From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Arnd Bergmann <arnd@kernel.org>, Lee Jones <lee@kernel.org>,
Pavel Machek <pavel@kernel.org>,
Linus Walleij <linusw@kernel.org>,
Bartosz Golaszewski <brgl@kernel.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH] [v2] leds: gpio: make legacy gpiolib interface optional
Date: Tue, 5 May 2026 16:19:31 +0300 [thread overview]
Message-ID: <afnuY6IPvC7dgUC9@ashevche-desk.local> (raw)
In-Reply-To: <bfecac99-3ec1-473a-bd5f-e49ae48aebf3@app.fastmail.com>
On Tue, May 05, 2026 at 03:10:28PM +0200, Arnd Bergmann wrote:
> On Mon, May 4, 2026, at 09:31, Andy Shevchenko wrote:
> > On Thu, Apr 30, 2026 at 11:11:55AM +0200, Arnd Bergmann wrote:
> >> - /*
> >> - * This is the legacy code path for platform code that
> >> - * still uses GPIO numbers. Ultimately we would like to get
> >> - * rid of this block completely.
> >> - */
> >> + return gpiod;
> >
> > Do we need to repeat the upper `return gpiod;` statement? With this split
> > I don't see that we need to have two repetitive return statements.
>
> Right, I've simplified this now to
>
> static struct gpio_desc *gpio_led_get_gpiod(struct device *dev, int idx,
> const struct gpio_led *template)
> {
> struct gpio_desc *gpiod;
>
> gpiod = devm_gpiod_get_index_optional(dev, NULL, idx, GPIOD_OUT_LOW);
> if (gpiod && !IS_ERR(gpiod));
And this is not needed. The below is NULL-aware.
> gpiod_set_consumer_name(gpiod, template->name);
>
> return gpiod;
> }
>
> which still keeps the existing behavior but is a bit more compact.
>
> I think we can actually just remove that function altogether
> and just pass the name into devm_gpiod_get_index_optional()
> from the caller like
>
> gpiod = devm_gpiod_get_index_optional(dev, template->name, i, GPIOD_OUT_LOW);
>
> Did I get that right? If so, I'll fold that in as another
> simplification.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-05-05 13:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-30 9:11 [PATCH] [v2] leds: gpio: make legacy gpiolib interface optional Arnd Bergmann
2026-04-30 14:19 ` Bartosz Golaszewski
2026-05-04 7:31 ` Andy Shevchenko
2026-05-05 13:10 ` Arnd Bergmann
2026-05-05 13:19 ` Andy Shevchenko [this message]
2026-05-05 13:25 ` Andy Shevchenko
2026-05-05 14:19 ` Arnd Bergmann
2026-05-05 12:31 ` Linus Walleij
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