On Tue, Nov 08, 2016 at 11:46:35AM +1100, Michael Ellerman wrote: > Hans de Goede <hdegoede@xxxxxxxxxx> writes: > > > This reverts commit 05fd007e4629 ("console: don't prefer first registered > > if DT specifies stdout-path"). > > > > The reverted commit changes existing behavior on which many ARM boards > > rely. Many ARM small-board-computers, like e.g. the Raspberry Pi have > > both a video output and a serial console. Depending on whether the user > > is using the device as a more regular computer; or as a headless device > > we need to have the console on either one or the other. > > > > Many users rely on the kernel behavior of the console being present on > > both outputs, before the reverted commit the console setup with no > > console= kernel arguments on an ARM board which sets stdout-path in dt > > would look like this: > > > > [root@localhost ~]# cat /proc/consoles > > ttyS0 -W- (EC p a) 4:64 > > tty0 -WU (E p ) 4:1 > > > > Where as after the reverted commit, it looks like this: > > > > [root@localhost ~]# cat /proc/consoles > > ttyS0 -W- (EC p a) 4:64 > > > > This commit reverts commit 05fd007e4629 ("console: don't prefer first > > registered if DT specifies stdout-path") restoring the original behavior. > > > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > > This is also breaking various powerpc systems. > > Linus can you please merge this revert for 4.9 ? I'll queue it up with other tty changes for 4.9-final. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html