linux-kernel - [PATCH v3 4/4] Revert "gpiolib: of: Introduce hook for missing gpio-ranges"

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Message-Id: <20230113215352.44272-5-andriy.shevchenko@linux.intel.com>
Date:   Fri, 13 Jan 2023 23:53:52 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Stefan Wahren <stefan.wahren@...e.com>
Subject: [PATCH v3 4/4] Revert "gpiolib: of: Introduce hook for missing gpio-ranges"

This reverts commit 3550bba25d5587a701e6edf20e20984d2ee72c78.

No users for this one, revert it for good.
The ->add_pin_ranges() can be used instead.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/gpio/gpiolib-of.c   |  5 -----
 include/linux/gpio/driver.h | 12 ------------
 2 files changed, 17 deletions(-)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 72d8a3da31e3..266352b1a966 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -980,11 +980,6 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
 	if (!np)
 		return 0;
 
-	if (!of_property_read_bool(np, "gpio-ranges") &&
-	    chip->of_gpio_ranges_fallback) {
-		return chip->of_gpio_ranges_fallback(chip, np);
-	}
-
 	group_names = of_find_property(np, group_names_propname, NULL);
 
 	for (;; index++) {
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index ddc7a14a274f..5ab50ba3c309 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -521,18 +521,6 @@ struct gpio_chip {
 	 */
 	int (*of_xlate)(struct gpio_chip *gc,
 			const struct of_phandle_args *gpiospec, u32 *flags);
-
-	/**
-	 * @of_gpio_ranges_fallback:
-	 *
-	 * Optional hook for the case that no gpio-ranges property is defined
-	 * within the device tree node "np" (usually DT before introduction
-	 * of gpio-ranges). So this callback is helpful to provide the
-	 * necessary backward compatibility for the pin ranges.
-	 */
-	int (*of_gpio_ranges_fallback)(struct gpio_chip *gc,
-				       struct device_node *np);
-
 #endif /* CONFIG_OF_GPIO */
 };
 
-- 
2.39.0