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

[Marek Vasut <marek.vasut@xxxxxxxxx>]

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.


-- 
Best regards,
Marek Vasut

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