From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Ray Jui" <rjui@broadcom.com>,
"Scott Branden" <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com, linux-pwm@vger.kernel.org,
arm-soc <linux-arm-kernel@lists.infradead.org>,
linux-devicetree <devicetree@vger.kernel.org>,
wahrenst@gmx.net, "Linux Input" <linux-input@vger.kernel.org>,
"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
"Greg KH" <gregkh@linuxfoundation.org>,
devel@driverdev.osuosl.org,
"Philipp Zabel" <p.zabel@pengutronix.de>,
linux-gpio <linux-gpio@vger.kernel.org>,
"Linus Walleij" <linus.walleij@linaro.org>,
linux-clk <linux-clk@vger.kernel.org>,
"Stephen Boyd" <sboyd@kernel.org>,
linux-rpi-kernel@lists.infradead.org,
"Andy Shevchenko" <andy.shevchenko@gmail.com>
Subject: Re: [PATCH v6 02/11] firmware: raspberrypi: Introduce devm_rpi_firmware_get()
Date: Wed, 16 Dec 2020 11:37:01 +0100 [thread overview]
Message-ID: <e2aa9af87060b91397fc4e1485ecf3ab3876f874.camel@suse.de> (raw)
In-Reply-To: <CAMpxmJX5t=LWpLkY=uYNK9r4rmStuSfmGc7=zcnu4_oHkQevWQ@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 3989 bytes --]
On Wed, 2020-12-16 at 11:35 +0100, Bartosz Golaszewski wrote:
> On Fri, Dec 11, 2020 at 5:48 PM Nicolas Saenz Julienne
> <nsaenzjulienne@suse.de> wrote:
> >
> > It'll simplify the firmware handling for most consumers.
> >
> > Suggested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> > Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
> > ---
> >
> > Changes since v4:
> > - Rearrange function calls for clarity, same functionality
> >
> > Changes since v2:
> > - Create devm_rpi_firmware_get()
> >
> > drivers/firmware/raspberrypi.c | 29 ++++++++++++++++++++++
> > include/soc/bcm2835/raspberrypi-firmware.h | 8 ++++++
> > 2 files changed, 37 insertions(+)
> >
> > diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
> > index b65e4c495772..250e01680742 100644
> > --- a/drivers/firmware/raspberrypi.c
> > +++ b/drivers/firmware/raspberrypi.c
> > @@ -243,6 +243,13 @@ void rpi_firmware_put(struct rpi_firmware *fw)
> > }
> > EXPORT_SYMBOL_GPL(rpi_firmware_put);
> >
> > +static void devm_rpi_firmware_put(void *data)
> > +{
> > + struct rpi_firmware *fw = data;
> > +
> > + rpi_firmware_put(fw);
> > +}
> > +
> > static int rpi_firmware_probe(struct platform_device *pdev)
> > {
> > struct device *dev = &pdev->dev;
> > @@ -331,6 +338,28 @@ struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
> > }
> > EXPORT_SYMBOL_GPL(rpi_firmware_get);
> >
> > +/**
> > + * devm_rpi_firmware_get - Get pointer to rpi_firmware structure.
> > + * @firmware_node: Pointer to the firmware Device Tree node.
> > + *
> > + * Returns NULL is the firmware device is not ready.
> > + */
> > +struct rpi_firmware *devm_rpi_firmware_get(struct device *dev,
> > + struct device_node *firmware_node)
> > +{
> > + struct rpi_firmware *fw;
> > +
> > + fw = rpi_firmware_get(firmware_node);
> > + if (!fw)
> > + return NULL;
> > +
> > + if (devm_add_action_or_reset(dev, devm_rpi_firmware_put, fw))
> > + return NULL;
> > +
> > + return fw;
> > +}
> > +EXPORT_SYMBOL_GPL(devm_rpi_firmware_get);
> > +
> > static const struct of_device_id rpi_firmware_of_match[] = {
> > { .compatible = "raspberrypi,bcm2835-firmware", },
> > {},
> > diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h
> > index fdfef7fe40df..73ad784fca96 100644
> > --- a/include/soc/bcm2835/raspberrypi-firmware.h
> > +++ b/include/soc/bcm2835/raspberrypi-firmware.h
> > @@ -142,6 +142,8 @@ int rpi_firmware_property_list(struct rpi_firmware *fw,
> > void *data, size_t tag_size);
> > void rpi_firmware_put(struct rpi_firmware *fw);
> > struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
> > +struct rpi_firmware *devm_rpi_firmware_get(struct device *dev,
> > + struct device_node *firmware_node);
> > #else
> > static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag,
> > void *data, size_t len)
> > @@ -160,6 +162,12 @@ static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware
> > {
> > return NULL;
> > }
> > +
> > +static inline struct rpi_firmware *devm_rpi_firmware_get(struct device *dev,
> > + struct device_node *firmware_node)
> > +{
> > + return NULL;
> > +}
> > #endif
> >
> > #endif /* __SOC_RASPBERRY_FIRMWARE_H__ */
> > --
> > 2.29.2
> >
>
> Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Thanks for the reviews!
