RE: [PATCH] nvme: fix unused variable warning

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> -----Original Message-----
> From: Bjorn Helgaas <helgaas@xxxxxxxxxx>
> Sent: Friday, April 30, 2021 3:01 PM
> To: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxxxx>; Bjorn Helgaas
> <bhelgaas@xxxxxxxxxx>; Liang, Prike <Prike.Liang@xxxxxxx>; S-k, Shyam-
> sundar <Shyam-sundar.S-k@xxxxxxx>; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; Chaitanya Kulkarni
> <chaitanya.kulkarni@xxxxxxx>; Arnd Bergmann <arnd@xxxxxxxx>; Lorenzo
> Pieralisi <lorenzo.pieralisi@xxxxxxx>; Kai-Heng Feng
> <kai.heng.feng@xxxxxxxxxxxxx>; Krzysztof Wilczyński <kw@xxxxxxxxx>;
> Rajat Jain <rajatja@xxxxxxxxxx>; Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx>; linux-pci <linux-
> pci@xxxxxxxxxxxxxxx>; Linux Kernel Mailing List <linux-
> kernel@xxxxxxxxxxxxxxx>
> Subject: Re: [PATCH] nvme: fix unused variable warning
> 
> On Fri, Apr 30, 2021 at 09:34:55PM +0300, Andy Shevchenko wrote:
> > On Fri, Apr 30, 2021 at 8:57 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> > > On Wed, Apr 21, 2021 at 04:04:20PM +0200, Arnd Bergmann wrote:
> > > > From: Arnd Bergmann <arnd@xxxxxxxx>
> > > >
> > > > The function was introduced with a variable that is never referenced:
> > > >
> > > > drivers/pci/quirks.c: In function 'quirk_amd_nvme_fixup':
> > > > drivers/pci/quirks.c:312:25: warning: unused variable 'rdev'
> > > > [-Wunused-variable]
> > > >
> > > > Fixes: 9597624ef606 ("nvme: put some AMD PCIE downstream NVME
> > > > device to simple suspend/resume path")
> > >
> > > I guess this refers to
> > >
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flo
> > > re.kernel.org%2Flinux-nvme%2F1618458725-17164-1-git-send-email-
> Prike
> > >
> .Liang%40amd.com%2F&amp;data=04%7C01%7Calexander.deucher%40amd.
> com%7
> > >
> C23a1908e8a394d957ce908d90c0a4b06%7C3dd8961fe4884e608e11a82d994e1
> 83d
> > >
> %7C0%7C0%7C637554060633362710%7CUnknown%7CTWFpbGZsb3d8eyJWIj
> oiMC4wLj
> > >
> AwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;
> sdat
> > >
> a=Ztcffnpa8rchwe%2Fb6HuHeRASSlNI7uMwAKZuoH5k6CY%3D&amp;reserv
> ed=0
> > >
> > > But I don't know what the SHA1 means; I can't find it in linux-next
> > > or my tree.
> >
> > $ git tag --contains 9597624ef606
> > next-20210416
> > next-20210419
> > next-20210420
> >
> > Something is wrong with your tree.
> 
> I think what's wrong is that it doesn't appear in the *current* linux-next
> (next-20210430) and I don't have all the old linux-next objects.
> 
> It was in next-20210420, but seems to have been dropped since then:

It was in my tree briefly to facilitate testing, but I since dropped it.

Alex

> 
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.k
> ernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Fnext%2Flinux-
> next.git%2Fcommit%2Finclude%2Flinux%2Fpci.h%3Fh%3Dnext-
> 20210420%26id%3D9597624ef6067bab1500d0273a43d4f90e62e929&amp;data
> =04%7C01%7Calexander.deucher%40amd.com%7C23a1908e8a394d957ce908
> d90c0a4b06%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C6375540
> 60633362710%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQ
> IjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=0Rb%2
> F9p8VhmiPu4QP3mEJTUCPe4NNcroFHDhyiYb8h40%3D&amp;reserved=0




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