Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 3540/1: ixp23xx: deal with gap in interrupt bitmasks
  [ARM] 3539/1: ixp23xx: fix __arch_ixp23xx_is_coherent() for A1 stepping

2 files changed, 16 insertions, 4 deletions

diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index 092ee12ced42..affd1d5d7440 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -178,8 +178,12 @@ static int ixp23xx_irq_set_type(unsigned int irq, unsigned int type)
 
 static void ixp23xx_irq_mask(unsigned int irq)
 {
-        volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+        volatile unsigned long *intr_reg;
 
+        if (irq >= 56)
+                irq += 8;
+
+        intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
         *intr_reg &= ~(1 << (irq % 32));
 }
 
@@ -199,17 +203,25 @@ static void ixp23xx_irq_ack(unsigned int irq)
  */
 static void ixp23xx_irq_level_unmask(unsigned int irq)
 {
-        volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+        volatile unsigned long *intr_reg;
 
         ixp23xx_irq_ack(irq);
 
+        if (irq >= 56)
+                irq += 8;
+
+        intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
         *intr_reg |= (1 << (irq % 32));
 }
 
 static void ixp23xx_irq_edge_unmask(unsigned int irq)
 {
-        volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+        volatile unsigned long *intr_reg;
+
+        if (irq >= 56)
+                irq += 8;
 
+        intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
         *intr_reg |= (1 << (irq % 32));
 }
 
diff --git a/include/asm-arm/arch-ixp23xx/memory.h b/include/asm-arm/arch-ixp23xx/memory.h
index 6e19f46d54d1..c85fc06a043c 100644
--- a/include/asm-arm/arch-ixp23xx/memory.h
+++ b/include/asm-arm/arch-ixp23xx/memory.h
@@ -49,7 +49,7 @@ static inline int __ixp23xx_arch_is_coherent(void)
 {
         extern unsigned int processor_id;
 
-        if (((processor_id & 15) >= 2) || machine_is_roadrunner())
+        if (((processor_id & 15) >= 4) || machine_is_roadrunner())
                 return 1;
 
         return 0;