[PATCH v15 11/13] PCI: kirin: Disable clkreq during poweroff sequence

From: Mauro Carvalho Chehab
Date: Thu Oct 21 2021 - 06:45:49 EST


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

Acked-by: Xiaowei Song <songxiaowei@xxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---

To mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH v15 00/13] at: https://lore.kernel.org/all/cover.1634812676.git.mchehab+huawei@xxxxxxxxxx/

drivers/pci/controller/dwc/pcie-kirin.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
index f4ea27b37968..4c3fa02b7108 100644
--- a/drivers/pci/controller/dwc/pcie-kirin.c
+++ b/drivers/pci/controller/dwc/pcie-kirin.c
@@ -687,6 +687,9 @@ 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);

--
2.31.1