bootm: Simplying cache flush code

[oweals/u-boot.git] / common / bootm.c

diff --git a/common/bootm.c b/common/bootm.c
index 3adbceaa38e381c62f569fa1ecdff8852756d8b8..42358b81fc9abf92689f7d6cbf9e78c3c7cee7b5 100644 (file)
--- a/common/bootm.c
+++ b/common/bootm.c
@@ -450,7 +450,6 @@ static int bootm_load_os(bootm_headers_t *images, int boot_progress)
        ulong image_start = os.image_start;
        ulong image_len = os.image_len;
        ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN);
-       ulong flush_len;
        bool no_overlap;
        void *load_buf, *image_buf;
        int err;
@@ -465,11 +464,7 @@ static int bootm_load_os(bootm_headers_t *images, int boot_progress)
                return err;
        }
 
-       flush_len = load_end - load;
-       if (flush_start < load)
-               flush_len += load - flush_start;
-
-       flush_cache(flush_start, ALIGN(flush_len, ARCH_DMA_MINALIGN));
+       flush_cache(flush_start, ALIGN(load_end, ARCH_DMA_MINALIGN) - flush_start);
 
        debug("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end);
        bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);