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dm: exynos: Make sure that GPIOs are requested

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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>
This commit is contained in:
Simon Glass
2014-10-20 19:48:39 -06:00
parent 3a233dbfe9
commit 7f1961018c
10 changed files with 62 additions and 9 deletions
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7
drivers/mmc/s5p_sdhci.c
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@@ -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;