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); } -- 1.7.2.5 -- 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
