linux-kernel - [PATCH 7/7] gpio: Use unsigned int for of_gpio_n

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Message-Id: <20170724145728.7662-7-thierry.reding@gmail.com>
Date:   Mon, 24 Jul 2017 16:57:28 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Jonathan Corbet <corbet@....net>, linux-gpio@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 7/7] gpio: Use unsigned int for of_gpio_n_cells

From: Thierry Reding <treding@...dia.com>

The cell count for GPIO specifiers can never be negative, so make the
field unsigned.

Signed-off-by: Thierry Reding <treding@...dia.com>
---
 include/linux/gpio/driver.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index fe66c9306caf..c97f8325e8bf 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -193,7 +193,7 @@ struct gpio_chip {
 	 *
 	 * Number of cells used to form the GPIO specifier.
 	 */
-	int of_gpio_n_cells;
+	unsigned int of_gpio_n_cells;
 
 	/**
 	 * @of_xlate:
-- 
2.13.3