A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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ARM: OMAP: hsmmc: Add support for non-OMAP pins

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The Devkit8000 uses a TWL4030 pin for card detection.
Thats why the error:
_omap_mux_init_gpio: Could not set gpio192
occurs.

This patch checks that the pin is on OMAP before
calling omap_mux_init_gpio.

Signed-off-by: Thomas Weber <[email protected]>
[[email protected]: updated comments]
Signed-off-by: Tony Lindgren <[email protected]>
This commit is contained in:
Thomas Weber 2011-11-17 22:39:40 +01:00 • committed by Tony Lindgren
commit a15164f13f
1 changed files with 4 additions and 2 deletions
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6
arch/arm/mach-omap2/hsmmc.c
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@ -214,10 +214,12 @@ static int nop_mmc_set_power(struct device *dev, int slot, int power_on,
static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller,
int controller_nr)
{
if (gpio_is_valid(mmc_controller->slots[0].switch_pin))
if (gpio_is_valid(mmc_controller->slots[0].switch_pin) &&
(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
OMAP_PIN_INPUT_PULLUP);
if (gpio_is_valid(mmc_controller->slots[0].gpio_wp))
if (gpio_is_valid(mmc_controller->slots[0].gpio_wp) &&
(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
OMAP_PIN_INPUT_PULLUP);
if (cpu_is_omap34xx()) {