ARM: add size argument to __cpuc_flush_dcache_page
authorRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 26 Nov 2009 12:56:21 +0000 (12:56 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 14 Dec 2009 14:53:22 +0000 (14:53 +0000)
... and rename the function since it no longer operates on just
pages.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
26 files changed:
arch/arm/include/asm/cacheflush.h
arch/arm/mm/cache-fa.S
arch/arm/mm/cache-v3.S
arch/arm/mm/cache-v4.S
arch/arm/mm/cache-v4wb.S
arch/arm/mm/cache-v4wt.S
arch/arm/mm/cache-v6.S
arch/arm/mm/cache-v7.S
arch/arm/mm/flush.c
arch/arm/mm/highmem.c
arch/arm/mm/nommu.c
arch/arm/mm/proc-arm1020.S
arch/arm/mm/proc-arm1020e.S
arch/arm/mm/proc-arm1022.S
arch/arm/mm/proc-arm1026.S
arch/arm/mm/proc-arm920.S
arch/arm/mm/proc-arm922.S
arch/arm/mm/proc-arm925.S
arch/arm/mm/proc-arm926.S
arch/arm/mm/proc-arm940.S
arch/arm/mm/proc-arm946.S
arch/arm/mm/proc-feroceon.S
arch/arm/mm/proc-mohawk.S
arch/arm/mm/proc-syms.c
arch/arm/mm/proc-xsc3.S
arch/arm/mm/proc-xscale.S

index 3db7acd39a62ea0c35421a965413a94d247f9a51..730aefcfbee3eb8e0c46ea0a6dc0b9ba0fd1e27f 100644 (file)
@@ -211,7 +211,7 @@ struct cpu_cache_fns {
 
        void (*coherent_kern_range)(unsigned long, unsigned long);
        void (*coherent_user_range)(unsigned long, unsigned long);
-       void (*flush_kern_dcache_page)(void *);
+       void (*flush_kern_dcache_area)(void *, size_t);
 
        void (*dma_inv_range)(const void *, const void *);
        void (*dma_clean_range)(const void *, const void *);
@@ -236,7 +236,7 @@ extern struct cpu_cache_fns cpu_cache;
 #define __cpuc_flush_user_range                cpu_cache.flush_user_range
 #define __cpuc_coherent_kern_range     cpu_cache.coherent_kern_range
 #define __cpuc_coherent_user_range     cpu_cache.coherent_user_range
-#define __cpuc_flush_dcache_page       cpu_cache.flush_kern_dcache_page
+#define __cpuc_flush_dcache_area       cpu_cache.flush_kern_dcache_area
 
 /*
  * These are private to the dma-mapping API.  Do not use directly.
@@ -255,14 +255,14 @@ extern struct cpu_cache_fns cpu_cache;
 #define __cpuc_flush_user_range                __glue(_CACHE,_flush_user_cache_range)
 #define __cpuc_coherent_kern_range     __glue(_CACHE,_coherent_kern_range)
 #define __cpuc_coherent_user_range     __glue(_CACHE,_coherent_user_range)
-#define __cpuc_flush_dcache_page       __glue(_CACHE,_flush_kern_dcache_page)
+#define __cpuc_flush_dcache_area       __glue(_CACHE,_flush_kern_dcache_area)
 
 extern void __cpuc_flush_kern_all(void);
 extern void __cpuc_flush_user_all(void);
 extern void __cpuc_flush_user_range(unsigned long, unsigned long, unsigned int);
 extern void __cpuc_coherent_kern_range(unsigned long, unsigned long);
 extern void __cpuc_coherent_user_range(unsigned long, unsigned long);
-extern void __cpuc_flush_dcache_page(void *);
+extern void __cpuc_flush_dcache_area(void *, size_t);
 
 /*
  * These are private to the dma-mapping API.  Do not use directly.
@@ -448,7 +448,7 @@ static inline void flush_kernel_dcache_page(struct page *page)
 {
        /* highmem pages are always flushed upon kunmap already */
        if ((cache_is_vivt() || cache_is_vipt_aliasing()) && !PageHighMem(page))
-               __cpuc_flush_dcache_page(page_address(page));
+               __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
 }
 
 #define flush_dcache_mmap_lock(mapping) \
index b63a8f7b95cf5a2575f012b91324cc2e273563cf..a89444a3c016f0c2ecee35d38655b109664bc91b 100644 (file)
@@ -127,15 +127,16 @@ ENTRY(fa_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(kaddr)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure that the data held in the page kaddr is written back
  *     to the page in question.
  *
- *     - kaddr   - kernel address (guaranteed to be page aligned)
+ *     - addr  - kernel address
+ *     - size  - size of region
  */
-ENTRY(fa_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(fa_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D line
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -213,7 +214,7 @@ ENTRY(fa_cache_fns)
        .long   fa_flush_user_cache_range
        .long   fa_coherent_kern_range
        .long   fa_coherent_user_range
-       .long   fa_flush_kern_dcache_page
+       .long   fa_flush_kern_dcache_area
        .long   fa_dma_inv_range
        .long   fa_dma_clean_range
        .long   fa_dma_flush_range
index 8a4abebc478a29617a55efeabd871480ca4ab9c2..2a482731ea36914f2f6ca2b6bb4299e7dee84742 100644 (file)
@@ -72,14 +72,15 @@ ENTRY(v3_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *page, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(v3_flush_kern_dcache_page)
+ENTRY(v3_flush_kern_dcache_area)
        /* FALLTHROUGH */
 
 /*
@@ -129,7 +130,7 @@ ENTRY(v3_cache_fns)
        .long   v3_flush_user_cache_range
        .long   v3_coherent_kern_range
        .long   v3_coherent_user_range
-       .long   v3_flush_kern_dcache_page
+       .long   v3_flush_kern_dcache_area
        .long   v3_dma_inv_range
        .long   v3_dma_clean_range
        .long   v3_dma_flush_range
index 3668611cb400325d9368e2707f41a25d0da93c50..5c7da3e372e94faa6f85a07b2c154730140f44b6 100644 (file)
@@ -82,14 +82,15 @@ ENTRY(v4_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(v4_flush_kern_dcache_page)
+ENTRY(v4_flush_kern_dcache_area)
        /* FALLTHROUGH */
 
 /*
@@ -141,7 +142,7 @@ ENTRY(v4_cache_fns)
        .long   v4_flush_user_cache_range
        .long   v4_coherent_kern_range
        .long   v4_coherent_user_range
-       .long   v4_flush_kern_dcache_page
+       .long   v4_flush_kern_dcache_area
        .long   v4_dma_inv_range
        .long   v4_dma_clean_range
        .long   v4_dma_flush_range
index 2ebc1b3bf856ff454f5a0c114ef0dea9e9fbcaed..3dbedf1ec0e7790612385b34def041378af5f0d9 100644 (file)
@@ -114,15 +114,16 @@ ENTRY(v4wb_flush_user_cache_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(v4wb_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(v4wb_flush_kern_dcache_area)
+       add     r1, r0, r1
        /* fall through */
 
 /*
@@ -224,7 +225,7 @@ ENTRY(v4wb_cache_fns)
        .long   v4wb_flush_user_cache_range
        .long   v4wb_coherent_kern_range
        .long   v4wb_coherent_user_range
-       .long   v4wb_flush_kern_dcache_page
+       .long   v4wb_flush_kern_dcache_area
        .long   v4wb_dma_inv_range
        .long   v4wb_dma_clean_range
        .long   v4wb_dma_flush_range
index c54fa2cc40e6e2f8ebfa2c60c7849ea94682bd70..b3b7410270b48e6bf3414de930e2eff0010cf6b3 100644 (file)
@@ -117,17 +117,18 @@ ENTRY(v4wt_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(v4wt_flush_kern_dcache_page)
+ENTRY(v4wt_flush_kern_dcache_area)
        mov     r2, #0
        mcr     p15, 0, r2, c7, c5, 0           @ invalidate I cache
-       add     r1, r0, #PAGE_SZ
+       add     r1, r0, r1
        /* fallthrough */
 
 /*
@@ -180,7 +181,7 @@ ENTRY(v4wt_cache_fns)
        .long   v4wt_flush_user_cache_range
        .long   v4wt_coherent_kern_range
        .long   v4wt_coherent_user_range
-       .long   v4wt_flush_kern_dcache_page
+       .long   v4wt_flush_kern_dcache_area
        .long   v4wt_dma_inv_range
        .long   v4wt_dma_clean_range
        .long   v4wt_dma_flush_range
index 295e25dd6381f69da0eaf59c8e9da1854434ddd8..4ba0a24ce6f58341bcf0a78aef56531709e7b774 100644 (file)
@@ -159,15 +159,16 @@ ENDPROC(v6_coherent_user_range)
 ENDPROC(v6_coherent_kern_range)
 
 /*
- *     v6_flush_kern_dcache_page(kaddr)
+ *     v6_flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure that the data held in the page kaddr is written back
  *     to the page in question.
  *
- *     - kaddr   - kernel address (guaranteed to be page aligned)
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(v6_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(v6_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:
 #ifdef HARVARD_CACHE
        mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D line
@@ -271,7 +272,7 @@ ENTRY(v6_cache_fns)
        .long   v6_flush_user_cache_range
        .long   v6_coherent_kern_range
        .long   v6_coherent_user_range
-       .long   v6_flush_kern_dcache_page
+       .long   v6_flush_kern_dcache_area
        .long   v6_dma_inv_range
        .long   v6_dma_clean_range
        .long   v6_dma_flush_range
index e1bd9759617f16cce4d8b59c738e340afa22b2e2..9073db849fb46a75f08c18c1ae9790614696e377 100644 (file)
@@ -186,16 +186,17 @@ ENDPROC(v7_coherent_kern_range)
 ENDPROC(v7_coherent_user_range)
 
 /*
- *     v7_flush_kern_dcache_page(kaddr)
+ *     v7_flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure that the data held in the page kaddr is written back
  *     to the page in question.
  *
- *     - kaddr   - kernel address (guaranteed to be page aligned)
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(v7_flush_kern_dcache_page)
+ENTRY(v7_flush_kern_dcache_area)
        dcache_line_size r2, r3
-       add     r1, r0, #PAGE_SZ
+       add     r1, r0, r1
 1:
        mcr     p15, 0, r0, c7, c14, 1          @ clean & invalidate D line / unified line
        add     r0, r0, r2
@@ -203,7 +204,7 @@ ENTRY(v7_flush_kern_dcache_page)
        blo     1b
        dsb
        mov     pc, lr
-ENDPROC(v7_flush_kern_dcache_page)
+ENDPROC(v7_flush_kern_dcache_area)
 
 /*
  *     v7_dma_inv_range(start,end)
@@ -279,7 +280,7 @@ ENTRY(v7_cache_fns)
        .long   v7_flush_user_cache_range
        .long   v7_coherent_kern_range
        .long   v7_coherent_user_range
-       .long   v7_flush_kern_dcache_page
+       .long   v7_flush_kern_dcache_area
        .long   v7_dma_inv_range
        .long   v7_dma_clean_range
        .long   v7_dma_flush_range
index 329594e760cdb09e868b1e1ad42a30dfda78f429..6f3a4b7a3b8276e5c442e4bbfc8273c8e9745f54 100644 (file)
@@ -131,7 +131,7 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page)
         */
        if (addr)
 #endif
-               __cpuc_flush_dcache_page(addr);
+               __cpuc_flush_dcache_area(addr, PAGE_SIZE);
 
