linux-kernel - [PATCH] gpio: ath79: convert to dynamic GPIO base allocation

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Message-ID:
 <TYCP286MB08958A751BD29BB5B04485D9BCD52@TYCP286MB0895.JPNP286.PROD.OUTLOOK.COM>
Date: Tue, 25 Jun 2024 09:06:02 +0800
From: Shiji Yang <yangshiji66@...look.com>
To: linux-gpio@...r.kernel.org
Cc: Alban Bedel <albeu@...e.fr>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	linux-kernel@...r.kernel.org,
	Shiji Yang <yangshiji66@...look.com>
Subject: [PATCH] gpio: ath79: convert to dynamic GPIO base allocation

ath79 target has already been converted to device tree based
platform. Using dynamic GPIO numberspace base to suppress the
warning:

gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation.

Tested on Atheros AR7241 and AR9344.

Signed-off-by: Shiji Yang <yangshiji66@...look.com>
---
 drivers/gpio/gpio-ath79.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index f0c0c0f77eb0..d986424a661e 100644
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -273,8 +273,8 @@ static int ath79_gpio_probe(struct platform_device *pdev)
 		dev_err(dev, "bgpio_init failed\n");
 		return err;
 	}
-	/* Use base 0 to stay compatible with legacy platforms */
-	ctrl->gc.base = 0;
+	/* Dynamic allocation */
+	ctrl->gc.base = -1;
 
 	/* Optional interrupt setup */
 	if (!np || of_property_read_bool(np, "interrupt-controller")) {
-- 
2.45.1