target/linux/mediatek/patches-5.15/192-v5.19-arm64-dts-mt7622-specify-the-number-of-DMA-requests.patch

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  71 From: Rui Salvaterra <rsalvaterra@gmail.com>
  72 To: linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org,
  73  linux-kernel@vger.kernel.org
  74 Cc: matthias.bgg@gmail.com, ryder.lee@mediatek.com, daniel@makrotopia.org,
  75  Rui Salvaterra <rsalvaterra@gmail.com>
  76 Subject: [PATCH] arm64: dts: mt7622: specify the number of DMA requests
  77 Date: Fri, 29 Apr 2022 09:42:25 +0100
  78 Message-Id: <20220429084225.298213-1-rsalvaterra@gmail.com>
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 100  linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org
 101
 102 The MT7622 device tree never bothered to specify the number of virtual DMA
 103 channels for the HSDMA controller, always falling back to the default value of
 104 3. Make this value explicit, in order to avoid the following dmesg notification:
 105
 106 mtk_hsdma 1b007000.dma-controller: Using 3 as missing dma-requests property
 107
 108 Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
 109 ---
 110  arch/arm64/boot/dts/mediatek/mt7622.dtsi | 1 +
 111  1 file changed, 1 insertion(+)
 112
 113 --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
 114 +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
 115 @@ -942,6 +942,7 @@
 116                 clock-names = "hsdma";
 117                 power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>;
 118                 #dma-cells = <1>;
 119 +               dma-requests = <3>;
 120         };
 121
 122         pcie_mirror: pcie-mirror@10000400 {