linux-kernel - [PATCH v1 1/1] PCI: keystone: Use device_get_match

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Date:   Wed, 28 Jul 2021 13:55:58 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] PCI: keystone: Use device_get_match_data()

Instead of manipulations with OF APIs, use device_get_match_data().

While at it, drop of_match_ptr() completely and make compiler happy,
otherwise it complains:

  pci-keystone.c:1069:34: warning: ‘ks_pcie_of_match’ defined but not used [-Wunused-const-variable=]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/pci/controller/dwc/pci-keystone.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index bde3b2824e89..f36ea618a248 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -24,6 +24,7 @@
 #include <linux/of_pci.h>
 #include <linux/phy/phy.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 #include <linux/resource.h>
 #include <linux/signal.h>
@@ -1091,7 +1092,6 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
 	const struct ks_pcie_of_data *data;
-	const struct of_device_id *match;
 	enum dw_pcie_device_mode mode;
 	struct dw_pcie *pci;
 	struct keystone_pcie *ks_pcie;
@@ -1108,8 +1108,7 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
 	int irq;
 	int i;
 
-	match = of_match_device(of_match_ptr(ks_pcie_of_match), dev);
-	data = (struct ks_pcie_of_data *)match->data;
+	data = device_get_match_data(dev);
 	if (!data)
 		return -EINVAL;
 
@@ -1309,7 +1308,7 @@ static struct platform_driver ks_pcie_driver __refdata = {
 	.remove = __exit_p(ks_pcie_remove),
 	.driver = {
 		.name	= "keystone-pcie",
-		.of_match_table = of_match_ptr(ks_pcie_of_match),
+		.of_match_table = ks_pcie_of_match,
 	},
 };
 builtin_platform_driver(ks_pcie_driver);
-- 
2.30.2