[OpenWrt-Devel] [PATCH 3/4] ipq40xx: fix high resolution timer

Павел be.dissent at gmail.com
Wed May 15 10:30:09 PDT 2019


ср, 15 мая 2019 г., 18:59 Petr Štetiar <ynezz at true.cz>:

> Pavel Kubelun <be.dissent at gmail.com> [2019-05-14 16:42:19]:
>
> > 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..0fc50ec533
> > --- /dev/null
> > +++
> b/target/linux/ipq40xx/patches-4.14/090-ipq40xx-fix-high-resolution-timer.patch
> > @@ -0,0 +1,30 @@
> > +From 09f145f417a5d64d6b8d4476699dfb0eccc6c784 Mon Sep 17 00:00:00 2001
> > +From: Pavel Kubelun <be.dissent at gmail.com>
> > +Date: Tue, 7 May 2019 10:14:05 +0300
> > +Subject: [PATCH] ipq40xx: fix high resolution timer
> > +
> > +Cherry-picked from CAF QSDK repo.
>
> You should preserve the authorship of the changes if you do so. It looks
> now,
> like you're author of this work.
>

Sure, will fix this.


> > +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.
>
> Shouldn't this go through upstream as well?
>

It should, but I'm not the author.


> > +     soc {
> > diff --git
> a/target/linux/ipq40xx/patches-4.14/701-dts-ipq4019-add-mdio-node.patch
> b/target/linux/ipq40xx/patches-4.14/701-dts-ipq4019-add-mdio-node.patch
> > index 0e1bb87368..b7e241058c 100644
> > ---
> a/target/linux/ipq40xx/patches-4.14/701-dts-ipq4019-add-mdio-node.patch
> > +++
> b/target/linux/ipq40xx/patches-4.14/701-dts-ipq4019-add-mdio-node.patch
> > @@ -15,7 +15,7 @@ so the info might change.
> >
> >  --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
> >  +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> > -@@ -566,6 +566,34 @@
> > +@@ -567,6 +567,34 @@
> >                       status = "disabled";
> >               };
>
> Probably some leftover?
>

It's a refresh of existing patches, because they are applied to the same
file.


> > diff --git
> a/target/linux/ipq40xx/patches-4.14/702-dts-ipq4019-add-PHY-switch-nodes.patch
> b/target/linux/ipq40xx/patches-4.14/702-dts-ipq4019-add-PHY-switch-nodes.patch
> > index 03da6c863a..cc56a60ea3 100644
> > ---
> a/target/linux/ipq40xx/patches-4.14/702-dts-ipq4019-add-PHY-switch-nodes.patch
> > +++
> b/target/linux/ipq40xx/patches-4.14/702-dts-ipq4019-add-PHY-switch-nodes.patch
> > @@ -14,7 +14,7 @@ Signed-off-by: Christian Lamparter <chunkeey at gmail.com
> >
> >
> >  --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
> >  +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> > -@@ -594,6 +594,29 @@
> > +@@ -595,6 +595,29 @@
> >                       };
> >               };
>
> Ditto.
>
> > diff --git
> a/target/linux/ipq40xx/patches-4.14/711-dts-ipq4019-add-ethernet-essedma-node.patch
> b/target/linux/ipq40xx/patches-4.14/711-dts-ipq4019-add-ethernet-essedma-node.patch
> > index 7302d237bc..80b16a8211 100644
> > ---
> a/target/linux/ipq40xx/patches-4.14/711-dts-ipq4019-add-ethernet-essedma-node.patch
> > +++
> b/target/linux/ipq40xx/patches-4.14/711-dts-ipq4019-add-ethernet-essedma-node.patch
> > @@ -25,7 +25,7 @@ Signed-off-by: Christian Lamparter <chunkeey at gmail.com
> >
> >       };
> >
> >       cpus {
> > -@@ -617,6 +619,64 @@
> > +@@ -618,6 +620,64 @@
> >                       status = "disabled";
> >               };
>
> Ditto.
>
> > diff --git
> a/target/linux/ipq40xx/patches-4.19/086-ipq40xx-fix-high-resolution-timer.patch
> b/target/linux/ipq40xx/patches-4.19/086-ipq40xx-fix-high-resolution-timer.patch
> > new file mode 100644
> > index 0000000000..9d277fa8e0
> > --- /dev/null
> > +++
> b/target/linux/ipq40xx/patches-4.19/086-ipq40xx-fix-high-resolution-timer.patch
> > @@ -0,0 +1,30 @@
> > +From 09f145f417a5d64d6b8d4476699dfb0eccc6c784 Mon Sep 17 00:00:00 2001
> > +From: Pavel Kubelun <be.dissent at gmail.com>
> > +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.
>
> Same as above.
>
> > diff --git
> a/target/linux/ipq40xx/patches-4.19/701-dts-ipq4019-add-mdio-node.patch
> b/target/linux/ipq40xx/patches-4.19/701-dts-ipq4019-add-mdio-node.patch
> > index e5936a0c93..0298644d22 100644
> > ---
> a/target/linux/ipq40xx/patches-4.19/701-dts-ipq4019-add-mdio-node.patch
> > +++
> b/target/linux/ipq40xx/patches-4.19/701-dts-ipq4019-add-mdio-node.patch
> > @@ -15,7 +15,7 @@ so the info might change.
> >
> >  --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
> >  +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> > -@@ -570,6 +570,34 @@
> > +@@ -571,6 +571,34 @@
> >                       status = "disabled";
> >               };
>
> Ditto.
>
> > diff --git
> a/target/linux/ipq40xx/patches-4.19/702-dts-ipq4019-add-PHY-switch-nodes.patch
> b/target/linux/ipq40xx/patches-4.19/702-dts-ipq4019-add-PHY-switch-nodes.patch
> > index 7c5d1ec2bb..df95699294 100644
> > ---
> a/target/linux/ipq40xx/patches-4.19/702-dts-ipq4019-add-PHY-switch-nodes.patch
> > +++
> b/target/linux/ipq40xx/patches-4.19/702-dts-ipq4019-add-PHY-switch-nodes.patch
> > @@ -14,7 +14,7 @@ Signed-off-by: Christian Lamparter <chunkeey at gmail.com
> >
> >
> >  --- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
> >  +++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
> > -@@ -598,6 +598,29 @@
> > +@@ -599,6 +599,29 @@
> >                       };
> >               };
>
> Ditto.
>
> > diff --git
> a/target/linux/ipq40xx/patches-4.19/711-dts-ipq4019-add-ethernet-essedma-node.patch
> b/target/linux/ipq40xx/patches-4.19/711-dts-ipq4019-add-ethernet-essedma-node.patch
> > index 51cf411143..8f7627b048 100644
> > ---
> a/target/linux/ipq40xx/patches-4.19/711-dts-ipq4019-add-ethernet-essedma-node.patch
> > +++
> b/target/linux/ipq40xx/patches-4.19/711-dts-ipq4019-add-ethernet-essedma-node.patch
> > @@ -25,7 +25,7 @@ Signed-off-by: Christian Lamparter <chunkeey at gmail.com
> >
> >       };
> >
> >       cpus {
> > -@@ -621,6 +623,64 @@
> > +@@ -622,6 +624,64 @@
> >                       status = "disabled";
> >               };
>
> Ditto.
>
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