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-rw-r--r--include/asm-ppc/io.h11
1 files changed, 1 insertions, 10 deletions
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 94d83998a759..f7f614dfc648 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -8,6 +8,7 @@
8 8
9#include <asm/page.h> 9#include <asm/page.h>
10#include <asm/byteorder.h> 10#include <asm/byteorder.h>
11#include <asm/synch.h>
11#include <asm/mmu.h> 12#include <asm/mmu.h>
12 13
13#define SIO_CONFIG_RA 0x398 14#define SIO_CONFIG_RA 0x398
@@ -440,16 +441,6 @@ extern inline void * phys_to_virt(unsigned long address)
440#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) 441#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
441#define page_to_bus(page) (page_to_phys(page) + PCI_DRAM_OFFSET) 442#define page_to_bus(page) (page_to_phys(page) + PCI_DRAM_OFFSET)
442 443
443/*
444 * Enforce In-order Execution of I/O:
445 * Acts as a barrier to ensure all previous I/O accesses have
446 * completed before any further ones are issued.
447 */
448extern inline void eieio(void)
449{
450 __asm__ __volatile__ ("eieio" : : : "memory");
451}
452
453/* Enforce in-order execution of data I/O. 444/* Enforce in-order execution of data I/O.
454 * No distinction between read/write on PPC; use eieio for all three. 445 * No distinction between read/write on PPC; use eieio for all three.
455 */ 446 */