linux-kernel - [PATCH][Resend][BUILD FAILURE 04/04] Next June 04:PPC64 randconfig [drivers/net/ucc

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Message-Id: <20090611021319.12649.84902.sendpatchset@subratamodak.linux.ibm.com>
Date:	Thu, 11 Jun 2009 07:43:19 +0530
From:	Subrata Modak <subrata@...ux.vnet.ibm.com>
To:	michael@...erman.id.au, netdev@...r.kernel.org,
	Li Yang <leoli@...escale.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Sachin P Sant <sachinp@...ux.vnet.ibm.com>,
	Linux-Next <linux-next@...r.kernel.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Subrata Modak <subrata@...ux.vnet.ibm.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Linuxppc-dev <Linuxppc-dev@...abs.org>
Subject: [PATCH][Resend][BUILD FAILURE 04/04] Next June 04:PPC64 randconfig [drivers/net/ucc_geth.o]

Hi Michael,

>On Thu, 2009-06-11 at 12:03 +1000, Michael Ellerman wrote:
>On Thu, 2009-06-11 at 07:26 +0530, Subrata Modak wrote:
> > On Thu, 2009-06-11 at 11:05 +1000, Stephen Rothwell wrote:
> > > Hi Subrata,
> > > 
> > > On Wed, 10 Jun 2009 23:13:23 +0530 Subrata Modak <subrata@...ux.vnet.ibm.com> wrote:
> > > >
> > > >  	/* Find the TBI PHY.  If it's not there, we don't support SGMII */
> > > > -	ph = of_get_property(np, "tbi-handle", NULL);
> > > > +	ph = (phandle *)of_get_property(np, "tbi-handle", NULL);
> > > 
> > > You don't need this cast because of_get_property() returns "void *".
> > 
> > Stephen,
> > 
> > True. But without this gcc complains:
> > 
> > CC [M]  drivers/net/ucc_geth.o
> > drivers/net/ucc_geth.c: In function ‘ucc_geth_probe’:
> > drivers/net/ucc_geth.c:3824: warning: assignment discards qualifiers from pointer target type
>                                                            ^^^^^^^^^^^
> 
> And what does that warning actually mean?
> 
> Your cast actually introduces a bug.
>

Ok fine. Here is a revised patch.

Subject: [PATCH][Resend][BUILD FAILURE 04/04] Next June 04:PPC64 randconfig [drivers/net/ucc_geth.o]
Reference(s):
http://lkml.org/lkml/2009/6/4/241,
http://lkml.org/lkml/2009/6/10/338,

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 20:53:25.000000000 -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;
+	phandle *ph;
 	struct device *device = &ofdev->dev;
 	struct device_node *np = ofdev->node;
 	struct net_device *dev = NULL;

---
Regards--
Subrata

> cheers
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