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

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2011-09-19 15:31:58 +08:00 committed by Arnd Bergmann
parent 8a7a49d18b
commit 3285e0ec08
1 changed files with 7 additions and 7 deletions
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14
drivers/usb/gadget/at91_udc.c
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@ -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);