driver core: core: use DEVICE_ATTR_RO
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 24 Aug 2013 00:07:26 +0000 (17:07 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 24 Aug 2013 00:07:26 +0000 (17:07 -0700)
Use DEVICE_ATTR_RO() instead of a "raw" __ATTR macro, making it easier
to audit exactly what is going on with the sysfs files.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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