sparc64: IO accessors fix
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
I added a full memory clobber on all asm accessors except the _raw
ones.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h
index c299b85..3158960 100644
--- a/include/asm-sparc64/io.h
+++ b/include/asm-sparc64/io.h
@@ -24,7 +24,8 @@
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_inb */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
return ret;
}
@@ -35,7 +36,8 @@
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_inw */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
return ret;
}
@@ -46,7 +48,8 @@
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_inl */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
return ret;
}
@@ -55,21 +58,24 @@
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_outb */"
: /* no outputs */
- : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
}
static inline void _outw(u16 w, unsigned long addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_outw */"
: /* no outputs */
- : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
}
static inline void _outl(u32 l, unsigned long addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_outl */"
: /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
}
#define inb(__addr) (_inb((unsigned long)(__addr)))
@@ -128,7 +134,8 @@
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* pci_readb */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
return ret;
}
@@ -137,7 +144,8 @@
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* pci_readw */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
return ret;
}
@@ -147,7 +155,8 @@
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* pci_readl */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
return ret;
}
@@ -157,7 +166,8 @@
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* pci_readq */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
return ret;
}
@@ -166,28 +176,32 @@
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* pci_writeb */"
: /* no outputs */
- : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
}
static inline void _writew(u16 w, volatile void __iomem *addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* pci_writew */"
: /* no outputs */
- : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
}
static inline void _writel(u32 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* pci_writel */"
: /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
}
static inline void _writeq(u64 q, volatile void __iomem *addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* pci_writeq */"
: /* no outputs */
- : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L));
+ : "Jr" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E_L)
+ : "memory");
}
#define readb(__addr) _readb(__addr)
@@ -299,7 +313,8 @@
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* sbus_readb */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
return ret;
}
@@ -310,7 +325,8 @@
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* sbus_readw */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
return ret;
}
@@ -321,7 +337,8 @@
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* sbus_readl */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
return ret;
}
@@ -332,7 +349,8 @@
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* sbus_readq */"
: "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
return ret;
}
@@ -341,28 +359,32 @@
{
__asm__ __volatile__("stba\t%r0, [%1] %2\t/* sbus_writeb */"
: /* no outputs */
- : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "Jr" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
}
static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
{
__asm__ __volatile__("stha\t%r0, [%1] %2\t/* sbus_writew */"
: /* no outputs */
- : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "Jr" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
}
static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stwa\t%r0, [%1] %2\t/* sbus_writel */"
: /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
}
static inline void _sbus_writeq(u64 l, volatile void __iomem *addr)
{
__asm__ __volatile__("stxa\t%r0, [%1] %2\t/* sbus_writeq */"
: /* no outputs */
- : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
+ : "Jr" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)
+ : "memory");
}
#define sbus_readb(__addr) _sbus_readb(__addr)