Blackfin SPI Driver: add timeout while waiting for SPIF in dma irq handler

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The "while" endless loop will cause the system hang if hardware error, so
we add timeout control to make the system alive.

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Mike Frysinger 2009-04-06 19:00:42 -07:00 • committed by Linus Torvalds

parent 11d6f59951

commit aaaf939c57

1 changed files with 11 additions and 1 deletions

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drivers/spi/spi_bfin5xx.c

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