espressobin: nonsensical mdio/hwmon temperature values #1
Comments
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below patch update the 88e6390 temperature sensor reading function, it causes the hwmon get incorrect value. the workaround, you maybe can call m88e1510_hwmon_probe() on m88e6390_probe(). |
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@lunn: FYI |
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CC: @elkablo In #define MII_MARVELL_MISC_TEST_PAGE 0x06
#define MII_88E6390_TEMP_SENSOR 0x1c
#define MII_88E6390_TEMP_SENSOR_MASK 0xff
...
phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
}
sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
*temp = (sum - 75) * 1000;But this is incorrect for Topaz 88E6341 switch which is on Espressobin. Temperature sensor is in register 27 (0x1b) at page 6, not in register 0x1c. Temperature in this register is stored in low 8 bits (so mask 0xff is correct), but offset is 25 °C, not 75. Temperature 100 °C is stored as value 0b01111101. Register 28 (0x1c) at page 6 seems to be unused, so its value is probably zero. Therefore current code |
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@sarnold: Can you provide output of following command from kernel 4.14.x? |
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Note that on Espressobin with mainline 4.19 kernel Topaz switch in dmesg is detected as: |
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I tried using the kernel doc (with the big fat warning) to sort that out but I suspect it's not so correct. Anyway, from 4.14.224 I get this: |
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On Fri, Apr 02, 2021 at 04:17:57PM -0700, pali wrote:
CC: @elkablo
In m88e6390_get_temp function is:
#define MII_MARVELL_MISC_TEST_PAGE 0x06
#define MII_88E6390_TEMP_SENSOR 0x1c
#define MII_88E6390_TEMP_SENSOR_MASK 0xff
...
phy_select_page(phydev, MII_MARVELL_MISC_TEST_PAGE);
for (i = 0; i < MII_88E6390_TEMP_SENSOR_SAMPLES; i++) {
ret = __phy_read(phydev, MII_88E6390_TEMP_SENSOR);
sum += ret & MII_88E6390_TEMP_SENSOR_MASK;
}
sum /= MII_88E6390_TEMP_SENSOR_SAMPLES;
*temp = (sum - 75) * 1000;
But this is incorrect for Topaz 88E6341 switch which is on Espressobin.
Temperature sensor is in register 27 (0x1b) at page 6, not in register 0x1c.
Temperature in this register is stored in low 8 bits (so mask 0xff is correct),
but offset is 25 °C, not 75. Temperature 100 °C is stored as value 0b01111101.
That means it is compatible with m88e1510_get_temp().
I assume the 88E6341 suffers from the same problem as the 6390. The
PHY ID values in reg 2 and 3 contain the Marvell OUI, but no device
ID. So mv88e6xxx_mdio_read() looks for this, and inserts the 6390 ID.
So what you need to do is rather insert the family ID. The 88E6341 PHY
would then have a different ID to the 6390 PHY, and you can add a new
PHY to marvell.c for this new PHY ID using the correct temperature
routine.
Andrew
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On Fri, Apr 02, 2021 at 05:03:20PM -0700, pali wrote:
@sarnold:
/sys/class/hwmon/hwmon0/temp1_crit:100000
/sys/class/hwmon/hwmon0/temp1_input:36000
36.000 °C is better than -75.000 °C and looks plausible.
@lunn: Why is mv88e6085 printing into dmesg that switch 0x3410 detected:
Marvell 88E6341 but then choose driver [Marvell 88E6390]?
I just explained that. Or is github not doing anything with my emails.
Andrew
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Sorry, my fault, I received it. And now I see it, there is missing mapping between |
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Quick & dirty patch/hack. Tested on Turris Mox with 88E6141 (not with 88E6341; but both are from FAMILY_6341): diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 903d619e08ed..8eb283ede294 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3026,6 +3026,20 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
return err;
}
+static const enum mv88e6xxx_model family_model_table[] = {
+ [MV88E6XXX_FAMILY_6095] = MV88E6095,
+ [MV88E6XXX_FAMILY_6097] = MV88E6097,
+ [MV88E6XXX_FAMILY_6185] = MV88E6185,
+ [MV88E6XXX_FAMILY_6250] = MV88E6250,
+ [MV88E6XXX_FAMILY_6320] = MV88E6320,
+ [MV88E6XXX_FAMILY_6341] = MV88E6341,
+ [MV88E6XXX_FAMILY_6351] = MV88E6351,
+ [MV88E6XXX_FAMILY_6352] = MV88E6352,
+ [MV88E6XXX_FAMILY_6390] = MV88E6390,
+};
+
+static const struct mv88e6xxx_info mv88e6xxx_table[];
+
static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
{
struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
@@ -3050,13 +3064,9 @@ static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
* number. But they are not PHYs, so we don't
* want to give them something a PHY driver
* will recognise.
- *
- * Use the mv88e6390 family model number
- * instead, for anything which really could be
- * a PHY,
*/
if (!(val & 0x3f0))
- val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4;
+ val |= mv88e6xxx_table[family_model_table[chip->info->family]].prod_num >> 4;
}
return err ? err : val;
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index e26a5d663f8a..97c010797d53 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -3020,6 +3020,31 @@ static struct phy_driver marvell_drivers[] = {
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
+ {
+ .phy_id = MARVELL_PHY_ID_88E6341,
+ .phy_id_mask = MARVELL_PHY_ID_MASK,
+ .name = "Marvell 88E6341",
+ /* PHY_GBIT_FEATURES */
+ .flags = PHY_POLL_CABLE_TEST,
+ .probe = m88e1510_probe,
+ .config_init = marvell_config_init,
+ .config_aneg = m88e6390_config_aneg,
+ .read_status = marvell_read_status,
+ .config_intr = marvell_config_intr,
+ .handle_interrupt = marvell_handle_interrupt,
+ .resume = genphy_resume,
+ .suspend = genphy_suspend,
+ .read_page = marvell_read_page,
+ .write_page = marvell_write_page,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
+ .get_tunable = m88e1540_get_tunable,
+ .set_tunable = m88e1540_set_tunable,
+ .cable_test_start = marvell_vct7_cable_test_start,
+ .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
+ .cable_test_get_status = marvell_vct7_cable_test_get_status,
+ },
{
.phy_id = MARVELL_PHY_ID_88E6390,
.phy_id_mask = MARVELL_PHY_ID_MASK,
@@ -3107,6 +3132,7 @@ static struct mdio_device_id __maybe_unused marvell_tbl[] = {
{ MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
+ { MARVELL_PHY_ID_88E6341, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E6390, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1340S, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1548P, MARVELL_PHY_ID_MASK },
diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h
index 52b1610eae68..75baacdbc652 100644
--- a/include/linux/marvell_phy.h
+++ b/include/linux/marvell_phy.h
@@ -33,6 +33,7 @@
* register and returns the switch family ID
*/
#define MARVELL_PHY_ID_88E6390 0x01410f90
+#define MARVELL_PHY_ID_88E6341 0x01410f41
#define MARVELL_PHY_FAMILY_ID(id) ((id) >> 4)
|
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On Fri, Apr 02, 2021 at 05:58:15PM -0700, pali wrote:
Quick & dirty patch/hack. Tested on Turris Mox with 88E6141 (not with 88E6341;
but both are from FAMILY_6341):
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 903d619e08ed..8eb283ede294 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3026,6 +3026,20 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
return err;
}
+static const enum mv88e6xxx_model family_model_table[] = {
+ [MV88E6XXX_FAMILY_6095] = MV88E6095,
+ [MV88E6XXX_FAMILY_6097] = MV88E6097,
+ [MV88E6XXX_FAMILY_6185] = MV88E6185,
+ [MV88E6XXX_FAMILY_6250] = MV88E6250,
+ [MV88E6XXX_FAMILY_6320] = MV88E6320,
+ [MV88E6XXX_FAMILY_6341] = MV88E6341,
+ [MV88E6XXX_FAMILY_6351] = MV88E6351,
+ [MV88E6XXX_FAMILY_6352] = MV88E6352,
+ [MV88E6XXX_FAMILY_6390] = MV88E6390,
You are missing 6393. This can easily happen, so place add an extra
entry to enum mv88e6xxx_family MV88E6XXX_FAMILY_LAST, and a
BUILD_BUG(ARRAY_SIZE(family_model_table) != MV88E6XXX_FAMILY_LAST).
