From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Gregory CLEMENT <gregory.clement@bootlin.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Fabien Dessenne <fabien.dessenne@foss.st.com>,
Linus Walleij <linus.walleij@linaro.org>,
<linux-gpio@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<linux-renesas-soc@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Bartosz Golaszewski <brgl@bgdev.pl>
Subject: Re: [PATCH v1 5/5] pinctrl: armada-37xx: Replace custom code by gpiochip_count() call
Date: Sat, 26 Mar 2022 11:41:31 +0300 [thread overview]
Message-ID: <3415996d-e8b5-2416-fb66-e65779a9b507@omp.ru> (raw)
In-Reply-To: <20220325200338.54270-5-andriy.shevchenko@linux.intel.com>
Hello!
On 3/25/22 11:03 PM, Andy Shevchenko wrote:
> Since we have generic function to count GPIO controller nodes
> under given device, there is no need to open code it. Replace
> custom code by gpiochip_count() call.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 24 +++++++++------------
> 1 file changed, 10 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> index 08cad14042e2..ba94125f6566 100644
> --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> @@ -728,22 +728,18 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
> struct gpio_irq_chip *girq = &gc->irq;
> struct device *dev = &pdev->dev;
> struct device_node *np;
> - int ret = -ENODEV, i, nr_irq_parent;
> + unsigned int nr_child_nodes, i;
> + int ret;
>
> /* Check if we have at least one gpio-controller child node */
> - for_each_child_of_node(dev->of_node, np) {
> - if (of_property_read_bool(np, "gpio-controller")) {
> - ret = 0;
> - break;
> - }
> - }
> - if (ret)
> - return dev_err_probe(dev, ret, "no gpio-controller child node\n");
> + nr_child_nodes = gpiochip_count(dev);
> + if (!nr_child_nodes)
> + return dev_err_probe(dev, -ENODEV, "no gpio-controller child node\n");
>
> - nr_irq_parent = of_irq_count(np);
> spin_lock_init(&info->irq_lock);
>
> - if (!nr_irq_parent) {
> + nr_child_nodes = of_irq_count(np);
Mhm, 'np' is no longer assigned to at this point...
> + if (!nr_child_nodes) {
> dev_err(dev, "invalid or no IRQ\n");
> return 0;
> }
[...]
MBR, Sergey
WARNING: multiple messages have this Message-ID (diff)
From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Gregory CLEMENT <gregory.clement@bootlin.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Fabien Dessenne <fabien.dessenne@foss.st.com>,
Linus Walleij <linus.walleij@linaro.org>,
<linux-gpio@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<linux-renesas-soc@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Bartosz Golaszewski <brgl@bgdev.pl>
Subject: Re: [PATCH v1 5/5] pinctrl: armada-37xx: Replace custom code by gpiochip_count() call
Date: Sat, 26 Mar 2022 11:41:31 +0300 [thread overview]
Message-ID: <3415996d-e8b5-2416-fb66-e65779a9b507@omp.ru> (raw)
In-Reply-To: <20220325200338.54270-5-andriy.shevchenko@linux.intel.com>
Hello!
On 3/25/22 11:03 PM, Andy Shevchenko wrote:
> Since we have generic function to count GPIO controller nodes
> under given device, there is no need to open code it. Replace
> custom code by gpiochip_count() call.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 24 +++++++++------------
> 1 file changed, 10 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> index 08cad14042e2..ba94125f6566 100644
> --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> @@ -728,22 +728,18 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
> struct gpio_irq_chip *girq = &gc->irq;
> struct device *dev = &pdev->dev;
> struct device_node *np;
> - int ret = -ENODEV, i, nr_irq_parent;
> + unsigned int nr_child_nodes, i;
> + int ret;
>
> /* Check if we have at least one gpio-controller child node */
> - for_each_child_of_node(dev->of_node, np) {
> - if (of_property_read_bool(np, "gpio-controller")) {
> - ret = 0;
> - break;
> - }
> - }
> - if (ret)
> - return dev_err_probe(dev, ret, "no gpio-controller child node\n");
> + nr_child_nodes = gpiochip_count(dev);
> + if (!nr_child_nodes)
> + return dev_err_probe(dev, -ENODEV, "no gpio-controller child node\n");
>
> - nr_irq_parent = of_irq_count(np);
> spin_lock_init(&info->irq_lock);
>
> - if (!nr_irq_parent) {
> + nr_child_nodes = of_irq_count(np);
Mhm, 'np' is no longer assigned to at this point...
> + if (!nr_child_nodes) {
> dev_err(dev, "invalid or no IRQ\n");
> return 0;
> }
[...]
MBR, Sergey
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
WARNING: multiple messages have this Message-ID (diff)
From: Sergey Shtylyov <s.shtylyov@omp.ru>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Gregory CLEMENT <gregory.clement@bootlin.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Fabien Dessenne <fabien.dessenne@foss.st.com>,
Linus Walleij <linus.walleij@linaro.org>,
<linux-gpio@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
<linux-renesas-soc@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Bartosz Golaszewski <brgl@bgdev.pl>
Subject: Re: [PATCH v1 5/5] pinctrl: armada-37xx: Replace custom code by gpiochip_count() call
Date: Sat, 26 Mar 2022 11:41:31 +0300 [thread overview]
Message-ID: <3415996d-e8b5-2416-fb66-e65779a9b507@omp.ru> (raw)
In-Reply-To: <20220325200338.54270-5-andriy.shevchenko@linux.intel.com>
Hello!
