From b572595ee95829ab62e354c55a8fbd0f4db23935 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 29 Jul 2012 20:53:25 +0000 Subject: nand: Try to align the default buffers The NAND layer needs to use cache-aligned buffers by default. Towards this goal. align the default buffers and their members according to the minimum DMA alignment defined for the architecture. Signed-off-by: Simon Glass Signed-off-by: Tom Warren Acked-by: Scott Wood --- include/linux/mtd/nand.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'include/linux') diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 82704de083..dc839e7153 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -391,9 +391,10 @@ struct nand_ecc_ctrl { * consecutive order. */ struct nand_buffers { - uint8_t ecccalc[NAND_MAX_OOBSIZE]; - uint8_t ecccode[NAND_MAX_OOBSIZE]; - uint8_t databuf[NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE]; + uint8_t ecccalc[ALIGN(NAND_MAX_OOBSIZE, ARCH_DMA_MINALIGN)]; + uint8_t ecccode[ALIGN(NAND_MAX_OOBSIZE, ARCH_DMA_MINALIGN)]; + uint8_t databuf[ALIGN(NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE, + ARCH_DMA_MINALIGN)]; }; /** -- cgit v1.2.3