That should prevent new families being added without this array being
updated, and also means we don't need out of bounds check at runtime.
+};
+
+static const struct mv88e6xxx_info mv88e6xxx_table[];
Forward declarations are not like. Please move the code around to
avoid it.
+
static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
{
struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;
@@ -3050,13 +3064,9 @@ static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg)
* number. But they are not PHYs, so we don't
* want to give them something a PHY driver
* will recognise.
- *
- * Use the mv88e6390 family model number
- * instead, for anything which really could be
- * a PHY,
*/
Please update the comment, rather than remove it.
if (!(val & 0x3f0))
- val |= MV88E6XXX_PORT_SWITCH_ID_PROD_6390 >> 4;
+ val |= mv88e6xxx_table[family_model_table[chip->info->family]].prod_num >> 4;
}
return err ? err : val;
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index e26a5d663f8a..97c010797d53 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -3020,6 +3020,31 @@ static struct phy_driver marvell_drivers[] = {
.get_strings = marvell_get_strings,
.get_stats = marvell_get_stats,
},
+ {
+ .phy_id = MARVELL_PHY_ID_88E6341,
+ .phy_id_mask = MARVELL_PHY_ID_MASK,
+ .name = "Marvell 88E6341",
+ /* PHY_GBIT_FEATURES */
+ .flags = PHY_POLL_CABLE_TEST,
+ .probe = m88e1510_probe,
+ .config_init = marvell_config_init,
+ .config_aneg = m88e6390_config_aneg,
+ .read_status = marvell_read_status,
+ .config_intr = marvell_config_intr,
+ .handle_interrupt = marvell_handle_interrupt,
+ .resume = genphy_resume,
+ .suspend = genphy_suspend,
+ .read_page = marvell_read_page,
+ .write_page = marvell_write_page,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
+ .get_tunable = m88e1540_get_tunable,
+ .set_tunable = m88e1540_set_tunable,
+ .cable_test_start = marvell_vct7_cable_test_start,
+ .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
+ .cable_test_get_status = marvell_vct7_cable_test_get_status,
+ },
{
.phy_id = MARVELL_PHY_ID_88E6390,
.phy_id_mask = MARVELL_PHY_ID_MASK,
@@ -3107,6 +3132,7 @@ static struct mdio_device_id __maybe_unused marvell_tbl[] = {
{ MARVELL_PHY_ID_88E1540, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1545, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
+ { MARVELL_PHY_ID_88E6341, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E6390, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1340S, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1548P, MARVELL_PHY_ID_MASK },
diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h
index 52b1610eae68..75baacdbc652 100644
--- a/include/linux/marvell_phy.h
+++ b/include/linux/marvell_phy.h
@@ -33,6 +33,7 @@
* register and returns the switch family ID
*/
#define MARVELL_PHY_ID_88E6390 0x01410f90
+#define MARVELL_PHY_ID_88E6341 0x01410f41
Please keep these in order.
Otherwise, the code looks O.K. Please submit it to netdev.
Andrew
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It was just quick & dirty hack, I did not thought that is could be O.K :D But fine, I will cleanup it and send to netdev! |
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[ Upstream commit 4add4d9 ] If a reset is performed, but even the reset fails for some reasons (e.g., on Surface devices, the fw reset requires another quirks), cancel_work_sync() hangs in mwifiex_cleanup_pcie(). # firmware went into a bad state [...] [ 1608.281690] mwifiex_pcie 0000:03:00.0: info: shutdown mwifiex... [ 1608.282724] mwifiex_pcie 0000:03:00.0: rx_pending=0, tx_pending=1, cmd_pending=0 [ 1608.292400] mwifiex_pcie 0000:03:00.0: PREP_CMD: card is removed [ 1608.292405] mwifiex_pcie 0000:03:00.0: PREP_CMD: card is removed # reset performed after firmware went into a bad state [ 1609.394320] mwifiex_pcie 0000:03:00.0: WLAN FW already running! Skip FW dnld [ 1609.394335] mwifiex_pcie 0000:03:00.0: WLAN FW is active # but even the reset failed [ 1619.499049] mwifiex_pcie 0000:03:00.0: mwifiex_cmd_timeout_func: Timeout cmd id = 0xfa, act = 0xe000 [ 1619.499094] mwifiex_pcie 0000:03:00.0: num_data_h2c_failure = 0 [ 1619.499103] mwifiex_pcie 0000:03:00.0: num_cmd_h2c_failure = 0 [ 1619.499110] mwifiex_pcie 0000:03:00.0: is_cmd_timedout = 1 [ 1619.499117] mwifiex_pcie 0000:03:00.0: num_tx_timeout = 0 [ 1619.499124] mwifiex_pcie 0000:03:00.0: last_cmd_index = 0 [ 1619.499133] mwifiex_pcie 0000:03:00.0: last_cmd_id: fa 00 07 01 07 01 07 01 07 01 [ 1619.499140] mwifiex_pcie 0000:03:00.0: last_cmd_act: 00 e0 00 00 00 00 00 00 00 00 [ 1619.499147] mwifiex_pcie 0000:03:00.0: last_cmd_resp_index = 3 [ 1619.499155] mwifiex_pcie 0000:03:00.0: last_cmd_resp_id: 07 81 07 81 07 81 07 81 07 81 [ 1619.499162] mwifiex_pcie 0000:03:00.0: last_event_index = 2 [ 1619.499169] mwifiex_pcie 0000:03:00.0: last_event: 58 00 58 00 58 00 58 00 58 00 [ 1619.499177] mwifiex_pcie 0000:03:00.0: data_sent=0 cmd_sent=1 [ 1619.499185] mwifiex_pcie 0000:03:00.0: ps_mode=0 ps_state=0 [ 1619.499215] mwifiex_pcie 0000:03:00.0: info: _mwifiex_fw_dpc: unregister device # mwifiex_pcie_work hang happening [ 1823.233923] INFO: task kworker/3:1:44 blocked for more than 122 seconds. [ 1823.233932] Tainted: G WC OE 5.10.0-rc1-1-mainline #1 [ 1823.233935] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1823.233940] task:kworker/3:1 state:D stack: 0 pid: 44 ppid: 2 flags:0x00004000 [ 1823.233960] Workqueue: events mwifiex_pcie_work [mwifiex_pcie] [ 1823.233965] Call Trace: [ 1823.233981] __schedule+0x292/0x820 [ 1823.233990] schedule+0x45/0xe0 [ 1823.233995] schedule_timeout+0x11c/0x160 [ 1823.234003] wait_for_completion+0x9e/0x100 [ 1823.234012] __flush_work.isra.0+0x156/0x210 [ 1823.234018] ? flush_workqueue_prep_pwqs+0x130/0x130 [ 1823.234026] __cancel_work_timer+0x11e/0x1a0 [ 1823.234035] mwifiex_cleanup_pcie+0x28/0xd0 [mwifiex_pcie] [ 1823.234049] mwifiex_free_adapter+0x24/0xe0 [mwifiex] [ 1823.234060] _mwifiex_fw_dpc+0x294/0x560 [mwifiex] [ 1823.234074] mwifiex_reinit_sw+0x15d/0x300 [mwifiex] [ 1823.234080] mwifiex_pcie_reset_done+0x50/0x80 [mwifiex_pcie] [ 1823.234087] pci_try_reset_function+0x5c/0x90 [ 1823.234094] process_one_work+0x1d6/0x3a0 [ 1823.234100] worker_thread+0x4d/0x3d0 [ 1823.234107] ? rescuer_thread+0x410/0x410 [ 1823.234112] kthread+0x142/0x160 [ 1823.234117] ? __kthread_bind_mask+0x60/0x60 [ 1823.234124] ret_from_fork+0x22/0x30 [...] This is a deadlock caused by calling cancel_work_sync() in