perf: xgene_pmu: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Link: https://lore.kernel.org/r/20230704093556.17926-1-frank.li@vivo.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 0c32dff..9972bfc 100644 (file)
--- 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);