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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: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Xiaowei Song <songxiaowei@hisilicon.com>
This commit is contained in:
Mauro Carvalho Chehab 2021-10-21 11:45:18 +01:00 committed by Bjorn Helgaas
parent 79cf014bf3
commit 5b1e8c00af
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/controller/dwc/pcie-kirin.c
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@ -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);