mwifiex_cleanup_pcie(): - Device resets are done via mwifiex_pcie_card_reset() - which schedules card->work to call mwifiex_pcie_card_reset_work() - which calls pci_try_reset_function(). - This leads to mwifiex_pcie_reset_done() be called on the same workqueue, which in turn calls - mwifiex_reinit_sw() and that calls - _mwifiex_fw_dpc(). The problem is now that _mwifiex_fw_dpc() calls mwifiex_free_adapter() in case firmware initialization fails. That ends up calling mwifiex_cleanup_pcie(). Note that all those calls are still running on the workqueue. So when mwifiex_cleanup_pcie() now calls cancel_work_sync(), it's really waiting on itself to complete, causing a deadlock. This commit fixes the deadlock by skipping cancel_work_sync() on a reset failure path. After this commit, when reset fails, the following output is expected to be shown: kernel: mwifiex_pcie 0000:03:00.0: info: _mwifiex_fw_dpc: unregister device kernel: mwifiex: Failed to bring up adapter: -5 kernel: mwifiex_pcie 0000:03:00.0: reinit failed: -5 To reproduce this issue, for example, try putting the root port of wifi into D3 (replace "00:1d.3" with your setup). # put into D3 (root port) sudo setpci -v -s 00:1d.3 CAP_PM+4.b=0b Cc: Maximilian Luz <luzmaximilian@gmail.com> Signed-off-by: Tsuchiya Yuto <kitakar@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20201028142346.18355-1-kitakar@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit a4dcfbc upstream. netif_device_attach() will unpause the queues so we can't call it before __alx_open(). This went undetected until commit b099922 ("alx: add ability to allocate and free alx_napi structures") but now if stack tries to xmit immediately on resume before __alx_open() we'll crash on the NAPI being null: BUG: kernel NULL pointer dereference, address: 0000000000000198 CPU: 0 PID: 12 Comm: ksoftirqd/0 Tainted: G OE 5.10.0-3-amd64 #1 Debian 5.10.13-1 Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./H77-D3H, BIOS F15 11/14/2013 RIP: 0010:alx_start_xmit+0x34/0x650 [alx] Code: 41 56 41 55 41 54 55 53 48 83 ec 20 0f b7 57 7c 8b 8e b0 0b 00 00 39 ca 72 06 89 d0 31 d2 f7 f1 89 d2 48 8b 84 df RSP: 0018:ffffb09240083d28 EFLAGS: 00010297 RAX: 0000000000000000 RBX: ffffa04d80ae7800 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffffa04d80afa000 RDI: ffffa04e92e92a00 RBP: 0000000000000042 R08: 0000000000000100 R09: ffffa04ea3146700 R10: 0000000000000014 R11: 0000000000000000 R12: ffffa04e92e92100 R13: 0000000000000001 R14: ffffa04e92e92a00 R15: ffffa04e92e92a00 FS: 0000000000000000(0000) GS:ffffa0508f600000(0000) knlGS:0000000000000000 i915 0000:00:02.0: vblank wait timed out on crtc 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000198 CR3: 000000004460a001 CR4: 00000000001706f0 Call Trace: dev_hard_start_xmit+0xc7/0x1e0 sch_direct_xmit+0x10f/0x310 Cc: <stable@vger.kernel.org> # 4.9+ Fixes: bc2bebe ("alx: remove WoL support") Reported-by: Zbynek Michl <zbynek.michl@gmail.com> Link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=983595 Signed-off-by: Jakub Kicinski <kuba@kernel.org> Tested-by: Zbynek Michl <zbynek.michl@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8e24edd upstream. nested target/match_revfn() calls work with xt[NFPROTO_UNSPEC] lists without taking xt[NFPROTO_UNSPEC].mutex. This can race with module unload and cause host to crash: general protection fault: 0000 [#1] Modules linked in: ... [last unloaded: xt_cluster] CPU: 0 PID: 542455 Comm: iptables RIP: 0010:[<ffffffff8ffbd518>] [<ffffffff8ffbd518>] strcmp+0x18/0x40 RDX: 0000000000000003 RSI: ffff9a5a5d9abe10 RDI: dead000000000111 R13: ffff9a5a5d9abe10 R14: ffff9a5a5d9abd8c R15: dead000000000100 (VvS: %R15 -- &xt_match, %RDI -- &xt_match.name, xt_cluster unregister match in xt[NFPROTO_UNSPEC].match list) Call Trace: [<ffffffff902ccf44>] match_revfn+0x54/0xc0 [<ffffffff902ccf9f>] match_revfn+0xaf/0xc0 [<ffffffff902cd01e>] xt_find_revision+0x6e/0xf0 [<ffffffffc05a5be0>] do_ipt_get_ctl+0x100/0x420 [ip_tables] [<ffffffff902cc6bf>] nf_getsockopt+0x4f/0x70 [<ffffffff902dd99e>] ip_getsockopt+0xde/0x100 [<ffffffff903039b5>] raw_getsockopt+0x25/0x50 [<ffffffff9026c5da>] sock_common_getsockopt+0x1a/0x20 [<ffffffff9026b89d>] SyS_getsockopt+0x7d/0xf0 [<ffffffff903cbf92>] system_call_fastpath+0x25/0x2a Fixes: 656caff ("netfilter 04/09: x_tables: fix match/target revision lookup") Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Reviewed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f06391c upstream. [ 6684.493350] Unable to handle kernel paging request at virtual address ffff800011c5b0f0 [ 6684.498531] mmc0: card 0001 removed [ 6684.501556] Mem abort info: [ 6684.509681] ESR = 0x96000047 [ 6684.512786] EC = 0x25: DABT (current EL), IL = 32 bits [ 6684.518394] SET = 0, FnV = 0 [ 6684.521707] EA = 0, S1PTW = 0 [ 6684.524998] Data abort info: [ 6684.528236] ISV = 0, ISS = 0x00000047 [ 6684.532986] CM = 0, WnR = 1 [ 6684.536129] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081b22000 [ 6684.543923] [ffff800011c5b0f0] pgd=00000000bffff003, p4d=00000000bffff003, pud=00000000bfffe003, pmd=00000000900e1003, pte=0000000000000000 [ 6684.557915] Internal error: Oops: 96000047 [#1] PREEMPT SMP [ 6684.564240] Modules linked in: sdhci_esdhc_imx(-) sdhci_pltfm sdhci cqhci mmc_block mmc_core fsl_jr_uio caam_jr caamkeyblob_desc caamhash_desc caamalg_desc crypto_engine rng_core authenc libdes crct10dif_ce flexcan can_dev caam error [last unloaded: mmc_core] [ 6684.587281] CPU: 0 PID: 79138 Comm: kworker/0:3H Not tainted 5.10.9-01410-g3ba33182767b-dirty #10 [ 6684.596160] Hardware name: Freescale i.MX8DXL EVK (DT) [ 6684.601320] Workqueue: kblockd blk_mq_run_work_fn [ 6684.606094] pstate: 40000005 (nZcv daif -PAN -UAO -TCO BTYPE=--) [ 6684.612286] pc : cqhci_request+0x148/0x4e8 [cqhci] ^GMessage from syslogd@ at Thu Jan 1 01:51:24 1970 ...