mmc: dw_mmc: remove the dw_mci_of_cd_gpio/wp_gpio()

If mmc_of_parse() is used, dw_mci_of_get_cd_gpio/wp_gpio didn't need. Already implemented into mmc_of_parse().

Signed-off-by Jaehoon Chung <[email protected]>

---
Changelog V4:
- Remove the wp_gpio code.
Changelog V3:
- None

 drivers/mmc/host/dw_mmc.c |   60 +++------------------------------------------
 drivers/mmc/host/dw_mmc.h |    2 --
 2 files changed, 3 insertions(+), 59 deletions(-)

drivers/mmc/host/dw_mmc.c +3 -57

index 1418d33..22184c1 100644
@@ -994,12 +994,13 @@ static int dw_mci_get_ro(struct mmc_host *mmc)
 {
        int read_only;
        struct dw_mci_slot *slot = mmc_priv(mmc);
+       int gpio_ro = mmc_gpio_get_ro(mmc);
 
        /* Use platform get_ro function, else try on board write protect */
        if (slot->quirks & DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT)
                read_only = 0;
-       else if (gpio_is_valid(slot->wp_gpio))
-               read_only = gpio_get_value(slot->wp_gpio);
+       else if (!IS_ERR_VALUE(gpio_ro))
+               read_only = gpio_ro;
        else
                read_only =
                        mci_readl(slot->host, WRTPRT) & (1 << slot->id) ? 1 : 0;

@@ -2025,49 +2026,6 @@ static int dw_mci_of_get_slot_quirks(struct device *dev, u8 slot)
 
        return quirks;
 }
-
-/* find the write protect gpio for a given slot; or -1 if none specified */
-static int dw_mci_of_get_wp_gpio(struct device *dev, u8 slot)
-{
-       struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
-       int gpio;
-
-       if (!np)
-               return -EINVAL;
-
-       gpio = of_get_named_gpio(np, "wp-gpios", 0);
-
-       /* Having a missing entry is valid; return silently */
-       if (!gpio_is_valid(gpio))
-               return -EINVAL;
-
-       if (devm_gpio_request(dev, gpio, "dw-mci-wp")) {
-               dev_warn(dev, "gpio [%d] request failed\n", gpio);
-               return -EINVAL;
-       }
-
-       return gpio;
-}
-
-/* find the cd gpio for a given slot */
-static void dw_mci_of_get_cd_gpio(struct device *dev, u8 slot,
-                                       struct mmc_host *mmc)
-{
-       struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
-       int gpio;
-
-       if (!np)
-               return;
-
-       gpio = of_get_named_gpio(np, "cd-gpios", 0);
-
-       /* Having a missing entry is valid; return silently */
-       if (!gpio_is_valid(gpio))
-               return;
-
-       if (mmc_gpio_request_cd(mmc, gpio, 0))
-               dev_warn(dev, "gpio [%d] request failed\n", gpio);
-}
 #else /* CONFIG_OF */
 static int dw_mci_of_get_slot_quirks(struct device *dev, u8 slot)
 {

@@ -2077,15 +2035,6 @@ static struct device_node *dw_mci_of_find_slot_node(struct device *dev, u8 slot)
 {
        return NULL;
 }
-static int dw_mci_of_get_wp_gpio(struct device *dev, u8 slot)
-{
-       return -EINVAL;
-}
-static void dw_mci_of_get_cd_gpio(struct device *dev, u8 slot,
-                                       struct mmc_host *mmc)
-{
-       return;
-}
 #endif /* CONFIG_OF */
 
 static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)

@@ -2164,9 +2113,6 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 #endif /* CONFIG_MMC_DW_IDMAC */
        }
 
-       slot->wp_gpio = dw_mci_of_get_wp_gpio(host->dev, slot->id);
-       dw_mci_of_get_cd_gpio(host->dev, slot->id, mmc);
-
        ret = mmc_add_host(mmc);
        if (ret)
                goto err_setup_bus;

drivers/mmc/host/dw_mmc.h +0 -3

index 6bf24ab..0c75f2c 100644
@@ -195,7 +195,6 @@ extern int dw_mci_resume(struct dw_mci *host);
  * @mmc: The mmc_host representing this slot.
  * @host: The MMC controller this slot is using.
  * @quirks: Slot-level quirks (DW_MCI_SLOT_QUIRK_XXX)
- * @wp_gpio: If gpio_is_valid() we'll use this to read write protect.
  * @ctype: Card type for this slot.
  * @mrq: mmc_request currently being processed or waiting to be
  *     processed, or NULL when the slot is idle.

@@ -214,7 +213,6 @@ struct dw_mci_slot {
        struct dw_mci           *host;
 
        int                     quirks;
-       int                     wp_gpio;
 
        u32                     ctype;
 
--

1.7.9.5