arm: Don't invalidate unaligned cache regions

At present armv7 will unhappily invalidate a cache region and print an
error message. Make it skip the operation instead, as it does with other
cache operations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>

diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c
index 2b6312099dfc8b779304494305b9808b74e86cdb..52f18565db2726844a075b82e15b60a8978c16f7 100644 (file)
--- a/arch/arm/cpu/armv7/cache_v7.c
+++ b/arch/arm/cpu/armv7/cache_v7.c
@@ -44,27 +44,8 @@ static void v7_dcache_inval_range(u32 start, u32 stop, u32 line_len)
 {
        u32 mva;
 
-       /*
-        * If start address is not aligned to cache-line do not
-        * invalidate the first cache-line
-        */
-       if (start & (line_len - 1)) {
-               printf("ERROR: %s - start address is not aligned - 0x%08x\n",
-                       __func__, start);
-               /* move to next cache line */
-               start = (start + line_len - 1) & ~(line_len - 1);
-       }
-
-       /*
-        * If stop address is not aligned to cache-line do not
-        * invalidate the last cache-line
-        */
-       if (stop & (line_len - 1)) {
-               printf("ERROR: %s - stop address is not aligned - 0x%08x\n",
-                       __func__, stop);
-               /* align to the beginning of this cache line */
-               stop &= ~(line_len - 1);
-       }
+       if (!check_cache_range(start, stop))
+               return;
 
        for (mva = start; mva < stop; mva = mva + line_len) {
                /* DCIMVAC - Invalidate data cache by MVA to PoC */