Re: [PATCH] spi-nor: intel-spi: Add support for Intel Ice Lake SPI serial flash

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

On Wed, 29 Aug 2018 12:54:22 +0200
Marek Vasut <marek.vasut@xxxxxxxxx> wrote:

> On 08/29/2018 12:44 PM, Joakim Tjernlund wrote:
> > On Wed, 2018-08-29 at 12:33 +0200, Boris Brezillon wrote:  
> >> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.
> >>
> >>
> >> On Wed, 29 Aug 2018 10:28:05 +0000
> >> Joakim Tjernlund <Joakim.Tjernlund@xxxxxxxxxxxx> wrote:
> >>  
> >>> On Wed, 2018-08-29 at 11:17 +0200, Boris Brezillon wrote:  
> >>>> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.
> >>>>
> >>>>
> >>>> Hi Marek,
> >>>>
> >>>> On Tue, 28 Aug 2018 18:56:38 +0200
> >>>> Marek Vasut <marek.vasut@xxxxxxxxx> wrote:
> >>>>  
> >>>>> On 08/28/2018 06:50 PM, Mika Westerberg wrote:  
> >>>>>> Intel Ice Lake exposes the SPI serial flash controller as a PCI device
> >>>>>> in the same way than Intel Denverton. Add Ice Lake SPI serial flash PCI
> >>>>>> ID to the driver list of supported devices.
> >>>>>>
> >>>>>> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>  
> >>>>>
> >>>>> This should probably go through trivial patches ML, no ?  
> >>>>
> >>>> Nope, it should go through the spi-nor tree. Actually, even for trivial
> >>>> fixes like typos, I prefer to take them directly to avoid possible
> >>>> future conflicts in case something changes near the typo.
> >>>>  
> >>>>> Also, CC Stable.  
> >>>>
> >>>> Why? It's adding a new entry in pci_ids[] table, it looks like
> >>>> supporting new HW to me, not fixing a bug.  
> >>>
> >>> So you can boot/use new HW with stable kernels. Stable kernels would become
> >>> useless fairly quickly otherwise.
> >>> HW enablement patches are OK when they don't affect existing HW by much.  
> >>
> >> Where did you get that from? I've always been told that Cc-ing stable
> >> was reserved for bug fixes.  
> > 
> > From following linux dev lists. I don't have a reference, sorry.
> > 
> > If you look at the commit log for stable kernels you will see that a lot more
> > than pure bug fixes. Sometimes backport of new infra structure to
> > allow for easy backporting of fixes too.  
> 
> Documentation/process/stable-kernel-rules.rst
>  24  - New device IDs and quirks are also accepted.
> 
> 

Okay. I didn't know that.

Thanks,

Boris

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