serial: stm32: fix the get_irq error case

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Checks the returned values of platform_get_irq() for both required
"event" and optional "wakeup" IRQs during probe. This allows the driver
probe to be deferred if needed.
Removes redundant checks for 'cfg.has_wakeup'.

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Erwan Le Ray 2019-05-21 17:45:47 +02:00 • committed by Greg Kroah-Hartman

parent 5297f274e8

commit 2c58e56096

1 changed files with 26 additions and 8 deletions

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34

drivers/tty/serial/stm32-usart.c

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