netdev - Re: [PATCH][Resend 2][BUILD FAILURE 04/04] Next June 04:PPC64 randconfig [drivers/net/ucc

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Date:	Wed, 17 Jun 2009 14:37:38 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Kumar Gala <galak@...nel.crashing.org>, subrata@...ux.vnet.ibm.com,
	netdev@...r.kernel.org, Li Yang <leoli@...escale.com>,
	Nathan Lynch <ntl@...ox.com>,
	Sachin P Sant <sachinp@...ux.vnet.ibm.com>,
	Linux-Next <linux-next@...r.kernel.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Linuxppc-dev <Linuxppc-dev@...abs.org>,
	Tony Breeds <tony@...eyournoodle.com>, michael@...erman.id.au,
	Haiying Wang <Haiying.Wang@...escale.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH][Resend 2][BUILD FAILURE 04/04] Next June 04:PPC64 
	randconfig [drivers/net/ucc_geth.o]

On Wed, Jun 17, 2009 at 11:29 AM, Grant Likely<grant.likely@...retlab.ca> wrote:
> On Wed, Jun 17, 2009 at 7:34 AM, Stephen Rothwell<sfr@...b.auug.org.au> wrote:
>> On Wed, 17 Jun 2009 23:23:41 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>>>
>>> Hi Kumar,
>>>
>>> On Wed, 17 Jun 2009 08:07:47 -0500 Kumar Gala <galak@...nel.crashing.org> wrote:
>>> >
>>> >
>>> > I'm confused by the proposed fix as we already have *mdio & *ph
>>> > defined in this function:
>>>
>>> Which tree are you looking at?  Linus' tree, and linux-next, do not have
>>> those local variables ...
>>
>> Hmmm, commit 0b9da337dca972e7a4144e298ec3adb8f244d4a4 ("net: Rework
>> ucc_geth driver to use of_mdio infrastructure") removed the locals along
>> with their usages, then commit 047584ce94108012288554a5f84585d792cc7f8f
>> ("net/ucc_geth: Add SGMII support for UEC GETH driver") added more uses
>> without adding the variables back.
>>
>> Here is the patch again:
>>
>> From: Subrata Modak <subrata@...ux.vnet.ibm.com>
>> Subject: [PATCH] Fix build error in ucc_geth.c
>>
>> Fix the following build error:
>>
>> drivers/net/ucc_geth.c: In function bucc_geth_probeb:
>> drivers/net/ucc_geth.c:3822: error: 'ph' undeclared (first use in this function)
>> drivers/net/ucc_geth.c:3822: error: (Each undeclared identifier is reported only once
>> drivers/net/ucc_geth.c:3822: error: for each function it appears in.)
>> drivers/net/ucc_geth.c:3832: error: 'mdio' undeclared (first use in this function)
>> make[2]: *** [drivers/net/ucc_geth.o] Error 1
>>
>> Signed-off-by: Subrata Modak <subrata@...ux.vnet.ibm.com>
>>
>> --- linux-2.6.30-rc8/drivers/net/ucc_geth.c.orig        2009-06-10 11:58:39.000000000 -0500
>> +++ linux-2.6.30-rc8/drivers/net/ucc_geth.c     2009-06-10 22:28:13.000000000 -0500
>> @@ -3595,6 +3595,8 @@ static const struct net_device_ops ucc_g
>>
>>  static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
>>  {
>> +       struct device_node *mdio;
>> +       const phandle *ph;
>>        struct device *device = &ofdev->dev;
>>        struct device_node *np = ofdev->node;
>>        struct net_device *dev = NULL;
>
> Ah, this might not be the right fix then.  I'll look.

Yeah, this is not the right fix.  The SGMII change doesn't mesh well
with the of_mdio changes and needed some rewriting.  I'm about to post
a patch (compile tested only) which should make things happy.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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