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 <g.liakhovetski@xxxxxx>
---
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
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