From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-acpi@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: Re: [PATCH v2 07/11] gpiolib: replace find_chip_by_name() with gpio_device_find_by_label()
Date: Tue, 12 Sep 2023 14:16:27 +0300 [thread overview]
Message-ID: <ZQBIi3OsUUe+JcoB@smile.fi.intel.com> (raw)
In-Reply-To: <20230912100727.23197-8-brgl@bgdev.pl>
On Tue, Sep 12, 2023 at 12:07:23PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> Remove all remaining uses of find_chip_by_name() (and subsequently:
> gpiochip_find()) from gpiolib.c and use the new
> gpio_device_find_by_label() instead.
...
> for (p = &table->table[0]; p->key; p++) {
> - struct gpio_chip *gc;
> + struct gpio_device *gdev __free(gpio_device_put) = NULL;
> + gc = gpio_device_get_chip(gdev);
What the heck is this, btw? You have gdev NULL here.
> /* idx must always match exactly */
> if (p->idx != idx)
> @@ -4004,9 +3996,8 @@ static struct gpio_desc *gpiod_find(struct device *dev, const char *con_id,
> return ERR_PTR(-EPROBE_DEFER);
> }
>
> - gc = find_chip_by_name(p->key);
> -
> - if (!gc) {
> + gdev = gpio_device_find_by_label(p->key);
> + if (!gdev) {
...
> if (gc->ngpio <= p->chip_hwnum) {
> dev_err(dev,
> "requested GPIO %u (%u) is out of range [0..%u] for chip %s\n",
> - idx, p->chip_hwnum, gc->ngpio - 1,
> + idx, p->chip_hwnum, gdev->chip->ngpio - 1,
In other patch you use wrapper to get gdev->chip, why not here?
> gc->label);
Is this gc is different to gdev->chip?
> return ERR_PTR(-EINVAL);
> }
...
Sorry, but this patch seems to me as WIP. Please, revisit it, make sure all
things are done consistently.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-09-12 11:17 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-12 10:07 [PATCH v2 00/11] gpiolib: work towards removing gpiochip_find() Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 01/11] gpiolib: make gpio_device_get() and gpio_device_put() public Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 02/11] gpiolib: add support for scope-based management to gpio_device Bartosz Golaszewski
2023-09-12 11:33 ` Andy Shevchenko
2023-09-12 11:36 ` Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 03/11] gpiolib: provide gpio_device_find() Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 04/11] gpiolib: provide gpio_device_find_by_label() Bartosz Golaszewski
2023-09-12 10:57 ` Andy Shevchenko
2023-09-14 19:55 ` Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 05/11] gpiolib: provide gpio_device_get_desc() Bartosz Golaszewski
2023-09-12 11:00 ` Andy Shevchenko
2023-09-12 10:07 ` [PATCH v2 06/11] gpiolib: reluctantly provide gpio_device_get_chip() Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 07/11] gpiolib: replace find_chip_by_name() with gpio_device_find_by_label() Bartosz Golaszewski
2023-09-12 11:08 ` Andy Shevchenko
2023-09-12 11:34 ` Bartosz Golaszewski
2023-09-12 11:16 ` Andy Shevchenko [this message]
2023-09-12 11:35 ` Bartosz Golaszewski
2023-09-15 9:44 ` Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 08/11] gpio: of: replace gpiochip_find_* with gpio_device_find_* Bartosz Golaszewski
2023-09-12 11:20 ` Andy Shevchenko
2023-09-12 10:07 ` [PATCH v2 09/11] gpio: acpi: replace gpiochip_find() with gpio_device_find() Bartosz Golaszewski
2023-09-12 11:31 ` Andy Shevchenko
2023-09-12 10:07 ` [PATCH v2 10/11] gpio: swnode: replace gpiochip_find() with gpio_device_find_by_label() Bartosz Golaszewski
2023-09-12 10:07 ` [PATCH v2 11/11] gpio: sysfs: drop the mention of gpiochip_find() from sysfs code Bartosz Golaszewski
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