From: Julien Béraud <julien.beraud@orolia.com>
Date: Mon, 7 Jan 2019 09:17:46 +0000 (+0000)
Subject: gpio: altera_pio: fix get_value
X-Git-Tag: v2019.04-rc3~5^2~3
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=97b262758b7c99a644155254bee9f716573b10ac;p=oweals%2Fu-boot.git

gpio: altera_pio: fix get_value

gpio_get_value should return 0 or 1, not the value of bit & (1 << pin)

Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Julien Beraud <julien.beraud@orolia.com>
---

diff --git a/drivers/gpio/altera_pio.c b/drivers/gpio/altera_pio.c
index 59e30979f0..324f9c29a8 100644
--- a/drivers/gpio/altera_pio.c
+++ b/drivers/gpio/altera_pio.c
@@ -56,7 +56,7 @@ static int altera_pio_get_value(struct udevice *dev, unsigned pin)
 	struct altera_pio_platdata *plat = dev_get_platdata(dev);
 	struct altera_pio_regs *const regs = plat->regs;
 
-	return readl(&regs->data) & (1 << pin);
+	return !!(readl(&regs->data) & (1 << pin));
 }