[PATCH] powerpc: remove io_page_mask

Cleanup patch which removes the io_page_mask.  It fixes the reset on
some e1000 devices which is needed for clean kexec reboots.  The legacy
devices which broke with this patch (parallel port and PC speaker) have
now been fixed in Linus' tree.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 3 insertions, 18 deletions

diff --git a/include/asm-powerpc/eeh.h b/include/asm-powerpc/eeh.h
index 868c7139dbff..2c3dc4a2b12a 100644
--- a/include/asm-powerpc/eeh.h
+++ b/include/asm-powerpc/eeh.h
@@ -293,8 +293,6 @@ static inline void eeh_memcpy_toio(volatile void __iomem *dest, const void *src,
 static inline u8 eeh_inb(unsigned long port)
 {
         u8 val;
-        if (!_IO_IS_VALID(port))
-                return ~0;
         val = in_8((u8 __iomem *)(port+pci_io_base));
         if (EEH_POSSIBLE_ERROR(val, u8))
                 return eeh_check_failure((void __iomem *)(port), val);
@@ -303,15 +301,12 @@ static inline u8 eeh_inb(unsigned long port)
 
 static inline void eeh_outb(u8 val, unsigned long port)
 {
-        if (_IO_IS_VALID(port))
-                out_8((u8 __iomem *)(port+pci_io_base), val);
+        out_8((u8 __iomem *)(port+pci_io_base), val);
 }
 
 static inline u16 eeh_inw(unsigned long port)
 {
         u16 val;
-        if (!_IO_IS_VALID(port))
-                return ~0;
         val = in_le16((u16 __iomem *)(port+pci_io_base));
         if (EEH_POSSIBLE_ERROR(val, u16))
                 return eeh_check_failure((void __iomem *)(port), val);
@@ -320,15 +315,12 @@ static inline u16 eeh_inw(unsigned long port)
 
 static inline void eeh_outw(u16 val, unsigned long port)
 {
-        if (_IO_IS_VALID(port))
-                out_le16((u16 __iomem *)(port+pci_io_base), val);
+        out_le16((u16 __iomem *)(port+pci_io_base), val);
 }
 
 static inline u32 eeh_inl(unsigned long port)
 {
         u32 val;
-        if (!_IO_IS_VALID(port))
-                return ~0;
         val = in_le32((u32 __iomem *)(port+pci_io_base));
         if (EEH_POSSIBLE_ERROR(val, u32))
                 return eeh_check_failure((void __iomem *)(port), val);
@@ -337,8 +329,7 @@ static inline u32 eeh_inl(unsigned long port)
 
 static inline void eeh_outl(u32 val, unsigned long port)
 {
-        if (_IO_IS_VALID(port))
-                out_le32((u32 __iomem *)(port+pci_io_base), val);
+        out_le32((u32 __iomem *)(port+pci_io_base), val);
 }
 
 /* in-string eeh macros */
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index 68efbea379c9..4840fbf89c32 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -37,12 +37,6 @@
 
 extern unsigned long isa_io_base;
 extern unsigned long pci_io_base;
-extern unsigned long io_page_mask;
-
-#define MAX_ISA_PORT 0x10000
-
-#define _IO_IS_VALID(port) ((port) >= MAX_ISA_PORT || (1 << (port>>PAGE_SHIFT)) \
-                            & io_page_mask)
 
 #ifdef CONFIG_PPC_ISERIES
 /* __raw_* accessors aren't supported on iSeries */