Signed-off-by: Andreas Fenkart <[email protected]>

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 2f944d7..1c10e6c 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -36,6 +36,7 @@
 #include <linux/mmc/host.h>
 #include <linux/mmc/core.h>
 #include <linux/mmc/mmc.h>
+#include <linux/mmc/slot-gpio.h>
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
@@ -239,15 +240,6 @@ static int omap_hsmmc_card_detect(struct device *dev, int 
slot)
        return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
 }
 
-static int omap_hsmmc_get_wp(struct device *dev, int slot)
-{
-       struct omap_hsmmc_host *host = dev_get_drvdata(dev);
-       struct omap_mmc_platform_data *mmc = host->pdata;
-
-       /* NOTE: assumes write protect signal is active-high */
-       return gpio_get_value_cansleep(mmc->slots[0].gpio_wp);
-}
-
 static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
 {
        struct omap_hsmmc_host *host = dev_get_drvdata(dev);
@@ -449,7 +441,8 @@ static inline int omap_hsmmc_have_reg(void)
 
 #endif
 
-static int omap_hsmmc_gpio_init(struct omap_mmc_platform_data *pdata)
+static int omap_hsmmc_gpio_init(struct mmc_host *mmc,
+                               struct omap_mmc_platform_data *pdata)
 {
        int ret;
 
@@ -471,31 +464,31 @@ static int omap_hsmmc_gpio_init(struct 
omap_mmc_platform_data *pdata)
                pdata->slots[0].switch_pin = -EINVAL;
 
        if (gpio_is_valid(pdata->slots[0].gpio_wp)) {
-               pdata->slots[0].get_ro = omap_hsmmc_get_wp;
-               ret = gpio_request(pdata->slots[0].gpio_wp, "mmc_wp");
-               if (ret)
-                       goto err_free_cd;
-               ret = gpio_direction_input(pdata->slots[0].gpio_wp);
-               if (ret)
-                       goto err_free_wp;
-       } else
-               pdata->slots[0].gpio_wp = -EINVAL;
+               /* copy & paste from from mmc_of_parse */
+               ret = mmc_gpio_request_ro(mmc, pdata->slots[0].gpio_wp);
+               if (ret < 0) {
+                       dev_err(pdata->dev,
+                               "Failed to request WP GPIO: %d!\n", ret);
+                       goto err;
+               } else {
+                       dev_info(pdata->dev, "Got WP GPIO #%d.\n",
+                                pdata->slots[0].gpio_wp);
+               }
+       }
 
        return 0;
 
-err_free_wp:
-       gpio_free(pdata->slots[0].gpio_wp);
-err_free_cd:
+err:
        if (gpio_is_valid(pdata->slots[0].switch_pin))
 err_free_sp:
                gpio_free(pdata->slots[0].switch_pin);
        return ret;
 }
 
-static void omap_hsmmc_gpio_free(struct omap_mmc_platform_data *pdata)
+static void omap_hsmmc_gpio_free(struct mmc_host *mmc,
+                                struct omap_mmc_platform_data *pdata)
 {
-       if (gpio_is_valid(pdata->slots[0].gpio_wp))
-               gpio_free(pdata->slots[0].gpio_wp);
+       mmc_gpio_free_ro(mmc);
        if (gpio_is_valid(pdata->slots[0].switch_pin))
                gpio_free(pdata->slots[0].switch_pin);
 }
@@ -1673,15 +1666,6 @@ static int omap_hsmmc_get_cd(struct mmc_host *mmc)
        return mmc_slot(host).card_detect(host->dev, host->slot_id);
 }
 
-static int omap_hsmmc_get_ro(struct mmc_host *mmc)
-{
-       struct omap_hsmmc_host *host = mmc_priv(mmc);
-
-       if (!mmc_slot(host).get_ro)
-               return -ENOSYS;
-       return mmc_slot(host).get_ro(host->dev, 0);
-}
-
 static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
 {
        struct omap_hsmmc_host *host = mmc_priv(mmc);
@@ -1837,7 +1821,7 @@ static const struct mmc_host_ops omap_hsmmc_ops = {
        .request = omap_hsmmc_request,
        .set_ios = omap_hsmmc_set_ios,
        .get_cd = omap_hsmmc_get_cd,
-       .get_ro = omap_hsmmc_get_ro,
+       .get_ro = mmc_gpio_get_ro,
        .init_card = omap_hsmmc_init_card,
        .enable_sdio_irq = omap_hsmmc_enable_sdio_irq,
 };
@@ -2063,16 +2047,15 @@ static int omap_hsmmc_probe(struct platform_device 
*pdev)
        if (IS_ERR(base))
                return PTR_ERR(base);
 
-       ret = omap_hsmmc_gpio_init(pdata);
-       if (ret)
-               goto err;
-
        mmc = mmc_alloc_host(sizeof(struct omap_hsmmc_host), &pdev->dev);
        if (!mmc) {
-               ret = -ENOMEM;
-               goto err_alloc;
+               return -ENOMEM;
        }
 
+       ret = omap_hsmmc_gpio_init(mmc, pdata);
+       if (ret)
+               goto err;
+
        host            = mmc_priv(mmc);
        host->mmc       = mmc;
        host->pdata     = pdata;
@@ -2302,10 +2285,9 @@ err_irq:
        if (host->dbclk)
                clk_disable_unprepare(host->dbclk);
 err1:
-       mmc_free_host(mmc);
-err_alloc:
-       omap_hsmmc_gpio_free(pdata);
+       omap_hsmmc_gpio_free(mmc, pdata);
 err:
+       mmc_free_host(mmc);
        return ret;
 }
 
@@ -2330,7 +2312,7 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
        if (host->dbclk)
                clk_disable_unprepare(host->dbclk);
 
-       omap_hsmmc_gpio_free(host->pdata);
+       omap_hsmmc_gpio_free(host->mmc, host->pdata);
        mmc_free_host(host->mmc);
 
        return 0;
diff --git a/include/linux/platform_data/mmc-omap.h 
b/include/linux/platform_data/mmc-omap.h
index 51e70cf..7fe0c14 100644
--- a/include/linux/platform_data/mmc-omap.h
+++ b/include/linux/platform_data/mmc-omap.h
@@ -120,7 +120,6 @@ struct omap_mmc_platform_data {
                int (*set_bus_mode)(struct device *dev, int slot, int bus_mode);
                int (*set_power)(struct device *dev, int slot,
                                 int power_on, int vdd);
-               int (*get_ro)(struct device *dev, int slot);
                void (*remux)(struct device *dev, int slot, int power_on);
                /* Call back before enabling / disabling regulators */
                void (*before_set_reg)(struct device *dev, int slot,
-- 
2.0.0

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to