diff options
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 3ee9b8d..e717888 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1081,10 +1081,11 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start, IRQ_NOREQUEST | IRQ_NOPROBE, 0); } -static void omap_gpio_chip_init(struct gpio_bank *bank) +static int omap_gpio_chip_init(struct gpio_bank *bank) { int j; static int gpio; + int ret; /* * REVISIT eventually switch from OMAP-specific gpio structs @@ -1110,7 +1111,11 @@ static void omap_gpio_chip_init(struct gpio_bank *bank) } bank->chip.ngpio = bank->width; - gpiochip_add(&bank->chip); + ret = gpiochip_add(&bank->chip); + if (ret) { + dev_err(bank->dev, "Could not register gpio chip\n", ret); + return ret; + } for (j = 0; j < bank->width; j++) { int irq = irq_create_mapping(bank->domain, j); @@ -1139,6 +1144,7 @@ static int omap_gpio_probe(struct platform_device *pdev) struct resource *res; struct gpio_bank *bank; int irq_base = 0; + int ret; match = of_match_device(of_match_ptr(omap_gpio_match), dev); @@ -1223,7 +1229,11 @@ static int omap_gpio_probe(struct platform_device *pdev) mpuio_init(bank); omap_gpio_mod_init(bank); - omap_gpio_chip_init(bank); + + ret = omap_gpio_chip_init(bank); + if (ret) + return ret; + omap_gpio_show_rev(bank); pm_runtime_put(bank->dev); |
