On Tue, Jun 14, 2016 at 01:36:11PM +0300, Adrian Hunter wrote: > On 14/06/16 13:12, Wolfram Sang wrote: > > On Tue, Jun 14, 2016 at 10:33:06AM +0200, Beata Baranowska wrote: > >> From: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx> > >> > >> When the enhanced area feature was not enabled, the related sysfs will > >> have -EINVAL(-22) value, so change the sysfs output format to display > >> the correct value. > >> > >> Signed-off-by: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx> > > > > What about introducing attribute_group an use the is_visible callback > > there, so they won't get displayed at all? > > > > Except that it is an ABI: > > Documentation/ABI/testing/sysfs-devices-mmc And broken ever since if this patch is needed... that being said, I don't really have a strong opinion on my suggestion. I see the file is out there for >5 years.
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