Commit 5b1e8c00 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Bjorn Helgaas
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PCI: kirin: Disable clkreq during poweroff sequence 

The logic at kirin_pcie_gpio_request() enables some clkreq GPIO lines.
Disable them during power-off.

Link: https://lore.kernel.org/r/f403e590843de1a581cade2d534d34715706f54e.1634812676.git.mchehab+huawei@kernel.org


Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarXiaowei Song <songxiaowei@hisilicon.com>
parent 79cf014b

drivers/pci/controller/dwc/pcie-kirin.c

+3 −0
Original line number Diff line number Diff line
@@ -688,6 +688,9 @@ static int kirin_pcie_power_off(struct kirin_pcie *kirin_pcie) 
	if (kirin_pcie->type == PCIE_KIRIN_INTERNAL_PHY)

		return hi3660_pcie_phy_power_off(kirin_pcie);



	for (i = 0; i < kirin_pcie->n_gpio_clkreq; i++)

		gpio_direction_output(kirin_pcie->gpio_id_clkreq[i], 1);



	phy_power_off(kirin_pcie->phy);

	phy_exit(kirin_pcie->phy);