ARM: at91/udc: use gpio_is_valid to check the gpio

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 8efe0fa9228dc737f1623fd18cf8e4411208f67b..1ed56d8492d7366adc965d99800a85e58bc6bbe7 100644 (file)
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1748,7 +1748,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
 
        /* rm9200 needs manual D+ pullup; off by default */
        if (cpu_is_at91rm9200()) {
-               if (udc->board.pullup_pin <= 0) {
+               if (gpio_is_valid(udc->board.pullup_pin)) {
                        DBG("no D+ pullup?\n");
                        retval = -ENODEV;
                        goto fail0;
@@ -1815,7 +1815,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
                DBG("request irq %d failed\n", udc->udp_irq);
                goto fail1;
        }
-       if (udc->board.vbus_pin > 0) {
+       if (gpio_is_valid(udc->board.vbus_pin)) {
                retval = gpio_request(udc->board.vbus_pin, "udc_vbus");
                if (retval < 0) {
                        DBG("request vbus pin failed\n");
@@ -1859,10 +1859,10 @@ static int __init at91udc_probe(struct platform_device *pdev)
        INFO("%s version %s\n", driver_name, DRIVER_VERSION);
        return 0;
 fail4:
-       if (udc->board.vbus_pin > 0 && !udc->board.vbus_polled)
+       if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled)
                free_irq(udc->board.vbus_pin, udc);
 fail3:
-       if (udc->board.vbus_pin > 0)
+       if (gpio_is_valid(udc->board.vbus_pin))
                gpio_free(udc->board.vbus_pin);
 fail2:
        free_irq(udc->udp_irq, udc);
@@ -1897,7 +1897,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
 
        device_init_wakeup(&pdev->dev, 0);
        remove_debug_file(udc);
-       if (udc->board.vbus_pin > 0) {
+       if (gpio_is_valid(udc->board.vbus_pin)) {
                free_irq(udc->board.vbus_pin, udc);
                gpio_free(udc->board.vbus_pin);
        }
@@ -1941,7 +1941,7 @@ static int at91udc_suspend(struct platform_device *pdev, pm_message_t mesg)
                enable_irq_wake(udc->udp_irq);
 
        udc->active_suspend = wake;
-       if (udc->board.vbus_pin > 0 && !udc->board.vbus_polled && wake)
+       if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled && wake)
                enable_irq_wake(udc->board.vbus_pin);
        return 0;
 }
@@ -1951,7 +1951,7 @@ static int at91udc_resume(struct platform_device *pdev)
        struct at91_udc *udc = platform_get_drvdata(pdev);
        unsigned long   flags;
 
-       if (udc->board.vbus_pin > 0 && !udc->board.vbus_polled &&
+       if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled &&
            udc->active_suspend)
                disable_irq_wake(udc->board.vbus_pin);