Signed-off-by: Andreas Fenkart <afenkart@xxxxxxxxx>
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
--
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