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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 21:42:58 +0400 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 21:42:58 +0400 |
commit | e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch) | |
tree | 1db5a0540a4eecfad9b7daee476b985e82ddc810 /arch/arm/mm/cache-l2x0.c | |
parent | ec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff) | |
parent | b2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff) | |
download | linux-e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a.tar.xz |
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I
suspect now need another rename.
Conflicts:
arch/arm/mach-mx2/clock_imx27.c
arch/arm/mach-mx2/devices.c
arch/arm/mach-omap2/board-rx51-peripherals.c
arch/arm/mach-omap2/board-zoom2.c
sound/soc/fsl/mpc5200_dma.c
sound/soc/fsl/mpc5200_dma.h
sound/soc/fsl/mpc8610_hpcd.c
sound/soc/pxa/spitz.c
Diffstat (limited to 'arch/arm/mm/cache-l2x0.c')
-rw-r--r-- | arch/arm/mm/cache-l2x0.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 9819869d2bc9..9982eb385c0f 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -32,14 +32,14 @@ static uint32_t l2x0_way_mask; /* Bitmask of active ways */ static inline void cache_wait(void __iomem *reg, unsigned long mask) { /* wait for the operation to complete */ - while (readl(reg) & mask) + while (readl_relaxed(reg) & mask) ; } static inline void cache_sync(void) { void __iomem *base = l2x0_base; - writel(0, base + L2X0_CACHE_SYNC); + writel_relaxed(0, base + L2X0_CACHE_SYNC); cache_wait(base + L2X0_CACHE_SYNC, 1); } @@ -47,14 +47,14 @@ static inline void l2x0_clean_line(unsigned long addr) { void __iomem *base = l2x0_base; cache_wait(base + L2X0_CLEAN_LINE_PA, 1); - writel(addr, base + L2X0_CLEAN_LINE_PA); + writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); } static inline void l2x0_inv_line(unsigned long addr) { void __iomem *base = l2x0_base; cache_wait(base + L2X0_INV_LINE_PA, 1); - writel(addr, base + L2X0_INV_LINE_PA); + writel_relaxed(addr, base + L2X0_INV_LINE_PA); } #ifdef CONFIG_PL310_ERRATA_588369 @@ -75,9 +75,9 @@ static inline void l2x0_flush_line(unsigned long addr) /* Clean by PA followed by Invalidate by PA */ cache_wait(base + L2X0_CLEAN_LINE_PA, 1); - writel(addr, base + L2X0_CLEAN_LINE_PA); + writel_relaxed(addr, base + L2X0_CLEAN_LINE_PA); cache_wait(base + L2X0_INV_LINE_PA, 1); - writel(addr, base + L2X0_INV_LINE_PA); + writel_relaxed(addr, base + L2X0_INV_LINE_PA); } #else @@ -90,7 +90,7 @@ static inline void l2x0_flush_line(unsigned long addr) { void __iomem *base = l2x0_base; cache_wait(base + L2X0_CLEAN_INV_LINE_PA, 1); - writel(addr, base + L2X0_CLEAN_INV_LINE_PA); + writel_relaxed(addr, base + L2X0_CLEAN_INV_LINE_PA); } #endif @@ -109,7 +109,7 @@ static inline void l2x0_inv_all(void) /* invalidate all ways */ spin_lock_irqsave(&l2x0_lock, flags); - writel(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); + writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask); cache_sync(); spin_unlock_irqrestore(&l2x0_lock, flags); @@ -215,8 +215,11 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) l2x0_base = base; - cache_id = readl(l2x0_base + L2X0_CACHE_ID); - aux = readl(l2x0_base + L2X0_AUX_CTRL); + cache_id = readl_relaxed(l2x0_base + L2X0_CACHE_ID); + aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); + + aux &= aux_mask; + aux |= aux_val; /* Determine the number of ways */ switch (cache_id & L2X0_CACHE_ID_PART_MASK) { @@ -245,17 +248,15 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) * If you are booting from non-secure mode * accessing the below registers will fault. */ - if (!(readl(l2x0_base + L2X0_CTRL) & 1)) { + if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) { /* l2x0 controller is disabled */ - aux &= aux_mask; - aux |= aux_val; - writel(aux, l2x0_base + L2X0_AUX_CTRL); + writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL); l2x0_inv_all(); /* enable L2X0 */ - writel(1, l2x0_base + L2X0_CTRL); + writel_relaxed(1, l2x0_base + L2X0_CTRL); } outer_cache.inv_range = l2x0_inv_range; |