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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: devel@driverdev.osuosl.org, linux-pwm@vger.kernel.org,
	"Andy Shevchenko" <andy.shevchenko@gmail.com>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"Scott Branden" <sbranden@broadcom.com>,
	linux-devicetree <devicetree@vger.kernel.org>,
	"Stephen Boyd" <sboyd@kernel.org>, "Ray Jui" <rjui@broadcom.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Linux Input" <linux-input@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-gpio <linux-gpio@vger.kernel.org>,
	"Greg KH" <gregkh@linuxfoundation.org>,
	bcm-kernel-feedback-list@broadcom.com, wahrenst@gmx.net,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
	linux-clk <linux-clk@vger.kernel.org>,
	arm-soc <linux-arm-kernel@lists.infradead.org>,
	linux-rpi-kernel@lists.infradead.org
Subject: Re: [PATCH v4 02/11] firmware: raspberrypi: Introduce devm_rpi_firmware_get()
Date: Fri, 13 Nov 2020 10:21:28 +0100
Message-ID: <3af26701a12b0bcb55b8d422e2a18f06a8e94d4d.camel@suse.de> (raw)
In-Reply-To: <CAMpxmJWZsqfkkTP99a_8mu+O4xHwNWDqHuvgt7Cs88bA-iMvQA@mail.gmail.com>

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On Thu, 2020-11-12 at 18:25 +0100, Bartosz Golaszewski wrote:
> On Thu, Nov 12, 2020 at 5:44 PM Nicolas Saenz Julienne
> <nsaenzjulienne@suse.de> wrote:
> > Itroduce devm_rpi_firmware_get(), 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>
> > ---
> > 
> > Changes since v2:
> > - Introduce devm_rpi_firmware_get()
> > 
> >  drivers/firmware/raspberrypi.c             | 31 +++++++++++++++++++++-
> >  include/soc/bcm2835/raspberrypi-firmware.h |  8 ++++++
> >  2 files changed, 38 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
> > index 438e17074a97..4ab2dfdc82ad 100644
> > --- a/drivers/firmware/raspberrypi.c
> > +++ b/drivers/firmware/raspberrypi.c
> > @@ -237,10 +237,17 @@ static void rpi_firmware_delete(struct kref *kref)
> >         kfree(fw);
> >  }
> > 
> > -void rpi_firmware_put(struct rpi_firmware *fw)
> > +static void __rpi_firmware_put(void *data)
> >  {
> 
> The '__' prefix is very vague and usually used for unlocked variants
> of functions. The casting to void * in rpi_firmware_put() is also
> unneeded. I would much prefer that the devres release callback be
> called devm_rpi_firmware_put() and that it call rpi_firmware_put()
> which would then call kref_put().

Yes, that's better. I'll change it.

Regards,
Nicolas


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  reply index

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-12 16:36 [PATCH v4 00/11] Raspberry Pi PoE HAT fan support Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 01/11] firmware: raspberrypi: Keep count of all consumers Nicolas Saenz Julienne
2020-11-12 17:52   ` Andy Shevchenko
2020-11-13  7:26     ` Dmitry Torokhov
2020-11-23 17:19       ` Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 02/11] firmware: raspberrypi: Introduce devm_rpi_firmware_get() Nicolas Saenz Julienne
2020-11-12 17:25   ` Bartosz Golaszewski
2020-11-13  9:21     ` Nicolas Saenz Julienne [this message]
2020-11-12 16:36 ` [PATCH v4 03/11] clk: bcm: rpi: Release firmware handle on unbind Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 04/11] gpio: raspberrypi-exp: " Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 05/11] reset: raspberrypi: " Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 06/11] soc: bcm: raspberrypi-power: " Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 07/11] staging: vchiq: " Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 08/11] input: raspberrypi-ts: Release firmware handle when not needed Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 09/11] dt-bindings: pwm: Add binding for RPi firmware PWM bus Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support Nicolas Saenz Julienne
2020-11-12 16:36 ` [PATCH v4 11/11] pwm: Add Raspberry Pi Firmware based PWM bus Nicolas Saenz Julienne

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