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(parent: 4d6144d) | patch
mmc: sh_mmcif: simplify clock divisor calculation
authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Wed, 23 Nov 2011 14:52:30 +0000 (15:52 +0100)
committerChris Ball <cjb@laptop.org>
Thu, 12 Jan 2012 04:58:42 +0000 (23:58 -0500)
commit86df174585de79a460e3515ec413ea1f5a0bcf68
tree5ba0a10d265947426e88f3d04fc0f961473874b0tree | snapshot (tar.gz zip)
parent4d6144de8ba263eb3691a737c547e5b2fdc45287commit | diff
mmc: sh_mmcif: simplify clock divisor calculation

Replace ilog2(__rounddown_pow_of_two(x)) with the equivalent but much
simpler fls(x) - 1.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/host/sh_mmcif.c diff | blob | blame | history