APPLIED most: [PULL REQ][Trusty SRU] Updates for X-Gene platforms

[Dann Frazier]

On Mon, Jun 30, 2014 at 9:42 AM, Dann Frazier
<dann.frazier at canonical.com> wrote:
> On Mon, Jun 30, 2014 at 9:17 AM, Tim Gardner <tim.gardner at canonical.com> wrote:
>> On 06/30/2014 08:52 AM, Dann Frazier wrote:
>>> On Sun, Jun 29, 2014 at 8:08 PM, Tim Gardner <tim.gardner at canonical.com> wrote:
>>>> On 06/29/2014 11:35 AM, Dann Frazier wrote:
>>>>>
>>>>> This branch includes a backported gpio driver and a couple of SATA
>>>>> fixes for the X-Gene platform.
>>>>> One of the SATA fixes is a revert of a patch that came in via upstream
>>>>> stable that causes a regression for xgene-ahci. See commit logs and
>>>>> referenced BugLinks for full details.
>>>>>
>>>>> git://kernel.ubuntu.com/dannf/trusty-xgene.git for-ubuntu-20140629
>>>>>
>>>>> Change Summary
>>>>> =============
>>>>> LP: #1334823:
>>>>> 70a09a36 UBUNTU: [Config] CONFIG_GPIO_DWAPB=m
>>>>> d1dfa16 UBUNTU: SAUCE: (no-up) arm64: dts: Add Designware GPIO dts
>>>>> binding to APM X-Gene platform
>>>>> 95ab481 gpio: dwapb: use a second irq chip
>>>>> 2e55022 gpio: dwapb: drop irq_setup_generic_chip()
>>>>> b0f208a gpio: add a driver for the Synopsys DesignWare APB GPIO block
>>>>>
>>>>> LP: #1335636:
>>>>> 950863d UBUNTU: SAUCE: (no-up) phy-xgene: Use correct tuning for Mustang
>>>>>
>>>>> LP: #1335645:
>>>>> e411219 Revert "libata/ahci: accommodate tag ordered controllers"
>>>>>
>>>>
>>>> I've applied all but 'Revert "libata/ahci: accommodate tag ordered
>>>> controllers"'. I'm pretty leery of reverting a stable upstream patch in
>>>> order to accommodate early rev x-gene silicon. How about the approach
>>>> suggested in (marc.info/?l=linux-kernel&m=140202343830821&w=2) ? That has
>>>> the advantage of not affecting anything other then x-gene.
>>>
>>> There's that approach, and there's another proposed by APM:
>>>   http://www.spinics.net/lists/linux-scsi/msg75406.html
>>>
>>> I've been carrying APM's proposed fix in my "hyperscale" tree to fix
>>> builds for 3.16, and it seems fine. I'm in the process of testing
>>> those patches on a trusty base, which I've gone ahead and pushed to:
>>>   git://kernel.ubuntu.com/dannf/trusty-xgene.git for-ubuntu-20140630
>>>
>>
>> Those 2 patches look fine. Is that what you want to do ?
>
> Yeah, just wanted to get some testing on that branch first.

Oops - sent too soon. Meant to say "and I did, and it is looking
good". So +1 pulling that.

 -dann

>>> I've also pinged the maintainer to please respond to Tejun's question here:
>>>   http://www.spinics.net/lists/linux-scsi/msg75482.html
>>>
>>>> Is 'gpio: dwapb: drop irq_setup_generic_chip()' a candidate for 3.15 stable
>>>> ?
>>>
>>> Sure looks like it.
>>>
>>
>> hint, hint.
>
> Yeah - need to re-educate myself on the stable submittal process, but
> I'll do that.
>
>   -dann
>
>> rtg
>> --
>> Tim Gardner tim.gardner at canonical.com