From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Grant Likely <grant.likely@linaro.org>,
Arnd Bergmann <arnd@arndb.de>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Aaron Lu <aaron.lu@intel.com>,
devicetree@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>,
Alexandre Courbot <gnurou@gmail.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Bryan Wu <cooloney@gmail.com>,
Darren Hart <dvhart@linux.intel.com>,
Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH v5 09/12] Driver core: Unified interface for firmware node properties
Date: Mon, 20 Oct 2014 06:14:34 +0800 [thread overview]
Message-ID: <20141019221434.GA7674@kroah.com> (raw)
In-Reply-To: <1628104.Ek1EGbdVha@vostro.rjw.lan>
On Fri, Oct 17, 2014 at 02:14:53PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Add new generic routines are provided for retrieving properties from
> device description objects in the platform firmware in case there are
> no struct device objects for them (either those objects have not been
> created yet or they do not exist at all).
>
> The following functions are provided:
>
> fwnode_property_present()
> fwnode_property_read_u8()
> fwnode_property_read_u16()
> fwnode_property_read_u32()
> fwnode_property_read_u64()
> fwnode_property_read_string()
> fwnode_property_read_u8_array()
> fwnode_property_read_u16_array()
> fwnode_property_read_u32_array()
> fwnode_property_read_u64_array()
> fwnode_property_read_string_array()
>
> in analogy with the corresponding functions for struct device added
> previously. For all of them, the first argument is a pointer to struct
> fwnode_handle (new type) that allows a device description object
> (depending on what platform firmware interface is in use) to be
> obtained.
>
> Add a new macro device_for_each_child_node() for iterating over the
> children of the device description object associated with a given
> device and a new function device_get_child_node_count() returning the
> number of a given device's child nodes.
>
> The interface covers both ACPI and Device Trees.
>
> Suggested-by: Grant Likely <grant.likely@linaro.org>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2014-10-19 22:15 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-07 0:10 [PATCH v4 00/13] Add ACPI _DSD and unified device properties support Rafael J. Wysocki
2014-10-07 0:12 ` [PATCH 01/13] ACPI: Add support for device specific properties Rafael J. Wysocki
2014-10-13 12:47 ` Grant Likely
2014-10-07 0:12 ` [PATCH 02/13] Driver core: Unified device properties interface for platform firmware Rafael J. Wysocki
2014-10-07 0:13 ` [PATCH 03/13] ACPI: Allow drivers to match using Device Tree compatible property Rafael J. Wysocki
2014-10-14 13:38 ` Grant Likely
2014-10-07 0:14 ` [PATCH 04/13] ACPI: Document ACPI device specific properties Rafael J. Wysocki
2014-10-13 12:41 ` Grant Likely
2014-10-14 9:42 ` Mika Westerberg
2014-10-07 0:14 ` [PATCH 05/13] misc: at25: Make use of device property API Rafael J. Wysocki
2014-10-07 9:10 ` Geert Uytterhoeven
2014-10-07 9:32 ` Mika Westerberg
2014-10-07 0:15 ` [PATCH 06/13] gpio / ACPI: Add support for _DSD device properties Rafael J. Wysocki
2014-10-14 13:44 ` Grant Likely
2014-10-15 8:46 ` Mika Westerberg
2014-10-07 0:15 ` [PATCH 07/13] gpio: sch: Consolidate core and resume banks Rafael J. Wysocki
2014-10-07 0:16 ` [PATCH 08/13] leds: leds-gpio: Add support for GPIO descriptors Rafael J. Wysocki
2014-10-07 0:16 ` [PATCH 09/12] input: gpio_keys_polled - " Rafael J. Wysocki
2014-10-07 17:29 ` Dmitry Torokhov
2014-10-07 0:17 ` [PATCH 10/13] Driver core: Child node properties for devices Rafael J. Wysocki
2014-10-07 0:18 ` [PATCH 11/13] gpio: Support for unified device properties interface Rafael J. Wysocki
2014-10-07 10:22 ` Alexandre Courbot
2014-10-07 10:40 ` Mika Westerberg
2014-10-07 10:52 ` Alexandre Courbot
2014-10-08 0:09 ` Rafael J. Wysocki
2014-10-08 2:55 ` Alexandre Courbot
2014-10-08 14:01 ` Rafael J. Wysocki
