From: Evan Green <evgreen@chromium.org>
To: Wolfram Sang <wsa@kernel.org>
Cc: Peter Rosin <peda@axentia.se>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
Randy Dunlap <rdunlap@infradead.org>,
Peter Korsgaard <peter.korsgaard@barco.com>,
linux-i2c <linux-i2c@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RESEND PATCH v3 2/2] i2c: i2c-mux-gpio: Enable this driver in ACPI land
Date: Sun, 17 Jan 2021 09:15:06 -0800 [thread overview]
Message-ID: <CAE=gft6qb9aBJTrTL_QE=LATh+1+J1gaWjtXs_OXhEbCdgm0jw@mail.gmail.com> (raw)
In-Reply-To: <20210117115426.GH1983@ninjato>
On Sun, Jan 17, 2021 at 3:54 AM Wolfram Sang <wsa@kernel.org> wrote:
>
> On Wed, Nov 18, 2020 at 03:40:25PM -0800, Evan Green wrote:
> > Enable i2c-mux-gpio devices to be defined via ACPI. The idle-state
> > property translates directly to a fwnode_property_*() call. The child
> > reg property translates naturally into _ADR in ACPI.
> >
> > The i2c-parent binding is a relic from the days when the bindings
> > dictated that all direct children of an I2C controller had to be I2C
> > devices. These days that's no longer required. The i2c-mux can sit as a
> > direct child of its parent controller, which is where it makes the most
> > sense from a hardware description perspective. For the ACPI
> > implementation we'll assume that's always how the i2c-mux-gpio is
> > instantiated.
> >
> > Signed-off-by: Evan Green <evgreen@chromium.org>
>
> Applied to for-next, thanks! The code Andy mentioned can still be
> refactored later if new ACPI helpers appear in the future.
Thanks Wolfram and Peter!
prev parent reply other threads:[~2021-01-17 17:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 23:40 [RESEND PATCH v3 0/2] i2c: i2c-mux-gpio: Enable this driver in ACPI land Evan Green
2020-11-18 23:40 ` [RESEND PATCH v3 1/2] i2c: i2c-mux-gpio: Factor out pdev->dev in _probe_dt() Evan Green
2021-01-15 9:30 ` Peter Rosin
2021-01-17 11:53 ` Wolfram Sang
2020-11-18 23:40 ` [RESEND PATCH v3 2/2] i2c: i2c-mux-gpio: Enable this driver in ACPI land Evan Green
2020-11-19 15:25 ` Andy Shevchenko
2020-11-20 18:59 ` Evan Green
2020-11-30 19:11 ` Evan Green
2020-12-09 23:03 ` Evan Green
2021-01-05 10:25 ` Wolfram Sang
2021-01-14 18:17 ` Evan Green
2021-01-14 19:53 ` Wolfram Sang
2021-01-15 9:29 ` Peter Rosin
2021-01-19 12:10 ` Andy Shevchenko
2021-01-17 11:54 ` Wolfram Sang
2021-01-17 17:15 ` Evan Green [this message]
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