linux-kernel - [PATCH v2 03/23] PCI: cadence: Prefer of_device_get_match

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Message-Id: <20211223011054.1227810-4-helgaas@kernel.org>
Date:   Wed, 22 Dec 2021 19:10:34 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     linux-pci@...r.kernel.org, Fan Fei <ffclaire1224@...il.com>
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Tom Joseph <tjoseph@...ence.com>
Subject: [PATCH v2 03/23] PCI: cadence: Prefer of_device_get_match_data()

From: Fan Fei <ffclaire1224@...il.com>

The cadence driver only needs the device data, not the whole struct
of_device_id.  Use of_device_get_match_data() instead of of_match_device().
No functional change intended.

[bhelgaas: commit log]
Signed-off-by: Fan Fei <ffclaire1224@...il.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Tom Joseph <tjoseph@...ence.com>
---
 drivers/pci/controller/cadence/pcie-cadence-plat.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/cadence/pcie-cadence-plat.c b/drivers/pci/controller/cadence/pcie-cadence-plat.c
index a224afadbcc0..bac0541317c1 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-plat.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-plat.c
@@ -45,7 +45,6 @@ static int cdns_plat_pcie_probe(struct platform_device *pdev)
 {
 	const struct cdns_plat_pcie_of_data *data;
 	struct cdns_plat_pcie *cdns_plat_pcie;
-	const struct of_device_id *match;
 	struct device *dev = &pdev->dev;
 	struct pci_host_bridge *bridge;
 	struct cdns_pcie_ep *ep;
@@ -54,11 +53,10 @@ static int cdns_plat_pcie_probe(struct platform_device *pdev)
 	bool is_rc;
 	int ret;
 
-	match = of_match_device(cdns_plat_pcie_of_match, dev);
-	if (!match)
+	data = of_device_get_match_data(dev);
+	if (!data)
 		return -EINVAL;
 
-	data = (struct cdns_plat_pcie_of_data *)match->data;
 	is_rc = data->is_rc;
 
 	pr_debug(" Started %s with is_rc: %d\n", __func__, is_rc);
-- 
2.25.1