On Mon, May 20, 2019 at 10:21:40AM +0200, Clément Péron wrote: > Hi, > > On Mon, 20 May 2019 at 09:36, Maxime Ripard wrote: > > > > On Sat, May 18, 2019 at 05:23:53PM +0200, Clément Péron wrote: > > > Allwinner H6 has a watchog node which seems broken > > > on some boards. > > > > > > Test has been performed on several boards. > > > > > > Chen-Yu Tsai boards: > > > Pine H64 - H6448BA 7782 => OK > > > OrangePi Lite 2 - H8068BA 61C2 => KO > > > > > > Martin Ayotte boards: > > > Pine H64 - H8069BA 6892 => OK > > > OrangePi 3 - HA047BA 69W2 => KO > > > OrangePi One Plus - H7310BA 6842 => KO > > > OrangePi Lite2 - H6448BA 6662 => KO > > > > > > Clément Péron board: > > > Beelink GS1 - H7309BA 6842 => KO > > > > > > As it seems not fixable for now, declare the node > > > but leave it disable with a comment. > > > > > > Signed-off-by: Clément Péron > > > > If it doesn't work most boards, then why do we need to merge that > > patch in the first place? > > My personnal opinion, is that having the IP declared and disabled with > a comment saying "it's broken on some boards" in the device-tree is > better than not having at all. > > This will explicit say "the IP exist but don't use it!". > Maybe some people with a functionnal board would like to explicitly > use it on their dts. Yeah, that makes sense. Chen-Yu, any opinion on the matter? Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com