2014-10-07 0:18 ` [PATCH 12/13] leds: leds-gpio: Make use of device property API Rafael J. Wysocki
2014-10-08 14:04 ` Rafael J. Wysocki
2014-10-08 17:47 ` Bryan Wu
2014-10-08 22:02 ` Rafael J. Wysocki
2014-10-07 0:19 ` [PATCH 13/13] input: gpio_keys_polled - " Rafael J. Wysocki
2014-10-07 17:30 ` Dmitry Torokhov
2014-10-07 0:39 ` [PATCH v4 00/13] Add ACPI _DSD and unified device properties support Rafael J. Wysocki
2014-10-07 2:28 ` Greg Kroah-Hartman
2014-10-15 13:04 ` David Woodhouse
2014-10-15 13:15 ` Mark Rutland
2014-10-15 13:28 ` David Woodhouse
2014-10-15 13:42 ` Mark Rutland
2014-10-15 14:08 ` David Woodhouse
2014-10-15 14:46 ` Darren Hart
2014-10-15 15:11 ` David Woodhouse
2014-10-15 15:17 ` Mark Rutland
2014-10-15 15:43 ` Darren Hart
2014-10-16 10:05 ` Rafael J. Wysocki
2014-10-16 14:55 ` David Woodhouse
2014-10-18 8:37 ` Grant Likely
2014-10-18 8:39 ` Grant Likely
2014-10-18 8:35 ` Grant Likely
2014-10-21 21:50 ` [PATCH v4 00/13] Add ACPI _DSD and unified device properties? support Darren Hart
2015-01-14 18:42 ` [PATCH v4 00/13] Add ACPI _DSD and unified device properties support David Woodhouse
2015-01-15 9:12 ` Rafael J. Wysocki
2014-10-17 12:01 ` [PATCH v5 00/12] " Rafael J. Wysocki
2014-10-17 12:03 ` [PATCH v5 01/12] ACPI: Add support for device specific properties Rafael J. Wysocki
2014-10-17 12:04 ` [PATCH v5 02/12] Driver core: Unified device properties interface for platform firmware Rafael J. Wysocki
2014-10-20 0:07 ` [Update][PATCH " Rafael J. Wysocki
2014-10-17 12:05 ` [PATCH v5 03/12] ACPI: Allow drivers to match using Device Tree compatible property Rafael J. Wysocki
2014-10-20 14:05 ` Grant Likely
2014-10-20 22:19 ` Rafael J. Wysocki
2014-10-17 12:07 ` [PATCH v5 04/12] misc: at25: Make use of device property API Rafael J. Wysocki
2014-10-17 12:09 ` [PATCH v5 05/12] gpio / ACPI: Add support for _DSD device properties Rafael J. Wysocki
2014-10-17 12:10 ` [PATCH v5 06/12] gpio: sch: Consolidate core and resume banks Rafael J. Wysocki
2014-10-17 12:11 ` [PATCH v5 07/12] leds: leds-gpio: Add support for GPIO descriptors Rafael J. Wysocki
2014-10-28 15:26 ` Linus Walleij
2014-10-28 21:56 ` Rafael J. Wysocki
2014-10-29 8:53 ` Mika Westerberg
2014-10-30 15:40 ` Linus Walleij
2014-10-30 16:15 ` Mika Westerberg
2014-10-31 9:41 ` Linus Walleij
2014-10-31 9:55 ` Mika Westerberg
2014-10-30 15:34 ` Linus Walleij
2014-10-17 12:12 ` [PATCH v5 08/12] input: gpio_keys_polled - " Rafael J. Wysocki
2014-10-17 12:14 ` [PATCH v5 09/12] Driver core: Unified interface for firmware node properties Rafael J. Wysocki
2014-10-18 9:35 ` Arnd Bergmann
2014-10-19 23:30 ` Rafael J. Wysocki
2014-10-20 14:14 ` Arnd Bergmann
2014-10-18 14:55 ` Grant Likely
2014-10-19 23:46 ` Rafael J. Wysocki
2014-10-20 14:18 ` Grant Likely
2014-10-20 22:14 ` Rafael J. Wysocki
2014-10-20 14:19 ` Arnd Bergmann
2014-10-20 14:55 ` Grant Likely
2014-10-20 22:22 ` Rafael J. Wysocki
2014-10-19 22:14 ` Greg Kroah-Hartman [this message]
2014-10-19 23:31 ` Rafael J. Wysocki
2014-10-20 0:15 ` [Update][PATCH " Rafael J. Wysocki
2014-10-17 12:16 ` [PATCH v5 10/12] gpio: Support for unified device properties interface Rafael J. Wysocki
2014-10-17 18:09 ` Arnd Bergmann
2014-10-18 9:47 ` Arnd Bergmann
2014-10-19 23:58 ` Rafael J. Wysocki
2014-10-20 14:22 ` Arnd Bergmann
2014-10-20 6:12 ` Alexandre Courbot
2014-10-20 14:26 ` Arnd Bergmann
2014-10-17 12:17 ` [PATCH v5 11/12] leds: leds-gpio: Make use of device property API Rafael J. Wysocki
2014-10-17 12:18 ` [PATCH v5 12/12] input: gpio_keys_polled - " Rafael J. Wysocki
2014-10-17 12:22 ` [PATCH v5 00/12] Add ACPI _DSD and unified device properties support Rafael J. Wysocki
2014-10-17 15:40 ` Greg Kroah-Hartman
2014-10-17 19:23 ` Darren Hart
2014-10-17 21:49 ` Rafael J. Wysocki
2014-10-19 22:14 ` Greg Kroah-Hartman
2014-10-17 18:04 ` Arnd Bergmann
2014-10-17 22:50 ` Rafael J. Wysocki
2014-10-18 8:49 ` Grant Likely
2014-10-19 23:32 ` Rafael J. Wysocki
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