Blackfin arch: rewrite blackfin_invalidate_entire_dcache function

rewrite blackfin_invalidate_entire_dcache() in C for easier management,
better optimization, and so we take all SSYNC anomalies into account

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 0 insertions, 36 deletions

diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S
index 118751287437..3c98dacbf289 100644
--- a/arch/blackfin/mach-common/cache.S
+++ b/arch/blackfin/mach-common/cache.S
@@ -97,39 +97,3 @@ ENTRY(_blackfin_dflush_page)
         P1 = 1 << (PAGE_SHIFT - L1_CACHE_SHIFT);
         jump .Ldfr;
 ENDPROC(_blackfin_dflush_page)
-
-/* Invalidate the Entire Data cache by
- * clearing DMC[1:0] bits
- */
-ENTRY(_blackfin_invalidate_entire_dcache)
-        [--SP] = ( R7:5);
-
-        P0.L = LO(DMEM_CONTROL);
-        P0.H = HI(DMEM_CONTROL);
-        R7 = [P0];
-        R5 = R7;        /* Save DMEM_CNTR */
-
-        /* Clear the DMC[1:0] bits, All valid bits in the data
-         * cache are set to the invalid state
-         */
-        BITCLR(R7,DMC0_P);
-        BITCLR(R7,DMC1_P);
-        CLI R6;
-        SSYNC;          /* SSYNC required before writing to DMEM_CONTROL. */
-        .align 8;
-        [P0] = R7;
-        SSYNC;
-        STI R6;
-
-        /* Configures the data cache again */
-
-        CLI R6;
-        SSYNC;          /* SSYNC required before writing to DMEM_CONTROL. */
-        .align 8;
-        [P0] = R5;
-        SSYNC;
-        STI R6;
-
-        ( R7:5) = [SP++];
-        RTS;
-ENDPROC(_blackfin_invalidate_entire_dcache)