Thread (8 messages) 8 messages, 3 authors, 2013-10-31

[PATCH] ARM: kirkwood: remove lagacy clk workarounds

From: sebastian.hesselbarth@gmail.com (Sebastian Hesselbarth)
Date: 2013-10-18 17:44:07
Also in: lkml

On 10/18/2013 07:27 PM, Sebastian Hesselbarth wrote:
On 10/18/2013 06:17 PM, Ezequiel Garcia wrote:
quoted
On Fri, Oct 18, 2013 at 10:47:41AM -0400, Jason Cooper wrote:
quoted
On Fri, Oct 18, 2013 at 01:54:13PM +0200, Sebastian Hesselbarth wrote:
quoted
With legacy devices converted to DT and a proper ethernet MAC
workaround, we can now remove the clk workarounds for legacy
devices. While at it, also cleanup the list of includes.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
---
As a follow-up patch for latest mvebu PRs, this patch is based on
  git://git.infradead.org/linux-mvebu.git tags/soc-3.13-2

Cc: Jason Cooper <redacted>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Russell King <redacted>
Cc: Kevin Hilman <redacted>
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
---
  arch/arm/mach-kirkwood/board-dt.c |   42
++----------------------------------
  1 files changed, 3 insertions(+), 39 deletions(-)
Applied to mvebu/soc
Weird: I've tried to do this clean-up myself and my usual tests with
network
built as a module failed somehow. Maybe I missed something and did
something
stupid?
Ezequiel,

you need commits
b5d82db net: mv643xx_eth: fix missing device_node for port devices
f564412 net: mv643xx_eth: fix orphaned statistics timer crash
041b4dd net: mv643xx_eth: update statistics timer from timer context only

from git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git master

Those are the three net driver fixes and have not yet been pulled into
mainline linux.

Can you re-test with those three applied (or you can just merge in
above master)? I am compiling right now and will report.
With mvebu/for-next and net/master merged in,
modular mvmdio and mv643xx_eth on Kirkwood Dockstar:

Tested-by: Sebastian Hesselbarth <redacted>

IOW, works. I hope you can confirm this, too.

Sebastian

Log follows:
---
Uncompressing Linux... done, booting the kernel.
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 3.12.0-rc3-00388-g863cf23 (hesselba at nijin) 
(gcc version 4.3.5 (Debian 4.3.5-4) ) #26 PREEMPT Fri Oct 18 19:30:40 
CEST 2013
[    0.000000] CPU: Feroceon 88FR131 [56251311] revision 1 (ARMv5TE), 
cr=00053977
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] Machine: Marvell Kirkwood (Flattened Device Tree), model: 
Seagate FreeAgent Dockstar
...
[    0.165779] [Firmware Info]: 
/ocp at f1000000/ethernet-controller at 72000/ethernet0-port at 0: 
local-mac-address is not set
...
root at cosmo:~# insmod mvmdio.ko
[  206.994283] libphy: orion_mdio_bus: probed
root at cosmo:~# insmod mv643xx_eth.ko
[  210.725345] mv643xx_eth: MV-643xx 10/100/1000 ethernet driver version 1.4
[  211.748687] mv643xx_eth_port mv643xx_eth_port.0 eth0: port 0 with MAC 
address 02:50:43:19:fd:e2
[  214.599588] mv643xx_eth_port mv643xx_eth_port.0 eth0: link up, 1000 
Mb/s, full duplex, flow control disabled
...
root at cosmo:~# dhclient eth0
...
RTNETLINK answers: File exists 

root at cosmo:~# ifconfig 

eth0      Link encap:Ethernet  HWaddr 02:50:43:19:fd:e2 

           inet addr:192.168.1.54  Bcast:192.168.1.255  Mask:255.255.255.0
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:17 errors:0 dropped:0 overruns:0 frame:0
           TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:2822 (2.7 KiB)  TX bytes:4049 (3.9 KiB)
           Interrupt:29
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