linux-kernel - [PATCH v5 08/11] PCI: j721e: Add reset GPIO to struct j721e

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Date: Tue, 16 Apr 2024 15:29:57 +0200
From: Thomas Richard <thomas.richard@...tlin.com>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Tony Lindgren <tony@...mide.com>, 
 Aaro Koskinen <aaro.koskinen@....fi>, 
 Janusz Krzysztofik <jmkrzyszt@...il.com>, Vignesh R <vigneshr@...com>, 
 Andi Shyti <andi.shyti@...nel.org>, Peter Rosin <peda@...ntia.se>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Siddharth Vadapalli <s-vadapalli@...com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-omap@...r.kernel.org, linux-i2c@...r.kernel.org, 
 linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 gregory.clement@...tlin.com, theo.lebrun@...tlin.com, 
 thomas.petazzoni@...tlin.com, u-kumar1@...com, 
 Thomas Richard <thomas.richard@...tlin.com>
Subject: [PATCH v5 08/11] PCI: j721e: Add reset GPIO to struct j721e_pcie

From: Théo Lebrun <theo.lebrun@...tlin.com>

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

Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
Signed-off-by: Thomas Richard <thomas.richard@...tlin.com>
---
 drivers/pci/controller/cadence/pci-j721e.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index 98484f001562..9af4fd64c1f9 100644
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/drivers/pci/controller/cadence/pci-j721e.c
@@ -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;
@@ -508,6 +509,7 @@ static int j721e_pcie_probe(struct platform_device *pdev)
 			ret = dev_err_probe(dev, PTR_ERR(gpiod), "Failed to get reset GPIO\n");
 			goto err_get_sync;
 		}
+		pcie->reset_gpio = gpiod;
 
 		ret = cdns_pcie_init_phy(dev, cdns_pcie);
 		if (ret) {

-- 
2.39.2