From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH 1/3] dt-bindings: arm: samsung: Force clkoutN names to be unique in PMU Date: Tue, 8 Oct 2019 16:29:00 +0200 Message-ID: <20191008142900.GA2635@pi3> References: <20191004151414.8458-1-krzk@kernel.org> <20191008125038.GA2550@pi3> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Rob Herring Cc: Mark Rutland , devicetree@vger.kernel.org, linux-samsung-soc , Maciej Falkowski , "open list:SERIAL DRIVERS" , David Airlie , Greg Kroah-Hartman , "linux-kernel@vger.kernel.org" , dri-devel , Kukjin Kim , Lee Jones , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Marek Szyprowski List-Id: linux-serial@vger.kernel.org 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clkoutN names to be unique in PMU Message-ID: <20191008142900.GA2635@pi3> References: <20191004151414.8458-1-krzk@kernel.org> <20191008125038.GA2550@pi3> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-serial-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Message-ID: <20191008142900.FzZbgKIZSzvMdyKy_4EyW0eqK4b79pRoXHrJliUiZeE@z> On Tue, Oct 08, 2019 at 09:17:16AM -0500, Rob Herring wrote: > On Tue, Oct 8, 2019 at 9:05 AM Rob Herring wrote: > > > > On Tue, Oct 8, 2019 at 7:50 AM Krzysztof Kozlowski wrote: > > > > > > On Tue, Oct 08, 2019 at 07:38:14AM -0500, Rob Herring wrote: > > > > On Fri, Oct 4, 2019 at 10:14 AM Krzysztof Kozlowski wrote: > > > > > > > > > > The clkoutN names of clocks must be unique because they represent > > > > > unique inputs of clock multiplexer. > > > > > > > > > > Signed-off-by: Krzysztof Kozlowski > > > > > --- > > > > > Documentation/devicetree/bindings/arm/samsung/pmu.yaml | 6 ++++-- > > > > > 1 file changed, 4 insertions(+), 2 deletions(-) > > > > > > > > > > diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.yaml b/Documentation/devicetree/bindings/arm/samsung/pmu.yaml > > > > > index 73b56fc5bf58..d8e03716f5d2 100644 > > > > > --- a/Documentation/devicetree/bindings/arm/samsung/pmu.yaml > > > > > +++ b/Documentation/devicetree/bindings/arm/samsung/pmu.yaml > > > > > @@ -53,8 +53,10 @@ properties: > > > > > List of clock names for particular CLKOUT mux inputs > > > > > minItems: 1 > > > > > maxItems: 32 > > > > > - items: > > > > > - pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$' > > > > > + allOf: > > > > > + - items: > > > > > + pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$' > > > > > + - uniqueItems: true > > > > > > > > You shouldn't need the 'allOf', just add uniqueItems at the same level as items. > > > > > > If you mean something like: > > > 56 uniqueItems: true > > > 57 items: > > > 58 pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$' > > > > > > Then the dt_binding_check fails: > > > > > > dev/linux/Documentation/devicetree/bindings/arm/samsung/pmu.yaml: properties:clock-names: > > > 'uniqueItems' is not one of ['$ref', 'additionalItems', 'additionalProperties', 'allOf', 'anyOf', 'const', 'contains', 'default', 'dependencies', 'deprecated', 'description', 'else', 'enum', 'items', 'if', 'minItems', 'minimum', 'maxItems', 'maximum', 'not', 'oneOf', 'pattern', 'patternProperties', 'properties', 'required', 'then', 'type', 'typeSize', 'unevaluatedProperties'] > > > > I can add it. > > > > The other option is to fix this in the clock schema. I'm not sure if > > there's a need for duplicate clock-names. Seems unlikely. I'll test > > that. > > Actually, clock-names is already set to be unique. Did you see otherwise? Yeah, I duplicated on purpose "clkout1" and it was not reported as an error. That's why I added "uniqueItems". Best regards, Krzysztof