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[188.85.180.35]) by smtp.gmail.com with ESMTPSA id c9-20020adfa309000000b0020ad4eae9b6sm2445896wrb.100.2022.04.29.05.58.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 29 Apr 2022 05:58:25 -0700 (PDT) Message-ID: Date: Fri, 29 Apr 2022 14:58:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH] arm64: dts: mt7622: specify the L2 cache topology Content-Language: en-US To: Rui Salvaterra , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Cc: ryder.lee@mediatek.com, daniel@makrotopia.org References: <20220428225755.785153-1-rsalvaterra@gmail.com> From: Matthias Brugger In-Reply-To: <20220428225755.785153-1-rsalvaterra@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220429_055830_182855_1D715F6A X-CRM114-Status: GOOD ( 15.87 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 29/04/2022 00:57, Rui Salvaterra wrote: > On an MT7622 system, the kernel complains of not being able to detect the cache > hierarchy of CPU 0. Specify the shared L2 cache node in the device tree, in > order to fix this. > > Signed-off-by: Rui Salvaterra Applied, thanks! > --- > arch/arm64/boot/dts/mediatek/mt7622.dtsi | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi > index 6f8cb3ad1e84..3d6eaf6dd078 100644 > --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi > @@ -80,6 +80,7 @@ cpu0: cpu@0 { > enable-method = "psci"; > clock-frequency = <1300000000>; > cci-control-port = <&cci_control2>; > + next-level-cache = <&L2>; > }; > > cpu1: cpu@1 { > @@ -94,6 +95,12 @@ cpu1: cpu@1 { > enable-method = "psci"; > clock-frequency = <1300000000>; > cci-control-port = <&cci_control2>; > + next-level-cache = <&L2>; > + }; > + > + L2: l2-cache { > + compatible = "cache"; > + cache-level = <2>; > }; > }; > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek