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Commit 42b14cb0 authored by Roland Stigge's avatar Roland Stigge Committed by Linus Walleij
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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: default avatarRoland Stigge <stigge@antcom.de>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 3996bfc7

arch/mips/pci/pci-lantiq.c

+2 −2
Original line number Diff line number Diff line
@@ -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);