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SubjectRe: Staging: vt6656 ?
Hi,

On Sun, Jun 28, 2009 at 05:59:45PM +0200, Bartlomiej Zolnierkiewicz wrote:
> On Sunday 28 June 2009 15:57:31 Forest Bond wrote:
> > Hi,
> >
> > On Sun, Jun 28, 2009 at 03:43:12PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > >
> > > Hi,
> > >
> > > On Tuesday 09 June 2009 13:33:43 Forest Bond wrote:
> > > > Hi,
> > > >
> > > > On Tue, Jun 09, 2009 at 03:51:01AM -0700, Greg KH wrote:
> > > > > On Tue, Jun 09, 2009 at 02:31:30PM +0400, Alexander Beregalov wrote:
> > > > > > Hi Greg, Forest
> > > > > >
> > > > > > Are you going to merge driver for VT6656 also?
> > > > >
> > > > > If someone sends me some patches for it, sure, I will.
> > > >
> > > > I have patches almost ready. I'll send them by the end of next week at the
> > > > latest. Busy week here.
> > >
> > > Did I miss the patch? There are people already doing cleanups for VT6655
> > > driver (which seems to share a great deal of code with VT6656 driver) so
> > > it would greatly help to get VT6656 merged ASAP and merge the shared code
> > > first to not duplicate efforts.
> > >
> > > Also if you need some help with integrating the driver or hosting patches
> > > in git tree at kernel.org before Greg picks them up [ he seems to be buried
> > > alive by patches at the moment :) ] I'll be happy to help..
> >
> > I sent it to Greg about two weeks ago. I assume it is in his queue somewhere.
>
> There seems to be a lot of stuff in his queue.. ;)
>
> > Let me know if you think I ought to do something else with them.
>
> Please re-post with cc:ing linux-kernel so people looking for them (i.e. me)
> can pick them up from the list if needed (please also cc: lkml on all patches
> in the future, thanks!).

Okay. The first patch is quite large, so I will compress it.

> [ I'll later setup vt665x branch of my misc.git tree, merge your patches,
> merge all outstanding vt6655 patches from Alexander and investigate a bit
> more whether merge of vt665x drivers is feasible and what needs to be
> done if so.. ]

Good.

FYI, there is a known issue with the drivers as I've submitted them that causes
lock-ups. Please see the attached message for a suggested fix.

Thanks,
Forest
--
Forest Bond
http://www.alittletooquiet.net
http://www.pytagsfs.org
From: Olivier Blin <blino@mandriva.com>
To: Forest Bond <forest@alittletooquiet.net>
Cc: Gábor Stefanik <netrolller.3d@gmail.com>, Greg KH <greg@kroah.com>,
Larry Finger <Larry.Finger@lwfinger.net>,
"John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org, Dan Williams <dcbw@redhat.com>
Bcc:
Subject: Re: [PATCH] Add vt6656 driver to drivers/staging.
Reply-To:
In-Reply-To: <20090601165207.GA12481@alittletooquiet.net>
X-Spam-Status: No, score=-4.6 required=4.8 tests=AWL,BAYES_00 autolearn=ham
version=3.2.5

Forest Bond <forest@alittletooquiet.net> writes:

> Hi,
>
> On Mon, Jun 01, 2009 at 06:35:35PM +0200, Gábor Stefanik wrote:
>> On Tue, Apr 14, 2009 at 12:52 PM, Forest Bond
>> <forest@alittletooquiet.net> wrote:
>> > This patch adds the vt6656 driver to drivers/staging.  This code was literally
>> > copied from the upstream source archive, available here:
>> >
>> >  http://www.viaarena.com/Driver/VT6656_Linux_src_v1.19_12_x86.zip
>> >
>> > Copyright: VIA Networking Technologies, Inc.
>> > License: GPL
>> > Authors: Jerry Chen, Kyle Hsu, Lucas Lin, Lyndon Chen, Tevin Chen, Warren Hsu,
>> >         Yiching Chen
>> > Signed-off-by: Forest Bond <forest@alittletooquiet.net>
>> >
>> > Patch: http://www.alittletooquiet.net/media/code/0002-Add-vt6656-driver-to-drivers-staging.patch.gz
>> > Signature: http://www.alittletooquiet.net/media/code/0002-Add-vt6656-driver-to-drivers-staging.patch.gz.sig
>>
>> Did this patch (along with the vt6655 one) somehow get lost? I can't
>> see it in drivers/staging.
>
> vt6655 is in drivers/staging on linux-next, although I have three more patches
> that I'll be sending to Greg sometime tonight. He has been applying them for
> me.
>
> vt6656 is currently delayed a bit. I may be able to get a start on that
> tonight, as well, but there is likelihood of further delay.

By the way, are you sure about the hook below about wpactl.c in commit
8f2c32b86b3ac16ba4c93bf0c2b766089644d9d1 ?

If I do the same in vt6656, it is freezing the kernel, or causing random
crashes. Removing the netdev priv assignation makes the driver ok.
I don't think the wpa priv was really useful, but I fail to see where it
was used, and why it caused the hang.

Don't you have the same issue with vt6655?

BTW, I have some patches to send for vt6656, what is the proper place to
submit them since vt6656 is not in staging for now?

diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index ee7109d..cc4f0ad 100644 (file)
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -112,14 +112,17 @@ static void wpadev_setup(struct net_device *dev)

static int wpa_init_wpadev(PSDevice pDevice)
{
+ PSDevice wpadev_priv;
struct net_device *dev = pDevice->dev;
int ret=0;

- pDevice->wpadev = alloc_netdev(0, "vntwpa", wpadev_setup);
+ pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup);
if (pDevice->wpadev == NULL)
return -ENOMEM;

- pDevice->wpadev->priv = pDevice;
+ wpadev_priv = netdev_priv(pDevice->wpadev);
+ *wpadev_priv = *pDevice;
+
memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, U_ETHER_ADDR_LEN);
pDevice->wpadev->base_addr = dev->base_addr;
pDevice->wpadev->irq = dev->irq;
--
Olivier Blin (blino) - Mandriva

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