[ 6684.617085] lr : cqhci_request+0x314/0x4e8 [cqhci] [ 6684.626734] sp : ffff80001243b9f0 [ 6684.630049] x29: ffff80001243b9f0 x28: ffff00002c3dd000 [ 6684.635367] x27: 0000000000000001 x26: 0000000000000001 [ 6684.640690] x25: ffff00002c451000 x24: 000000000000000f [ 6684.646007] x23: ffff000017e71c80 x22: ffff00002c451000 [ 6684.651326] x21: ffff00002c0f3550 x20: ffff00002c0f3550 [ 6684.656651] x19: ffff000017d46880 x18: ffff00002cea1500 [ 6684.661977] x17: 0000000000000000 x16: 0000000000000000 [ 6684.667294] x15: 000001ee628e3ed1 x14: 0000000000000278 [ 6684.672610] x13: 0000000000000001 x12: 0000000000000001 [ 6684.677927] x11: 0000000000000000 x10: 0000000000000000 [ 6684.683243] x9 : 000000000000002b x8 : 0000000000001000 [ 6684.688560] x7 : 0000000000000010 x6 : ffff00002c0f3678 [ 6684.693886] x5 : 000000000000000f x4 : ffff800011c5b000 [ 6684.699211] x3 : 000000000002d988 x2 : 0000000000000008 [ 6684.704537] x1 : 00000000000000f0 x0 : 0002d9880008102f [ 6684.709854] Call trace: [ 6684.712313] cqhci_request+0x148/0x4e8 [cqhci] [ 6684.716803] mmc_cqe_start_req+0x58/0x68 [mmc_core] [ 6684.721698] mmc_blk_mq_issue_rq+0x460/0x810 [mmc_block] [ 6684.727018] mmc_mq_queue_rq+0x118/0x2b0 [mmc_block] The problem occurs when cqhci_request() get called after cqhci_disable() as it leads to access of allocated memory that has already been freed. Let's fix the problem by calling cqhci_disable() a bit later in the remove path. Signed-off-by: Frank Li <Frank.Li@nxp.com> Diagnosed-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20210303174248.542175-1-Frank.Li@nxp.com Fixes: f690f44 ("mmc: mmc: Enable CQE's") Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 14fbbc8 ] Commit b0841ee ("configfs: provide exclusion between IO and removals") uses ->frag_dead to mark the fragment state, thus no bothering with extra refcount on config_item when opening a file. The configfs_get_config_item was removed in __configfs_open_file, but not with config_item_put. So the refcount on config_item will lost its balance, causing use-after-free issues in some occasions like this: Test: 1. Mount configfs on /config with read-only items: drwxrwx--- 289 root root 0 2021-04-01 11:55 /config drwxr-xr-x 2 root root 0 2021-04-01 11:54 /config/a --w--w--w- 1 root root 4096 2021-04-01 11:53 /config/a/1.txt ...... 2. Then run: for file in /config do echo $file grep -R 'key' $file done 3. __configfs_open_file will be called in parallel, the first one got called will do: if (file->f_mode & FMODE_READ) { if (!(inode->i_mode & S_IRUGO)) goto out_put_module; config_item_put(buffer->item); kref_put() package_details_release() kfree() the other one will run into use-after-free issues like this: BUG: KASAN: use-after-free in __configfs_open_file+0x1bc/0x3b0 Read of size 8 at addr fffffff155f02480 by task grep/13096 CPU: 0 PID: 13096 Comm: grep VIP: 00 Tainted: G W 4.14.116-kasan #1 TGID: 13096 Comm: grep Call trace: dump_stack+0x118/0x160 kasan_report+0x22c/0x294 __asan_load8+0x80/0x88 __configfs_open_file+0x1bc/0x3b0 configfs_open_file+0x28/0x34 do_dentry_open+0x2cc/0x5c0 vfs_open+0x80/0xe0 path_openat+0xd8c/0x2988 do_filp_open+0x1c4/0x2fc do_sys_open+0x23c/0x404 SyS_openat+0x38/0x48 Allocated by task 2138: kasan_kmalloc+0xe0/0x1ac kmem_cache_alloc_trace+0x334/0x394 packages_make_item+0x4c/0x180 configfs_mkdir+0x358/0x740 vfs_mkdir2+0x1bc/0x2e8 SyS_mkdirat+0x154/0x23c el0_svc_naked+0x34/0x38 Freed by task 13096: kasan_slab_free+0xb8/0x194 kfree+0x13c/0x910 package_details_release+0x524/0x56c kref_put+0xc4/0x104 config_item_put+0x24/0x34 __configfs_open_file+0x35c/0x3b0 configfs_open_file+0x28/0x34 do_dentry_open+0x2cc/0x5c0 vfs_open+0x80/0xe0 path_openat+0xd8c/0x2988 do_filp_open+0x1c4/0x2fc do_sys_open+0x23c/0x404 SyS_openat+0x38/0x48 el0_svc_naked+0x34/0x38 To fix this issue, remove the config_item_put in __configfs_open_file to balance the refcount of config_item. Fixes: b0841ee ("configfs: provide exclusion between IO and removals") Signed-off-by: Daiyue Zhang <zhangdaiyue1@huawei.com> Signed-off-by: Yi Chen <chenyi77@huawei.com> Signed-off-by: Ge Qiu <qiuge@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit dbcc7d5 upstream. While resolving backreferences, as part of a logical ino ioctl call or fiemap, we can end up hitting a BUG_ON() when replaying tree mod log operations of a root, triggering a stack trace like the following: ------------[ cut here ]------------ kernel BUG at fs/btrfs/ctree.c:1210! invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 PID: 19054 Comm: crawl_335 Tainted: G W 5.11.0-2d11c0084b02-misc-next+ #89 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__tree_mod_log_rewind+0x3b1/0x3c0 Code: 05 48 8d 74 10 (...) RSP: 0018:ffffc90001eb70b8 EFLAGS: 00010297 RAX: 0000000000000000 RBX: ffff88812344e400 RCX: ffffffffb28933b6 RDX: 0000000000000007 RSI: dffffc0000000000 RDI: ffff88812344e42c RBP: ffffc90001eb7108 R08: 1ffff11020b60a20 R09: ffffed1020b60a20 R10: ffff888105b050f9 R11: ffffed1020b60a1f R12: 00000000000000ee R13: ffff8880195520c0 R14: ffff8881bc958500 R15: ffff88812344e42c FS: 00007fd1955e8700(0000) GS:ffff8881f5600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efdb7928718 CR3: 000000010103a006 CR4: 0000000000170ee0 Call Trace: btrfs_search_old_slot+0x265/0x10d0 ? lock_acquired+0xbb/0x600 ? btrfs_search_slot+0x1090/0x1090 ? free_extent_buffer.part.61+0xd7/0x140 ? free_extent_buffer+0x13/0x20 resolve_indirect_refs+0x3e9/0xfc0 ? lock_downgrade+0x3d0/0x3d0 ? __kasan_check_read+0x11/0x20 ? add_prelim_ref.part.11+0x150/0x150 ? lock_downgrade+0x3d0/0x3d0 ? __kasan_check_read+0x11/0x20 ? lock_acquired+0xbb/0x600 ? __kasan_check_write+0x14/0x20 ? do_raw_spin_unlock+0xa8/0x140 ? rb_insert_color+0x30/0x360 ? prelim_ref_insert+0x12d/0x430 find_parent_nodes+0x5c3/0x1830 ? resolve_indirect_refs+0xfc0/0xfc0 ? lock_release+0xc8/0x620 ? fs_reclaim_acquire+0x67/0xf0 ? lock_acquire+0xc7/0x510 ? lock_downgrade+0x3d0/0x3d0 ? lockdep_hardirqs_on_prepare+0x160/0x210 ? lock_release+0xc8/0x620 ? fs_reclaim_acquire+0x67/0xf0 ? lock_acquire+0xc7/0x510 ? poison_range+0x38/0x40 ? unpoison_range+0x14/0x40 ? trace_hardirqs_on+0x55/0x120 btrfs_find_all_roots_safe+0x142/0x1e0 ? find_parent_nodes+0x1830/0x1830 ? btrfs_inode_flags_to_xflags+0x50/0x50 iterate_extent_inodes+0x20e/0x580 ? tree_backref_for_extent+0x230/0x230 ? lock_downgrade+0x3d0/0x3d0 ? read_extent_buffer+0xdd/0x110 ? lock_downgrade+0x3d0/0x3d0 ? __kasan_check_read+0x11/0x20 ? lock_acquired+0xbb/0x600 ? __kasan_check_write+0x14/0x20 ? _raw_spin_unlock+0x22/0x30 ? __kasan_check_write+0x14/0x20 iterate_inodes_from_logical+0x129/0x170 ? iterate_inodes_from_logical+0x129/0x170 ? btrfs_inode_flags_to_xflags+0x50/0x50 ? iterate_extent_inodes+0x580/0x580 ? __vmalloc_node+0x92/0xb0 ? init_data_container+0x34/0xb0 ? init_data_container+0x34/0xb0 ? kvmalloc_node+0x60/0x80 btrfs_ioctl_logical_to_ino+0x158/0x230 btrfs_ioctl+0x205e/0x4040 ? __might_sleep+0x71/0xe0 ? btrfs_ioctl_get_supported_features+0x30/0x30 ? getrusage+0x4b6/0x9c0 ? __kasan_check_read+0x11/0x20 ? lock_release+0xc8/0x620 ? __might_fault+0x64/0xd0 ? lock_acquire+0xc7/0x510 ? lock_downgrade+0x3d0/0x3d0 ? lockdep_hardirqs_on_prepare+0x210/0x210 ? lockdep_hardirqs_on_prepare+0x210/0x210 ? __kasan_check_read+0x11/0x20 ? do_vfs_ioctl+0xfc/0x9d0 ? ioctl_file_clone+0xe0/0xe0 ? lock_downgrade+0x3d0/0x3d0 ? lockdep_hardirqs_on_prepare+0x210/0x210 ? __kasan_check_read+0x11/0x20 ? lock_release+0xc8/0x620 ? __task_pid_nr_ns+0xd3/0x250 ? lock_acquire+0xc7/0x510 ? __fget_files+0x160/0x230 ? __fget_light+0xf2/0x110 __x64_sys_ioctl+0xc3/0x100 do_syscall_64+0x37/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fd1976e2427 Code: 00 00 90 48 8b 05 (...) RSP: 002b:00007fd1955e5cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd1955e5f40 RCX: 00007fd1976e2427 RDX: 00007fd1955e5f48 RSI: 00000000c038943b RDI: 0000000000000004 RBP: 0000000001000000 R08: 0000000000000000 R09: 00007fd1955e6120 R10: 0000557835366b00 R11: 0000000000000246 R12: 0000000000000004 R13: 00007fd1955e5f48 R14: 00007fd1955e5f40 R15: 00007fd1955e5ef8 Modules linked in: ---[ end trace ec8931a1c36e57be ]--- (gdb) l *(__tree_mod_log_rewind+0x3b1) 0xffffffff81893521 is in __tree_mod_log_rewind (fs/btrfs/ctree.c:1210). 1205 * the modification. as we're going backwards, we do the 1206 * opposite of each operation here. 1207 */ 1208 switch (tm->op) { 1209 case MOD_LOG_KEY_REMOVE_WHILE_FREEING: 1210 BUG_ON(tm->slot < n); 1211 fallthrough; 1212 case MOD_LOG_KEY_REMOVE_WHILE_MOVING: 1213 case MOD_LOG_KEY_REMOVE: 1214 btrfs_set_node_key(eb, &tm->key, tm->slot); Here's what happens to hit that BUG_ON(): 1) We have one tree mod log user (through fiemap or the logical ino ioctl), with a sequence number of 1, so we have fs_info->tree_mod_seq == 1; 2) Another task is at ctree.c:balance_level() and we have eb X currently as the root of the tree, and we promote its single child, eb Y, as the new root. Then, at ctree.c:balance_level(), we call: tree_mod_log_insert_root(eb X, eb Y, 1); 3) At tree_mod_log_insert_root() we create tree mod log elements for each slot of eb X, of operation type MOD_LOG_KEY_REMOVE_WHILE_FREEING each with a ->logical pointing to ebX->start. These are placed in an array named tm_list. Lets assume there are N elements (N pointers in eb X); 4) Then, still at tree_mod_log_insert_root(), we create a tree mod log element of operation type MOD_LOG_ROOT_REPLACE, ->logical set to ebY->start, ->old_root.logical set to ebX->start, ->old_root.level set to the level of eb X and ->generation set to the generation of eb X; 5) Then tree_mod_log_insert_root() calls tree_mod_log_free_eb() with tm_list as argument. After that, tree_mod_log_free_eb() calls __tree_mod_log_insert() for each member of tm_list in reverse order, from highest slot in eb X, slot N - 1, to slot 0 of eb X; 6) __tree_mod_log_insert() sets the sequence number of each given tree mod log operation - it increments fs_info->tree_mod_seq and sets fs_info->tree_mod_seq as the sequence number of the given tree mod log operation. This means that for the tm_list created at tree_mod_log_insert_root(), the element corresponding to slot 0 of eb X has the highest sequence number (1 + N), and the element corresponding to the last slot has the lowest sequence number (2); 7) Then, after inserting tm_list's elements into the tree mod log rbtree, the MOD_LOG_ROOT_REPLACE element is inserted, which gets the highest sequence number, which is N + 2; 8) Back to ctree.c:balance_level(), we free eb X by calling btrfs_free_tree_block() on it. Because eb X was created in the current transaction, has no other references and writeback did not happen for it, we add it back to the free space cache/tree; 9) Later some other task T allocates the metadata extent from eb X, since it is marked as free space in the space cache/tree, and uses it as a node for some other btree; 10) The tree mod log user task calls btrfs_search_old_slot(), which calls get_old_root(), and finally that calls __tree_mod_log_oldest_root() with time_seq == 1 and eb_root == eb Y; 11) First iteration of the while loop finds the tree mod log element with sequence number N + 2, for the logical address of eb Y and of type MOD_LOG_ROOT_REPLACE; 12) Because the operation type is MOD_LOG_ROOT_REPLACE, we don't break out of the loop, and set root_logical to point to tm->old_root.logical which corresponds to the logical address of eb X; 13) On the next iteration of the while loop, the call to tree_mod_log_search_oldest() returns the smallest tree mod log element for the logical address of eb X, which has a sequence number of 2, an operation type of MOD_LOG_KEY_REMOVE_WHILE_FREEING and corresponds to the old slot N - 1 of eb X (eb X had N items in it before being freed); 14) We then break out of the while loop and return the tree mod log operation of type MOD_LOG_ROOT_REPLACE (eb Y), and not the one for slot N - 1 of eb X, to get_old_root(); 15) At get_old_root(), we process the MOD_LOG_ROOT_REPLACE operation and set "logical" to the logical address of eb X, which was the old root. We then call tree_mod_log_search() passing it the logical address of eb X and time_seq == 1; 16) Then before calling tree_mod_log_search(), task T adds a key to eb X, which results in adding a tree mod log operation of type MOD_LOG_KEY_ADD to the tree mod log - this is done at ctree.c:insert_ptr() - but after adding the tree mod log operation and before updating the number of items in eb X from 0 to 1... 17) The task at get_old_root() calls tree_mod_log_search() and gets the tree mod log operation of type MOD_LOG_KEY_ADD just added by task T. Then it enters the following if branch: if (old_root && tm && tm->op != MOD_LOG_KEY_REMOVE_WHILE_FREEING) { (...) } (...) Calls read_tree_block() for eb X, which gets a reference on eb X but does not lock it - task T has it locked. Then it clones eb X while it has nritems set to 0 in its header, before task T sets nritems to 1 in eb X's header. From hereupon we use the clone of eb X which no other task has access to; 18) Then we call __tree_mod_log_rewind(), passing it the MOD_LOG_KEY_ADD mod log operation we just got from tree_mod_log_search() in the previous step and the cloned version of eb X; 19) At __tree_mod_log_rewind(), we set the local variable "n" to the number of items set in eb X's clone, which is 0. Then we enter the while loop, and in its first iteration we process the MOD_LOG_KEY_ADD operation, which just