sunxi: mmc: Enable pull-up on card-detect gpio pin
On some boards we need to enable the internal pull-up te reliable detect
that no card is inserted.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index bb08147..e7ab828 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -75,8 +75,10 @@
cd_pin = sunxi_mmc_getcd_gpio(sdc_no);
if (cd_pin >= 0) {
ret = gpio_request(cd_pin, "mmc_cd");
- if (!ret)
+ if (!ret) {
+ sunxi_gpio_set_pull(cd_pin, SUNXI_GPIO_PULL_UP);
ret = gpio_direction_input(cd_pin);
+ }
}
return ret;