Thread (1 message) 1 message, 1 author, 2019-11-10

[PATCH AUTOSEL 4.19 141/191] ARM: tegra: colibri_t30: fix mcp2515 can controller interrupt polarity

STALE2520d

From: Sasha Levin <sashal@kernel.org>
Date: 2019-11-10 02:44:44
Also in: linux-tegra, lkml, stable
Subsystem: the rest · Maintainer: Linus Torvalds

From: Marcel Ziswiler <redacted>

[ Upstream commit 503fcd8464fb6cd18073e97dec59b933930655d6 ]

Fix the MCP2515 SPI CAN controller interrupt polarity which according
to its datasheet defaults to low-active aka falling edge.

Signed-off-by: Marcel Ziswiler <redacted>
Signed-off-by: Thierry Reding <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/tegra30-colibri-eval-v3.dts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
index 16e1f387aa6db..a0c550e26738f 100644
--- a/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
+++ b/arch/arm/boot/dts/tegra30-colibri-eval-v3.dts
@@ -79,7 +79,8 @@
 			reg = <0>;
 			clocks = <&clk16m>;
 			interrupt-parent = <&gpio>;
-			interrupts = <TEGRA_GPIO(S, 0) IRQ_TYPE_EDGE_RISING>;
+			/* CAN_INT */
+			interrupts = <TEGRA_GPIO(S, 0) IRQ_TYPE_EDGE_FALLING>;
 			spi-max-frequency = <10000000>;
 		};
 		spidev0: spi@1 {
-- 
2.20.1
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