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-rw-r--r--arch/arm/mach-u300/gpio.c10
-rw-r--r--arch/arm/mach-u300/include/mach/gpio.h1
-rw-r--r--drivers/mmc/host/mmci.c2
3 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/mach-u300/gpio.c b/arch/arm/mach-u300/gpio.c
index 63c8f27fb15a..0b35826b7d1d 100644
--- a/arch/arm/mach-u300/gpio.c
+++ b/arch/arm/mach-u300/gpio.c
@@ -281,6 +281,16 @@ int gpio_unregister_callback(unsigned gpio)
281} 281}
282EXPORT_SYMBOL(gpio_unregister_callback); 282EXPORT_SYMBOL(gpio_unregister_callback);
283 283
284/* Non-zero means valid */
285int gpio_is_valid(int number)
286{
287 if (number >= 0 &&
288 number < (U300_GPIO_NUM_PORTS * U300_GPIO_PINS_PER_PORT))
289 return 1;
290 return 0;
291}
292EXPORT_SYMBOL(gpio_is_valid);
293
284int gpio_request(unsigned gpio, const char *label) 294int gpio_request(unsigned gpio, const char *label)
285{ 295{
286 if (gpio_pin[gpio].users) 296 if (gpio_pin[gpio].users)
diff --git a/arch/arm/mach-u300/include/mach/gpio.h b/arch/arm/mach-u300/include/mach/gpio.h
index c8174128d7eb..7b1fc984abb6 100644
--- a/arch/arm/mach-u300/include/mach/gpio.h
+++ b/arch/arm/mach-u300/include/mach/gpio.h
@@ -258,6 +258,7 @@
258#define PIN_TO_PORT(val) (val >> 3) 258#define PIN_TO_PORT(val) (val >> 3)
259 259
260/* These can be found in arch/arm/mach-u300/gpio.c */ 260/* These can be found in arch/arm/mach-u300/gpio.c */
261extern int gpio_is_valid(int number);
261extern int gpio_request(unsigned gpio, const char *label); 262extern int gpio_request(unsigned gpio, const char *label);
262extern void gpio_free(unsigned gpio); 263extern void gpio_free(unsigned gpio);
263extern int gpio_direction_input(unsigned gpio); 264extern int gpio_direction_input(unsigned gpio);
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 3d1e5329da12..705a5894a6bb 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -678,7 +678,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
678 writel(0, host->base + MMCIMASK1); 678 writel(0, host->base + MMCIMASK1);
679 writel(0xfff, host->base + MMCICLEAR); 679 writel(0xfff, host->base + MMCICLEAR);
680 680
681#ifdef CONFIG_GPIOLIB
682 if (gpio_is_valid(plat->gpio_cd)) { 681 if (gpio_is_valid(plat->gpio_cd)) {
683 ret = gpio_request(plat->gpio_cd, DRIVER_NAME " (cd)"); 682 ret = gpio_request(plat->gpio_cd, DRIVER_NAME " (cd)");
684 if (ret == 0) 683 if (ret == 0)
@@ -697,7 +696,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
697 else if (ret != -ENOSYS) 696 else if (ret != -ENOSYS)
698 goto err_gpio_wp; 697 goto err_gpio_wp;
699 } 698 }
700#endif
701 699
702 ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host); 700 ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host);
703 if (ret) 701 if (ret)