        /*
         * If this is a page cache page, and we have an aliasing VIPT cache,
@@ -258,5 +258,5 @@ void __flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned l
         * in this mapping of the page.  FIXME: this is overkill
         * since we actually ask for a write-back and invalidate.
         */
-       __cpuc_flush_dcache_page(page_address(page));
+       __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
 }
index 30f82fb5918c9e2a8b3cce49849ff4fd7d97c2dc..2be1ec7c1b41acea66987a3ef532e96020b71c5b 100644 (file)
@@ -79,7 +79,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type)
        unsigned int idx = type + KM_TYPE_NR * smp_processor_id();
 
        if (kvaddr >= (void *)FIXADDR_START) {
-               __cpuc_flush_dcache_page((void *)vaddr);
+               __cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE);
 #ifdef CONFIG_DEBUG_HIGHMEM
                BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx));
                set_pte_ext(TOP_PTE(vaddr), __pte(0), 0);
index 900811cc9130669b0377f7a155b95cd57c64ca34..374a8311bc84b0eeadaa37a14004ee53f499ab67 100644 (file)
@@ -61,7 +61,7 @@ void setup_mm_for_reboot(char mode)
 
 void flush_dcache_page(struct page *page)
 {
-       __cpuc_flush_dcache_page(page_address(page));
+       __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
 }
 EXPORT_SYMBOL(flush_dcache_page);
 
