To support MMC aggressive clock gating the driver has to stop the interface clock, when the .set_ios() method is called with .clock == 0.
Signed-off-by: Guennadi Liakhovetski <[email protected]> --- Tested on ap4evb and ecovec drivers/mmc/host/sh_mmcif.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 12884c2..3d735da 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -850,15 +850,15 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) struct sh_mmcif_host *host = mmc_priv(mmc); struct sh_mmcif_plat_data *p = host->pd->dev.platform_data; - if (ios->power_mode == MMC_POWER_OFF) { + if (ios->power_mode == MMC_POWER_UP) { + if (p->set_pwr) + p->set_pwr(host->pd, ios->power_mode); + } else if (ios->power_mode == MMC_POWER_OFF || !ios->clock) { /* clock stop */ sh_mmcif_clock_control(host, 0); - if (p->down_pwr) + if (ios->power_mode == MMC_POWER_OFF && p->down_pwr) p->down_pwr(host->pd); return; - } else if (ios->power_mode == MMC_POWER_UP) { - if (p->set_pwr) - p->set_pwr(host->pd, ios->power_mode); } if (ios->clock) -- 1.7.2.3 -- 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
