diff options
| author | Nikita Kiryanov <nikita@compulab.co.il> | 2012-12-03 02:19:47 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-03-08 16:41:13 -0500 |
| commit | e3913f56a26dbb49758370320dac477ab0324631 (patch) | |
| tree | b2a989a6483ef53c309b0e16f774b8d2007c9bfd /drivers | |
| parent | d23d8d7e069c3aca071b7f68d9c15d11f8d4c84d (diff) | |
omap_hsmmc: add driver check for write protection
Add check for write protection in omap mmc driver.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/omap_hsmmc.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index fcbd1330d42..d0b28200590 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -42,6 +42,7 @@ struct omap_hsmmc_data { struct hsmmc *base_addr; int cd_gpio; + int wp_gpio; }; /* If we fail after 1 second wait, something is really bad */ @@ -74,6 +75,12 @@ static int omap_mmc_getcd(struct mmc *mmc) int cd_gpio = ((struct omap_hsmmc_data *)mmc->priv)->cd_gpio; return gpio_get_value(cd_gpio); } + +static int omap_mmc_getwp(struct mmc *mmc) +{ + int wp_gpio = ((struct omap_hsmmc_data *)mmc->priv)->wp_gpio; + return gpio_get_value(wp_gpio); +} #else static inline int omap_mmc_setup_gpio_in(int gpio, const char *label) { @@ -81,6 +88,7 @@ static inline int omap_mmc_setup_gpio_in(int gpio, const char *label) } #define omap_mmc_getcd NULL +#define omap_mmc_getwp NULL #endif #if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER) @@ -580,7 +588,8 @@ static void mmc_set_ios(struct mmc *mmc) writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl); } -int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio) +int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio, + int wp_gpio) { struct mmc *mmc = &hsmmc_dev[dev_index]; struct omap_hsmmc_data *priv_data = &hsmmc_dev_data[dev_index]; @@ -590,7 +599,7 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio) mmc->set_ios = mmc_set_ios; mmc->init = mmc_init_setup; mmc->getcd = omap_mmc_getcd; - mmc->getwp = NULL; + mmc->getwp = omap_mmc_getwp; mmc->priv = priv_data; switch (dev_index) { @@ -612,6 +621,7 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio) return 1; } priv_data->cd_gpio = omap_mmc_setup_gpio_in(cd_gpio, "mmc_cd"); + priv_data->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp"); mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; mmc->host_caps = (MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_HC) & ~host_caps_mask; |