decrements "n" from 0 to (u32)-1, since "n" is declared with a type of u32. At the end of this iteration we call rb_next() to find the next tree mod log operation for eb X, that gives us the mod log operation of type MOD_LOG_KEY_REMOVE_WHILE_FREEING, for slot 0, with a sequence number of N + 1 (steps 3 to 6); 20) Then we go back to the top of the while loop and trigger the following BUG_ON(): (...) switch (tm->op) { case MOD_LOG_KEY_REMOVE_WHILE_FREEING: BUG_ON(tm->slot < n); fallthrough; (...) Because "n" has a value of (u32)-1 (4294967295) and tm->slot is 0. Fix this by taking a read lock on the extent buffer before cloning it at ctree.c:get_old_root(). This should be done regardless of the extent buffer having been freed and reused, as a concurrent task might be modifying it (while holding a write lock on it). Reported-by: Zygo Blaxell <ce3g8jdj@umail.furryterror.org> Link: https://lore.kernel.org/linux-btrfs/20210227155037.GN28049@hungrycats.org/ Fixes: 834328a ("Btrfs: tree mod log's old roots could still be part of the tree") CC: stable@vger.kernel.org # 4.4+ Signed-off-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Apr 8, 2021
commit c7de87f upstream. [ This problem is in mainline, but only rt has the chops to be able to detect it. ] Lockdep reports a circular lock dependency between serv->sv_lock and softirq_ctl.lock on system shutdown, when using a kernel built with CONFIG_PREEMPT_RT=y, and a nfs mount exists. This is due to the definition of spin_lock_bh on rt: local_bh_disable(); rt_spin_lock(lock); which forces a softirq_ctl.lock -> serv->sv_lock dependency. This is not a problem as long as _every_ lock of serv->sv_lock is a: spin_lock_bh(&serv->sv_lock); but there is one of the form: spin_lock(&serv->sv_lock); This is what is causing the circular dependency splat. The spin_lock() grabs the lock without first grabbing softirq_ctl.lock via local_bh_disable. If later on in the critical region, someone does a local_bh_disable, we get a serv->sv_lock -> softirq_ctrl.lock dependency established. Deadlock. Fix is to make serv->sv_lock be locked with spin_lock_bh everywhere, no exceptions. [ OK ] Stopped target NFS client services. Stopping Logout off all iSCSI sessions on shutdown... Stopping NFS server and services... [ 109.442380] [ 109.442385] ====================================================== [ 109.442386] WARNING: possible circular locking dependency detected [ 109.442387] 5.10.16-rt30 #1 Not tainted [ 109.442389] ------------------------------------------------------ [ 109.442390] nfsd/1032 is trying to acquire lock: [ 109.442392] ffff994237617f60 ((softirq_ctrl.lock).lock){+.+.}-{2:2}, at: __local_bh_disable_ip+0xd9/0x270 [ 109.442405] [ 109.442405] but task is already holding lock: [ 109.442406] ffff994245cb00b0 (&serv->sv_lock){+.+.}-{0:0}, at: svc_close_list+0x1f/0x90 [ 109.442415] [ 109.442415] which lock already depends on the new lock. [ 109.442415] [ 109.442416] [ 109.442416] the existing dependency chain (in reverse order) is: [ 109.442417] [ 109.442417] -> #1 (&serv->sv_lock){+.+.}-{0:0}: [ 109.442421] rt_spin_lock+0x2b/0xc0 [ 109.442428] svc_add_new_perm_xprt+0x42/0xa0 [ 109.442430] svc_addsock+0x135/0x220 [ 109.442434] write_ports+0x4b3/0x620 [ 109.442438] nfsctl_transaction_write+0x45/0x80 [ 109.442440] vfs_write+0xff/0x420 [ 109.442444] ksys_write+0x4f/0xc0 [ 109.442446] do_syscall_64+0x33/0x40 [ 109.442450] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 109.442454] [ 109.442454] -> #0 ((softirq_ctrl.lock).lock){+.+.}-{2:2}: [ 109.442457] __lock_acquire+0x1264/0x20b0 [ 109.442463] lock_acquire+0xc2/0x400 [ 109.442466] rt_spin_lock+0x2b/0xc0 [ 109.442469] __local_bh_disable_ip+0xd9/0x270 [ 109.442471] svc_xprt_do_enqueue+0xc0/0x4d0 [ 109.442474] svc_close_list+0x60/0x90 [ 109.442476] svc_close_net+0x49/0x1a0 [ 109.442478] svc_shutdown_net+0x12/0x40 [ 109.442480] nfsd_destroy+0xc5/0x180 [ 109.442482] nfsd+0x1bc/0x270 [ 109.442483] kthread+0x194/0x1b0 [ 109.442487] ret_from_fork+0x22/0x30 [ 109.442492] [ 109.442492] other info that might help us debug this: [ 109.442492] [ 109.442493] Possible unsafe locking scenario: [ 109.442493] [ 109.442493] CPU0 CPU1 [ 109.442494] ---- ---- [ 109.442495] lock(&serv->sv_lock); [ 109.442496] lock((softirq_ctrl.lock).lock); [ 109.442498] lock(&serv->sv_lock); [ 109.442499] lock((softirq_ctrl.lock).lock); [ 109.442501] [ 109.442501] *** DEADLOCK *** [ 109.442501] [ 109.442501] 3 locks held by nfsd/1032: [ 109.442503] #0: ffffffff93b49258 (nfsd_mutex){+.+.}-{3:3}, at: nfsd+0x19a/0x270 [ 109.442508] #1: ffff994245cb00b0 (&serv->sv_lock){+.+.}-{0:0}, at: svc_close_list+0x1f/0x90 [ 109.442512] #2: ffffffff93a81b20 (rcu_read_lock){....}-{1:2}, at: rt_spin_lock+0x5/0xc0 [ 109.442518] [ 109.442518] stack backtrace: [ 109.442519] CPU: 0 PID: 1032 Comm: nfsd Not tainted 5.10.16-rt30 #1 [ 109.442522] Hardware name: Supermicro X9DRL-3F/iF/X9DRL-3F/iF, BIOS 3.2 09/22/2015 [ 109.442524] Call Trace: [ 109.442527] dump_stack+0x77/0x97 [ 109.442533] check_noncircular+0xdc/0xf0 [ 109.442546] __lock_acquire+0x1264/0x20b0 [ 109.442553] lock_acquire+0xc2/0x400 [ 109.442564] rt_spin_lock+0x2b/0xc0 [ 109.442570] __local_bh_disable_ip+0xd9/0x270 [ 109.442573] svc_xprt_do_enqueue+0xc0/0x4d0 [ 109.442577] svc_close_list+0x60/0x90 [ 109.442581] svc_close_net+0x49/0x1a0 [ 109.442585] svc_shutdown_net+0x12/0x40 [ 109.442588] nfsd_destroy+0xc5/0x180 [ 109.442590] nfsd+0x1bc/0x270 [ 109.442595] kthread+0x194/0x1b0 [ 109.442600] ret_from_fork+0x22/0x30 [ 109.518225] nfsd: last server has exited, flushing export cache [ OK ] Stopped NFSv4 ID-name mapping service. [ OK ] Stopped GSSAPI Proxy Daemon. [ OK ] Stopped NFS Mount Daemon. [ OK ] Stopped NFS status monitor for NFSv2/3 locking.. Fixes: 719f8bc ("svcrpc: fix xpt_list traversal locking on shutdown") Signed-off-by: Joe Korty <joe.korty@concurrent-rt.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fengguang
pushed a commit
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Apr 12, 2021
Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Define a representative model for each switch family and add a mapping table for constructing PHY IDs for the internal PHYs (since they don't have a model number). Create a new PHY ID and a new PHY driver for Topaz' internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org>
fengguang
pushed a commit
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that referenced
