From mboxrd@z Thu Jan  1 00:00:00 1970
From: tibor@harsszegi.com (Tibor Harsszegi)
Date: Wed, 10 Jul 2013 19:29:12 +0200
Subject: NSA310 + DT
In-Reply-To: <20130710172358.GB31692@lunn.ch>
References: <51DC564A.8050002@harsszegi.com> <20130709193605.GC26223@lunn.ch>
 <20130709202143.GD26223@lunn.ch>
 <2544f179ed4349545a25aa60d52a664a@harsszegi.com>
 <20130710134119.GA30885@lunn.ch> <51DD8E8B.2040505@harsszegi.com>
 <20130710165342.GA31692@lunn.ch> <51DD926C.1010205@harsszegi.com>
 <51DD964C.7020200@harsszegi.com> <51DD96B9.8030900@harsszegi.com>
 <20130710172358.GB31692@lunn.ch>
Message-ID: <51DD99E8.4090507@harsszegi.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hello,
> root at qnap:/sys# find . -name *gpio*
root at nsa310:/sys# find . -name *gpio*
./bus/platform/devices/gpio_keys.1
./bus/platform/devices/f1010140.gpio
./bus/platform/devices/gpio-leds.2
./bus/platform/devices/f1010100.gpio
./bus/platform/devices/gpio_poweroff.3
./bus/platform/drivers/leds-gpio
./bus/platform/drivers/mvebu-gpio
./bus/platform/drivers/mvebu-gpio/f1010140.gpio
./bus/platform/drivers/mvebu-gpio/f1010100.gpio
./bus/platform/drivers/poweroff-gpio
./bus/platform/drivers/gpio-keys
./bus/platform/drivers/basic-mmio-gpio
./devices/gpio_keys.1
./devices/ocp.0/f1010140.gpio
./devices/ocp.0/f1010140.gpio/gpio
./devices/ocp.0/f1010140.gpio/gpio/gpiochip32
./devices/ocp.0/f1010140.gpio/gpio/gpiochip32/ngpio
./devices/ocp.0/f1010100.gpio
./devices/ocp.0/f1010100.gpio/gpio
./devices/ocp.0/f1010100.gpio/gpio/gpiochip0
./devices/ocp.0/f1010100.gpio/gpio/gpiochip0/ngpio
./devices/gpio-leds.2
./devices/gpio_poweroff.3
./class/gpio
./class/gpio/gpiochip32
./class/gpio/gpiochip0

> I have no LEDs on this box, but you should should see entries in
>
> /sys/class/leds
>
No, I don't.

root at nsa310:/sys# ls -la /sys/class/leds/
total 0
drwxr-xr-x 2 root root 0 j??l 10 19:24 .
drwxr-xr-x 34 root root 0 j??l 10 19:24 ..

Cheers,
t.

> What you probably see in the kernel logs is lots of warnings from gpio
> about deferred, but then they get repeated later and are successful.
>
> 	Andrew