Merge tag 'samsung-drivers-5.8' of... (84684272) · Commits · 戴 / test

Merge tag 'samsung-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/drivers Samsung SoC drivers changes for v5.8 Fix and minor cleanup of Exynos5422 DMC (Dynamic Memory Controller) driver. * tag 'samsung-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: memory: samsung: exynos5422-dmc: Reduce protected code area in IRQ handler memory: samsung: exynos5422-dmc: Fix tFAW timings alignment Link: https://lore.kernel.org/r/20200519070111.6265-1-krzk@kernel.org Signed-off-by:

drivers/memory/samsung/exynos5422-dmc.c

+3 −5

Original line number	Diff line number	Diff line
		@@ -1091,7 +1091,7 @@ static int create_timings_aligned(struct exynos5_dmc dmc, u32 reg_timing_row,
		/* power related timings */
		val = dmc->timings->tFAW / clk_period_ps;
		val += dmc->timings->tFAW % clk_period_ps ? 1 : 0;
		val = max(val, dmc->min_tck->tXP);
		val = max(val, dmc->min_tck->tFAW);
		reg = &timing_power[0];
		*reg_timing_power \|= TIMING_VAL2REG(reg, val);

		@@ -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;
		}