Re: [patch v3] drivers/platform/x86: introduce support for Mellanox hotplug driver

From: Jiri Pirko
Date: Sun Oct 23 2016 - 04:24:22 EST


Sun, Oct 23, 2016 at 08:14:53AM CEST, vadimp@xxxxxxxxxxxx wrote:
>
>
>> -----Original Message-----
>> From: Darren Hart [mailto:dvhart@xxxxxxxxxxxxx]
>> Sent: Friday, October 21, 2016 9:42 PM
>> To: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
>> Cc: davem@xxxxxxxxxxxxx; geert@xxxxxxxxxxxxxx; akpm@linux-
>> foundation.org; kvalo@xxxxxxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx;
>> mchehab@xxxxxxxxxx; linux@xxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
>> platform-driver-x86@xxxxxxxxxxxxxxx; jiri@xxxxxxxxxxx
>> Subject: Re: [patch v3] drivers/platform/x86: introduce support for Mellanox
>> hotplug driver
>>
>> On Thu, Oct 20, 2016 at 04:28:01PM +0000, vadimp@xxxxxxxxxxxx wrote:
>> > From: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
>> >
>> > Enable system support for the Mellanox Technologies hotplug platform
>> > driver, which provides support for the next Mellanox basic systems:
>> > "msx6710", "msx6720", "msb7700", "msn2700", "msx1410", "msn2410",
>> > "msb7800", "msn2740", "msn2100" and also various number of derivative
>> > systems from the above basic types.
>> > This driver handles hot-plug events for the power suppliers, power
>> > cables and fans for the above systems.
>> >
>> > The Kconfig currently controlling compilation of this code is:
>> > driver/platform/x86:config MLX_CPLD_PLATFORM
>> > tristate "Mellanox platform hotplug driver support"
>> >
>> > Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
>> > ---
>> > v1->v2:
>> > Comments pointed out by Darren:
>> > - remove whitespaces in config;
>> > - remove redundant includes for header files;
>> > - fix comments styling;
>> > - fix register value assignment in mlxcpld_hotplug_attr_show;
>> > - mlxcpld_hotplug_attr_init - use local aliases to reduce line
>> > length;
>> > - Add fields description in the struct mlxcpld_hotplug_device;
>> > v2->v3:
>> > Comments pointed out by Darren:
>> > - Fix structures and enum comments in mlxcpld-hotplug.c according to
>> > Documentation/kernel-documentation.rst guideline;
>> > - Assign and mask aggregation status in mlxcpld_hotplug_work_handler on
>> > the same line.
>> > - Refactor mlxcpld_hotplug_work_handler. Make common helper routine for
>> > each attribute type.
>> > - Produce error message in case signal is not expected.
>> > - Fix header file according to Documentation/kernel-documentation.rst
>> > guideline;
>>
>> > Fix added by Vadim:
>> > Fix re-scheduling flow for possibly missed signals. By mistake it
>> > was coupled with FAN.
>>
>> Thanks Vadim. Merged to for-next for 4.10.
>>
>> Also for 4.10, it would be good to move mlx-platform out of arch/x86/platform
>> to
>> drivers/platform/x86 as it isn't an architectural driver. Would you be able to
>> prepare the patch?
>
>Hi Darren,
>
>Thank you very much for all your reviews.
>
>Sure, I'll prepare the patch.
>
>Should it be submitted in two different patches (remove in git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git; and add in
>git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git)?
>Or in one patch, in git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git?

One patch, please.


>
>Thanks,
>Vadim.
>
>>
>> Thanks,
>>
>> --
>> Darren Hart
>> Intel Open Source Technology Center