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

[Dann Frazier]

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.

>> 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