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
next prev parent reply other threads:[~2020-12-16 10:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-11 16:47 [PATCH v6 00/11] Raspberry Pi PoE HAT fan support Nicolas Saenz Julienne
2020-12-11 16:47 ` [PATCH v6 01/11] firmware: raspberrypi: Keep count of all consumers Nicolas Saenz Julienne
2020-12-13 5:14 ` Stephen Boyd
2020-12-16 10:37 ` Bartosz Golaszewski
2020-12-11 16:47 ` [PATCH v6 02/11] firmware: raspberrypi: Introduce devm_rpi_firmware_get() Nicolas Saenz Julienne
2020-12-16 10:35 ` Bartosz Golaszewski
2020-12-16 10:37 ` Nicolas Saenz Julienne [this message]
2020-12-11 16:47 ` [PATCH v6 03/11] clk: bcm: rpi: Release firmware handle on unbind Nicolas Saenz Julienne
2020-12-13 5:12 ` Stephen Boyd
2020-12-11 16:47 ` [PATCH v6 04/11] gpio: raspberrypi-exp: " Nicolas Saenz Julienne
2020-12-11 16:47 ` [PATCH v6 05/11] reset: raspberrypi: " Nicolas Saenz Julienne
2020-12-11 16:47 ` [PATCH v6 06/11] soc: bcm: raspberrypi-power: " Nicolas Saenz Julienne
2020-12-11 16:47 ` [PATCH v6 07/11] staging: vchiq: " Nicolas Saenz Julienne
2020-12-11 16:47 ` [PATCH v6 08/11] input: raspberrypi-ts: Release firmware handle when not needed Nicolas Saenz Julienne
2020-12-11 18:17 ` Florian Fainelli
2020-12-11 16:47 ` [PATCH v6 09/11] dt-bindings: pwm: Add binding for RPi firmware PWM bus Nicolas Saenz Julienne
2020-12-11 16:47 ` [PATCH v6 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support Nicolas Saenz Julienne
2020-12-11 16:48 ` [PATCH v6 11/11] pwm: Add Raspberry Pi Firmware based PWM bus Nicolas Saenz Julienne
2021-01-12 9:18 ` Uwe Kleine-König
2021-01-14 18:44 ` Nicolas Saenz Julienne
2021-01-11 21:02 ` [PATCH v6 00/11] Raspberry Pi PoE HAT fan support Nicolas Saenz Julienne
2021-01-12 8:52 ` Linus Walleij
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=e2aa9af87060b91397fc4e1485ecf3ab3876f874.camel@suse.de \
--to=nsaenzjulienne@suse.de \
--cc=andy.shevchenko@gmail.com \
--cc=bcm-kernel-feedback-list@broadcom.com \
--cc=bgolaszewski@baylibre.com \
--cc=devel@driverdev.osuosl.org \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.torokhov@gmail.com \
--cc=f.fainelli@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pwm@vger.kernel.org \
--cc=linux-rpi-kernel@lists.infradead.org \
--cc=p.zabel@pengutronix.de \
--cc=rjui@broadcom.com \
--cc=sboyd@kernel.org \
--cc=sbranden@broadcom.com \
--cc=u.kleine-koenig@pengutronix.de \
--cc=wahrenst@gmx.net \
/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).