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Samsung SoC drivers changes for v5.8

Browse Source 
Fix and minor cleanup of Exynos5422 DMC (Dynamic Memory Controller)
 driver.
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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: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2020-05-25 23:23:16 +02:00
commit 8468427239
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/memory/samsung/exynos5422-dmc.c
View File

@ -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;
}