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authorRoland Stigge <stigge@antcom.de>2012-06-18 11:28:26 +0200
committerLinus Walleij <linus.walleij@linaro.org>2012-07-05 15:02:18 +0200
commit42b14cb037fefa33a2ff51c4d3915a49c71de3d5 (patch)
tree5accb630636ab2ce17de936e694bc3404b6fed55 /arch
parent3996bfc787a3b3d7c7ad97b7519247f9f2ac4068 (diff)
downloadlinux-42b14cb037fefa33a2ff51c4d3915a49c71de3d5.tar.bz2
mips: pci-lantiq: Fix check for valid gpio
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/pci/pci-lantiq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index ea453532a33c..075d87acd12a 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -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);