From 1923815d855e1daec931fc9f2221fb73ca708870 Mon Sep 17 00:00:00 2001
From: Kevin Hao <kexin.hao@windriver.com>
Date: Sat, 21 Jun 2008 18:20:35 +0800
Subject: [PATCH] e100: Do pci_dma_sync after skb_alloc for proper operation on
ixp4xx
The E100 device can't work on current kernel (2.6.26-rc6) and will cause
kernel corruption on intel ixdp4xx.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
drivers/net/e100.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index f3cba5e24ec5..1037b1332312 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1803,6 +1803,8 @@ static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)
if (rx->prev->skb) {
struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data;
put_unaligned_le32(rx->dma_addr, &prev_rfd->link);
+ pci_dma_sync_single_for_device(nic->pdev, rx->prev->dma_addr,
+ sizeof(struct rfd), PCI_DMA_TODEVICE);
}
return 0;
--
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