linux-kernel - Re: [PATCH] ARM: dts: s5pv210: Fix onenand's unit address format warning

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Message-ID: <2629067.mKC4sQJUgE@acerlaptop>
Date:   Wed, 09 Jan 2019 15:31:06 +0100
From:   Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Kukjin Kim <kgene@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Tomasz Figa <tomasz.figa@...il.com>
Subject: Re: [PATCH] ARM: dts: s5pv210: Fix onenand's unit address format warning

Dnia środa, 9 stycznia 2019 14:43:03 CET Krzysztof Kozlowski pisze:
> According to Devicetree specification, the unit-address must match the
> first address specified in the reg property of the node.  Fix the DTC
> warning onenand node:
> 
>     arch/arm/boot/dts/s5pv210.dtsi:81.29-93.5:
>         Warning (simple_bus_reg): /soc/onenand@...00000: simple-bus unit address format error, expected "b0600000"
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> 
> ---
> 
> The remaining warning is wrong clock-controller subnode of fimc camera.
>     arch/arm/boot/dts/s5pv210.dtsi:578.32-580.6: Warning (simple_bus_reg): /soc/camera/clock-controller: missing or empty reg/ranges property
> The subnode in my understanding does not follow bindings and the driver.
> The driver with current s5pv210.dtsi will not register a clock provider... but
> I do not have a device to confirm this.
> ---
>  arch/arm/boot/dts/s5pv210.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi
> index cc22c9db80d2..26ea5c66d8ce 100644
> --- a/arch/arm/boot/dts/s5pv210.dtsi
> +++ b/arch/arm/boot/dts/s5pv210.dtsi
> @@ -78,7 +78,7 @@
>  			};
>  		};
>  
> -		onenand: onenand@...00000 {
> +		onenand: onenand@...00000 {
>  			compatible = "samsung,s5pv210-onenand";
>  			reg = <0xb0600000 0x2000>,
>  				<0xb0000000 0x20000>,
> 
Checked on Samsung Galaxy S (with local, not yet submited patches for devicetree support for onenand, which is missing in mainline) and it looks ok (device probed, was able to use ubi tools).
Tested-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>