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[188.85.180.35]) by smtp.gmail.com with ESMTPSA id l11-20020a05600c1d0b00b00393fbabdddfsm2518618wms.36.2022.04.29.04.57.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 29 Apr 2022 04:57:21 -0700 (PDT) Message-ID: <91d8eb87-adf0-da62-0c7b-dbf94442f535@gmail.com> Date: Fri, 29 Apr 2022 13:57:20 +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 number of DMA requests 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: <20220429084225.298213-1-rsalvaterra@gmail.com> From: Matthias Brugger In-Reply-To: <20220429084225.298213-1-rsalvaterra@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220429_045727_037881_DA113929 X-CRM114-Status: GOOD ( 14.63 ) 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 10:42, Rui Salvaterra wrote: > The MT7622 device tree never bothered to specify the number of virtual DMA > channels for the HSDMA controller, always falling back to the default value of > 3. Make this value explicit, in order to avoid the following dmesg notification: > > mtk_hsdma 1b007000.dma-controller: Using 3 as missing dma-requests property > > Signed-off-by: Rui Salvaterra Applied, thanks! > --- > arch/arm64/boot/dts/mediatek/mt7622.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi > index 3d6eaf6dd078..5551f004945b 100644 > --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi > @@ -924,6 +924,7 @@ hsdma: dma-controller@1b007000 { > clock-names = "hsdma"; > power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>; > #dma-cells = <1>; > + dma-requests = <3>; > }; > > eth: ethernet@1b100000 { _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek