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mmc: sdhci-of-esdhc: Pre divider starts at 1

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For PowerPC esdhc pre divider starts at 1, fixing the increases
the actual clock from 40KHz to 50 KHz.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Joakim Tjernlund 2015-04-20 23:12:13 +02:00 committed by Ulf Hansson
parent 035ff831cd
commit bd455029d0
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/host/sdhci-of-esdhc.c
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@ -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) static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock)
{ {
int pre_div = 2; int pre_div = 1;
int div = 1; int div = 1;
u32 temp; 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", dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n",
clock, host->max_clk / pre_div / div); clock, host->max_clk / pre_div / div);
host->mmc->actual_clock = host->max_clk / pre_div / div;
pre_div >>= 1; pre_div >>= 1;
div--; div--;