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Diffstat (limited to 'include/asm-powerpc/io.h')
-rw-r--r--include/asm-powerpc/io.h33
1 files changed, 5 insertions, 28 deletions
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index cbbd8c648df1..c2c5f14b5f5f 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -163,8 +163,11 @@ extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, long count);
static inline void mmiowb(void)
{
- __asm__ __volatile__ ("sync" : : : "memory");
- get_paca()->io_sync = 0;
+ unsigned long tmp;
+
+ __asm__ __volatile__("sync; li %0,0; stb %0,%1(13)"
+ : "=&r" (tmp) : "i" (offsetof(struct paca_struct, io_sync))
+ : "memory");
}
/*
@@ -404,32 +407,6 @@ static inline void __out_be64(volatile unsigned long __iomem *addr, unsigned lon
#include <asm/eeh.h>
-/**
- * check_signature - find BIOS signatures
- * @io_addr: mmio address to check
- * @signature: signature block
- * @length: length of signature
- *
- * Perform a signature comparison with the mmio address io_addr. This
- * address should have been obtained by ioremap.
- * Returns 1 on a match.
- */
-static inline int check_signature(const volatile void __iomem * io_addr,
- const unsigned char *signature, int length)
-{
- int retval = 0;
- do {
- if (readb(io_addr) != *signature)
- goto out;
- io_addr++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
-}
-
/* Nothing to do */
#define dma_cache_inv(_start,_size) do { } while (0)