From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 1/6] net: designware: Fix broken cache invalidate
Date: Mon, 9 Sep 2013 16:53:16 +0200 [thread overview]
Message-ID: <1378738401-723-2-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1378738401-723-1-git-send-email-s.hauer@pengutronix.de>
Move the cache invalidation of a received packet before we actually
use it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/net/designware.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index a6b32b9..45de31c 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -337,14 +337,15 @@ static int dwc_ether_rx(struct eth_device *dev)
length = (status & DESC_RXSTS_FRMLENMSK) >> \
DESC_RXSTS_FRMLENSHFT;
- net_receive(desc_p->dmamac_addr, length);
-
/*
* Make the current descriptor valid again and go to
* the next one
*/
dma_inv_range((unsigned long)desc_p->dmamac_addr,
(unsigned long)desc_p->dmamac_addr + length);
+
+ net_receive(desc_p->dmamac_addr, length);
+
desc_p->txrx_status |= DESC_RXSTS_OWNBYDMA;
/* Test the wrap-around condition. */
--
1.8.4.rc3
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next prev parent reply other threads:[~2013-09-09 14:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-09 14:53 [PATCH] net: designware patches Sascha Hauer
2013-09-09 14:53 ` Sascha Hauer [this message]
2013-09-09 14:53 ` [PATCH 2/6] net: designware: drop HAS_DESIGNWARE_ETH Sascha Hauer
2013-09-09 14:53 ` [PATCH 3/6] net: designware: use dma_alloc for descriptors Sascha Hauer
2013-09-09 14:53 ` [PATCH 4/6] net: designware: make alt/enhanced descriptor runtime configurable Sascha Hauer
2013-09-09 14:53 ` [PATCH 5/6] net: designware: Add decvicetree support Sascha Hauer
2013-09-09 14:53 ` [PATCH 6/6] net: designware: remove backspaces from code Sascha Hauer
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