| Message ID | 20180307132020.30951-12-kishon@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 07/03/18 15:20, Kishon Vijay Abraham I wrote: > Add sdhci_omap_enable_sdio_irq to set CTPL and CLKEXTFREE bits in > MMCHS_CON register required to detect asynchronous card interrupt > on DAT[1]. > > Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> > --- > drivers/mmc/host/sdhci-omap.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c > index 14dd51b51b41..8ceb3956b211 100644 > --- a/drivers/mmc/host/sdhci-omap.c > +++ b/drivers/mmc/host/sdhci-omap.c > @@ -36,6 +36,7 @@ > #define CON_DDR BIT(19) > #define CON_CLKEXTFREE BIT(16) > #define CON_PADEN BIT(15) > +#define CON_CTPL BIT(11) > #define CON_INIT BIT(1) > #define CON_OD BIT(0) > > @@ -226,6 +227,23 @@ static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host, > } > } > > +static void sdhci_omap_enable_sdio_irq(struct mmc_host *mmc, int enable) > +{ > + struct sdhci_host *host = mmc_priv(mmc); > + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); > + u32 reg; > + > + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); > + if (enable) > + reg |= (CON_CTPL | CON_CLKEXTFREE); > + else > + reg &= ~(CON_CTPL | CON_CLKEXTFREE); > + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); > + > + sdhci_enable_sdio_irq(mmc, enable); > +} > + > static inline void sdhci_omap_set_dll(struct sdhci_omap_host *omap_host, > int count) > { > @@ -962,6 +980,7 @@ static int sdhci_omap_probe(struct platform_device *pdev) > host->mmc_host_ops.set_ios = sdhci_omap_set_ios; > host->mmc_host_ops.card_busy = sdhci_omap_card_busy; > host->mmc_host_ops.execute_tuning = sdhci_omap_execute_tuning; > + host->mmc_host_ops.enable_sdio_irq = sdhci_omap_enable_sdio_irq; > > ret = sdhci_setup_host(host); > if (ret) > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 14dd51b51b41..8ceb3956b211 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -36,6 +36,7 @@ #define CON_DDR BIT(19) #define CON_CLKEXTFREE BIT(16) #define CON_PADEN BIT(15) +#define CON_CTPL BIT(11) #define CON_INIT BIT(1) #define CON_OD BIT(0) @@ -226,6 +227,23 @@ static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host, } } +static void sdhci_omap_enable_sdio_irq(struct mmc_host *mmc, int enable) +{ + struct sdhci_host *host = mmc_priv(mmc); + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + u32 reg; + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); + if (enable) + reg |= (CON_CTPL | CON_CLKEXTFREE); + else + reg &= ~(CON_CTPL | CON_CLKEXTFREE); + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); + + sdhci_enable_sdio_irq(mmc, enable); +} + static inline void sdhci_omap_set_dll(struct sdhci_omap_host *omap_host, int count) { @@ -962,6 +980,7 @@ static int sdhci_omap_probe(struct platform_device *pdev) host->mmc_host_ops.set_ios = sdhci_omap_set_ios; host->mmc_host_ops.card_busy = sdhci_omap_card_busy; host->mmc_host_ops.execute_tuning = sdhci_omap_execute_tuning; + host->mmc_host_ops.enable_sdio_irq = sdhci_omap_enable_sdio_irq; ret = sdhci_setup_host(host); if (ret)
Add sdhci_omap_enable_sdio_irq to set CTPL and CLKEXTFREE bits in MMCHS_CON register required to detect asynchronous card interrupt on DAT[1]. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> --- drivers/mmc/host/sdhci-omap.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)