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mips: pci-lantiq: Fix check for valid gpio

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This patch fixes two checks for valid gpio number, formerly (wrongly)
considering zero as invalid, now using gpio_is_valid().

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Roland Stigge 2012-06-18 11:28:26 +02:00 committed by Linus Walleij
parent 3996bfc787
commit 42b14cb037
1 changed files with 2 additions and 2 deletions
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4
arch/mips/pci/pci-lantiq.c
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@ -129,7 +129,7 @@ static int __devinit ltq_pci_startup(struct platform_device *pdev)
/* setup reset gpio used by pci */
reset_gpio = of_get_named_gpio(node, "gpio-reset", 0);
if (reset_gpio > 0)
if (gpio_is_valid(reset_gpio))
devm_gpio_request(&pdev->dev, reset_gpio, "pci-reset");
/* enable auto-switching between PCI and EBU */
@ -192,7 +192,7 @@ static int __devinit ltq_pci_startup(struct platform_device *pdev)
ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_PCC_IEN) | 0x10, LTQ_EBU_PCC_IEN);
/* toggle reset pin */
if (reset_gpio > 0) {
if (gpio_is_valid(reset_gpio)) {
__gpio_set_value(reset_gpio, 0);
wmb();
mdelay(1);