spi/dw_spi: Fix too short timeout in spi polling loop

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The SPI polling loop timeout only works with HZ=100 as the loop was
actually too short.

Also add appropriate cpu_relax() in the busy wait loops...

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

...

This commit is contained in:

Feng Tang 2010-12-24 13:59:09 +08:00 • committed by Grant Likely

parent 5e8b821de3

commit ebf45b7d02

1 changed files with 6 additions and 3 deletions

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drivers/spi/dw_spi.c

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