diff options
| author | Stefan Roese <sr@denx.de> | 2016-11-18 17:21:51 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2016-12-05 13:53:42 +0100 |
| commit | 5102af4d2f53ec8d76ce60d103c65ae062b9c8fe (patch) | |
| tree | 5044daa490288c04ba7066e0580ddcbac7cbb8bf /drivers/block | |
| parent | 059f75d501c8a92c6e25b6996e28a81ee6cb0418 (diff) | |
sata: sata_mv: Fix misaligned cache warnings
This patch fixes the warnings about misaligned cache on Armada XP:
CACHE: Misaligned operation at range [7facb400, 7facb460]
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/sata_mv.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/block/sata_mv.c b/drivers/block/sata_mv.c index 414d2dc464..78e3da442d 100644 --- a/drivers/block/sata_mv.c +++ b/drivers/block/sata_mv.c @@ -572,6 +572,7 @@ static int mv_ata_exec_ata_cmd(int port, struct sata_fis_h2d *cfis, struct mv_priv *priv = (struct mv_priv *)sata_dev_desc[port].priv; struct crqb *req; int slot; + u32 start; if (len >= 64 * 1024) { printf("We only support <64K transfers for now\n"); @@ -628,7 +629,9 @@ static int mv_ata_exec_ata_cmd(int port, struct sata_fis_h2d *cfis, CRQB_SECTCOUNT_COUNT_EXP_MASK; /* Flush data */ - flush_dcache_range((u32)req, (u32)req + sizeof(*req)); + start = (u32)req & ~(ARCH_DMA_MINALIGN - 1); + flush_dcache_range(start, + start + ALIGN(sizeof(*req), ARCH_DMA_MINALIGN)); /* Trigger operation */ slot = get_next_reqip(port); @@ -643,8 +646,11 @@ static int mv_ata_exec_ata_cmd(int port, struct sata_fis_h2d *cfis, process_responses(port); /* Invalidate data on read */ - if (buffer && len) - invalidate_dcache_range((u32)buffer, (u32)buffer + len); + if (buffer && len) { + start = (u32)buffer & ~(ARCH_DMA_MINALIGN - 1); + invalidate_dcache_range(start, + start + ALIGN(len, ARCH_DMA_MINALIGN)); + } return len; } |