From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
devicetree@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linus Walleij <linus.walleij@linaro.org>,
Alexandre Courbot <gnurou@gmail.com>,
Bryan Wu <cooloney@gmail.com>, Lee Jones <lee.jones@linaro.org>,
Grant Likely <grant.likely@linaro.org>,
Arnd Bergmann <arnd@arndb.de>, Aaron Lu <aaron.lu@intel.com>,
Darren Hart <dvhart@linux.intel.com>
Subject: Re: [PATCH v3 13/15] input: gpio_keys_polled - Add ACPI probing support
Date: Thu, 2 Oct 2014 12:53:03 +0300 [thread overview]
Message-ID: <20141002095303.GH1786@lahna.fi.intel.com> (raw)
In-Reply-To: <20141001162802.GD23115@dtor-glaptop>
On Wed, Oct 01, 2014 at 09:28:02AM -0700, Dmitry Torokhov wrote:
> On Wed, Oct 01, 2014 at 12:15:35PM +0300, Mika Westerberg wrote:
> > On Wed, Oct 01, 2014 at 12:48:46AM -0700, Dmitry Torokhov wrote:
> > > On Wed, Oct 01, 2014 at 04:20:43AM +0200, Rafael J. Wysocki wrote:
> > > > From: Mika Westerberg <mika.westerberg@linux.intel.com>
> > > >
> > > > Allow the driver to probe from ACPI namespace.
> > > >
> > > > Signed-off-by: Aaron Lu <aaron.lu@intel.com>
> > > > Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> > > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> > > > ---
> > > > drivers/input/keyboard/gpio_keys_polled.c | 7 +++++++
> > > > 1 file changed, 7 insertions(+)
> > > >
> > > > Index: linux-pm/drivers/input/keyboard/gpio_keys_polled.c
> > > > ===================================================================
> > > > --- linux-pm.orig/drivers/input/keyboard/gpio_keys_polled.c
> > > > +++ linux-pm/drivers/input/keyboard/gpio_keys_polled.c
> > > > @@ -181,6 +181,12 @@ static const struct of_device_id gpio_ke
> > > > };
> > > > MODULE_DEVICE_TABLE(of, gpio_keys_polled_of_match);
> > > >
> > > > +static const struct acpi_device_id gpio_keys_polled_acpi_match[] = {
> > > > + { "PRP0001" }, /* Device Tree shoehorned into ACPI */
> > > > + { },
> > > > +};
> > > > +MODULE_DEVICE_TABLE(acpi, gpio_keys_polled_acpi_match);
> > > > +
> > > > static int gpio_keys_polled_probe(struct platform_device *pdev)
> > > > {
> > > > struct device *dev = &pdev->dev;
> > > > @@ -309,6 +315,7 @@ static struct platform_driver gpio_keys_
> > > > .name = DRV_NAME,
> > > > .owner = THIS_MODULE,
> > > > .of_match_table = gpio_keys_polled_of_match,
> > > > + .acpi_match_table = gpio_keys_polled_acpi_match,
> > > o
> > > Hmm, why do we need the generic "PRP0001" in every driver? The ACPI device
> > > should have PRP0001 and ACPI bus should know to look into OF matching table
> > > for such devices.
> >
> > Arnd had a good idea for this. How about,
> >
> > .acpi_match_table = acpi_match_by_of_compatible,
> >
> > where acpi_match_by_of_compatible is provided by ACPI core? Does that
> > work better for you?
>
> I still do not see the point. ACPI core knows how to handle
> drv->of_match_table, so unless we need to support ACPI_only binding in a
> given driver I do not understand why we need to add boilerplate code.
You are right - we can get rid of that completely.
In case a device has compatible property, .of_match_table and does not
have .acpi_match_table we match against .of_match_table in ACPI core.
