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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-06-27 23:00:25 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-06-27 23:00:25 -0700
commit31881d74b6dd1a6c530cff61248def4f2da38bee (patch)
treebe62420cf39192074e13b25553d172b9d5e58a33 /drivers/mmc/host/dw_mmc-exynos.c
parent8855f30cd2b68012571932c7b01290c20be4508c (diff)
parent257867dc8d893690c175c1f717f91c3b6d44a63d (diff)
Merge branch 'for-next' of git://github.com/rydberg/linux into next
Pull in changes from Henrik: "a trivial MT documentation fix".
Diffstat (limited to 'drivers/mmc/host/dw_mmc-exynos.c')
-rw-r--r--drivers/mmc/host/dw_mmc-exynos.c54
1 files changed, 9 insertions, 45 deletions
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
index 72fd0f2c901..f013e7e3746 100644
--- a/drivers/mmc/host/dw_mmc-exynos.c
+++ b/drivers/mmc/host/dw_mmc-exynos.c
@@ -152,45 +152,8 @@ static int dw_mci_exynos_parse_dt(struct dw_mci *host)
return 0;
}
-static int dw_mci_exynos_setup_bus(struct dw_mci *host,
- struct device_node *slot_np, u8 bus_width)
-{
- int idx, gpio, ret;
-
- if (!slot_np)
- return -EINVAL;
-
- /* cmd + clock + bus-width pins */
- for (idx = 0; idx < NUM_PINS(bus_width); idx++) {
- gpio = of_get_gpio(slot_np, idx);
- if (!gpio_is_valid(gpio)) {
- dev_err(host->dev, "invalid gpio: %d\n", gpio);
- return -EINVAL;
- }
-
- ret = devm_gpio_request(host->dev, gpio, "dw-mci-bus");
- if (ret) {
- dev_err(host->dev, "gpio [%d] request failed\n", gpio);
- return -EBUSY;
- }
- }
-
- if (host->pdata->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
- return 0;
-
- gpio = of_get_named_gpio(slot_np, "samsung,cd-pinmux-gpio", 0);
- if (gpio_is_valid(gpio)) {
- if (devm_gpio_request(host->dev, gpio, "dw-mci-cd"))
- dev_err(host->dev, "gpio [%d] request failed\n", gpio);
- } else {
- dev_info(host->dev, "cd gpio not available");
- }
-
- return 0;
-}
-
-/* Exynos5250 controller specific capabilities */
-static unsigned long exynos5250_dwmmc_caps[4] = {
+/* Common capabilities of Exynos4/Exynos5 SoC */
+static unsigned long exynos_dwmmc_caps[4] = {
MMC_CAP_UHS_DDR50 | MMC_CAP_1_8V_DDR |
MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23,
MMC_CAP_CMD23,
@@ -198,24 +161,25 @@ static unsigned long exynos5250_dwmmc_caps[4] = {
MMC_CAP_CMD23,
};
-static const struct dw_mci_drv_data exynos5250_drv_data = {
- .caps = exynos5250_dwmmc_caps,
+static const struct dw_mci_drv_data exynos_drv_data = {
+ .caps = exynos_dwmmc_caps,
.init = dw_mci_exynos_priv_init,
.setup_clock = dw_mci_exynos_setup_clock,
.prepare_command = dw_mci_exynos_prepare_command,
.set_ios = dw_mci_exynos_set_ios,
.parse_dt = dw_mci_exynos_parse_dt,
- .setup_bus = dw_mci_exynos_setup_bus,
};
static const struct of_device_id dw_mci_exynos_match[] = {
+ { .compatible = "samsung,exynos4412-dw-mshc",
+ .data = &exynos_drv_data, },
{ .compatible = "samsung,exynos5250-dw-mshc",
- .data = &exynos5250_drv_data, },
+ .data = &exynos_drv_data, },
{},
};
MODULE_DEVICE_TABLE(of, dw_mci_exynos_match);
-int dw_mci_exynos_probe(struct platform_device *pdev)
+static int dw_mci_exynos_probe(struct platform_device *pdev)
{
const struct dw_mci_drv_data *drv_data;
const struct of_device_id *match;
@@ -230,7 +194,7 @@ static struct platform_driver dw_mci_exynos_pltfm_driver = {
.remove = __exit_p(dw_mci_pltfm_remove),
.driver = {
.name = "dwmmc_exynos",
- .of_match_table = of_match_ptr(dw_mci_exynos_match),
+ .of_match_table = dw_mci_exynos_match,
.pm = &dw_mci_pltfm_pmops,
},
};