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Date: Tue, 26 Mar 2024 15:18:05 -0400
From: Sasha Levin <sashal@kernel.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH 5.15 110/317] arm64: dts: renesas: r8a779a0: Update to
 R-Car Gen4 compatible values
Message-ID: <ZgMfbenM7Kav2BTJ@sashalap>
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 <20240324233458.1352854-111-sashal@kernel.org>
 <CAMuHMdUK0YYELTN=JQDtGuYg03Em6c7kskpqUR0Y6NbNuR7hfQ@mail.gmail.com>
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On Mon, Mar 25, 2024 at 09:43:31AM +0100, Geert Uytterhoeven wrote:
>Hi Sasha,
>
>On Mon, Mar 25, 2024 at 12:36 AM Sasha Levin <sashal@kernel.org> wrote:
>> From: Geert Uytterhoeven <geert+renesas@glider.be>
>>
>> [ Upstream commit a1721bbbdb5c6687d157f8b8714bba837f6028ac ]
>>
>> Despite the name, R-Car V3U is the first member of the R-Car Gen4
>> family.  Hence update the compatible properties in various device nodes
>> to include family-specific compatible values for R-Car Gen4 instead of
>> R-Car Gen3:
>>   - DMAC,
>>   - (H)SCIF,
>>   - I2C,
>>   - IPMMU,
>>   - WDT.
>>
>> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
>> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
>> Link: https://lore.kernel.org/r/73cea9d5e1a6639422c67e4df4285042e31c9fd5.1651497071.git.geert+renesas@glider.be
>> Stable-dep-of: 0c51912331f8 ("arm64: dts: renesas: r8a779a0: Correct avb[01] reg sizes")
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>> ---
>>  arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 24 +++++++++++------------
>>  1 file changed, 12 insertions(+), 12 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
>> index 26899fb768a73..c7d1b79692c11 100644
>> --- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
>> +++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
>> @@ -583,7 +583,7 @@ hscif3: serial@e66a0000 {
>>
>>                 avb0: ethernet@e6800000 {
>>                         compatible = "renesas,etheravb-r8a779a0",
>> -                                    "renesas,etheravb-rcar-gen3";
>> +                                    "renesas,etheravb-rcar-gen4";
>
>This change will break Ethernet, as the Renesas EtherAVB driver in
>v5.15.x does not handle "renesas,etheravb-rcar-gen4" yet.
>
>That can be fixed by also backporting commit 949f252a8594a860
>("net: ravb: Add R-Car Gen4 support") in v6.1.

I'll just drop this patch instead, thanks!

-- 
Thanks,
Sasha