Commit 6e5aee08 authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer
Browse files

Revert "MIPS: pci: lantiq: restore reset gpio polarity" 



This reverts commit 277a0363.

While fixing old boards with broken DTs, this change will break
newer ones with correct gpio polarity annotation.

Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent ce5cdd3b

arch/mips/pci/pci-lantiq.c

+4 −4
Original line number Diff line number Diff line
@@ -124,14 +124,14 @@ static int ltq_pci_startup(struct platform_device *pdev) 
		clk_disable(clk_external);



	/* setup reset gpio used by pci */

	reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_ASIS);

	reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset",

					     GPIOD_OUT_LOW);

	error = PTR_ERR_OR_ZERO(reset_gpio);

	if (error) {

		dev_err(&pdev->dev, "failed to request gpio: %d\n", error);

		return error;

	}

	gpiod_set_consumer_name(reset_gpio, "pci_reset");

	gpiod_direction_output(reset_gpio, 1);



	/* enable auto-switching between PCI and EBU */

	ltq_pci_w32(0xa, PCI_CR_CLK_CTRL);
@@ -194,10 +194,10 @@ static int ltq_pci_startup(struct platform_device *pdev) 


	/* toggle reset pin */

	if (reset_gpio) {

		gpiod_set_value_cansleep(reset_gpio, 0);

		gpiod_set_value_cansleep(reset_gpio, 1);

		wmb();

		mdelay(1);

		gpiod_set_value_cansleep(reset_gpio, 1);

		gpiod_set_value_cansleep(reset_gpio, 0);

	}

	return 0;

}