index d9fb4b98c49ff8866a1d36288d431ce364ad1180..8012e24282b2d0ffbbab5a38cd963c6cb9acf6e5 100644 (file)
@@ -231,17 +231,18 @@ ENTRY(arm1020_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - page  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm1020_flush_kern_dcache_page)
+ENTRY(arm1020_flush_kern_dcache_area)
        mov     ip, #0
 #ifndef CONFIG_CPU_DCACHE_DISABLE
-       add     r1, r0, #PAGE_SZ
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
        add     r0, r0, #CACHE_DLINESIZE
@@ -335,7 +336,7 @@ ENTRY(arm1020_cache_fns)
        .long   arm1020_flush_user_cache_range
        .long   arm1020_coherent_kern_range
        .long   arm1020_coherent_user_range
-       .long   arm1020_flush_kern_dcache_page
+       .long   arm1020_flush_kern_dcache_area
        .long   arm1020_dma_inv_range
        .long   arm1020_dma_clean_range
        .long   arm1020_dma_flush_range
index 7453b75dcea5f1527790e940263f113a70aec417..41fe25d234f50b76b563c6b5516a258d45c014fe 100644 (file)
@@ -225,17 +225,18 @@ ENTRY(arm1020e_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - page  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm1020e_flush_kern_dcache_page)
+ENTRY(arm1020e_flush_kern_dcache_area)
        mov     ip, #0
 #ifndef CONFIG_CPU_DCACHE_DISABLE
-       add     r1, r0, #PAGE_SZ
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -321,7 +322,7 @@ ENTRY(arm1020e_cache_fns)
        .long   arm1020e_flush_user_cache_range
        .long   arm1020e_coherent_kern_range
        .long   arm1020e_coherent_user_range
-       .long   arm1020e_flush_kern_dcache_page
+       .long   arm1020e_flush_kern_dcache_area
        .long   arm1020e_dma_inv_range
        .long   arm1020e_dma_clean_range
        .long   arm1020e_dma_flush_range
index 8eb72d75a8b6fe2757e0c6c8bcfa7325519c2a11..20a5b1b31a706051ac2c1b6cb58b293b3b2794a2 100644 (file)
@@ -214,17 +214,18 @@ ENTRY(arm1022_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - page  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm1022_flush_kern_dcache_page)
+ENTRY(arm1022_flush_kern_dcache_area)
        mov     ip, #0
 #ifndef CONFIG_CPU_DCACHE_DISABLE
-       add     r1, r0, #PAGE_SZ
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -310,7 +311,7 @@ ENTRY(arm1022_cache_fns)
        .long   arm1022_flush_user_cache_range
        .long   arm1022_coherent_kern_range
        .long   arm1022_coherent_user_range
-       .long   arm1022_flush_kern_dcache_page
+       .long   arm1022_flush_kern_dcache_area
        .long   arm1022_dma_inv_range
        .long   arm1022_dma_clean_range
        .long   arm1022_dma_flush_range
index 3b59f0d6713962d3e83222d1d05dc2c10606157c..96aedb10fcc418c528f536fb9a06f77185a3fa9c 100644 (file)
@@ -208,17 +208,18 @@ ENTRY(arm1026_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - page  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm1026_flush_kern_dcache_page)
+ENTRY(arm1026_flush_kern_dcache_area)
        mov     ip, #0
 #ifndef CONFIG_CPU_DCACHE_DISABLE
-       add     r1, r0, #PAGE_SZ
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -304,7 +305,7 @@ ENTRY(arm1026_cache_fns)
        .long   arm1026_flush_user_cache_range
        .long   arm1026_coherent_kern_range
        .long   arm1026_coherent_user_range
-       .long   arm1026_flush_kern_dcache_page
+       .long   arm1026_flush_kern_dcache_area
        .long   arm1026_dma_inv_range
        .long   arm1026_dma_clean_range
        .long   arm1026_dma_flush_range
index 2b7c197cc58d2ab4babcf39920220b96a973570e..471669e2d7cb458567d9233a805dd8ce772bf719 100644 (file)
@@ -207,15 +207,16 @@ ENTRY(arm920_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm920_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(arm920_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -293,7 +294,7 @@ ENTRY(arm920_cache_fns)
        .long   arm920_flush_user_cache_range
        .long   arm920_coherent_kern_range
        .long   arm920_coherent_user_range
-       .long   arm920_flush_kern_dcache_page
+       .long   arm920_flush_kern_dcache_area
        .long   arm920_dma_inv_range
        .long   arm920_dma_clean_range
        .long   arm920_dma_flush_range
index 06a1aa4e33989976465155586fe0390e19109bb9..ee111b00fa41951619593c758fe22eb06a4e4ee4 100644 (file)
@@ -209,15 +209,16 @@ ENTRY(arm922_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm922_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(arm922_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -295,7 +296,7 @@ ENTRY(arm922_cache_fns)
        .long   arm922_flush_user_cache_range
        .long   arm922_coherent_kern_range
        .long   arm922_coherent_user_range
-       .long   arm922_flush_kern_dcache_page
+       .long   arm922_flush_kern_dcache_area
        .long   arm922_dma_inv_range
        .long   arm922_dma_clean_range
        .long   arm922_dma_flush_range
index cb53435a85aee2120f2e97f6b01c24561f32e860..8deb5bde58e4883765e1d7bb6b81b10e0388911b 100644 (file)
@@ -251,15 +251,16 @@ ENTRY(arm925_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm925_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(arm925_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -346,7 +347,7 @@ ENTRY(arm925_cache_fns)
        .long   arm925_flush_user_cache_range
        .long   arm925_coherent_kern_range
        .long   arm925_coherent_user_range
-       .long   arm925_flush_kern_dcache_page
+       .long   arm925_flush_kern_dcache_area
        .long   arm925_dma_inv_range
        .long   arm925_dma_clean_range
        .long   arm925_dma_flush_range
index 1c4848704bb358c98a0e4c87141f7326e802d3fb..64db6e275a442f610239fe9b692753c4d88d14f9 100644 (file)
@@ -214,15 +214,16 @@ ENTRY(arm926_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm926_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(arm926_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -309,7 +310,7 @@ ENTRY(arm926_cache_fns)
        .long   arm926_flush_user_cache_range
        .long   arm926_coherent_kern_range
        .long   arm926_coherent_user_range
-       .long   arm926_flush_kern_dcache_page
+       .long   arm926_flush_kern_dcache_area
        .long   arm926_dma_inv_range
        .long   arm926_dma_clean_range
        .long   arm926_dma_flush_range
index 5b0f8464c8f29f9cc908cd2bbff5a820652f7751..8196b9f401fb53f17cd0a215c384a872330e054d 100644 (file)
@@ -141,14 +141,15 @@ ENTRY(arm940_coherent_user_range)
        /* FALLTHROUGH */
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(arm940_flush_kern_dcache_page)
+ENTRY(arm940_flush_kern_dcache_area)
        mov     ip, #0
        mov     r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments
 1:     orr     r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries
@@ -238,7 +239,7 @@ ENTRY(arm940_cache_fns)
        .long   arm940_flush_user_cache_range
        .long   arm940_coherent_kern_range
        .long   arm940_coherent_user_range
-       .long   arm940_flush_kern_dcache_page
+       .long   arm940_flush_kern_dcache_area
        .long   arm940_dma_inv_range
        .long   arm940_dma_clean_range
        .long   arm940_dma_flush_range
index 40c0449a139b829a709525984442b36561494e13..9a951239c86c0a1b93dcefdf6687312b6c3c51c7 100644 (file)
@@ -183,16 +183,17 @@ ENTRY(arm946_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  * (same as arm926)
  */
-ENTRY(arm946_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(arm946_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -280,7 +281,7 @@ ENTRY(arm946_cache_fns)
        .long   arm946_flush_user_cache_range
        .long   arm946_coherent_kern_range
        .long   arm946_coherent_user_range
-       .long   arm946_flush_kern_dcache_page
+       .long   arm946_flush_kern_dcache_area
        .long   arm946_dma_inv_range
        .long   arm946_dma_clean_range
        .long   arm946_dma_flush_range
index d0d7795200fc143a0362312c960f334deb5f1957..dbc39383e66aaf0d2ec0e5865f15e21dafb02ec7 100644 (file)
@@ -226,16 +226,17 @@ ENTRY(feroceon_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
        .align  5
-ENTRY(feroceon_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(feroceon_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -246,7 +247,7 @@ ENTRY(feroceon_flush_kern_dcache_page)
        mov     pc, lr
 
