From: Kuninori Morimoto <[email protected]> This patch ensures that the clock has been stopped before it calls tmio_mmc_set_clock(). The clock settings might be failed without this patch
Signed-off-by: Kuninori Morimoto <[email protected]> --- v3 -> v4 - based on latest git://git.linaro.org/people/ulf.hansson/mmc.git#next drivers/mmc/host/tmio_mmc_pio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index ba45413..7289331 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -924,12 +924,14 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) tmio_mmc_clk_stop(host); break; case MMC_POWER_UP: + tmio_mmc_clk_stop(host); tmio_mmc_set_clock(host, ios->clock); tmio_mmc_power_on(host, ios->vdd); tmio_mmc_clk_start(host); tmio_mmc_set_bus_width(host, ios->bus_width); break; case MMC_POWER_ON: + tmio_mmc_clk_stop(host); tmio_mmc_set_clock(host, ios->clock); tmio_mmc_clk_start(host); tmio_mmc_set_bus_width(host, ios->bus_width); @@ -1199,6 +1201,7 @@ int tmio_mmc_host_runtime_resume(struct device *dev) tmio_mmc_clk_update(host); if (host->clk_cache) { + tmio_mmc_clk_stop(host); tmio_mmc_set_clock(host, host->clk_cache); tmio_mmc_clk_start(host); } -- 1.7.9.5 -- 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
