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-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c12
-rw-r--r--drivers/mmc/host/sdhci.c7
-rw-r--r--drivers/mmc/host/sdhci.h5
3 files changed, 16 insertions, 8 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index b841bb7cd371..b0b4eea8d232 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1170,8 +1170,10 @@ static int sdhci_esdhc_runtime_suspend(struct device *dev)
ret = sdhci_runtime_suspend_host(host);
- clk_disable_unprepare(imx_data->clk_per);
- clk_disable_unprepare(imx_data->clk_ipg);
+ if (!sdhci_sdio_irq_enabled(host)) {
+ clk_disable_unprepare(imx_data->clk_per);
+ clk_disable_unprepare(imx_data->clk_ipg);
+ }
clk_disable_unprepare(imx_data->clk_ahb);
return ret;
@@ -1183,8 +1185,10 @@ static int sdhci_esdhc_runtime_resume(struct device *dev)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct pltfm_imx_data *imx_data = pltfm_host->priv;
- clk_prepare_enable(imx_data->clk_per);
- clk_prepare_enable(imx_data->clk_ipg);
+ if (!sdhci_sdio_irq_enabled(host)) {
+ clk_prepare_enable(imx_data->clk_per);
+ clk_prepare_enable(imx_data->clk_ipg);
+ }
clk_prepare_enable(imx_data->clk_ahb);
return sdhci_runtime_resume_host(host);
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 8def3919b32c..0ecbcc4c29d2 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1711,8 +1711,7 @@ static int sdhci_get_ro(struct mmc_host *mmc)
static void sdhci_enable_sdio_irq_nolock(struct sdhci_host *host, int enable)
{
- /* SDIO IRQ will be enabled as appropriate in runtime resume */
- if (!(host->flags & SDHCI_DEVICE_DEAD) || host->runtime_suspended) {
+ if (!(host->flags & SDHCI_DEVICE_DEAD)) {
if (enable)
sdhci_unmask_irqs(host, SDHCI_INT_CARD_INT);
else
@@ -2426,7 +2425,7 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
spin_lock(&host->lock);
- if (host->runtime_suspended) {
+ if (host->runtime_suspended && !sdhci_sdio_irq_enabled(host)) {
spin_unlock(&host->lock);
return IRQ_NONE;
}
@@ -2692,7 +2691,7 @@ int sdhci_runtime_suspend_host(struct sdhci_host *host)
}
spin_lock_irqsave(&host->lock, flags);
- sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK);
+ sdhci_mask_irqs(host, SDHCI_INT_ALL_MASK & ~SDHCI_INT_CARD_INT);
spin_unlock_irqrestore(&host->lock, flags);
synchronize_hardirq(host->irq);
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 0a3ed01887db..fc6f81d2f377 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -397,6 +397,11 @@ extern void sdhci_remove_host(struct sdhci_host *host, int dead);
extern void sdhci_send_command(struct sdhci_host *host,
struct mmc_command *cmd);
+static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host)
+{
+ return !!(host->flags & SDHCI_SDIO_IRQ_ENABLED);
+}
+
#ifdef CONFIG_PM
extern int sdhci_suspend_host(struct sdhci_host *host);
extern int sdhci_resume_host(struct sdhci_host *host);