X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-alpha%2Fcore_t2.h;h=90e6b5d6c2143d8ab23e13b596803e52fec1411f;hb=a2e4e108c511738fb3bc2bb2fedd593da9913764;hp=dba70c62a16c0d3a56df6ffebd917983d0367f3b;hpb=bbe5d235ee201705530a7153b57e141cd77d818b;p=powerpc.git

diff --git a/include/asm-alpha/core_t2.h b/include/asm-alpha/core_t2.h
index dba70c62a1..90e6b5d6c2 100644
--- a/include/asm-alpha/core_t2.h
+++ b/include/asm-alpha/core_t2.h
@@ -435,11 +435,17 @@ static inline void t2_outl(u32 b, unsigned long addr)
 	set_hae(msb); \
 }
 
-static spinlock_t t2_hae_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(t2_hae_lock);
+
+/*
+ * NOTE: take T2_DENSE_MEM off in each readX/writeX routine, since
+ *       they may be called directly, rather than through the
+ *       ioreadNN/iowriteNN routines.
+ */
 
 __EXTERN_INLINE u8 t2_readb(const volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long result, msb;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -453,7 +459,7 @@ __EXTERN_INLINE u8 t2_readb(const volatile void __iomem *xaddr)
 
 __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long result, msb;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -471,7 +477,7 @@ __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr)
  */
 __EXTERN_INLINE u32 t2_readl(const volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long result, msb;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -485,7 +491,7 @@ __EXTERN_INLINE u32 t2_readl(const volatile void __iomem *xaddr)
 
 __EXTERN_INLINE u64 t2_readq(const volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long r0, r1, work, msb;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -501,7 +507,7 @@ __EXTERN_INLINE u64 t2_readq(const volatile void __iomem *xaddr)
 
 __EXTERN_INLINE void t2_writeb(u8 b, volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long msb, w;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -515,7 +521,7 @@ __EXTERN_INLINE void t2_writeb(u8 b, volatile void __iomem *xaddr)
 
 __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long msb, w;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -533,7 +539,7 @@ __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr)
  */
 __EXTERN_INLINE void t2_writel(u32 b, volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long msb;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -546,7 +552,7 @@ __EXTERN_INLINE void t2_writel(u32 b, volatile void __iomem *xaddr)
 
 __EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr)
 {
-	unsigned long addr = (unsigned long) xaddr;
+	unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM;
 	unsigned long msb, work;
 	unsigned long flags;
 	spin_lock_irqsave(&t2_hae_lock, flags);
@@ -587,14 +593,14 @@ __EXTERN_INLINE int t2_is_mmio(const volatile void __iomem *addr)
 __EXTERN_INLINE unsigned int t2_ioread##NS(void __iomem *xaddr)		\
 {									\
 	if (t2_is_mmio(xaddr))						\
-		return t2_read##OS(xaddr - T2_DENSE_MEM);		\
+		return t2_read##OS(xaddr);				\
 	else								\
 		return t2_in##OS((unsigned long)xaddr - T2_IO);		\
 }									\
 __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr)	\
 {									\
 	if (t2_is_mmio(xaddr))						\
-		t2_write##OS(b, xaddr - T2_DENSE_MEM);			\
+		t2_write##OS(b, xaddr);					\
 	else								\
 		t2_out##OS(b, (unsigned long)xaddr - T2_IO);		\
 }