usb: typec: ucsi: inline ucsi_read_message_in

There is no need to have a separate wrapper for reading MESSAGE_IN data,
inline it to ucsi_run_command().

Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240627-ucsi-rework-interface-v4-5-289ddc6874c7@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/typec/ucsi/ucsi.c

@@ -36,19 +36,6 @@
  */
 #define UCSI_SWAP_TIMEOUT_MS	5000
 
-static int ucsi_read_message_in(struct ucsi *ucsi, void *buf,
-					  size_t buf_size)
-{
-	/*
-	 * Below UCSI 2.0, MESSAGE_IN was limited to 16 bytes. Truncate the
-	 * reads here.
-	 */
-	if (ucsi->version <= UCSI_VERSION_1_2)
-		buf_size = clamp(buf_size, 0, 16);
-
-	return ucsi->ops->read_message_in(ucsi, buf, buf_size);
-}
-
 static int ucsi_acknowledge(struct ucsi *ucsi, bool conn_ack)
 {
 	u64 ctrl;
@@ -70,6 +57,13 @@ static int ucsi_run_command(struct ucsi *ucsi, u64 command, u32 *cci,
 
 	*cci = 0;
 
+	/*
+	 * Below UCSI 2.0, MESSAGE_IN was limited to 16 bytes. Truncate the
+	 * reads here.
+	 */
+	if (ucsi->version <= UCSI_VERSION_1_2)
+		size = clamp(size, 0, 16);
+
 	ret = ucsi->ops->sync_control(ucsi, command);
 	if (ret)
 		return ret;
@@ -98,7 +92,7 @@ static int ucsi_run_command(struct ucsi *ucsi, u64 command, u32 *cci,
 	}
 
 	if (data) {
-		ret = ucsi_read_message_in(ucsi, data, size);
+		ret = ucsi->ops->read_message_in(ucsi, data, size);
 		if (ret)
 			return ret;
 	}