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authorSimon Glass <sjg@chromium.org>2014-10-20 19:48:39 -0600
committerSimon Glass <sjg@chromium.org>2014-10-22 10:36:33 -0600
commit7f1961018cb494c029fcbb446e6562064735ec5e (patch)
tree10089a45751339df4ed17fd12ed1838ed60c0ca5 /drivers
parent3a233dbfe9308943122cc2473064bb7e876577f0 (diff)
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dm: exynos: Make sure that GPIOs are requested
With driver model GPIOs must be requested before use. Make sure this is done correctly. (Note that the soft SPI part of universal is omitted, since this driver is about to be replaced with a driver-model-aware version) Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/s5p_sdhci.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index 637dd97..0dea45d 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -102,6 +102,7 @@ struct sdhci_host sdhci_host[SDHCI_MAX_HOSTS];
static int do_sdhci_init(struct sdhci_host *host)
{
+ char str[20];
int dev_id, flag;
int err = 0;
@@ -109,6 +110,8 @@ static int do_sdhci_init(struct sdhci_host *host)
dev_id = host->index + PERIPH_ID_SDMMC0;
if (fdt_gpio_isvalid(&host->pwr_gpio)) {
+ sprintf(str, "sdhci%d_power", host->index & 0xf);
+ gpio_request(host->pwr_gpio.gpio, str);
gpio_direction_output(host->pwr_gpio.gpio, 1);
err = exynos_pinmux_config(dev_id, flag);
if (err) {
@@ -118,7 +121,9 @@ static int do_sdhci_init(struct sdhci_host *host)
}
if (fdt_gpio_isvalid(&host->cd_gpio)) {
- gpio_direction_output(host->cd_gpio.gpio, 0xf);
+ sprintf(str, "sdhci%d_cd", host->index & 0xf);
+ gpio_request(host->cd_gpio.gpio, str);
+ gpio_direction_output(host->cd_gpio.gpio, 1);
if (gpio_get_value(host->cd_gpio.gpio))
return -ENODEV;