linux-kernel - [PATCH] arm64: dts: qcom: sc7180: Make MSA memory fixed for wifi

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Message-ID: <0101016ed035d185-20f04863-0f38-41b7-b88d-76bc36e4dcf9-000000@us-west-2.amazonses.com>
Date:   Wed, 4 Dec 2019 09:20:18 +0000
From:   Rakesh Pillai <pillair@...eaurora.org>
To:     devicetree@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Rakesh Pillai <pillair@...eaurora.org>
Subject: [PATCH] arm64: dts: qcom: sc7180: Make MSA memory fixed for wifi

The MSA memory is at a fixed offset, which will be
a part of reserved memory. Add this flag to indicate
that wifi in sc7180 will use a fixed memory for MSA.

Signed-off-by: Rakesh Pillai <pillair@...eaurora.org>
---
This patchet is dependent on the below changes
arm64: dts: qcom: sc7180: Add WCN3990 WLAN module device node (https://lore.kernel.org/patchwork/patch/1162434/)
dt: bindings: add dt entry flag to skip SCM call for msa region (https://patchwork.ozlabs.org/patch/1192725/)
---
 arch/arm64/boot/dts/qcom/sc7180-idp.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
index 8a6a760..b2ca143f 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
@@ -250,6 +250,7 @@
 
 &wifi {
 	status = "okay";
+	qcom,msa_fixed_perm;
 };
 
 /* PINCTRL - additions to nodes defined in sc7180.dtsi */
-- 
2.7.4