linux-kernel - [PATCH] gpiolib: fix lookup of platform-mapped GPIOs

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Message-Id: <1385186152-29188-1-git-send-email-acourbot@nvidia.com>
Date:	Sat, 23 Nov 2013 14:55:52 +0900
From:	Alexandre Courbot <acourbot@...dia.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH] gpiolib: fix lookup of platform-mapped GPIOs

A typo resulted in GPIO lookup failing unconditionally.

Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
Reported-by: Stephen Warren <swarren@...dotorg.org>
---
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 980b08d..86caf17 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2367,7 +2367,7 @@ static struct gpio_desc *gpiod_find(struct device *dev, const char *con_id,
 				continue;
 			}
 
-			if (chip->ngpio >= p->chip_hwnum) {
+			if (chip->ngpio <= p->chip_hwnum) {
 				dev_warn(dev, "GPIO chip %s has %d GPIOs\n",
 					 chip->label, chip->ngpio);
 				continue;
-- 
1.8.4.2

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