[PATCH] cafe_nand: remove busy-wait loop

Deepak Saxena dsaxena at laptop.org
Tue Dec 9 14:45:16 EST 2008


On Dec 09 2008, at 16:05, Daniel Drake was caught saying:
> This patch enables interrupts for DMA and command completion events, and
> uses them to determine when commands and transfers have completed.
> 
> This avoids a busy-wait loop which was a waste of CPU time.
> 
> Signed-off-by: Daniel Drake <dsd at laptop.org>

Looks good, but since we're just checking for one bit, I think
we can we just use an atomic_t instead of needing a whole spinlock.

~Deepak

-- 
 Deepak Saxena - Kernel Developer, One Laptop Per Child
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