From: Siva Durga Prasad Paladugu sivadur@xilinx.com
This patch adds support to disable clock if clk_disable was set and then enable or set clock if the clock was changed or clock was disabled when clock needs to be enabled.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com --- Changes in v3: - Removed clk_disabled in sdhci_host structure --- drivers/mmc/sdhci.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index d31793a..73d17d7 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -440,6 +440,9 @@ static int sdhci_set_ios(struct mmc *mmc) if (mmc->clock != host->clock) sdhci_set_clock(mmc, mmc->clock);
+ if (mmc->clk_disable) + sdhci_set_clock(mmc, 0); + /* Set bus width */ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); if (mmc->bus_width == 8) { -- 2.7.4
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