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path: root/drivers/mmc/host/dw_mmc.c
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Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
-rw-r--r--drivers/mmc/host/dw_mmc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 875ce2d0ac87..7cf3394139e4 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -3337,6 +3337,11 @@ int dw_mci_runtime_suspend(struct device *dev)
clk_disable_unprepare(host->ciu_clk);
+ if (host->cur_slot &&
+ (mmc_can_gpio_cd(host->cur_slot->mmc) ||
+ !mmc_card_is_removable(host->cur_slot->mmc)))
+ clk_disable_unprepare(host->biu_clk);
+
return err;
}
EXPORT_SYMBOL(dw_mci_runtime_suspend);
@@ -3346,6 +3351,14 @@ int dw_mci_runtime_resume(struct device *dev)
int ret = 0;
struct dw_mci *host = dev_get_drvdata(dev);
+ if (host->cur_slot &&
+ (mmc_can_gpio_cd(host->cur_slot->mmc) ||
+ !mmc_card_is_removable(host->cur_slot->mmc))) {
+ ret = clk_prepare_enable(host->biu_clk);
+ if (ret)
+ return ret;
+ }
+
ret = clk_prepare_enable(host->ciu_clk);
if (ret)
return ret;