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net: davinci_emac: 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 remaining warnings:
CACHE: Misaligned operation at range

Signed-off-by: Karl Beldan <karl.beldan+oss@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
This commit is contained in:
karl beldan 2016-08-15 17:23:00 +00:00 committed by Joe Hershberger
parent a02c232336
commit 6202b8f28c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/davinci_emac.c
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@ -637,7 +637,7 @@ static int davinci_eth_send_packet (struct eth_device *dev,
EMAC_CPPI_EOP_BIT);
flush_dcache_range((unsigned long)packet,
(unsigned long)packet + length);
(unsigned long)packet + ALIGN(length, PKTALIGN));
/* Send the packet */
writel(BD_TO_HW((unsigned long)emac_tx_desc), &adap_emac->TX0HDP);