cpsw tries to flush dcache which is not in the range of PKTALIGN.
Because of this the following warning comes while flushing:
CACHE: Misaligned operation at range [dffecec0, dffed016]
Fix it by flushing cache of size aligned to PKTALIGN.
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
drivers/net/cpsw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 2ce4ec6..300a534 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -907,7 +907,7 @@ static int _cpsw_send(struct cpsw_priv *priv, void *packet,
int length)
int timeout = CPDMA_TIMEOUT;
flush_dcache_range((unsigned long)packet,
- (unsigned long)packet + length);
+ (unsigned long)packet + ALIGN(length, PKTALIGN));
/* first reap completed packets */
while (timeout-- &&
--
2.9.2
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