diff options
Diffstat (limited to 'include/asm-s390/io.h')
| -rw-r--r-- | include/asm-s390/io.h | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/include/asm-s390/io.h b/include/asm-s390/io.h index a6cc27e7700..efb7de9c1c6 100644 --- a/include/asm-s390/io.h +++ b/include/asm-s390/io.h @@ -27,18 +27,16 @@ static inline unsigned long virt_to_phys(volatile void * address) { unsigned long real_address; - __asm__ ( + asm volatile( #ifndef __s390x__ - " lra %0,0(%1)\n" - " jz 0f\n" - " sr %0,%0\n" + " lra %0,0(%1)\n" #else /* __s390x__ */ - " lrag %0,0(%1)\n" - " jz 0f\n" - " slgr %0,%0\n" + " lrag %0,0(%1)\n" #endif /* __s390x__ */ + " jz 0f\n" + " la %0,0\n" "0:" - : "=a" (real_address) : "a" (address) : "cc" ); + : "=a" (real_address) : "a" (address) : "cc"); return real_address; } @@ -47,11 +45,6 @@ static inline void * phys_to_virt(unsigned long address) return __io_virt(address); } -/* - * Change "struct page" to physical address. - */ -#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) - extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags); static inline void * ioremap (unsigned long offset, unsigned long size) |