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From: Matthias Brugger <matthias.bgg@gmail.com>
To: Matthias Kaehlcke <mka@chromium.org>, Pi-Hsun Shih <pihsun@chromium.org>
Cc: Erin Lo <erin.lo@mediatek.com>,
	Nicolas Boichat <drinkcat@chromium.org>,
	Ohad Ben-Cohen <ohad@wizery.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	open list <linux-kernel@vger.kernel.org>,
	"open list:REMOTE PROCESSOR (REMOTEPROC) SUBSYSTEM" 
	<linux-remoteproc@vger.kernel.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH v4 2/6] remoteproc/mediatek: add SCP support for mt8183
Date: Mon, 4 Feb 2019 19:02:17 +0100	[thread overview]
Message-ID: <cc1407f1-c236-f0af-a6c1-366aeac259f4@gmail.com> (raw)
In-Reply-To: <20190202001749.GT81583@google.com>



On 02/02/2019 01:17, Matthias Kaehlcke wrote:
> Hi Pi-Hsun,
> 
> a few comments inline.
> 
> It's the first time I dabble into remoteproc, I don't claim to have a
> complete understanding of the driver at this point ;-)
> 
> On Thu, Jan 31, 2019 at 05:31:27PM +0800, Pi-Hsun Shih wrote:
>> From: Erin Lo <erin.lo@mediatek.com>
>>
>> Provide a basic driver to control Cortex M4 co-processor
>>
>> Signed-off-by: Erin Lo <erin.lo@mediatek.com>
>> Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
>> ---
>> Changes from v3:
>>  - Fix some issue found by checkpatch.
>>  - Make writes aligned in scp_ipi_send.
>>
>> Changes from v2:
>>  - Squash patch 3 from v2 (separate the ipi interface) into this patch.
>>  - Remove unused name argument from scp_ipi_register.
>>  - Add scp_ipi_unregister for proper cleanup.
>>  - Move IPI ids in sync with firmware.
>>  - Add mb() in proper place, and correctly clear the run->signaled.
>>
>> Changes from v1:
>>  - Extract functions and rename variables in mtk_scp.c.
>> ---
>>  drivers/remoteproc/Kconfig            |   9 +
>>  drivers/remoteproc/Makefile           |   1 +
>>  drivers/remoteproc/mtk_common.h       |  73 +++++
>>  drivers/remoteproc/mtk_scp.c          | 441 ++++++++++++++++++++++++++
>>  drivers/remoteproc/mtk_scp_ipi.c      | 157 +++++++++
>>  include/linux/platform_data/mtk_scp.h | 135 ++++++++
>>  6 files changed, 816 insertions(+)
>>  create mode 100644 drivers/remoteproc/mtk_common.h
>>  create mode 100644 drivers/remoteproc/mtk_scp.c
>>  create mode 100644 drivers/remoteproc/mtk_scp_ipi.c
>>  create mode 100644 include/linux/platform_data/mtk_scp.h
>>
>> diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
>> index f0abd260804473..ee0bda23768938 100644
>> --- a/drivers/remoteproc/Kconfig
>> +++ b/drivers/remoteproc/Kconfig
>> @@ -22,6 +22,15 @@ config IMX_REMOTEPROC
>>  
>>  	  It's safe to say N here.
>>  
>> +config MTK_SCP
>> +        tristate "Mediatek SCP support"
>> +        depends on ARCH_MEDIATEK
>> +        help
>> +          Say y here to support Mediatek's SCP (Cortex M4
>> +          on MT8183) via the remote processor framework.
> 
> It would be good to spell out SCP somewhere, e.g.
> 
> "... support Mediatek's system control processor (SCP) via ..."
> 
> the example is less important IMO, though it's prefectly fine if you
> can still squeeze it in ;-)
> 

In which way is this different from
drivers/soc/mediatek/mtk-scpsys.c ?

Regards,
Matthias (the other one ;)

  parent reply	other threads:[~2019-02-04 18:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190131093131.245531-1-pihsun@chromium.org>
2019-01-31  9:31 ` [PATCH v4 1/6] dt-bindings: Add a binding for Mediatek SCP Pi-Hsun Shih
2019-01-31  9:31 ` [PATCH v4 2/6] remoteproc/mediatek: add SCP support for mt8183 Pi-Hsun Shih
2019-02-02  1:03   ` Matthias Kaehlcke
2019-02-04 17:59   ` Matthias Brugger
     [not found]   ` <20190202001749.GT81583@google.com>
2019-02-04 18:02     ` Matthias Brugger [this message]
2019-02-13  3:16       ` Pi-Hsun Shih
2019-02-13  3:20     ` Pi-Hsun Shih
2019-02-13 17:01       ` Matthias Kaehlcke
2019-01-31  9:31 ` [PATCH v4 3/6] rpmsg: add rpmsg support for mt8183 SCP Pi-Hsun Shih
2019-02-04 20:42   ` Matthias Kaehlcke
2019-01-31  9:31 ` [PATCH v4 4/6] mfd: add EC host command support using rpmsg Pi-Hsun Shih
2019-01-31  9:31 ` [PATCH v4 5/6] cros_ec: differentiate SCP from EC by feature bit Pi-Hsun Shih
2019-01-31  9:31 ` [PATCH v4 6/6] remoteproc/mediatek: Load ELF instead of bin file for mtk_scp Pi-Hsun Shih

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