[POWERPC] remove unused io accessors

[karo-tx-linux.git] / include / asm-powerpc / io.h

diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index f1c2469b8844793996310ca4f4151942ec7f54d5..9aaced542624276180b0e705c91c65b1c627b73f 100644 (file)
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -19,6 +19,7 @@ extern int check_legacy_ioport(unsigned long base_port);
 #include <linux/compiler.h>
 #include <asm/page.h>
 #include <asm/byteorder.h>
+#include <asm/paca.h>
 #ifdef CONFIG_PPC_ISERIES 
 #include <asm/iseries/iseries_io.h>
 #endif  
@@ -40,12 +41,6 @@ extern int check_legacy_ioport(unsigned long base_port);
 
 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 */
@@ -78,8 +73,10 @@ extern unsigned long io_page_mask;
  * Neither do the standard versions now, these are just here
  * for older code.
  */
-#define insw_ns(port, buf, ns) _insw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
-#define insl_ns(port, buf, nl) _insl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
+#define insb(port, buf, ns)    _insb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
+#define insw(port, buf, ns)    _insw_ns((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
+#define insl(port, buf, nl)    _insl_ns((u8 __iomem *)((port)+pci_io_base), (buf), (nl))
+
 #else
 
 static inline unsigned char __raw_readb(const volatile void __iomem *addr)
@@ -140,15 +137,13 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr)
 #define insb(port, buf, ns)    eeh_insb((port), (buf), (ns))
 #define insw(port, buf, ns)    eeh_insw_ns((port), (buf), (ns))
 #define insl(port, buf, nl)    eeh_insl_ns((port), (buf), (nl))
-#define insw_ns(port, buf, ns) eeh_insw_ns((port), (buf), (ns))
-#define insl_ns(port, buf, nl) eeh_insl_ns((port), (buf), (nl))
+
+#endif
 
 #define outsb(port, buf, ns)  _outsb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define outsw(port, buf, ns)  _outsw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define outsl(port, buf, nl)  _outsl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
 
-#endif
-
 #define readb_relaxed(addr) readb(addr)
 #define readw_relaxed(addr) readw(addr)
 #define readl_relaxed(addr) readl(addr)
@@ -165,7 +160,11 @@ extern void _outsw_ns(volatile u16 __iomem *port, const void *buf, int ns);
 extern void _insl_ns(volatile u32 __iomem *port, void *buf, int nl);
 extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, int nl);
 
-#define mmiowb()
+static inline void mmiowb(void)
+{
+       __asm__ __volatile__ ("sync" : : : "memory");
+       get_paca()->io_sync = 0;
+}
 
 /*
  * output pause versions need a delay at least for the
@@ -178,14 +177,6 @@ extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, int nl);
 #define inl_p(port)             inl(port)
 #define outl_p(val, port)       (udelay(1), outl((val), (port)))
 
-/*
- * The *_ns versions below don't do byte-swapping.
- * Neither do the standard versions now, these are just here
- * for older code.
- */
-#define outsw_ns(port, buf, ns)        _outsw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
-#define outsl_ns(port, buf, nl)        _outsl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
-
 
 #define IO_SPACE_LIMIT ~(0UL)
 
@@ -281,22 +272,23 @@ static inline int in_8(const volatile unsigned char __iomem *addr)
 {
        int ret;
 
-       __asm__ __volatile__("lbz%U1%X1 %0,%1; twi 0,%0,0; isync"
+       __asm__ __volatile__("sync; lbz%U1%X1 %0,%1; twi 0,%0,0; isync"
                             : "=r" (ret) : "m" (*addr));
        return ret;
 }
 
 static inline void out_8(volatile unsigned char __iomem *addr, int val)
 {
-       __asm__ __volatile__("stb%U0%X0 %1,%0; sync"
+       __asm__ __volatile__("sync; stb%U0%X0 %1,%0"
                             : "=m" (*addr) : "r" (val));
+       get_paca()->io_sync = 1;
 }
 
 static inline int in_le16(const volatile unsigned short __iomem *addr)
 {
        int ret;
 
-       __asm__ __volatile__("lhbrx %0,0,%1; twi 0,%0,0; isync"
+       __asm__ __volatile__("sync; lhbrx %0,0,%1; twi 0,%0,0; isync"
                             : "=r" (ret) : "r" (addr), "m" (*addr));
        return ret;
 }
@@ -305,28 +297,30 @@ static inline int in_be16(const volatile unsigned short __iomem *addr)
 {
        int ret;
 
