linux-kernel - Re: [PATCH 15/16] arm64: dts: renesas: rzg3s-smarc: Enable USB support

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Message-ID: <cbb9d3ab-ed61-43f6-aca1-8d35316c4ff6@tuxon.dev>
Date: Wed, 9 Oct 2024 11:42:40 +0300
From: claudiu beznea <claudiu.beznea@...on.dev>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: vkoul@...nel.org, kishon@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, p.zabel@...gutronix.de, magnus.damm@...il.com,
 gregkh@...uxfoundation.org, mturquette@...libre.com, sboyd@...nel.org,
 yoshihiro.shimoda.uh@...esas.com, biju.das.jz@...renesas.com,
 ulf.hansson@...aro.org, linux-phy@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-renesas-soc@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
 linux-pm@...r.kernel.org, Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH 15/16] arm64: dts: renesas: rzg3s-smarc: Enable USB
 support

Hi, Geert,

On 08.10.2024 18:16, Geert Uytterhoeven wrote:
> Hi Claudiu,
> 
> On Thu, Aug 22, 2024 at 5:28 PM Claudiu <claudiu.beznea@...on.dev> wrote:
>> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>>
>> Enable USB support (host, device, USB PHYs and sysc).
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> Thanks for your patch!
> 
>> --- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
>> +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
>> @@ -144,3 +188,20 @@ &sdhi1 {
>>         max-frequency = <125000000>;
>>         status = "okay";
>>  };
>> +
>> +&sysc {
>> +       status = "okay";
>> +};
>> +
> 
> To avoid regressions (/sys/devices/soc0/ disappearing), enabling sysc
> is a dependency for "[PATCH 05/16] soc: renesas: sysc: Move RZ/G3S
> SoC detection on SYSC driver", so I think it makes sense to change
> its status to "okay" in r9a08g045.dtsi instead, and spin that off into
> its own patch. 

Good point! I'll add the dtsi changes into "[PATCH 05/16] soc: renesas:
sysc: Move RZ/G3S SoC detection on SYSC driver".

Thank you,
Claudiu Beznea

 I am not super-worried, so doing the driver and DTS
> changes in separate patches should be fine, as long as they meet each
> other in next or upstream.
> 
> The rest LGTM.
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
>