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[2a01:c23:c4df:e300:c146:1250:ead2:43ad]) by smtp.googlemail.com with ESMTPSA id m3-20020adfe0c3000000b002c4084d3472sm1923682wri.58.2023.02.09.12.11.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Feb 2023 12:11:56 -0800 (PST) Message-ID: Date: Thu, 9 Feb 2023 21:10:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2 Subject: [PATCH 1/3] arm64: dts: meson-axg: Make mmc host controller interrupts level-sensitive Content-Language: en-US From: Heiner Kallweit To: Rob Herring , Krzysztof Kozlowski , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl Cc: "open list:ARM/Amlogic Meson..." , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Nan Li , Vyacheslav Bocharov References: <8a99341b-8546-8f90-c9a5-087d927cac48@gmail.com> In-Reply-To: <8a99341b-8546-8f90-c9a5-087d927cac48@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230209_121158_324760_ACAD0BE3 X-CRM114-Status: GOOD ( 10.09 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org The usage of edge-triggered interrupts lead to lost interrupts under load, see [0]. This was confirmed to be fixed by using level-triggered interrupts. The report was about SDIO. However, as the host controller is the same for SD and MMC, apply the change to all mmc controller instances. [0] https://www.spinics.net/lists/linux-mmc/msg73991.html Fixes: 221cf34bac54 ("ARM64: dts: meson-axg: enable the eMMC controller") Reported-by: Peter Suti Tested-by: Vyacheslav Bocharov Tested-by: Peter Suti Cc: stable@vger.kernel.org Signed-off-by: Heiner Kallweit --- arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index 1648e67af..417523dc4 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -1886,7 +1886,7 @@ apb: bus@ffe00000 { sd_emmc_b: sd@5000 { compatible = "amlogic,meson-axg-mmc"; reg = <0x0 0x5000 0x0 0x800>; - interrupts = ; + interrupts = ; status = "disabled"; clocks = <&clkc CLKID_SD_EMMC_B>, <&clkc CLKID_SD_EMMC_B_CLK0>, @@ -1898,7 +1898,7 @@ sd_emmc_b: sd@5000 { sd_emmc_c: mmc@7000 { compatible = "amlogic,meson-axg-mmc"; reg = <0x0 0x7000 0x0 0x800>; - interrupts = ; + interrupts = ; status = "disabled"; clocks = <&clkc CLKID_SD_EMMC_C>, <&clkc CLKID_SD_EMMC_C_CLK0>, -- 2.39.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic