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authorSimon Glass <sjg@chromium.org>2016-05-05 07:28:10 -0600
committerAndreas Bießmann <andreas@biessmann.org>2016-06-12 23:49:38 +0200
commitf589f8cca64bddb59fe2409c10ab14529ab47a40 (patch)
treed04d7ee3227dda189c3e930e6c782d1fc9f091f7 /drivers/net
parentd5555b70e6cdbce4e1395f40c19a504015f93668 (diff)
downloadblackbird-obmc-uboot-f589f8cca64bddb59fe2409c10ab14529ab47a40.tar.gz
blackbird-obmc-uboot-f589f8cca64bddb59fe2409c10ab14529ab47a40.zip
net: macb: Flush correct cache portion when sending
The end address of the cache flush must be cache-line-aligned since otherwise (at least on ARM926-EJS) the request is ignored. When the cache is enabled this means that packets are not sent. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/macb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 8be62afbf9..84bae37f37 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -280,7 +280,7 @@ static int _macb_send(struct macb_device *macb, const char *name, void *packet,
barrier();
macb_flush_ring_desc(macb, TX);
/* Do we need check paddr and length is dcache line aligned? */
- flush_dcache_range(paddr, paddr + length);
+ flush_dcache_range(paddr, paddr + ALIGN(length, ARCH_DMA_MINALIGN));
macb_writel(macb, NCR, MACB_BIT(TE) | MACB_BIT(RE) | MACB_BIT(TSTART));
/*
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