On Thu, Aug 8, 2019 at 2:28 AM Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> wrote: > > On Mon, Jul 08, 2019 at 08:04:25PM -0600, Rob Herring wrote: > > On Fri, Jun 07, 2019 at 05:44:05PM +0200, Paul Cercueil wrote: > > > Right now none of the Ingenic-based boards probe this driver from > > > devicetree. This driver defined three compatible strings for the exact > > > same behaviour. Before these strings are used, we can remove two of > > > them. > > > > > > Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx> > > > --- > > > > > > Notes: > > > v2: Rebase on v5.2-rc3 > > > > > > Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt | 5 +---- > > > 1 file changed, 1 insertion(+), 4 deletions(-) > > > > > > diff --git a/Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt b/Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt > > > index 7d9d3f90641b..493bec80d59b 100644 > > > --- a/Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt > > > +++ b/Documentation/devicetree/bindings/pwm/ingenic,jz47xx-pwm.txt > > > @@ -2,10 +2,7 @@ Ingenic JZ47xx PWM Controller > > > ============================= > > > > > > Required properties: > > > -- compatible: One of: > > > - * "ingenic,jz4740-pwm" > > > - * "ingenic,jz4770-pwm" > > > - * "ingenic,jz4780-pwm" > > > +- compatible: Should be "ingenic,jz4740-pwm" > > > > Are you sure all 3 chips are exactly the same features and bugs? > > > > The correct thing to do here generally is the 4770 and 4780 would also > > have ingenic,jz4740-pwm as a fallback compatible. Then the driver can > > match on that until you find some difference and can use the more > > specific compatible. > > Note that Thierry already applied this patch before your concern reached > the mailing list. Is this bad enough to revert > 925488e8df4f396ad96ff008a84f5b14d8b73347? It won't be my problem when you find and need to handle any of the differences in the driver. Rob