-       __asm__ __volatile__("lhz%U1%X1 %0,%1; twi 0,%0,0; isync"
+       __asm__ __volatile__("sync; lhz%U1%X1 %0,%1; twi 0,%0,0; isync"
                             : "=r" (ret) : "m" (*addr));
        return ret;
 }
 
 static inline void out_le16(volatile unsigned short __iomem *addr, int val)
 {
-       __asm__ __volatile__("sthbrx %1,0,%2; sync"
+       __asm__ __volatile__("sync; sthbrx %1,0,%2"
                             : "=m" (*addr) : "r" (val), "r" (addr));
+       get_paca()->io_sync = 1;
 }
 
 static inline void out_be16(volatile unsigned short __iomem *addr, int val)
 {
-       __asm__ __volatile__("sth%U0%X0 %1,%0; sync"
+       __asm__ __volatile__("sync; sth%U0%X0 %1,%0"
                             : "=m" (*addr) : "r" (val));
+       get_paca()->io_sync = 1;
 }
 
 static inline unsigned in_le32(const volatile unsigned __iomem *addr)
 {
        unsigned ret;
 
-       __asm__ __volatile__("lwbrx %0,0,%1; twi 0,%0,0; isync"
+       __asm__ __volatile__("sync; lwbrx %0,0,%1; twi 0,%0,0; isync"
                             : "=r" (ret) : "r" (addr), "m" (*addr));
        return ret;
 }
@@ -335,21 +329,23 @@ static inline unsigned in_be32(const volatile unsigned __iomem *addr)
 {
        unsigned ret;
 
-       __asm__ __volatile__("lwz%U1%X1 %0,%1; twi 0,%0,0; isync"
+       __asm__ __volatile__("sync; lwz%U1%X1 %0,%1; twi 0,%0,0; isync"
                             : "=r" (ret) : "m" (*addr));
        return ret;
 }
 
 static inline void out_le32(volatile unsigned __iomem *addr, int val)
 {
-       __asm__ __volatile__("stwbrx %1,0,%2; sync" : "=m" (*addr)
+       __asm__ __volatile__("sync; stwbrx %1,0,%2" : "=m" (*addr)
                             : "r" (val), "r" (addr));
+       get_paca()->io_sync = 1;
 }
 
 static inline void out_be32(volatile unsigned __iomem *addr, int val)
 {
-       __asm__ __volatile__("stw%U0%X0 %1,%0; sync"
+       __asm__ __volatile__("sync; stw%U0%X0 %1,%0"
                             : "=m" (*addr) : "r" (val));
+       get_paca()->io_sync = 1;
 }
 
 static inline unsigned long in_le64(const volatile unsigned long __iomem *addr)
@@ -357,6 +353,7 @@ static inline unsigned long in_le64(const volatile unsigned long __iomem *addr)
        unsigned long tmp, ret;
 
        __asm__ __volatile__(
+                            "sync\n"
                             "ld %1,0(%2)\n"
                             "twi 0,%1,0\n"
                             "isync\n"
@@ -375,7 +372,7 @@ static inline unsigned long in_be64(const volatile unsigned long __iomem *addr)
 {
        unsigned long ret;
 
-       __asm__ __volatile__("ld%U1%X1 %0,%1; twi 0,%0,0; isync"
+       __asm__ __volatile__("sync; ld%U1%X1 %0,%1; twi 0,%0,0; isync"
                             : "=r" (ret) : "m" (*addr));
        return ret;
 }
@@ -392,14 +389,16 @@ static inline void out_le64(volatile unsigned long __iomem *addr, unsigned long
                             "rldicl %1,%1,32,0\n"
                             "rlwimi %0,%1,8,8,31\n"
                             "rlwimi %0,%1,24,16,23\n"
-                            "std %0,0(%3)\n"
-                            "sync"
+                            "sync\n"
+                            "std %0,0(%3)"
                             : "=&r" (tmp) , "=&r" (val) : "1" (val) , "b" (addr) , "m" (*addr));
+       get_paca()->io_sync = 1;
 }
 
 static inline void out_be64(volatile unsigned long __iomem *addr, unsigned long val)
 {
-       __asm__ __volatile__("std%U0%X0 %1,%0; sync" : "=m" (*addr) : "r" (val));
+       __asm__ __volatile__("sync; std%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
+       get_paca()->io_sync = 1;
 }
 
 #ifndef CONFIG_PPC_ISERIES