linux-kernel - [PATCH 3/4] pinctrl: samsung: choose GPIO numberspace base dynamically

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Message-ID: <20231006125557.212681-4-m.majewski2@samsung.com>
Date:   Fri,  6 Oct 2023 14:55:56 +0200
From:   Mateusz Majewski <m.majewski2@...sung.com>
To:     linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Mateusz Majewski <m.majewski2@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: [PATCH 3/4] pinctrl: samsung: choose GPIO numberspace base
 dynamically

Selecting it statically is deprecated and results in a warning while
booting the system:

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

Signed-off-by: Mateusz Majewski <m.majewski2@...sung.com>
---
 drivers/pinctrl/samsung/pinctrl-samsung.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index 511a3ac51f76..952aeeebb679 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -968,7 +968,7 @@ static int samsung_gpiolib_register(struct platform_device *pdev,
 		bank->gpio_chip = samsung_gpiolib_chip;
 
 		gc = &bank->gpio_chip;
-		gc->base = drvdata->pin_base + bank->pin_base;
+		gc->base = -1; /* Dynamic allocation */
 		gc->ngpio = bank->nr_pins;
 		gc->parent = &pdev->dev;
 		gc->fwnode = bank->fwnode;
-- 
2.42.0