summaryrefslogtreecommitdiffstats
path: root/drivers/mmc/host/mmci.c
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2012-07-30 09:03:10 +0200
committerJens Axboe <axboe@kernel.dk>2012-07-30 09:03:10 +0200
commit72ea1f74fcdf874cca6d2c0962379523bbd99e2c (patch)
tree4c67be6c73356086ff44ef1b8b1c9479702689ca /drivers/mmc/host/mmci.c
parentb1af9be5ef77898c05667bb9dbf3b180d91d3292 (diff)
parenta73ff3231df59a4b92ccd0dd4e73897c5822489b (diff)
Merge branch 'for-jens' of git://git.drbd.org/linux-drbd into for-3.6/drivers
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 f0fcce40cd8..50ff19a6236 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)