        .align  5
-ENTRY(feroceon_range_flush_kern_dcache_page)
+ENTRY(feroceon_range_flush_kern_dcache_area)
        mrs     r2, cpsr
        add     r1, r0, #PAGE_SZ - CACHE_DLINESIZE      @ top addr is inclusive
        orr     r3, r2, #PSR_I_BIT
@@ -372,7 +373,7 @@ ENTRY(feroceon_cache_fns)
        .long   feroceon_flush_user_cache_range
        .long   feroceon_coherent_kern_range
        .long   feroceon_coherent_user_range
-       .long   feroceon_flush_kern_dcache_page
+       .long   feroceon_flush_kern_dcache_area
        .long   feroceon_dma_inv_range
        .long   feroceon_dma_clean_range
        .long   feroceon_dma_flush_range
@@ -383,7 +384,7 @@ ENTRY(feroceon_range_cache_fns)
        .long   feroceon_flush_user_cache_range
        .long   feroceon_coherent_kern_range
        .long   feroceon_coherent_user_range
-       .long   feroceon_range_flush_kern_dcache_page
+       .long   feroceon_range_flush_kern_dcache_area
        .long   feroceon_range_dma_inv_range
        .long   feroceon_range_dma_clean_range
        .long   feroceon_range_dma_flush_range
index 52b5fd74fbb3fcbfe3295d570a2e121001318562..9674d36cc97d4c1a6489599d2047b3c29ef58110 100644 (file)
@@ -186,15 +186,16 @@ ENTRY(mohawk_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(mohawk_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(mohawk_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
        add     r0, r0, #CACHE_DLINESIZE
        cmp     r0, r1
@@ -273,7 +274,7 @@ ENTRY(mohawk_cache_fns)
        .long   mohawk_flush_user_cache_range
        .long   mohawk_coherent_kern_range
        .long   mohawk_coherent_user_range
-       .long   mohawk_flush_kern_dcache_page
+       .long   mohawk_flush_kern_dcache_area
        .long   mohawk_dma_inv_range
        .long   mohawk_dma_clean_range
        .long   mohawk_dma_flush_range
index f604aa8acae9db58cce6e86c06dff125f660f8d7..3e6210b4d6d4cc713ba524ab3966760ad1d6f6f8 100644 (file)
@@ -27,7 +27,7 @@ EXPORT_SYMBOL(__cpuc_flush_kern_all);
 EXPORT_SYMBOL(__cpuc_flush_user_all);
 EXPORT_SYMBOL(__cpuc_flush_user_range);
 EXPORT_SYMBOL(__cpuc_coherent_kern_range);
-EXPORT_SYMBOL(__cpuc_flush_dcache_page);
+EXPORT_SYMBOL(__cpuc_flush_dcache_area);
 #else
 EXPORT_SYMBOL(cpu_cache);
 #endif
index fab134e29826d626c3ec7b5ca0da5ac37d203f40..96456f5487986f349513b154be2ed22de1bd9eab 100644 (file)
@@ -226,15 +226,16 @@ ENTRY(xsc3_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache.
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(xsc3_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(xsc3_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c14, 1          @ clean/invalidate L1 D line
        add     r0, r0, #CACHELINESIZE
        cmp     r0, r1
@@ -309,7 +310,7 @@ ENTRY(xsc3_cache_fns)
        .long   xsc3_flush_user_cache_range
        .long   xsc3_coherent_kern_range
        .long   xsc3_coherent_user_range
-       .long   xsc3_flush_kern_dcache_page
+       .long   xsc3_flush_kern_dcache_area
        .long   xsc3_dma_inv_range
        .long   xsc3_dma_clean_range
        .long   xsc3_dma_flush_range
index f056c283682db09b37b3b282a1cded25d9683367..93df47265f2dfda487fcb7c11425d14b0a9ea02f 100644 (file)
@@ -284,15 +284,16 @@ ENTRY(xscale_coherent_user_range)
        mov     pc, lr
 
