[U-Boot] [PATCH 1/2] cmd_nand: dump: Align data and OOB buffers

Thierry Reding thierry.reding at avionic-design.de
Tue Jul 31 08:21:55 CEST 2012


In order for cache invalidation and flushing to work properly, the data
and OOB buffers must be aligned to full cache lines.

Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
---
 common/cmd_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index a91ccf4..4367f5a 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -48,8 +48,8 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
 
 	last = off;
 
-	datbuf = malloc(nand->writesize);
-	oobbuf = malloc(nand->oobsize);
+	datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize);
+	oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize);
 	if (!datbuf || !oobbuf) {
 		puts("No memory for page buffer\n");
 		return 1;
-- 
1.7.11.3



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