From 1c716437d5b7caaaae1159ffa1e20381aad658c9 Mon Sep 17 00:00:00 2001 From: Ian Lepore Date: Sun, 16 Nov 2014 20:59:27 +0000 Subject: [PATCH] Do the cache invalidate sequence from the outermost to innermost, required for correct operation. Submitted by: Michal Meloun --- sys/arm/arm/busdma_machdep-v6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/arm/arm/busdma_machdep-v6.c b/sys/arm/arm/busdma_machdep-v6.c index 5d19b7e0aeee..4f372f272df5 100644 --- a/sys/arm/arm/busdma_machdep-v6.c +++ b/sys/arm/arm/busdma_machdep-v6.c @@ -1372,8 +1372,8 @@ _bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, bus_dmasync_op_t op) len = (len - (len & arm_dcache_align_mask)) + arm_dcache_align; - cpu_dcache_inv_range(startv, len); l2cache_inv_range(startv, startp, len); + cpu_dcache_inv_range(startv, len); if (bpage->datavaddr != 0) bcopy((void *)bpage->vaddr, (void *)bpage->datavaddr,