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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-27 11:26:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-27 11:26:48 -0700
commit84eda28060f7e7d5f91f81f928532af13b9e44b2 (patch)
treef0b7feeca9b6a21a43f279fb3b566eef1c16584d /arch/frv/include/asm/highmem.h
parentb387e41e523c1aa347cff055455d0dd129357df4 (diff)
parent2164d3344693d2d4799fe91836d61f55516cbdf0 (diff)
downloadlinux-next-84eda28060f7e7d5f91f81f928532af13b9e44b2.tar.gz
Merge branch 'kmap_atomic' of git://github.com/congwang/linux
Pull final kmap_atomic cleanups from Cong Wang: "This should be the final round of cleanup, as the definitions of enum km_type finally get removed from the whole tree. The patches have been in linux-next for a long time." * 'kmap_atomic' of git://github.com/congwang/linux: pipe: remove KM_USER0 from comments vmalloc: remove KM_USER0 from comments feature-removal-schedule.txt: remove kmap_atomic(page, km_type) tile: remove km_type definitions um: remove km_type definitions asm-generic: remove km_type definitions avr32: remove km_type definitions frv: remove km_type definitions powerpc: remove km_type definitions arm: remove km_type definitions highmem: remove the deprecated form of kmap_atomic tile: remove usage of enum km_type frv: remove the second parameter of kmap_atomic_primary() jbd2: remove the second argument of kmap_atomic
Diffstat (limited to 'arch/frv/include/asm/highmem.h')
-rw-r--r--arch/frv/include/asm/highmem.h34
1 files changed, 9 insertions, 25 deletions
diff --git a/arch/frv/include/asm/highmem.h b/arch/frv/include/asm/highmem.h
index 716956a5317b..b3adc93611f3 100644
--- a/arch/frv/include/asm/highmem.h
+++ b/arch/frv/include/asm/highmem.h
@@ -76,15 +76,16 @@ extern struct page *kmap_atomic_to_page(void *ptr);
#ifndef __ASSEMBLY__
-#define __kmap_atomic_primary(type, paddr, ampr) \
+#define __kmap_atomic_primary(cached, paddr, ampr) \
({ \
unsigned long damlr, dampr; \
\
dampr = paddr | xAMPRx_L | xAMPRx_M | xAMPRx_S | xAMPRx_SS_16Kb | xAMPRx_V; \
\
- if (type != __KM_CACHE) \
+ if (!cached) \
asm volatile("movgs %0,dampr"#ampr :: "r"(dampr) : "memory"); \
else \
+ /* cache flush page attachment point */ \
asm volatile("movgs %0,iampr"#ampr"\n" \
"movgs %0,dampr"#ampr"\n" \
:: "r"(dampr) : "memory" \
@@ -112,29 +113,20 @@ extern struct page *kmap_atomic_to_page(void *ptr);
(void *) damlr; \
})
-static inline void *kmap_atomic_primary(struct page *page, enum km_type type)
+static inline void *kmap_atomic_primary(struct page *page)
{
unsigned long paddr;
pagefault_disable();
paddr = page_to_phys(page);
- switch (type) {
- case 0: return __kmap_atomic_primary(0, paddr, 2);
- case 1: return __kmap_atomic_primary(1, paddr, 3);
- case 2: return __kmap_atomic_primary(2, paddr, 4);
- case 3: return __kmap_atomic_primary(3, paddr, 5);
-
- default:
- BUG();
- return NULL;
- }
+ return __kmap_atomic_primary(1, paddr, 2);
}
-#define __kunmap_atomic_primary(type, ampr) \
+#define __kunmap_atomic_primary(cached, ampr) \
do { \
asm volatile("movgs gr0,dampr"#ampr"\n" ::: "memory"); \
- if (type == __KM_CACHE) \
+ if (cached) \
asm volatile("movgs gr0,iampr"#ampr"\n" ::: "memory"); \
} while(0)
@@ -143,17 +135,9 @@ do { \
asm volatile("tlbpr %0,gr0,#4,#1" : : "r"(vaddr) : "memory"); \
} while(0)
-static inline void kunmap_atomic_primary(void *kvaddr, enum km_type type)
+static inline void kunmap_atomic_primary(void *kvaddr)
{
- switch (type) {
- case 0: __kunmap_atomic_primary(0, 2); break;
- case 1: __kunmap_atomic_primary(1, 3); break;
- case 2: __kunmap_atomic_primary(2, 4); break;
- case 3: __kunmap_atomic_primary(3, 5); break;
-
- default:
- BUG();
- }
+ __kunmap_atomic_primary(1, 2);
pagefault_enable();
}