From: Ian Pilcher <arequipeno@gmail.com>
To: linux-leds@vger.kernel.org
Cc: kernelnewbies@kernelnewbies.org, linux-kernel@vger.kernel.org
Subject: device_create_file returns 0 but doesn't work
Date: Sun, 01 Sep 2013 18:38:30 -0500 [thread overview]
Message-ID: <l00j5e$8b0$1@ger.gmane.org> (raw)
I am trying to add an additional sysfs attribute to a device (LED) that
is created by another driver. (My ultimate goal is to provide a way for
a userspace application to use the functionality provided by
led_blink_set, which doesn't currently seem to be possible.)
The kernel module code that sets up all the GPIOs & LEDs in my NAS is
at:
http://pastebin.com/TJZGww8T
The call to device_create_file is at line 373.
device_create_file is returning 0, but the "foo" attribute is not being
created. ("find /sys -name '*foo*'" doesn't find anything, so I'm not
just looking in the wrong place.)
What am I doing wrong?
Thanks!
--
========================================================================
Ian Pilcher arequipeno@gmail.com
Sometimes there's nothing left to do but crash and burn...or die trying.
========================================================================
next reply other threads:[~2013-09-01 23:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-01 23:38 Ian Pilcher [this message]
2013-09-02 4:48 ` device_create_file returns 0 but doesn't work Ian Pilcher
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