Hi, On Wed, Nov 23 2011, Guennadi Liakhovetski wrote: > Replace ilog2(__rounddown_pow_of_two(x)) with the equivalent but much > simpler fls(x) - 1. > > Reported-by: Andrew Morton <[email protected]> > Signed-off-by: Guennadi Liakhovetski <[email protected]> > --- > drivers/mmc/host/sh_mmcif.c | 3 ++- > 1 files changed, 2 insertions(+), 1 deletions(-) > > diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c > index c021482..824fee5 100644 > --- a/drivers/mmc/host/sh_mmcif.c > +++ b/drivers/mmc/host/sh_mmcif.c > @@ -16,6 +16,7 @@ > * > */ > > +#include <linux/bitops.h> > #include <linux/clk.h> > #include <linux/completion.h> > #include <linux/delay.h> > @@ -386,7 +387,7 @@ static void sh_mmcif_clock_control(struct sh_mmcif_host > *host, unsigned int clk) > sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_SUP_PCLK); > else > sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_CLEAR & > - (ilog2(__rounddown_pow_of_two(host->clk / clk)) << 16)); > + ((fls(host->clk / clk) - 1) << 16)); > > sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_ENABLE); > }
Thanks, pushed to mmc-next for 3.3. - Chris. -- Chris Ball <[email protected]> <http://printf.net/> One Laptop Per Child -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
