summaryrefslogtreecommitdiffstats
path: root/drivers/mmc/host/mmci.c
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2012-07-20 16:42:59 +0900
committerPaul Mundt <lethal@linux-sh.org>2012-07-20 16:42:59 +0900
commit9ff561fdf73493d757bbc74aa58627e1381650fb (patch)
tree4484d230662126b1ac94ea545ca5429c91e0a68b /drivers/mmc/host/mmci.c
parent7b98cf0cf4e8798b9e7435f966ed0d90a2a925de (diff)
parentfdd85ec3eb8cc1b663678a3efa16ee59a32e0277 (diff)
downloadlinux-9ff561fdf73493d757bbc74aa58627e1381650fb.tar.bz2
Merge branch 'common/pinctrl' into sh-latest
Diffstat (limited to 'drivers/mmc/host/mmci.c')
-rw-r--r--drivers/mmc/host/mmci.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index f0fcce40cd8d..50ff19a62368 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1216,12 +1216,7 @@ static void mmci_dt_populate_generic_pdata(struct device_node *np,
int bus_width = 0;
pdata->gpio_wp = of_get_named_gpio(np, "wp-gpios", 0);
- if (!pdata->gpio_wp)
- pdata->gpio_wp = -1;
-
pdata->gpio_cd = of_get_named_gpio(np, "cd-gpios", 0);
- if (!pdata->gpio_cd)
- pdata->gpio_cd = -1;
if (of_get_property(np, "cd-inverted", NULL))
pdata->cd_invert = true;
@@ -1276,6 +1271,12 @@ static int __devinit mmci_probe(struct amba_device *dev,
return -EINVAL;
}
+ if (!plat) {
+ plat = devm_kzalloc(&dev->dev, sizeof(*plat), GFP_KERNEL);
+ if (!plat)
+ return -ENOMEM;
+ }
+
if (np)
mmci_dt_populate_generic_pdata(np, plat);
@@ -1424,6 +1425,10 @@ static int __devinit mmci_probe(struct amba_device *dev,
writel(0, host->base + MMCIMASK1);
writel(0xfff, host->base + MMCICLEAR);
+ if (plat->gpio_cd == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_gpio_cd;
+ }
if (gpio_is_valid(plat->gpio_cd)) {
ret = gpio_request(plat->gpio_cd, DRIVER_NAME " (cd)");
if (ret == 0)
@@ -1447,6 +1452,10 @@ static int __devinit mmci_probe(struct amba_device *dev,
if (ret >= 0)
host->gpio_cd_irq = gpio_to_irq(plat->gpio_cd);
}
+ if (plat->gpio_wp == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_gpio_wp;
+ }
if (gpio_is_valid(plat->gpio_wp)) {
ret = gpio_request(plat->gpio_wp, DRIVER_NAME " (wp)");
if (ret == 0)