target/linux/bcm27xx/patches-5.4/950-0087-cache-export-clean-and-invalidate.patch

   1 From d2b4f3d3ae91ea8fca9efebe0ac7a6b0c0567883 Mon Sep 17 00:00:00 2001
   2 From: popcornmix <popcornmix@gmail.com>
   3 Date: Fri, 25 Aug 2017 19:18:13 +0100
   4 Subject: [PATCH] cache: export clean and invalidate
   5
   6 hack: cache: Fix linker error
   7 ---
   8  arch/arm/mm/cache-v6.S | 4 ++--
   9  arch/arm/mm/cache-v7.S | 6 ++++--
  10  2 files changed, 6 insertions(+), 4 deletions(-)
  11
  12 --- a/arch/arm/mm/cache-v6.S
  13 +++ b/arch/arm/mm/cache-v6.S
  14 @@ -198,7 +198,7 @@ ENTRY(v6_flush_kern_dcache_area)
  15   *     - start   - virtual start address of region
  16   *     - end     - virtual end address of region
  17   */
  18 -v6_dma_inv_range:
  19 +ENTRY(v6_dma_inv_range)
  20  #ifdef CONFIG_DMA_CACHE_RWFO
  21         ldrb    r2, [r0]                        @ read for ownership
  22         strb    r2, [r0]                        @ write for ownership
  23 @@ -243,7 +243,7 @@ v6_dma_inv_range:
  24   *     - start   - virtual start address of region
  25   *     - end     - virtual end address of region
  26   */
  27 -v6_dma_clean_range:
  28 +ENTRY(v6_dma_clean_range)
  29         bic     r0, r0, #D_CACHE_LINE_SIZE - 1
  30  1:
  31  #ifdef CONFIG_DMA_CACHE_RWFO
  32 --- a/arch/arm/mm/cache-v7.S
  33 +++ b/arch/arm/mm/cache-v7.S
  34 @@ -363,7 +363,8 @@ ENDPROC(v7_flush_kern_dcache_area)
  35   *     - start   - virtual start address of region
  36   *     - end     - virtual end address of region
  37   */
  38 -v7_dma_inv_range:
  39 +ENTRY(b15_dma_inv_range)
  40 +ENTRY(v7_dma_inv_range)
  41         dcache_line_size r2, r3
  42         sub     r3, r2, #1
  43         tst     r0, r3
  44 @@ -393,7 +394,8 @@ ENDPROC(v7_dma_inv_range)
  45   *     - start   - virtual start address of region
  46   *     - end     - virtual end address of region
  47   */
  48 -v7_dma_clean_range:
  49 +ENTRY(b15_dma_clean_range)
  50 +ENTRY(v7_dma_clean_range)
  51         dcache_line_size r2, r3
  52         sub     r3, r2, #1
  53         bic     r0, r0, r3