Merge branch 'stable-3.2' into pandora-3.2

[pandora-kernel.git] / arch / arm / mm / cache-l2x0.c

diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index b1e192b..db7bcc0 100644 (file)
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -32,6 +32,7 @@ static void __iomem *l2x0_base;
 static DEFINE_RAW_SPINLOCK(l2x0_lock);
 static uint32_t l2x0_way_mask; /* Bitmask of active ways */
 static uint32_t l2x0_size;
+static unsigned long sync_reg_offset = L2X0_CACHE_SYNC;
 
 struct l2x0_regs l2x0_saved_regs;
 
@@ -61,12 +62,7 @@ static inline void cache_sync(void)
 {
        void __iomem *base = l2x0_base;
 
-#ifdef CONFIG_PL310_ERRATA_753970
-       /* write to an unmmapped register */
-       writel_relaxed(0, base + L2X0_DUMMY_REG);
-#else
-       writel_relaxed(0, base + L2X0_CACHE_SYNC);
-#endif
+       writel_relaxed(0, base + sync_reg_offset);
        cache_wait(base + L2X0_CACHE_SYNC, 1);
 }
 
@@ -85,10 +81,13 @@ static inline void l2x0_inv_line(unsigned long addr)
 }
 
 #if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915)
+static inline void debug_writel(unsigned long val)
+{
+       if (outer_cache.set_debug)
+               outer_cache.set_debug(val);
+}
 
-#define debug_writel(val)      outer_cache.set_debug(val)
-
-static void l2x0_set_debug(unsigned long val)
+static void pl310_set_debug(unsigned long val)
 {
        writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL);
 }
@@ -98,7 +97,7 @@ static inline void debug_writel(unsigned long val)
 {
 }
 
-#define l2x0_set_debug NULL
+#define pl310_set_debug        NULL
 #endif
 
 #ifdef CONFIG_PL310_ERRATA_588369
@@ -331,6 +330,11 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
                else
                        ways = 8;
                type = "L310";
+#ifdef CONFIG_PL310_ERRATA_753970
+               /* Unmapped register. */
+               sync_reg_offset = L2X0_DUMMY_REG;
+#endif
+               outer_cache.set_debug = pl310_set_debug;
                break;
        case L2X0_CACHE_ID_PART_L210:
                ways = (aux >> 13) & 0xf;
@@ -379,7 +383,6 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
        outer_cache.flush_all = l2x0_flush_all;
        outer_cache.inv_all = l2x0_inv_all;
        outer_cache.disable = l2x0_disable;
-       outer_cache.set_debug = l2x0_set_debug;
 
        printk(KERN_INFO "%s cache controller enabled\n", type);
        printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n",