Re: [PATCH v2] arm64: dts: amlogic: Make mmc host controller interrupts level-sensitive

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hi,

On 1/26/23 23:03, Heiner Kallweit wrote:
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: 1499218c80c9 ("arm64: dts: move common G12A & G12B modes to meson-g12-common.dtsi")
Reported-by: Peter Suti <peter.suti@xxxxxxxxxxxxxxxxxxx>
Tested-by: Peter Suti <peter.suti@xxxxxxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>

this fixes wifi issue on Radxa Zero/Zero2. thank you so much!

Tested-by: FUKAUMI Naoki <naoki@xxxxxxxxx>

--
FUKAUMI Naoki

---
v2:
- apply the fix also to meson-axg
- apply the fix to all host controller instances
---
  arch/arm64/boot/dts/amlogic/meson-axg.dtsi        | 4 ++--
  arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 6 +++---
  arch/arm64/boot/dts/amlogic/meson-gx.dtsi         | 6 +++---
  3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index ed895fb32..a6a3095de 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: mmc@5000 {
  				compatible = "amlogic,meson-axg-mmc";
  				reg = <0x0 0x5000 0x0 0x800>;
-				interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>;
  				status = "disabled";
  				clocks = <&clkc CLKID_SD_EMMC_B>,
  					<&clkc CLKID_SD_EMMC_B_CLK0>,
@@ -1898,7 +1898,7 @@ sd_emmc_b: mmc@5000 {
  			sd_emmc_c: mmc@7000 {
  				compatible = "amlogic,meson-axg-mmc";
  				reg = <0x0 0x7000 0x0 0x800>;
-				interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>;
  				status = "disabled";
  				clocks = <&clkc CLKID_SD_EMMC_C>,
  					<&clkc CLKID_SD_EMMC_C_CLK0>,
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 6d7272b2c..13fdaba21 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2324,7 +2324,7 @@ uart_A: serial@24000 {
  		sd_emmc_a: mmc@ffe03000 {
  			compatible = "amlogic,meson-axg-mmc";
  			reg = <0x0 0xffe03000 0x0 0x800>;
-			interrupts = <GIC_SPI 189 IRQ_TYPE_EDGE_RISING>;
+			interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>;
  			status = "disabled";
  			clocks = <&clkc CLKID_SD_EMMC_A>,
  				 <&clkc CLKID_SD_EMMC_A_CLK0>,
@@ -2336,7 +2336,7 @@ sd_emmc_a: mmc@ffe03000 {
  		sd_emmc_b: mmc@ffe05000 {
  			compatible = "amlogic,meson-axg-mmc";
  			reg = <0x0 0xffe05000 0x0 0x800>;
-			interrupts = <GIC_SPI 190 IRQ_TYPE_EDGE_RISING>;
+			interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>;
  			status = "disabled";
  			clocks = <&clkc CLKID_SD_EMMC_B>,
  				 <&clkc CLKID_SD_EMMC_B_CLK0>,
@@ -2348,7 +2348,7 @@ sd_emmc_b: mmc@ffe05000 {
  		sd_emmc_c: mmc@ffe07000 {
  			compatible = "amlogic,meson-axg-mmc";
  			reg = <0x0 0xffe07000 0x0 0x800>;
-			interrupts = <GIC_SPI 191 IRQ_TYPE_EDGE_RISING>;
+			interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>;
  			status = "disabled";
  			clocks = <&clkc CLKID_SD_EMMC_C>,
  				 <&clkc CLKID_SD_EMMC_C_CLK0>,
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index e3c12e0be..5eed15035 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -603,21 +603,21 @@ apb: apb@d0000000 {
  			sd_emmc_a: mmc@70000 {
  				compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
  				reg = <0x0 0x70000 0x0 0x800>;
-				interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH>;
  				status = "disabled";
  			};
sd_emmc_b: mmc@72000 {
  				compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
  				reg = <0x0 0x72000 0x0 0x800>;
-				interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>;
  				status = "disabled";
  			};
sd_emmc_c: mmc@74000 {
  				compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
  				reg = <0x0 0x74000 0x0 0x800>;
-				interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>;
  				status = "disabled";
  			};
  		};



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