 /*
- *     flush_kern_dcache_page(void *page)
+ *     flush_kern_dcache_area(void *addr, size_t size)
  *
  *     Ensure no D cache aliasing occurs, either with itself or
  *     the I cache
  *
- *     - addr  - page aligned address
+ *     - addr  - kernel address
+ *     - size  - region size
  */
-ENTRY(xscale_flush_kern_dcache_page)
-       add     r1, r0, #PAGE_SZ
+ENTRY(xscale_flush_kern_dcache_area)
+       add     r1, r0, r1
 1:     mcr     p15, 0, r0, c7, c10, 1          @ clean D entry
        mcr     p15, 0, r0, c7, c6, 1           @ invalidate D entry
        add     r0, r0, #CACHELINESIZE
@@ -368,7 +369,7 @@ ENTRY(xscale_cache_fns)
        .long   xscale_flush_user_cache_range
        .long   xscale_coherent_kern_range
        .long   xscale_coherent_user_range
-       .long   xscale_flush_kern_dcache_page
+       .long   xscale_flush_kern_dcache_area
        .long   xscale_dma_inv_range
        .long   xscale_dma_clean_range
        .long   xscale_dma_flush_range
@@ -392,7 +393,7 @@ ENTRY(xscale_80200_A0_A1_cache_fns)
        .long   xscale_flush_user_cache_range
        .long   xscale_coherent_kern_range
        .long   xscale_coherent_user_range
-       .long   xscale_flush_kern_dcache_page
+       .long   xscale_flush_kern_dcache_area
        .long   xscale_dma_flush_range
        .long   xscale_dma_clean_range
        .long   xscale_dma_flush_range