mmc: sh_mmcif: double clock speed

[firefly-linux-kernel-4.4.55.git] / drivers / mmc / host / sh_mmcif.c

diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index aafaf0b6eb1c96bcf298307b180dca75a259b424..d79c6430c164b9818b5a161181408c866ec08006 100644 (file)
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -454,7 +454,8 @@ 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 &
-                               ((fls(host->clk / clk) - 1) << 16));
+                               ((fls(DIV_ROUND_UP(host->clk,
+                                                  clk) - 1) - 1) << 16));
 
        sh_mmcif_bitset(host, MMCIF_CE_CLK_CTRL, CLK_ENABLE);
 }