linux-kernel - [PATCH 2/3] arm64: dts: ls1043a: mark crypto engine dma coherent

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Date:   Sun,  7 Mar 2021 22:47:36 +0200
From:   Horia Geantă <horia.geanta@....com>
To:     Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Greg Ungerer <gerg@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Robin Murphy <robin.murphy@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] arm64: dts: ls1043a: mark crypto engine dma coherent

Crypto engine (CAAM) on LS1043A platform is configured HW-coherent,
mark accordingly the DT node.

Lack of "dma-coherent" property for an IP that is configured HW-coherent
can lead to problems, similar to what has been reported for LS1046A.

Cc: <stable@...r.kernel.org> # v4.8+
Fixes: 63dac35b58f4 ("arm64: dts: ls1043a: add crypto node")
Link: https://lore.kernel.org/linux-crypto/fe6faa24-d8f7-d18f-adfa-44fa0caa1598@arm.com
Signed-off-by: Horia Geantă <horia.geanta@....com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index 5a8a1dc4262d..28c51e521cb2 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -348,6 +348,7 @@
 			ranges = <0x0 0x00 0x1700000 0x100000>;
 			reg = <0x00 0x1700000 0x0 0x100000>;
 			interrupts = <0 75 0x4>;
+			dma-coherent;
 
 			sec_jr0: jr@...00 {
 				compatible = "fsl,sec-v5.4-job-ring",
-- 
2.17.1