linux-kernel - Re: [PATCH] dt-bindings: leds: Drop redundant cpus enum match

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Message-ID: <168244894963.2080814.13396719387956216399.robh@kernel.org>
Date:   Tue, 25 Apr 2023 13:55:50 -0500
From:   Rob Herring <robh@...nel.org>
To:     Nishanth Menon <nm@...com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-leds@...r.kernel.org,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        linux-kernel@...r.kernel.org, Lee Jones <lee@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH] dt-bindings: leds: Drop redundant cpus enum match


On Mon, 24 Apr 2023 10:14:37 -0500, Nishanth Menon wrote:
> Commit e91a4d5deb96 ("dt-bindings: leds: Document commonly used
> LED triggers") introduced a enum match for cpu, while a pattern
> '^cpu[0-9]*$' already exists.
> 
> This causes linux,default-trigger = "cpu" to have more than one match
> and generates the following dtbs_check warning:
> 
> arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dtb: leds: led-2:linux,default-trigger: More than one condition true in oneOf schema:
> 	{'$ref': '/schemas/types.yaml#/definitions/string',
> 	 'oneOf': [{'items': [{'enum': ['backlight',
> 	                                'default-on',
> 	                                'heartbeat',
> 	                                'disk-activity',
> 	                                'disk-read',
> 	                                'disk-write',
> 	                                'timer',
> 	                                'pattern',
> 	                                'audio-micmute',
> 	                                'audio-mute',
> 	                                'bluetooth-power',
> 	                                'cpu',
> 	                                'flash',
> 	                                'kbd-capslock',
> 	                                'mtd',
> 	                                'nand-disk',
> 	                                'none',
> 	                                'torch',
> 	                                'usb-gadget',
> 	                                'usb-host',
> 	                                'usbport']}],
> 	            'maxItems': 1,
> 	            'minItems': 1,
> 	            'type': 'array'},
> 	           {'items': [{'pattern': '^cpu[0-9]*$'}],
> 	            'maxItems': 1,
> 	            'minItems': 1,
> 	            'type': 'array'},
> 	           {'items': [{'pattern': '^hci[0-9]+-power$'}],
> 	            'maxItems': 1,
> 	            'minItems': 1,
> 	            'type': 'array'},
> 	           {'items': [{'pattern': '^mmc[0-9]+$'}],
> 	            'maxItems': 1,
> 	            'minItems': 1,
> 	            'type': 'array'},
> 	           {'items': [{'pattern': '^phy[0-9]+tx$'}],
> 	            'maxItems': 1,
> 	            'minItems': 1,
> 	            'type': 'array'}]}
> 
> Drop the explicit match against cpu since the pattern match already
> covers the same.
> 
> Fixes: e91a4d5deb96 ("dt-bindings: leds: Document commonly used LED triggers")
> Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Signed-off-by: Nishanth Menon <nm@...com>
> ---
>  Documentation/devicetree/bindings/leds/common.yaml | 2 --
>  1 file changed, 2 deletions(-)
> 

Acked-by: Rob Herring <robh@...nel.org>