From 108c31e77594561eb239534fe019d971c1f8fe38 Mon Sep 17 00:00:00 2001 From: Bernard Zhao Date: Tue, 12 May 2020 05:31:49 -0700 Subject: [PATCH] memory: samsung: exynos5422-dmc: Reduce protected code area in IRQ handler Speed-up a bit this IRQ processing as there is no need to protect return value or printing. Signed-off-by: Bernard Zhao Acked-by: Lukasz Luba Signed-off-by: Krzysztof Kozlowski --- drivers/memory/samsung/exynos5422-dmc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 22a43d662833..25196d6268e2 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -1346,15 +1346,13 @@ static irqreturn_t dmc_irq_thread(int irq, void *priv) struct exynos5_dmc *dmc = priv; mutex_lock(&dmc->df->lock); - exynos5_dmc_perf_events_check(dmc); - res = update_devfreq(dmc->df); + mutex_unlock(&dmc->df->lock); + if (res) dev_warn(dmc->dev, "devfreq failed with %d\n", res); - mutex_unlock(&dmc->df->lock); - return IRQ_HANDLED; }