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Apr 13, 2021
Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
mrchapp
pushed a commit
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Apr 21, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
woodsts
pushed a commit
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that referenced
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Apr 21, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
woodsts
pushed a commit
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that referenced
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Apr 21, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
woodsts
pushed a commit
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that referenced
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Apr 21, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
it-is-a-robot
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Apr 27, 2021
stable inclusion from stable-5.10.32 commit 6ac98ee9cb7c62d2990e984b0df4d443a7769bc2 bugzilla: 51796 -------------------------------- commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Chen Jun <chenjun102@huawei.com> Acked-by: Weilong Chen <chenweilong@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
mrchapp
pushed a commit
to mrchapp/linux
that referenced
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Apr 27, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
woodsts
pushed a commit
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that referenced
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Apr 28, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
yogesh040898
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to yogesh040898/android_kernel_sdm660-4.19
that referenced
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Apr 28, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
freeza-inc
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Apr 28, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
sensor reading"), Linux reports the temperature of Topaz hwmon as
constant -75°C.
This is because switches from the Topaz family (88E6141 / 88E6341) have
the address of the temperature sensor register different from Peridot.
This address is instead compatible with 88E1510 PHYs, as was used for
Topaz before the above mentioned commit.
Create a new mapping table between switch family and PHY ID for families
which don't have a model number. And define PHY IDs for Topaz and Peridot
families.
Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
The only difference from Peridot's PHY driver is the HWMON probing
method.
Prior this change Topaz's internal PHY is detected by kernel as:
PHY [...] driver [Marvell 88E6390] (irq=63)
And afterwards as:
PHY [...] driver [Marvell 88E6341 Family] (irq=63)
Signed-off-by: Pali Rohár <pali@kernel.org>
BugLink: globalscaletechnologies/linux#1
Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
miraclestars
pushed a commit
to miraclestars/android_kernel_samsung_sm8250
that referenced
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Apr 29, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
sensor reading"), Linux reports the temperature of Topaz hwmon as
constant -75°C.
This is because switches from the Topaz family (88E6141 / 88E6341) have
the address of the temperature sensor register different from Peridot.
This address is instead compatible with 88E1510 PHYs, as was used for
Topaz before the above mentioned commit.
Create a new mapping table between switch family and PHY ID for families
which don't have a model number. And define PHY IDs for Topaz and Peridot
families.
Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
The only difference from Peridot's PHY driver is the HWMON probing
method.
Prior this change Topaz's internal PHY is detected by kernel as:
PHY [...] driver [Marvell 88E6390] (irq=63)
And afterwards as:
PHY [...] driver [Marvell 88E6341 Family] (irq=63)
Signed-off-by: Pali Rohár <pali@kernel.org>
BugLink: globalscaletechnologies/linux#1
Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
miraclestars
pushed a commit
to miraclestars/android_kernel_samsung_sm8250
that referenced
this issue
Apr 29, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
sensor reading"), Linux reports the temperature of Topaz hwmon as
constant -75°C.
This is because switches from the Topaz family (88E6141 / 88E6341) have
the address of the temperature sensor register different from Peridot.
This address is instead compatible with 88E1510 PHYs, as was used for
Topaz before the above mentioned commit.
Create a new mapping table between switch family and PHY ID for families
which don't have a model number. And define PHY IDs for Topaz and Peridot
families.
Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
The only difference from Peridot's PHY driver is the HWMON probing
method.
Prior this change Topaz's internal PHY is detected by kernel as:
PHY [...] driver [Marvell 88E6390] (irq=63)
And afterwards as:
PHY [...] driver [Marvell 88E6341 Family] (irq=63)
Signed-off-by: Pali Rohár <pali@kernel.org>
BugLink: globalscaletechnologies/linux#1
Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
@sarnold: Fix is included in 5.12 kernel and also already backported to stable kernel versions: 5.11.16, 5.10.32, 5.4.114, 4.19.189. |
aled99
pushed a commit
to aled99/apollo
that referenced
this issue
May 3, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
Awesome, and thanks! I got a bit side-tracked working on some new riscv hardware, but I shall update my espressobin kernels shortly. Congrats on getting your fix mainlined. |
it-is-a-robot
pushed a commit
to openeuler-mirror/kernel
that referenced
this issue
May 8, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
jpuhlman
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May 12, 2021
Source: Kernel.org MR: 110565 Type: Integration Disposition: Backport from git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable linux-5.4.y ChangeID: 3822683fd10108083de6af19c185d700109c3fbd Description: commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Armin Kuster <akuster@mvista.com>
kaixuxiakx
pushed a commit
to Tencent/TencentOS-kernel
that referenced
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May 17, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
sensor reading"), Linux reports the temperature of Topaz hwmon as
constant -75°C.
