korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-23 20:24:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
This reverts commit 277a036312.

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

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Thomas Bogendoerfer 2024-06-13 10:17:09 +02:00
parent ce5cdd3b05
commit 6e5aee08bd
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/mips/pci/pci-lantiq.c
View File

@ -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;
}