On 3/25/22 11:03 PM, Andy Shevchenko wrote:
> Since we have generic function to count GPIO controller nodes
> under given device, there is no need to open code it. Replace
> custom code by gpiochip_count() call.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 24 +++++++++------------
> 1 file changed, 10 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> index 08cad14042e2..ba94125f6566 100644
> --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> @@ -728,22 +728,18 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
> struct gpio_irq_chip *girq = &gc->irq;
> struct device *dev = &pdev->dev;
> struct device_node *np;
> - int ret = -ENODEV, i, nr_irq_parent;
> + unsigned int nr_child_nodes, i;
> + int ret;
>
> /* Check if we have at least one gpio-controller child node */
> - for_each_child_of_node(dev->of_node, np) {
> - if (of_property_read_bool(np, "gpio-controller")) {
> - ret = 0;
> - break;
> - }
> - }
> - if (ret)
> - return dev_err_probe(dev, ret, "no gpio-controller child node\n");
> + nr_child_nodes = gpiochip_count(dev);
> + if (!nr_child_nodes)
> + return dev_err_probe(dev, -ENODEV, "no gpio-controller child node\n");
>
> - nr_irq_parent = of_irq_count(np);
> spin_lock_init(&info->irq_lock);
>
> - if (!nr_irq_parent) {
> + nr_child_nodes = of_irq_count(np);
Mhm, 'np' is no longer assigned to at this point...
> + if (!nr_child_nodes) {
> dev_err(dev, "invalid or no IRQ\n");
> return 0;
> }
[...]
MBR, Sergey
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-03-26 8:47 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-25 20:03 [PATCH v1 1/5] gpiolib: Introduce gpiochip_count() helper Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-25 20:03 ` [PATCH v1 2/5] pinctrl: stm32: Replace custom code by gpiochip_count() call Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-29 7:59 ` Fabien DESSENNE
2022-03-29 7:59 ` Fabien DESSENNE
2022-03-29 7:59 ` Fabien DESSENNE
2022-03-29 11:14 ` Andy Shevchenko
2022-03-29 11:14 ` Andy Shevchenko
2022-03-29 11:14 ` Andy Shevchenko
2022-03-29 12:07 ` Fabien DESSENNE
2022-03-29 12:07 ` Fabien DESSENNE
2022-03-29 12:07 ` Fabien DESSENNE
2022-03-29 12:25 ` Andy Shevchenko
2022-03-29 12:25 ` Andy Shevchenko
2022-03-29 12:25 ` Andy Shevchenko
2022-03-25 20:03 ` [PATCH v1 3/5] pinctrl: renesas: " Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-25 20:03 ` [PATCH v1 4/5] pinctrl: meson: " Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-29 12:29 ` Neil Armstrong
2022-03-29 12:29 ` Neil Armstrong
2022-03-29 12:29 ` Neil Armstrong
2022-03-25 20:03 ` [PATCH v1 5/5] pinctrl: armada-37xx: " Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-25 20:03 ` Andy Shevchenko
2022-03-26 8:41 ` Sergey Shtylyov [this message]
2022-03-26 8:41 ` Sergey Shtylyov
2022-03-26 8:41 ` Sergey Shtylyov
2022-03-27 19:58 ` Andy Shevchenko
2022-03-27 19:58 ` Andy Shevchenko
2022-03-27 19:58 ` Andy Shevchenko
2022-03-28 7:35 ` [PATCH v1 1/5] gpiolib: Introduce gpiochip_count() helper Geert Uytterhoeven
2022-03-28 7:35 ` Geert Uytterhoeven
2022-03-28 7:35 ` Geert Uytterhoeven
2022-03-28 9:14 ` Andy Shevchenko
2022-03-28 9:14 ` Andy Shevchenko
2022-03-28 9:14 ` Andy Shevchenko
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=3415996d-e8b5-2416-fb66-e65779a9b507@omp.ru \
--to=s.shtylyov@omp.ru \
--cc=alexandre.torgue@foss.st.com \
--cc=andrew@lunn.ch \
--cc=andriy.shevchenko@linux.intel.com \
--cc=brgl@bgdev.pl \
--cc=fabien.dessenne@foss.st.com \
--cc=geert+renesas@glider.be \
--cc=gregory.clement@bootlin.com \
--cc=jbrunet@baylibre.com \
--cc=khilman@baylibre.com \
--cc=linus.walleij@linaro.org \
--cc=linux-amlogic@lists.infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=linux-stm32@st-md-mailman.stormreply.com \
--cc=martin.blumenstingl@googlemail.com \
--cc=mcoquelin.stm32@gmail.com \
--cc=narmstrong@baylibre.com \
--cc=sebastian.hesselbarth@gmail.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.