From e00e6fa90e65beaaa395070fe4d71b298fb01576 Mon Sep 17 00:00:00 2001 From: Pavel Kubelun Date: Tue, 14 May 2019 16:42:19 +0300 Subject: 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 Signed-off-by: Christian Lamparter [changed authorship of main patch to pavel and cherry-picked patch to Abhishek Sahu] --- .../090-ipq40xx-fix-high-resolution-timer.patch | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 target/linux/ipq40xx/patches-4.14/090-ipq40xx-fix-high-resolution-timer.patch (limited to 'target/linux/ipq40xx/patches-4.14/090-ipq40xx-fix-high-resolution-timer.patch') diff --git a/target/linux/ipq40xx/patches-4.14/090-ipq40xx-fix-high-resolution-timer.patch b/target/linux/ipq40xx/patches-4.14/090-ipq40xx-fix-high-resolution-timer.patch new file mode 100644 index 0000000000..796844d67f --- /dev/null +++ b/target/linux/ipq40xx/patches-4.14/090-ipq40xx-fix-high-resolution-timer.patch @@ -0,0 +1,29 @@ +From 09f145f417a5d64d6b8d4476699dfb0eccc6c784 Mon Sep 17 00:00:00 2001 +From: Abhishek Sahu +Date: Tue, 7 May 2019 10:14:05 +0300 +Subject: [PATCH] ipq40xx: fix high resolution timer + +Cherry-picked from CAF QSDK repo. +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. + +Change-Id: I7c00b3c74d97c2a30ac9f05e18b511a0550fd459 +Signed-off-by: Abhishek Sahu +Signed-off-by: Pavel Kubelun +--- + arch/arm/boot/dts/qcom-ipq4019.dtsi | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi ++++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi +@@ -167,6 +167,7 @@ + <1 4 0xf08>, + <1 1 0xf08>; + clock-frequency = <48000000>; ++ always-on; + }; + + soc { -- cgit v1.2.3