spi: amd: Use iopoll for busy waiting

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Instead of implementing a custom IO busy wait function, just use
readl_poll_timeout().

Signed-off-by: André Almeida <andrealmeid@collabora.com>
Link: https://lore.kernel.org/r/20220211143155.75513-2-andrealmeid@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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André Almeida 2022-02-11 11:31:53 -03:00 • committed by Mark Brown

parent 2cbfa21286

commit 715bea3568

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drivers/spi/spi-amd.c

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