drivers/perf: arm_dsu_pmu: Avoid duplicate printouts

platform_get_irq() already screams on failure, so the redundant call to
dev_err() can be removed.

Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20200402115940.4928-1-tangbin@cmss.chinamobile.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 70968c8..518d060 100644 (file)
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -690,10 +690,8 @@ static int dsu_pmu_device_probe(struct platform_device *pdev)
        }
 
        irq = platform_get_irq(pdev, 0);
-       if (irq < 0) {
-               dev_warn(&pdev->dev, "Failed to find IRQ\n");
+       if (irq < 0)
                return -EINVAL;
-       }
 
        name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_%d",
                                PMUNAME, atomic_inc_return(&pmu_idx));