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[Backport v3.7-branch] drivers: uart: esp32: reset tx fifo during driver init #83052

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merged 1 commit into from
Dec 16, 2024
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[Backport v3.7-branch] drivers: uart: esp32: reset tx fifo during driver init #83052

merged 1 commit into from
Dec 16, 2024

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@zephyrbot zephyrbot commented Dec 16, 2024 •
edited by marekmatej
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Backport f0516ea from #82967.
Fixes #82370

@wmrsouza @github-actions
drivers: uart: esp32: reset tx fifo during driver init
8fc6b44 
Resets uart tx fifo during driver initialization to have a well defined
initial condition mainly preventing unwanted characters being sent

Signed-off-by: Marcio Ribeiro <marcio.ribeiro@espressif.com>
(cherry picked from commit f0516ea)
@zephyrbot zephyrbot added Backport Backport PR and backport failure issues size: XS A PR changing only a single line of code platform: ESP32 Espressif ESP32 area: UART Universal Asynchronous Receiver-Transmitter labels Dec 16, 2024
@sylvioalves sylvioalves requested a review from kartben December 16, 2024 17:28
@nashif nashif merged commit 73abf94 into v3.7-branch Dec 16, 2024
29 of 30 checks passed
@nashif nashif deleted the backport-82967-to-v3.7-branch branch December 16, 2024 21:14
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@LucasTambor LucasTambor LucasTambor approved these changes

@sylvioalves sylvioalves sylvioalves approved these changes

@marekmatej marekmatej marekmatej approved these changes

@nashif nashif nashif approved these changes

@kartben kartben kartben approved these changes

@dcpleung dcpleung Awaiting requested review from dcpleung

@uLipe uLipe Awaiting requested review from uLipe

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@sylvioalves sylvioalves

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area: UART Universal Asynchronous Receiver-Transmitter Backport Backport PR and backport failure issues platform: ESP32 Espressif ESP32 size: XS A PR changing only a single line of code
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@zephyrbot @kartben @nashif @marekmatej @sylvioalves @LucasTambor @wmrsouza