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| author | Ben Dooks <ben.dooks@codethink.co.uk> | 2016-06-17 18:08:10 +0100 |
|---|---|---|
| committer | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2016-06-20 09:43:34 +0200 |
| commit | cbf73175ebcee4d705cfcb1a467b6bdc893dea36 (patch) | |
| tree | e6391b8eaf87042613c089af921edfe2a4161681 /drivers/memory | |
| parent | 9479f7cc91879c6ba75e70da41c4c9fe7842b342 (diff) | |
| download | lwn-cbf73175ebcee4d705cfcb1a467b6bdc893dea36.tar.gz lwn-cbf73175ebcee4d705cfcb1a467b6bdc893dea36.zip | |
memory: samsung: endian fixes for IO
Use the relaxed versions of the IO accessors to avoid any issues
if running in big endian.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'drivers/memory')
| -rw-r--r-- | drivers/memory/samsung/exynos-srom.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/memory/samsung/exynos-srom.c b/drivers/memory/samsung/exynos-srom.c index 96756fb4d6bd..5714bdf447fa 100644 --- a/drivers/memory/samsung/exynos-srom.c +++ b/drivers/memory/samsung/exynos-srom.c @@ -91,17 +91,17 @@ static int exynos_srom_configure_bank(struct exynos_srom *srom, if (width == 2) cs |= 1 << EXYNOS_SROM_BW__DATAWIDTH__SHIFT; - bw = __raw_readl(srom->reg_base + EXYNOS_SROM_BW); + bw = readl_relaxed(srom->reg_base + EXYNOS_SROM_BW); bw = (bw & ~(EXYNOS_SROM_BW__CS_MASK << bank)) | (cs << bank); - __raw_writel(bw, srom->reg_base + EXYNOS_SROM_BW); - - __raw_writel(pmc | (timing[0] << EXYNOS_SROM_BCX__TACP__SHIFT) | - (timing[1] << EXYNOS_SROM_BCX__TCAH__SHIFT) | - (timing[2] << EXYNOS_SROM_BCX__TCOH__SHIFT) | - (timing[3] << EXYNOS_SROM_BCX__TACC__SHIFT) | - (timing[4] << EXYNOS_SROM_BCX__TCOS__SHIFT) | - (timing[5] << EXYNOS_SROM_BCX__TACS__SHIFT), - srom->reg_base + EXYNOS_SROM_BC0 + bank); + writel_relaxed(bw, srom->reg_base + EXYNOS_SROM_BW); + + writel_relaxed(pmc | (timing[0] << EXYNOS_SROM_BCX__TACP__SHIFT) | + (timing[1] << EXYNOS_SROM_BCX__TCAH__SHIFT) | + (timing[2] << EXYNOS_SROM_BCX__TCOH__SHIFT) | + (timing[3] << EXYNOS_SROM_BCX__TACC__SHIFT) | + (timing[4] << EXYNOS_SROM_BCX__TCOS__SHIFT) | + (timing[5] << EXYNOS_SROM_BCX__TACS__SHIFT), + srom->reg_base + EXYNOS_SROM_BC0 + bank); return 0; } |