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net: mvpp2: Round up top tx buffer boundaries for dcache ops

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check_cache_range() warns that the top boundaries are not properly
aligned when flushing or invalidating the buffers and make these
operations fail.

This gets rid of the warnings:
CACHE: Misaligned operation at range ...

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Stefan Roese 2017-02-16 13:58:37 +01:00
parent e1b27d27a6
commit f811e04ad7
1 changed files with 2 additions and 1 deletions
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drivers/net/mvpp2.c
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@ -3972,7 +3972,8 @@ static int mvpp2_send(struct udevice *dev, void *packet, int length)
| MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC;
/* Flush tx data */
flush_dcache_range((u32)packet, (u32)packet + length);
flush_dcache_range((unsigned long)packet,
(unsigned long)packet + ALIGN(length, PKTALIGN));
/* Enable transmit */
mb();