next prev parent reply other threads:[~2014-10-02 9:53 UTC|newest]
Thread overview: 130+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-16 11:52 [RFC PATCH v2 00/16] Add ACPI _DSD and unified device properties support Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 01/16] ACPI: Add support for device specific properties Mika Westerberg
2014-10-06 13:50 ` Grant Likely
2014-10-06 14:32 ` Mika Westerberg
2014-10-06 16:25 ` Darren Hart
2014-09-16 11:52 ` [RFC PATCH v2 02/16] Driver core: Unified device properties interface for platform firmware Mika Westerberg
2014-09-17 18:28 ` Greg Kroah-Hartman
2014-09-16 11:52 ` [RFC PATCH v2 03/16] ACPI: Allow drivers to match using Device Tree compatible property Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 04/16] ACPI: Document ACPI device specific properties Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 05/16] mfd: Add ACPI support Mika Westerberg
2014-09-16 21:54 ` Lee Jones
2014-09-24 12:00 ` Lee Jones
2014-09-16 11:52 ` [RFC PATCH v2 06/16] gpio / ACPI: Add support for _DSD device properties Mika Westerberg
2014-09-23 15:27 ` Linus Walleij
2014-09-16 11:52 ` [RFC PATCH v2 07/16] gpio: Add support for unified device properties interface Mika Westerberg
2014-09-23 15:25 ` Linus Walleij
2014-09-23 15:45 ` Arnd Bergmann
2014-09-23 15:52 ` Mika Westerberg
2014-09-23 16:17 ` Dmitry Torokhov
2014-09-23 20:31 ` Rafael J. Wysocki
2014-09-23 16:25 ` Rafael J. Wysocki
2014-09-23 16:26 ` Arnd Bergmann
2014-09-23 20:47 ` Rafael J. Wysocki
2014-09-24 7:55 ` Arnd Bergmann
2014-09-24 14:08 ` Rafael J. Wysocki
2014-09-23 21:15 ` Darren Hart
2014-09-24 9:12 ` Arnd Bergmann
2014-09-24 9:38 ` Mika Westerberg
2014-09-24 14:11 ` Rafael J. Wysocki
2014-09-26 3:21 ` Darren Hart
2014-09-26 8:36 ` Arnd Bergmann
2014-09-26 14:42 ` Rafael J. Wysocki
2014-10-07 13:37 ` Linus Walleij
2014-10-07 15:37 ` Andy Shevchenko
2014-10-07 23:57 ` Rafael J. Wysocki
2014-09-16 11:52 ` [RFC PATCH v2 08/16] gpio: sch: Consolidate core and resume banks Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 09/16] leds: leds-gpio: Add support for GPIO descriptors Mika Westerberg
2014-09-19 8:18 ` Alexandre Courbot
2014-09-24 7:55 ` Linus Walleij
2014-09-24 9:42 ` Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 10/16] leds: leds-gpio: Make use of device property API Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 11/16] leds: leds-gpio: Add ACPI probing support Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 12/16] input: gpio_keys_polled - Add support for GPIO descriptors Mika Westerberg
2014-09-19 8:22 ` Alexandre Courbot
2014-09-24 8:02 ` Linus Walleij
2014-09-16 11:52 ` [RFC PATCH v2 13/16] input: gpio_keys_polled - Make use of device property API Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 14/16] input: gpio_keys_polled - Add ACPI probing support Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 15/16] misc: at25: Make use of device property API Mika Westerberg
2014-09-16 11:52 ` [RFC PATCH v2 16/16] misc: at25: Add ACPI probing support Mika Westerberg
2014-09-21 0:26 ` [RFC PATCH v2 00/16] Add ACPI _DSD and unified device properties support Rafael J. Wysocki
2014-09-24 8:34 ` Lee Jones
2014-09-24 9:45 ` Mika Westerberg
2014-09-22 23:29 ` Bryan Wu
2014-10-01 2:08 ` [PATCH v3 00/15] " Rafael J. Wysocki
2014-10-01 2:08 ` [PATCH v3 01/15] ACPI: Add support for device specific properties Rafael J. Wysocki
2014-10-01 7:38 ` Arnd Bergmann
2014-10-01 2:10 ` [PATCH v3 02/15] Driver core: Unified device properties interface for platform firmware Rafael J. Wysocki
