diff options
| author | Kishon Vijay Abraham I <kishon@ti.com> | 2018-01-30 18:01:45 +0300 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-02-19 10:58:55 +0300 |
| commit | 90321dce0da1ba0844a7066a1034cdf73b8613c6 (patch) | |
| tree | 01ff706f383a4f00d7afb1e09d8556eeb2cff1a6 | |
| parent | 42182c9b9ca946b68f564936ffc181b75ce3da9f (diff) | |
| download | u-boot-90321dce0da1ba0844a7066a1034cdf73b8613c6.tar.xz | |
mmc: omap_hsmmc: allow mmc clock to be gated
mmc core has defined a new parameter *clk_disable* to gate the clock.
Disable the clock here if *clk_disable* is set.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
| -rw-r--r-- | drivers/mmc/omap_hsmmc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 71608d18e2..0e80420d8b 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -1207,6 +1207,7 @@ static int omap_hsmmc_set_ios(struct udevice *dev) struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); struct mmc *mmc = upriv->mmc; #endif + struct hsmmc *mmc_base = priv->base_addr; if (priv->bus_width != mmc->bus_width) omap_hsmmc_set_bus_width(mmc); @@ -1214,6 +1215,11 @@ static int omap_hsmmc_set_ios(struct udevice *dev) if (priv->clock != mmc->clock) omap_hsmmc_set_clock(mmc); + if (mmc->clk_disable) + omap_hsmmc_stop_clock(mmc_base); + else + omap_hsmmc_start_clock(mmc_base); + #if CONFIG_IS_ENABLED(DM_MMC) if (priv->mode != mmc->selected_mode) omap_hsmmc_set_timing(mmc); |