ARM: 6473/1: Small update to ux500 specific L2 cache code

This change updates the ux500 specific outer cache code to use
the new *_relaxed() I/O accessors.

Signed-off-by: Per Fransson <per.xx.fransson@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index 73fb1a5..608a137 100644 (file)
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -75,14 +75,14 @@ void __init ux500_init_irq(void)
 static inline void ux500_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 ux500_cache_sync(void)
 {
        void __iomem *base = __io_address(UX500_L2CC_BASE);
-       writel(0, base + L2X0_CACHE_SYNC);
+       writel_relaxed(0, base + L2X0_CACHE_SYNC);
        ux500_cache_wait(base + L2X0_CACHE_SYNC, 1);
 }
 
@@ -107,7 +107,7 @@ static void ux500_l2x0_inv_all(void)
        uint32_t l2x0_way_mask = (1<<16) - 1;   /* Bitmask of active ways */
 
        /* invalidate all ways */
-       writel(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
+       writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY);
        ux500_cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask);
        ux500_cache_sync();
 }