2014-10-01 7:47 ` Arnd Bergmann
2014-10-01 22:09 ` Rafael J. Wysocki
2014-10-01 23:01 ` Rafael J. Wysocki
2014-10-02 7:46 ` Arnd Bergmann
2014-10-02 16:50 ` Rafael J. Wysocki
2014-10-02 0:03 ` Greg Kroah-Hartman
2014-10-01 2:10 ` [PATCH v3 03/15] ACPI: Allow drivers to match using Device Tree compatible property Rafael J. Wysocki
2014-10-01 7:48 ` Arnd Bergmann
2014-10-03 13:43 ` Mark Rutland
2014-10-03 17:59 ` Dmitry Torokhov
2014-10-04 0:02 ` Rafael J. Wysocki
2014-10-01 2:11 ` [PATCH v3 04/15] ACPI: Document ACPI device specific properties Rafael J. Wysocki
2014-10-01 7:59 ` Arnd Bergmann
2014-10-02 10:41 ` Mika Westerberg
2014-10-02 11:51 ` Arnd Bergmann
2014-10-02 12:15 ` Mika Westerberg
2014-10-02 12:46 ` Arnd Bergmann
2014-10-02 13:36 ` Mika Westerberg
2014-10-02 14:29 ` Arnd Bergmann
2014-10-02 14:38 ` Mika Westerberg
2014-10-02 14:55 ` Arnd Bergmann
2014-10-03 13:56 ` Mark Rutland
2014-10-03 15:02 ` Arnd Bergmann
2014-10-03 23:58 ` Rafael J. Wysocki
2014-10-04 10:56 ` Arnd Bergmann
2014-10-05 21:40 ` Rafael J. Wysocki
2014-10-03 2:03 ` Rafael J. Wysocki
2014-10-03 8:12 ` Mika Westerberg
2014-10-03 13:58 ` Mark Rutland
2014-10-03 14:38 ` Rafael J. Wysocki
2014-10-03 14:35 ` Mark Rutland
2014-10-04 0:13 ` Rafael J. Wysocki
2014-10-04 10:59 ` Arnd Bergmann
2014-10-05 22:26 ` Rafael J. Wysocki
2014-10-03 13:48 ` Mark Rutland
2014-10-04 0:16 ` Rafael J. Wysocki
2014-10-01 2:12 ` [PATCH v3 05/15] gpio / ACPI: Add support for _DSD device properties Rafael J. Wysocki
2014-10-01 8:03 ` Arnd Bergmann
2014-10-05 10:36 ` Alexandre Courbot
2014-10-05 21:20 ` Rafael J. Wysocki
2014-10-01 2:14 ` [PATCH v3 06/15] gpio: Support for unified device properties interface Rafael J. Wysocki
2014-10-01 2:15 ` [PATCH v3 07/15] gpio: sch: Consolidate core and resume banks Rafael J. Wysocki
2014-10-01 2:15 ` [PATCH v3 08/15] leds: leds-gpio: Add support for GPIO descriptors Rafael J. Wysocki
2014-10-01 8:05 ` Arnd Bergmann
2014-10-01 2:16 ` [PATCH v3 09/15] leds: leds-gpio: Make use of device property API Rafael J. Wysocki
2014-10-03 14:07 ` Mark Rutland
2014-10-04 0:18 ` Rafael J. Wysocki
2014-10-01 2:17 ` [PATCH v3 10/15] leds: leds-gpio: Add ACPI probing support Rafael J. Wysocki
2014-10-01 8:13 ` Arnd Bergmann
2014-10-01 9:13 ` Mika Westerberg
2014-10-01 10:01 ` Arnd Bergmann
2014-10-01 11:59 ` Mika Westerberg
2014-10-01 13:52 ` Arnd Bergmann
2014-10-01 14:04 ` Mika Westerberg
2014-10-01 14:14 ` Arnd Bergmann
2014-10-02 9:55 ` Mika Westerberg
2014-10-02 10:44 ` Arnd Bergmann
2014-10-01 16:30 ` Dmitry Torokhov
2014-10-01 18:11 ` Darren Hart
2014-10-01 18:21 ` Dmitry Torokhov
2014-10-01 18:22 ` Arnd Bergmann
2014-10-01 2:17 ` [PATCH v3 11/15] input: gpio_keys_polled - Add support for GPIO descriptors Rafael J. Wysocki
2014-10-01 8:13 ` Arnd Bergmann
2014-10-01 2:20 ` [PATCH v3 12/15] input: gpio_keys_polled - Make use of device property API Rafael J. Wysocki
2014-10-01 2:20 ` [PATCH v3 13/15] input: gpio_keys_polled - Add ACPI probing support Rafael J. Wysocki
2014-10-01 7:48 ` Dmitry Torokhov
2014-10-01 9:15 ` Mika Westerberg
2014-10-01 16:28 ` Dmitry Torokhov
2014-10-02 9:53 ` Mika Westerberg [this message]
2014-10-01 2:21 ` [PATCH v3 14/15] misc: at25: Make use of device property API Rafael J. Wysocki
2014-10-01 8:14 ` Arnd Bergmann
2014-10-01 2:22 ` [PATCH v3 15/15] misc: at25: Add ACPI probing support Rafael J. Wysocki
2014-10-01 8:15 ` Arnd Bergmann
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