mmc: don't use weight32()

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Using weight32() to determine if a value is a power of 2 is a rather
heavi weight solution.  The classic idiom is (x & (x - 1)) == 0, but
the kernel already provide a is_power_of_2 function for it.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

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Nicolas Pitre 2007-10-11 01:06:03 -04:00 • committed by Pierre Ossman

parent c783837bc6

commit 019a5f56ec

2 changed files with 4 additions and 2 deletions

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3

drivers/mmc/host/mmci.c

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3

drivers/mmc/host/tifm_sd.c

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