ipq40xx: fix high resolution timer
Cherry-picked from CAF QSDK repo. see 090-ipq40xx-fix-high-resolution-timer.patch Original commit message: The kernel is failing in switching the timer for high resolution mode and clock source operates in 10ms resolution. The always-on property needs to be given for timer device tree node to make clock source working in 1ns resolution. Signed-off-by: Pavel Kubelun <be.dissent@gmail.com> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> [changed authorship of main patch to pavel and cherry-picked patch to Abhishek Sahu]
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@ -0,0 +1,29 @@
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From 09f145f417a5d64d6b8d4476699dfb0eccc6c784 Mon Sep 17 00:00:00 2001
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From: Abhishek Sahu <absahu@codeaurora.org>
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Date: Tue, 7 May 2019 10:14:05 +0300
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Subject: [PATCH] ipq40xx: fix high resolution timer
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Cherry-picked from CAF QSDK repo.
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Original commit message:
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The kernel is failing in switching the timer for high resolution
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mode and clock source operates in 10ms resolution. The always-on
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property needs to be given for timer device tree node to make
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clock source working in 1ns resolution.
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Change-Id: I7c00b3c74d97c2a30ac9f05e18b511a0550fd459
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Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
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Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
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---
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arch/arm/boot/dts/qcom-ipq4019.dtsi | 1 +
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1 file changed, 1 insertion(+)
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--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
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+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
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@@ -167,6 +167,7 @@
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<1 4 0xf08>,
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<1 1 0xf08>;
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clock-frequency = <48000000>;
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+ always-on;
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};
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soc {
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@ -15,7 +15,7 @@ so the info might change.
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--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
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+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
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@@ -566,6 +566,34 @@
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@@ -567,6 +567,34 @@
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status = "disabled";
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};
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@ -14,7 +14,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
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+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
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@@ -594,6 +594,29 @@
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@@ -595,6 +595,29 @@
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};
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};
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@ -25,7 +25,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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};
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cpus {
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@@ -617,6 +619,64 @@
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@@ -618,6 +620,64 @@
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status = "disabled";
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};
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@ -0,0 +1,29 @@
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From 09f145f417a5d64d6b8d4476699dfb0eccc6c784 Mon Sep 17 00:00:00 2001
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From: Abhishek Sahu <absahu@codeaurora.org>
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Date: Tue, 7 May 2019 10:14:05 +0300
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Subject: [PATCH] ipq40xx: fix high resolution timer
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Cherry-picked from CAF QSDK repo.
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Original commit message:
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The kernel is failing in switching the timer for high resolution
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mode and clock source operates in 10ms resolution. The always-on
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property needs to be given for timer device tree node to make
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clock source working in 1ns resolution.
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Change-Id: I7c00b3c74d97c2a30ac9f05e18b511a0550fd459
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Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
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Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
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---
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arch/arm/boot/dts/qcom-ipq4019.dtsi | 1 +
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1 file changed, 1 insertion(+)
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--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
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+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
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@@ -171,6 +171,7 @@
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<1 4 0xf08>,
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<1 1 0xf08>;
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clock-frequency = <48000000>;
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+ always-on;
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};
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soc {
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@ -15,7 +15,7 @@ so the info might change.
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--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
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+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
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@@ -570,6 +570,34 @@
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@@ -571,6 +571,34 @@
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status = "disabled";
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};
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@ -14,7 +14,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
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+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
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@@ -598,6 +598,29 @@
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@@ -599,6 +599,29 @@
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};
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};
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@ -25,7 +25,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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};
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cpus {
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@@ -621,6 +623,64 @@
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@@ -622,6 +624,64 @@
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status = "disabled";
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};
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