Re: [PATCH v2 4/5] firmware: add SmPL report for custom fallback mechanism

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On Wed, Jan 11, 2017 at 9:49 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Jan 11, 2017 at 03:02:22PM +0100, Luis R. Rodriguez wrote:
>> On Wed, Jan 11, 2017 at 09:32:26AM +0100, Greg KH wrote:
>> > On Fri, Dec 16, 2016 at 03:10:37AM -0800, Luis R. Rodriguez wrote:
>> > > Even though most distributions today disable the fallback mechanism
>> > > by default we've determined that we cannot remove them from the kernel.
>> > > This is not well understood so document the reason and logic behind that.
>> >
>> > Well, the biggest reason is that some distros still rely on this.  I've
>> > seen new products being made that rely on it,
>>
>> Let's be a bit more precise: upstream there are only two driver relying on this
>> and I've learned about the non-upstream uses which folks have been calling for
>> ensuring this functionality is kept for: a) non-upstream mobile 802.11 drivers or
>> upstream 802.11 drivers with slight out-of-tree customizations with a requirements to
>> get calibration data using custom mechanisms b) remote-proc users with huge firmware
>> requirements for which initramfs is not well suited for.
>
> That b) is a lot of devices, I know of a few million phones in the wild
> right now that rely on it.  And millions is a pretty big number :)
>
> Anyway, thanks for addressing my concerns, I'm guessing you will respin
> these remaining patches and resend them as I think there were still some
> comments on them?  I took the first 3 here.

Yeah sure, I will address these comments.

> Is the "drvdata" code ready in your opinion to be merged / reviewed yet?

drvdata stuff is ready as can be but after the sysdata/drvdata rename
change I failed to change one of the p54 files, I also forgot to Cc
Boris on the microcode conversion so I can just respin the drvdata
series again as a separate series right after I address the concerns
for this series.

 Luis
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