linux-kernel - [PATCH] perf/smmuv3: To simplify code for ioremap page in pmcg

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Message-Id: <20200708112709.19502-1-jkchen@linux.alibaba.com>
Date:   Wed,  8 Jul 2020 19:27:09 +0800
From:   Jay Chen <jkchen@...ux.alibaba.com>
To:     will@...nel.org, mark.rutland@....com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Jay Chen <jkchen@...ux.alibaba.com>
Subject: [PATCH] perf/smmuv3: To simplify code for ioremap page in pmcg

Use the devm_platform_get_and_ioremap_resource to simplify the code
a bit.

Signed-off-by: Jay Chen <jkchen@...ux.alibaba.com>
---
 drivers/perf/arm_smmuv3_pmu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index 48e28ef93a70..2d09f3e47d12 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -755,8 +755,7 @@ static int smmu_pmu_probe(struct platform_device *pdev)
 		.capabilities	= PERF_PMU_CAP_NO_EXCLUDE,
 	};
 
-	res_0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	smmu_pmu->reg_base = devm_ioremap_resource(dev, res_0);
+	smmu_pmu->reg_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res_0);
 	if (IS_ERR(smmu_pmu->reg_base))
 		return PTR_ERR(smmu_pmu->reg_base);
 
-- 
2.27.0