cns3xxx: remove one of the dma cache patches, it causes a regression in the ethernet...

SVN-Revision: 26802

diff --git a/target/linux/cns3xxx/patches-2.6.31/301-dma_cache_ownership_maint.patch b/target/linux/cns3xxx/patches-2.6.31/301-dma_cache_ownership_maint.patch
deleted file mode 100644 (file)
index a52ae24..0000000
--- a/target/linux/cns3xxx/patches-2.6.31/301-dma_cache_ownership_maint.patch
+++ /dev/null
@@ -1,67 +0,0 @@
---- a/arch/arm/mm/cache-v6.S
-+++ b/arch/arm/mm/cache-v6.S
-@@ -179,6 +179,10 @@ ENTRY(v6_flush_kern_dcache_page)
-  *    - end     - virtual end address of region
-  */
- ENTRY(v6_dma_inv_range)
-+#ifdef CONFIG_SMP
-+      ldrb    r2, [r0]
-+      strb    r2, [r0]
-+#endif
-       tst     r0, #D_CACHE_LINE_SIZE - 1
-       bic     r0, r0, #D_CACHE_LINE_SIZE - 1
- #ifdef HARVARD_CACHE
-@@ -187,6 +191,10 @@ ENTRY(v6_dma_inv_range)
-       mcrne   p15, 0, r0, c7, c11, 1          @ clean unified line
- #endif
-       tst     r1, #D_CACHE_LINE_SIZE - 1
-+#ifdef CONFIG_SMP
-+      ldrneb  r2, [r1, #-1]
-+      strneb  r2, [r1, #-1]
-+#endif
-       bic     r1, r1, #D_CACHE_LINE_SIZE - 1
- #ifdef HARVARD_CACHE
-       mcrne   p15, 0, r1, c7, c14, 1          @ clean & invalidate D line
-@@ -201,6 +209,10 @@ ENTRY(v6_dma_inv_range)
- #endif
-       add     r0, r0, #D_CACHE_LINE_SIZE
-       cmp     r0, r1
-+#ifdef CONFIG_SMP
-+      ldrlo   r2, [r0]
-+      strlo   r2, [r0]
-+#endif
-       blo     1b
-       mov     r0, #0
-       mcr     p15, 0, r0, c7, c10, 4          @ drain write buffer
-@@ -214,6 +226,9 @@ ENTRY(v6_dma_inv_range)
- ENTRY(v6_dma_clean_range)
-       bic     r0, r0, #D_CACHE_LINE_SIZE - 1
- 1:
-+#ifdef CONFIG_SMP
-+      ldr r2, [r0]
-+#endif
- #ifdef HARVARD_CACHE
-       mcr     p15, 0, r0, c7, c10, 1          @ clean D line
- #else
-@@ -232,6 +247,10 @@ ENTRY(v6_dma_clean_range)
-  *    - end     - virtual end address of region
-  */
- ENTRY(v6_dma_flush_range)
-+#ifdef CONFIG_SMP
-+      ldrb    r2, [r0]
-+      strb    r2, [r0]
-+#endif
-       bic     r0, r0, #D_CACHE_LINE_SIZE - 1
- 1:
- #ifdef HARVARD_CACHE
-@@ -241,6 +260,10 @@ ENTRY(v6_dma_flush_range)
- #endif
-       add     r0, r0, #D_CACHE_LINE_SIZE
-       cmp     r0, r1
-+#ifdef CONFIG_SMP
-+      ldrlob   r2, [r0]
-+      strlob   r2, [r0]
-+#endif
-       blo     1b
-       mov     r0, #0
-       mcr     p15, 0, r0, c7, c10, 4          @ drain write buffer