udev: don't reference parent sysfs node directly

udev warns direct reference to parent sysfs, which is not necessary and
may break future kernel. Actually udev will handle parent nodes automatically
for ATTRS key.

This fixes [BUGID #113]

Signed-off-by: Kevin Tian <kevin.tian@intel.com>

2 files changed, 2 insertions, 3 deletions

diff --git a/meta/recipes-core/udev/udev-158/local.rules b/meta/recipes-core/udev/udev-158/local.rules
index dab319b431..317dd9f289 100644
--- a/meta/recipes-core/udev/udev-158/local.rules
+++ b/meta/recipes-core/udev/udev-158/local.rules
@@ -28,6 +28,5 @@ KERNEL=="rtc0", SYMLINK+="rtc"
 ACTION=="add", DEVPATH=="/devices/*", ENV{MODALIAS}=="?*", RUN+="/sbin/modprobe $env{MODALIAS}"
 
 # Create a symlink to any touchscreen input device
-# Need to use ../ so the eventX can find the parent inputX modalias which is a directory above
-SUBSYSTEM=="input", KERNEL=="event[0-9]*", ATTRS{../modalias}=="input:*-e0*,3,*a0,1,*18,*", SYMLINK+="input/touchscreen0"
+SUBSYSTEM=="input", KERNEL=="event[0-9]*", ATTRS{modalias}=="input:*-e0*,3,*a0,1,*18,*", SYMLINK+="input/touchscreen0"
 
diff --git a/meta/recipes-core/udev/udev_158.bb b/meta/recipes-core/udev/udev_158.bb
index daf8d37e5f..a9529d9d86 100644
--- a/meta/recipes-core/udev/udev_158.bb
+++ b/meta/recipes-core/udev/udev_158.bb
@@ -1,3 +1,3 @@
 include udev-new.inc
 
-PR = "r2"
+PR = "r3"