spi: stm32: defer probe for reset

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Defer the probe operation when a reset controller device is expected
but have not yet been probed.

This change replaces use of devm_reset_control_get_exclusive() with
devm_reset_control_get_optional_exclusive() as reset controller is
optional which is now explicitly stated.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/1612551572-495-7-git-send-email-alain.volmat@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Alain Volmat 2021-02-05 19:59:30 +01:00 • committed by Mark Brown

parent 1c75cfd53e

commit c63b95b76e

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1 changed files with 8 additions and 2 deletions

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drivers/spi/spi-stm32.c

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