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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-09-05 10:22:45 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-09-05 10:22:45 -0400
commit593d0a3e9f813db910dc50574532914db21d09ff (patch)
tree12d8413ee57b4383ca8c906996ffe02be6d377a5 /drivers/mmc/host/mmci.c
parent50e900417b8096939d12a46848f965e27a905e36 (diff)
parent4cb38750d49010ae72e718d46605ac9ba5a851b4 (diff)
Merge commit '4cb38750d49010ae72e718d46605ac9ba5a851b4' into stable/for-linus-3.6
* commit '4cb38750d49010ae72e718d46605ac9ba5a851b4': (6849 commits) bcma: fix invalid PMU chip control masks [libata] pata_cmd64x: whitespace cleanup libata-acpi: fix up for acpi_pm_device_sleep_state API sata_dwc_460ex: device tree may specify dma_channel ahci, trivial: fixed coding style issues related to braces ahci_platform: add hibernation callbacks libata-eh.c: local functions should not be exposed globally libata-transport.c: local functions should not be exposed globally sata_dwc_460ex: support hardreset ata: use module_pci_driver drivers/ata/pata_pcmcia.c: adjust suspicious bit operation pata_imx: Convert to clk_prepare_enable/clk_disable_unprepare ahci: Enable SB600 64bit DMA on MSI K9AGM2 (MS-7327) v2 [libata] Prevent interface errors with Seagate FreeAgent GoFlex drivers/acpi/glue: revert accidental license-related 6b66d95895c bits libata-acpi: add missing inlines in libata.h i2c-omap: Add support for I2C_M_STOP message flag i2c: Fall back to emulated SMBus if the operation isn't supported natively i2c: Add SCCB support i2c-tiny-usb: Add support for the Robofuzz OSIF USB/I2C converter ...
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)