linux-kernel - [PATCH] perf: xgene_pmu: Convert to devm_platform_ioremap

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Date:   Tue,  4 Jul 2023 17:35:55 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Khuong Dinh <khuong@...amperecomputing.com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Yangtao Li <frank.li@...o.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] perf: xgene_pmu: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 drivers/perf/xgene_pmu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 0c32dffc7ede..9972bfc11a5c 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1833,7 +1833,6 @@ static int xgene_pmu_probe(struct platform_device *pdev)
 	const struct xgene_pmu_data *dev_data;
 	const struct of_device_id *of_id;
 	struct xgene_pmu *xgene_pmu;
-	struct resource *res;
 	int irq, rc;
 	int version;
 
@@ -1883,8 +1882,7 @@ static int xgene_pmu_probe(struct platform_device *pdev)
 	xgene_pmu->version = version;
 	dev_info(&pdev->dev, "X-Gene PMU version %d\n", xgene_pmu->version);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	xgene_pmu->pcppmu_csr = devm_ioremap_resource(&pdev->dev, res);
+	xgene_pmu->pcppmu_csr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(xgene_pmu->pcppmu_csr)) {
 		dev_err(&pdev->dev, "ioremap failed for PCP PMU resource\n");
 		return PTR_ERR(xgene_pmu->pcppmu_csr);
-- 
2.39.0