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mmc: dw_mmc: remove 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 <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Jaehoon Chung 2014-03-03 11:36:46 +09:00 committed by Chris Ball
parent f16afa883e
commit 9795a846e1
2 changed files with 3 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
drivers/mmc/host/dw_mmc.c
View File

@ -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;

2
drivers/mmc/host/dw_mmc.h
View File

@ -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;