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Wed, 20 Dec 2023 10:58:46 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 20 Dec 2023 10:58:45 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , AngeloGioacchino Del Regno CC: Chunfeng Yun , Conor Dooley , Matthias Brugger , "Mathias Nyman" , , , , , , Eddie Hung , Macpaul Lin Subject: [PATCH v3 3/3] arm64: dts: mediatek: mt8195: Add 'rx-fifo-depth' for cherry Date: Wed, 20 Dec 2023 10:58:42 +0800 Message-ID: <20231220025842.7082-3-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231220025842.7082-1-chunfeng.yun@mediatek.com> References: <20231220025842.7082-1-chunfeng.yun@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10-1.858000-8.000000 X-TMASE-MatchedRID: SmKlVN5gTYOLwgJA7qJvFEf49ONH0RaSGSqdEmeD/nUQVRHC3B6FYFfe kLFvP8UVQt2470g7vecqScZQsLRFpMBMY+N44zjMwCZxkTHxcclQCOsAlaxN70C0ozeEMMB8gK6 qCGa1Z9f+L7hkgxmjCYAy6p60ZV62fJ5/bZ6npdiujVRFkkVsm1M3J2vm0mJ+yiHX4eBbTmTLpk uFSwPGnqV24iXBtxcDn3OZvch5THViXwsLBqINMwd+1FkBk2L+Hkqld9LmJfhrhj/zqKQQB21Rj oup2VCcWve+eVz4Pp5Vk5utmQ1VlGVF3+d9rnox6EMj9/eK3+Y= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10-1.858000-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 0892C9BC451D3DB96D076D71859C99E1D706F4D7315969C0460307EB121A3B6F2000:8 X-MTK: N Add the quirk property "rx-fifo-depth" to work around Gen1 isoc-in transfer issue which send out unexpected ACK even after device already finished the burst transfer with a short patcket, specially for a 4K camera device. Signed-off-by: Chunfeng Yun --- v3: change value according to binding v2: use 'rx-fifo-depth' property --- arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index dd5b89b73190..58593348b810 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -1185,6 +1185,7 @@ vusb33-supply = <&mt6359_vusb_ldo_reg>; vbus-supply = <&usb_vbus>; + rx-fifo-depth = <3>; }; &xhci1 { @@ -1192,6 +1193,7 @@ vusb33-supply = <&mt6359_vusb_ldo_reg>; vbus-supply = <&usb_vbus>; + rx-fifo-depth = <3>; }; &xhci2 { -- 2.18.0