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PCI: j721e: Add reset GPIO to struct j721e_pcie

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BugLink: https://bugs.launchpad.net/bugs/2101915

[ Upstream commit b8600b8791cb2b7c8be894846b1ecddba7291680 ]

Add reset GPIO to struct j721e_pcie, so it can be used at suspend and
resume stages.

Link: https://lore.kernel.org/linux-pci/20240102-j7200-pcie-s2r-v7-4-a2f9156da6c3@bootlin.com
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Stable-dep-of: 22a9120479a4 ("PCI: j721e: Deassert PERST# after a delay of PCIE_T_PVPERL_MS milliseconds")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Théo Lebrun
2025-03-11 08:51:19 +09:00
committed by Stefan Bader
parent e040c447a6
commit 870285ff5a
1 changed files with 2 additions and 0 deletions
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drivers/pci/controller/cadence/pci-j721e.c
+2
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@@ -52,6 +52,7 @@ struct j721e_pcie {
u32 mode;
u32 num_lanes;
u32 max_lanes;
struct gpio_desc *reset_gpio;
void __iomem *user_cfg_base;
void __iomem *intd_cfg_base;
u32 linkdown_irq_regfield;
@@ -510,6 +511,7 @@ static int j721e_pcie_probe(struct platform_device *pdev)
dev_err(dev, "Failed to get reset GPIO\n");
goto err_get_sync;
}
pcie->reset_gpio = gpiod;
ret = cdns_pcie_init_phy(dev, cdns_pcie);
if (ret) {