From: Joakim Tjernlund Date: Mon, 20 Apr 2015 21:12:13 +0000 (+0200) Subject: mmc: sdhci-of-esdhc: Pre divider starts at 1 X-Git-Tag: firefly_0821_release~176^2~1614^2~90 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bd455029d01cb55dca62129282466ccea3698813;p=firefly-linux-kernel-4.4.55.git mmc: sdhci-of-esdhc: Pre divider starts at 1 For PowerPC esdhc pre divider starts at 1, fixing the increases the actual clock from 40KHz to 50 KHz. Signed-off-by: Joakim Tjernlund Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 22e9111b11ff..1804bdbdb145 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -199,7 +199,7 @@ static unsigned int esdhc_of_get_min_clock(struct sdhci_host *host) static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) { - int pre_div = 2; + int pre_div = 1; int div = 1; u32 temp; @@ -229,7 +229,7 @@ static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n", clock, host->max_clk / pre_div / div); - + host->mmc->actual_clock = host->max_clk / pre_div / div; pre_div >>= 1; div--;