linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: "Mani, Rajmohan" <rajmohan.mani@intel.com>
Cc: Sakari Ailus <sakari.ailus@iki.fi>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
	Lee Jones <lee.jones@linaro.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Alexandre Courbot <gnurou@gmail.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>
Subject: Re: [PATCH v1 2/3] gpio: Add support for TPS68470 GPIOs
Date: Mon, 12 Jun 2017 12:29:32 +0300	[thread overview]
Message-ID: <CAHp75Vd==vnSo7P2kozDrPdu+1WB8O3fck3ELbK4aAqW9tvppQ@mail.gmail.com> (raw)
In-Reply-To: <6F87890CF0F5204F892DEA1EF0D77A59725BF45D@FMSMSX114.amr.corp.intel.com>

On Mon, Jun 12, 2017 at 12:17 PM, Mani, Rajmohan
<rajmohan.mani@intel.com> wrote:
>> Subject: Re: [PATCH v1 2/3] gpio: Add support for TPS68470 GPIOs
>> On Sun, Jun 11, 2017 at 7:50 PM, Sakari Ailus <sakari.ailus@iki.fi> wrote:
>> > On Sun, Jun 11, 2017 at 04:40:16PM +0300, Andy Shevchenko wrote:
>> >> On Sun, Jun 11, 2017 at 2:30 PM, Sakari Ailus <sakari.ailus@iki.fi> wrote:

>> >> > Again, I'm not really worried about this driver, but the ACPI
>> >> > tables. How does the difference show there?
>> >>
>> >> Same way. You will have common numbering over the chip [0, 9]. It
>> >> will be just an abstraction inside the driver.

>> > Sounds fine to me, taken that this does not add complications to ACPI
>> > tables.
>>
>> They just need to share the same ACPI_HANDLE (it might require to do this in
>> generic way in gpiolib) and have a continuous numbering (easy to achieve with
>> carefully chosen bases).

> Few clarifications...
>
> Are you implying new kernel changes are needed in gpiolib to accommodate 2 GPIO chips?

Might be needed. It should be investigated first.
In any case it would be somelike oneliner.

> Does it need changes in platform firmware or is it expected to work just with the gpiolib changes that you described above?

No firmware changes are implied.

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2017-06-12  9:29 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-06 11:55 [PATCH v1 0/3] TPS68470 PMIC drivers Rajmohan Mani
2017-06-06 11:55 ` [PATCH v1 1/3] mfd: Add new mfd device TPS68470 Rajmohan Mani
2017-06-06 12:48   ` Heikki Krogerus
2017-06-09 22:04     ` Mani, Rajmohan
2017-06-06 12:59   ` Andy Shevchenko
2017-06-07 11:58     ` Sakari Ailus
2017-06-09 22:12       ` Mani, Rajmohan
2017-06-12  8:20         ` Lee Jones
2017-06-12  9:20           ` Mani, Rajmohan
2017-07-19 23:23             ` Mani, Rajmohan
2017-07-20  8:15               ` Lee Jones
2017-06-09 22:09     ` Mani, Rajmohan
2017-06-07  2:10   ` kbuild test robot
2017-06-07 10:07   ` kbuild test robot
2017-06-06 11:55 ` [PATCH v1 2/3] gpio: Add support for TPS68470 GPIOs Rajmohan Mani
2017-06-06 14:15   ` Andy Shevchenko
2017-06-11  3:49     ` Mani, Rajmohan
2017-06-11 11:30       ` Sakari Ailus
2017-06-11 13:40         ` Andy Shevchenko
2017-06-11 16:50           ` Sakari Ailus
2017-06-11 19:43             ` Andy Shevchenko
2017-06-12  9:17               ` Mani, Rajmohan
2017-06-12  9:29                 ` Andy Shevchenko [this message]
2017-06-12  9:51         ` Mani, Rajmohan
2017-06-09 11:15   ` Linus Walleij
2017-06-11  5:04     ` Mani, Rajmohan
2017-06-12  0:18     ` Mani, Rajmohan
2017-06-06 11:55 ` [PATCH v1 3/3] ACPI / PMIC: Add TI PMIC TPS68470 operation region driver Rajmohan Mani
2017-06-06 14:23   ` Andy Shevchenko
2017-06-06 15:21     ` Hans de Goede
2017-06-09 22:20       ` Mani, Rajmohan
2017-06-07 12:15     ` Sakari Ailus
2017-06-07 13:40       ` Andy Shevchenko
2017-06-07 20:10         ` Sakari Ailus
2017-06-07 20:40           ` Andy Shevchenko
2017-06-07 21:12             ` Sakari Ailus
2017-06-09 23:38               ` Mani, Rajmohan
2017-06-10  0:10               ` Mani, Rajmohan
2017-06-08  7:03           ` Hans de Goede
2017-06-09 23:47             ` Mani, Rajmohan
2017-06-09 22:19     ` Mani, Rajmohan
2017-06-07 12:07   ` Sakari Ailus
2017-06-07 13:37     ` Andy Shevchenko
2017-06-07 20:06       ` Sakari Ailus
2017-06-10  0:07         ` Mani, Rajmohan
2017-06-10  0:09       ` Mani, Rajmohan
2017-06-10  0:04     ` Mani, Rajmohan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAHp75Vd==vnSo7P2kozDrPdu+1WB8O3fck3ELbK4aAqW9tvppQ@mail.gmail.com' \
    --to=andy.shevchenko@gmail.com \
    --cc=gnurou@gmail.com \
    --cc=lee.jones@linaro.org \
    --cc=lenb@kernel.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rajmohan.mani@intel.com \
    --cc=rjw@rjwysocki.net \
    --cc=sakari.ailus@iki.fi \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).