diff options
author | Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
commit | 72ea1f74fcdf874cca6d2c0962379523bbd99e2c (patch) | |
tree | 4c67be6c73356086ff44ef1b8b1c9479702689ca /drivers/mmc/host/mmci.c | |
parent | b1af9be5ef77898c05667bb9dbf3b180d91d3292 (diff) | |
parent | a73ff3231df59a4b92ccd0dd4e73897c5822489b (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.c | 19 |
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) |