This is because switches from the Topaz family (88E6141 / 88E6341) have
the address of the temperature sensor register different from Peridot.
This address is instead compatible with 88E1510 PHYs, as was used for
Topaz before the above mentioned commit.
Create a new mapping table between switch family and PHY ID for families
which don't have a model number. And define PHY IDs for Topaz and Peridot
families.
Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
The only difference from Peridot's PHY driver is the HWMON probing
method.
Prior this change Topaz's internal PHY is detected by kernel as:
PHY [...] driver [Marvell 88E6390] (irq=63)
And afterwards as:
PHY [...] driver [Marvell 88E6341 Family] (irq=63)
Signed-off-by: Pali Rohár <pali@kernel.org>
BugLink: globalscaletechnologies/linux#1
Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kaixuxiakx
pushed a commit
to Tencent/TencentOS-kernel
that referenced
this issue
May 20, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
sensor reading"), Linux reports the temperature of Topaz hwmon as
constant -75°C.
This is because switches from the Topaz family (88E6141 / 88E6341) have
the address of the temperature sensor register different from Peridot.
This address is instead compatible with 88E1510 PHYs, as was used for
Topaz before the above mentioned commit.
Create a new mapping table between switch family and PHY ID for families
which don't have a model number. And define PHY IDs for Topaz and Peridot
families.
Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
The only difference from Peridot's PHY driver is the HWMON probing
method.
Prior this change Topaz's internal PHY is detected by kernel as:
PHY [...] driver [Marvell 88E6390] (irq=63)
And afterwards as:
PHY [...] driver [Marvell 88E6341 Family] (irq=63)
Signed-off-by: Pali Rohár <pali@kernel.org>
BugLink: globalscaletechnologies/linux#1
Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jimbo77
pushed a commit
to Jimbo77/Jimbok_common_sm8250-R
that referenced
this issue
May 22, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
jprvita
pushed a commit
to endlessm/linux
that referenced
this issue
May 24, 2021
BugLink: https://bugs.launchpad.net/bugs/1926999 commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kamal Mostafa <kamal@canonical.com> Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
miraclestars
pushed a commit
to miraclestars/android_kernel_samsung_sm8250
that referenced
this issue
May 28, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
sensor reading"), Linux reports the temperature of Topaz hwmon as
constant -75°C.
This is because switches from the Topaz family (88E6141 / 88E6341) have
the address of the temperature sensor register different from Peridot.
This address is instead compatible with 88E1510 PHYs, as was used for
Topaz before the above mentioned commit.
Create a new mapping table between switch family and PHY ID for families
which don't have a model number. And define PHY IDs for Topaz and Peridot
families.
Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
The only difference from Peridot's PHY driver is the HWMON probing
method.
Prior this change Topaz's internal PHY is detected by kernel as:
PHY [...] driver [Marvell 88E6390] (irq=63)
And afterwards as:
PHY [...] driver [Marvell 88E6341 Family] (irq=63)
Signed-off-by: Pali Rohár <pali@kernel.org>
BugLink: globalscaletechnologies/linux#1
Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
delphix-devops-bot
pushed a commit
to delphix/linux-kernel-gcp
that referenced
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Jun 6, 2021
BugLink: https://bugs.launchpad.net/bugs/1926493 commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kamal Mostafa <kamal@canonical.com> Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
miraclestars
pushed a commit
to miraclestars/android_kernel_samsung_sm8250
that referenced
this issue
Jun 13, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream.
Since commit fee2d546414d ("net: phy: marvell: mv88e6390 temperature
sensor reading"), Linux reports the temperature of Topaz hwmon as
constant -75°C.
This is because switches from the Topaz family (88E6141 / 88E6341) have
the address of the temperature sensor register different from Peridot.
This address is instead compatible with 88E1510 PHYs, as was used for
Topaz before the above mentioned commit.
Create a new mapping table between switch family and PHY ID for families
which don't have a model number. And define PHY IDs for Topaz and Peridot
families.
Create a new PHY ID and a new PHY driver for Topaz's internal PHY.
The only difference from Peridot's PHY driver is the HWMON probing
method.
Prior this change Topaz's internal PHY is detected by kernel as:
PHY [...] driver [Marvell 88E6390] (irq=63)
And afterwards as:
PHY [...] driver [Marvell 88E6341 Family] (irq=63)
Signed-off-by: Pali Rohár <pali@kernel.org>
BugLink: globalscaletechnologies/linux#1
Fixes: fee2d546414d ("net: phy: marvell: mv88e6390 temperature sensor reading")
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
gregmarsden
pushed a commit
to oracle/linux-uek
that referenced
this issue
Jun 18, 2021
commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit 3822683) Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
acoffeerunner
pushed a commit
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that referenced
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Jun 22, 2021
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vinzv
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Jul 2, 2021
BugLink: https://bugs.launchpad.net/bugs/1929132 commit 1fe976d upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kamal Mostafa <kamal@canonical.com> Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>
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@sarnold: After updating let me know if it is working fine. |
|
Yup, seems to work as expected (3 different v5 boards). Thanks! |
|
Perfect, so you can close this issue. |
chandu078
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Jan 5, 2022
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Blackmanx
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Dec 21, 2022
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
toraidl
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Mar 29, 2024
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
DaemonMCR
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Apr 7, 2024
commit 1fe976d308acb6374c899a4ee8025a0a016e453e upstream. Since commit fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading"), Linux reports the temperature of Topaz hwmon as constant -75°C. This is because switches from the Topaz family (88E6141 / 88E6341) have the address of the temperature sensor register different from Peridot. This address is instead compatible with 88E1510 PHYs, as was used for Topaz before the above mentioned commit. Create a new mapping table between switch family and PHY ID for families which don't have a model number. And define PHY IDs for Topaz and Peridot families. Create a new PHY ID and a new PHY driver for Topaz's internal PHY. The only difference from Peridot's PHY driver is the HWMON probing method. Prior this change Topaz's internal PHY is detected by kernel as: PHY [...] driver [Marvell 88E6390] (irq=63) And afterwards as: PHY [...] driver [Marvell 88E6341 Family] (irq=63) Signed-off-by: Pali Rohár <pali@kernel.org> BugLink: globalscaletechnologies/linux#1 Fixes: fee2d54 ("net: phy: marvell: mv88e6390 temperature sensor reading") Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I haven't figured out where yet (as in which commit) but this was working fine back in 4.14.x and got broken somewhere in the 5.x kernel series. The (non-working) values returned are always
-75 C.Working with the earlier 4.x mainline espressobin dts, up through the latest 4.14 tag:
Not working with the same (early) 5.x mainline espressobin dts.
Also not working with (gti) 5.4.53 new dts files or with 5.10.14:
The text was updated successfully, but these errors were encountered: