perf: xgene: use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index 7e328d6..46ee680 100644 (file)
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1282,25 +1282,21 @@ static int acpi_pmu_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu,
                                             struct platform_device *pdev)
 {
        void __iomem *csw_csr, *mcba_csr, *mcbb_csr;
-       struct resource *res;
        unsigned int reg;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-       csw_csr = devm_ioremap_resource(&pdev->dev, res);
+       csw_csr = devm_platform_ioremap_resource(pdev, 1);
        if (IS_ERR(csw_csr)) {
                dev_err(&pdev->dev, "ioremap failed for CSW CSR resource\n");
                return PTR_ERR(csw_csr);
        }
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
-       mcba_csr = devm_ioremap_resource(&pdev->dev, res);
+       mcba_csr = devm_platform_ioremap_resource(pdev, 2);
        if (IS_ERR(mcba_csr)) {
                dev_err(&pdev->dev, "ioremap failed for MCBA CSR resource\n");
                return PTR_ERR(mcba_csr);
        }
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 3);
-       mcbb_csr = devm_ioremap_resource(&pdev->dev, res);
+       mcbb_csr = devm_platform_ioremap_resource(pdev, 3);
        if (IS_ERR(mcbb_csr)) {
                dev_err(&pdev->dev, "ioremap failed for MCBB CSR resource\n");
                return PTR_ERR(mcbb_csr);
@@ -1332,13 +1328,11 @@ static int acpi_pmu_v3_probe_active_mcb_mcu_l3c(struct xgene_pmu *xgene_pmu,
                                                struct platform_device *pdev)
 {
        void __iomem *csw_csr;
-       struct resource *res;
        unsigned int reg;
        u32 mcb0routing;
        u32 mcb1routing;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-       csw_csr = devm_ioremap_resource(&pdev->dev, res);
+       csw_csr = devm_platform_ioremap_resource(pdev, 1);
        if (IS_ERR(csw_csr)) {
                dev_err(&pdev->dev, "ioremap failed for CSW CSR resource\n");
                return PTR_ERR(csw_csr);