linux-kernel - [PATCH] drivers: net: ethernet: xilinx: xilinx_emaclite: Compatible with 'xlnx,xps-ethernetlite-2.00.b' for QEMU using

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Message-ID: <54544E98.4060007@gmail.com>
Date:	Sat, 01 Nov 2014 11:08:08 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	michal.simek@...inx.com, soren.brinkmann@...inx.com
CC:	davem@...emloft.net, sthokal@...inx.com, manuel.schoelling@....de,
	paul.gortmaker@...driver.com, f.fainelli@...il.com,
	ebiederm@...ssion.com, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] drivers: net: ethernet: xilinx: xilinx_emaclite: Compatible
 with 'xlnx,xps-ethernetlite-2.00.b' for QEMU using

When use current latest upstream qemu (current version: 2.1.2), need let
driver compatible with 'xlnx,xps-ethernetlite-2.00.b', or can not find
net device in microblaze qemu. Related QEMU commands under fedora 20:

  yum install libvirt
  yum install tunctl
  tunctl -b
  ip link set tap0 up
  brctl addif virbr0 tap0
  ./microblaze-softmmu/qemu-system-microblaze -M petalogix-s3adsp1800 \
    -kernel ../linux-stable.microblaze/arch/microblaze/boot/linux.bin \
    -no-reboot -append "console=ttyUL0,115200 doreboot" -nographic \
    -net nic,vlan=0,model=xlnx.xps-ethernetlite,macaddr=00:16:35:AF:94:00 \
    -net tap,vlan=0,ifname=tap0,script=no,downscript=no

  in microblaze qemu bash (guest machine):

    ifconfig eth0 add 192.168.122.1 netmask 255.255.255.0
    ifconfig eth0 up

After add this patch, can find the device, and can be used by 'telnetd'
(need cross-build busybox with glibc for it), then outside can telnet to
it without password.

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 drivers/net/ethernet/xilinx/xilinx_emaclite.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 28dbbdc..298fad3 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -1236,6 +1236,7 @@ static struct of_device_id xemaclite_of_match[] = {
 	{ .compatible = "xlnx,opb-ethernetlite-1.01.b", },
 	{ .compatible = "xlnx,xps-ethernetlite-1.00.a", },
 	{ .compatible = "xlnx,xps-ethernetlite-2.00.a", },
+	{ .compatible = "xlnx,xps-ethernetlite-2.00.b", },
 	{ .compatible = "xlnx,xps-ethernetlite-2.01.a", },
 	{ .compatible = "xlnx,xps-ethernetlite-3.00.a", },
 	{ /* end of list */ },
-- 
1.9.3
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