spi/pl022: strengthen FIFO watermark level checks

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The platform configuration can select custom FIFO watermarks, but
these may conflict the actual FIFO size of the PL022 variant if
set too high. So strengthen the sanity checks to deny any
conflicting settings.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

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Linus Walleij 2011-06-16 10:14:46 +02:00 • committed by Grant Likely

parent bcda6ff8dd

commit 78b2b911bf

1 changed files with 44 additions and 4 deletions

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48

drivers/spi/spi-pl022.c

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