[PATCH 3/8] ARM: iop32x: read N2100 power key using gpiolib

[Linus Walleij]

Refrain from using the custom gpio_line_get() to read the power
key on the N2100, use the gpiolib function gpio_get() instead.
Also request the line when initializing the machine.

Cc: Lennert Buytenhek <kernel at wantstofly.org>
Cc: Dan Williams <dan.j.williams at intel.com>
Cc: Mikael Pettersson <mikpe at it.uu.se>
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
 arch/arm/mach-iop32x/n2100.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index cd199c1..d495b4f 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -306,7 +306,7 @@ static struct timer_list power_button_poll_timer;
 
 static void power_button_poll(unsigned long dummy)
 {
-	if (gpio_line_get(N2100_POWER_BUTTON) == 0) {
+	if (gpio_get_value(N2100_POWER_BUTTON) == 0) {
 		ctrl_alt_del();
 		return;
 	}
@@ -339,6 +339,14 @@ static void __init n2100_init_machine(void)
 	ret = gpio_request(N2100_HARDWARE_RESET, "reset");
 	if (ret)
 		pr_err("could not request reset GPIO\n");
+	ret = gpio_request(N2100_POWER_BUTTON, "power");
+	if (ret)
+		pr_err("could not request power GPIO\n");
+	else {
+		ret = gpio_direction_input(N2100_POWER_BUTTON);
+		if (ret)
+			pr_err("could not set power GPIO as input\n");
+	}
 }
 
 MACHINE_START(N2100, "Thecus N2100")
-- 
1.8.3.1