linux-kernel - Re: [GIT PULL] qcom SoC changes for v3.20

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Date:	Thu, 22 Jan 2015 19:00:49 -0800
From:	Olof Johansson <olof@...om.net>
To:	Kumar Gala <galak@...eaurora.org>
Cc:	"arm@...nel.org" <arm@...nel.org>,
	Kevin Hilman <khilman@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Lina Iyer <lina.iyer@...aro.org>,
	Saravana Kannan <skannan@...eaurora.org>,
	Olav Haugan <ohaugan@...eaurora.org>,
	Vikram Mulukutla <markivx@...eaurora.org>
Subject: Re: [GIT PULL] qcom SoC changes for v3.20

On Thu, Jan 22, 2015 at 9:02 AM, Kumar Gala <galak@...eaurora.org> wrote:
>
> On Jan 21, 2015, at 7:15 PM, Olof Johansson <olof@...om.net> wrote:
>
>> Hi,
>>
>>
>> On Mon, Jan 19, 2015 at 12:27:15PM -0600, Kumar Gala wrote:
>>> The following changes since commit 97bf6af1f928216fd6c5a66e8a57bfa95a659672:
>>>
>>>  Linux 3.19-rc1 (2014-12-20 17:08:50 -0800)
>>>
>>> are available in the git repository at:
>>>
>>>  git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom.git tags/qcom-soc-for-3.20
>>>
>>> for you to fetch changes up to ae0a6075c046f9c8dbac18f53a779592f97b402e:
>>>
>>>  soc: qcom: scm: Clarify boot interface (2015-01-19 11:55:12 -0600)
>>>
>>> ----------------------------------------------------------------
>>> Qualcomm ARM Based SoC Updates for v3.20
>>>
>>> * Moved scm support into drivers/soc/qcom (allows for use by drivers)
>>> * Various bug fixes and minor feature additions to scm code
>>> * Added big-endian support to debug MSM uart
>>> * Added big-endian support to ARCH_QCOM
>>>
>>> ----------------------------------------------------------------
>>> Lina Iyer (2):
>>>      ARM: qcom: Add SCM warmboot flags for quad core targets.
>>>      soc: qcom: scm: Move scm-boot files to drivers/soc and include/soc
>>>
>>> Olav Haugan (1):
>>>      ARM: qcom: scm: Add logging of actual return code from scm call
>>>
>>> Saravana Kannan (1):
>>>      ARM: qcom: scm: Add API to query for service/command availability.
>>>
>>> Stephen Boyd (9):
>>>      ARM: debug: Update MSM and QCOM DEBUG_LL help
>>>      ARM: debug: msm: Support big-endian CPUs
>>>      ARM: qcom: Select ARCH_SUPPORTS_BIG_ENDIAN
>>>      ARM: qcom: scm: Fix incorrect cache invalidation
>>>      ARM: qcom: scm: Get cacheline size from CTR
>>>      ARM: qcom: scm: Add a feat version query API
>>>      soc: qcom: scm: Move the scm driver to drivers/soc/qcom
>>
>> I replied on the patch here just now. This isn't the right thing to do,
>> as far as I can tell.
>>
>> Seems like sending a fresh request with the material besides the move
>> to drivers/soc should be mergeable though, so feel free to do that while
>> the rest is hashed out.
>
> Would the following be ok (dropped the move to drivers/soc and some additional unused scm APIs as of right now):
>
> ARM: qcom: Drop unnecessary selects from ARCH_QCOM
> ARM: qcom: scm: Clarify boot interface
> ARM: qcom: Add SCM warmboot flags for quad core targets.
> ARM: qcom: scm: Add logging of actual return code from scm call
> ARM: qcom: scm: Flush the command buffer only instead of the entire cache
> ARM: qcom: scm: Get cacheline size from CTR
> ARM: qcom: scm: Fix incorrect cache invalidation
> ARM: qcom: Select ARCH_SUPPORTS_BIG_ENDIAN
> ARM: debug: msm: Support big-endian CPUs
> ARM: debug: Update MSM and QCOM DEBUG_LL help
>
>  Kconfig.debug        |    5 ++--
>  include/debug/msm.S  |    6 +++++
>  mach-qcom/Kconfig    |    3 --
>  mach-qcom/scm-boot.c |    2 -
>  mach-qcom/scm-boot.h |    4 ++-
>  mach-qcom/scm.c      |   55 +++++++++++++++++++++++++++++++++++++--------------
>  6 files changed, 54 insertions(+), 21 deletions(-)

I'd be OK with merging this, send a request and tag. Would that let
the DRM folks make progress too?

If you need a common place for this, drivers/firmware seems like a
better home than drivers/soc.


-Olof
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