[RFC PATCH 13/15] memory: samsung: endian fixes for IO
From: Matthew Leach <hidden>
Date: 2016-06-08 18:32:55
Also in:
linux-samsung-soc, lkml
Subsystem:
arm/samsung s3c, s5p and exynos arm architectures, memory controller drivers, the rest · Maintainers:
Krzysztof Kozlowski, Linus Torvalds
From: Ben Dooks <redacted> Use the relaxed versions of the IO accessors to avoid any issues if running in big endian. Signed-off-by: Ben Dooks <redacted> --- Cc: Pavel Fedin <redacted> Cc: Krzysztof Kozlowski <redacted> Cc: Pankaj Dubey <redacted> Cc: linux-arm-kernel at lists.codethink.co.uk --- drivers/memory/samsung/exynos-srom.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/memory/samsung/exynos-srom.c b/drivers/memory/samsung/exynos-srom.c
index 96756fb..ac8f79c 100644
--- a/drivers/memory/samsung/exynos-srom.c
+++ b/drivers/memory/samsung/exynos-srom.c@@ -91,11 +91,11 @@ 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); + writel_relaxed(bw, srom->reg_base + EXYNOS_SROM_BW); - __raw_writel(pmc | (timing[0] << EXYNOS_SROM_BCX__TACP__SHIFT) | + 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) |
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2.8.3