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| author | Bernard Zhao <bernard@vivo.com> | 2020-05-07 13:45:14 +0200 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2020-05-08 16:46:41 +0200 |
| commit | 4bff7214d263b5235263136cb53147a759b3f3ab (patch) | |
| tree | b581945ec82556b3d79c6c8f56d5e592a5a60074 /drivers/memory | |
| parent | Linux 5.7-rc1 (diff) | |
| download | linux-4bff7214d263b5235263136cb53147a759b3f3ab.tar.xz linux-4bff7214d263b5235263136cb53147a759b3f3ab.zip | |
memory: samsung: exynos5422-dmc: Fix tFAW timings alignment
Aligning of tFAW timing with standard was using wrong argument as
minimum acceptable value. This could lead to wrong timing if provided
timings and clock period do not match the standard.
Fixes: 6e7674c3c6df ("memory: Add DMC driver for Exynos5422")
Cc: <stable@vger.kernel.org>
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Reviewed-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 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 81a1b1d01683..22a43d662833 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -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); |