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Commit ea1f2b60 authored by Erwan Gouriou's avatar Erwan Gouriou Committed by Anas Nashif
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drivers/gpio: stm32: return error when pin line already in use 



GPIO pin interrupts share common EXTI resources.
Return an error when attempt to configure a line already in use.

Fixes #10611

Signed-off-by: default avatarErwan Gouriou <erwan.gouriou@linaro.org>
parent a1ccde26
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