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| author | Bernard Zhao <bernard@vivo.com> | 2020-05-12 05:31:49 -0700 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2020-05-12 15:11:47 +0200 |
| commit | 108c31e77594561eb239534fe019d971c1f8fe38 (patch) | |
| tree | f009c6b920585acb0bb956dfc3b32bff047e4c5b /drivers/memory | |
| parent | 4bff7214d263b5235263136cb53147a759b3f3ab (diff) | |
| download | lwn-108c31e77594561eb239534fe019d971c1f8fe38.tar.gz lwn-108c31e77594561eb239534fe019d971c1f8fe38.zip | |
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 <bernard@vivo.com>
Acked-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'drivers/memory')
| -rw-r--r-- | drivers/memory/samsung/exynos5422-dmc.c | 6 |
1 files 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; } |