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Date: Mon, 7 Oct 2019 19:09:27 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: "kernelci.org bot" <bot@...nelci.org>
Cc: Marek Szyprowski <m.szyprowski@...sung.com>,
tomeu.vizoso@...labora.com, guillaume.tucker@...labora.com,
mgalka@...labora.com, Chanwoo Choi <cw00.choi@...sung.com>,
broonie@...nel.org, matthew.hart@...aro.org, khilman@...libre.com,
enric.balletbo@...labora.com,
Kamil Konieczny <k.konieczny@...tner.samsung.com>,
devicetree@...r.kernel.org, Kukjin Kim <kgene@...nel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-samsung-soc@...r.kernel.org"
<linux-samsung-soc@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
linux-arm-kernel@...ts.infradead.org
Subject: Re: krzysztof/for-next boot bisection: v5.4-rc1-48-g0bc9c79979ea on peach-pi
On Mon, 7 Oct 2019 at 02:43, kernelci.org bot <bot@...nelci.org> wrote:
>
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
> * This automated bisection report was sent to you on the basis *
> * that you may be involved with the breaking commit it has *
> * found. No manual investigation has been done to verify it, *
> * and the root cause of the problem may be somewhere else. *
> * *
> * If you do send a fix, please include this trailer: *
> * Reported-by: "kernelci.org bot" <bot@...nelci.org> *
> * *
> * Hope this helps! *
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
>
> krzysztof/for-next boot bisection: v5.4-rc1-48-g0bc9c79979ea on peach-pi
>
> Summary:
> Start: 0bc9c79979ea Merge branch 'for-v5.5/memory-samsung-dmc-dt' into for-next
> Details: https://kernelci.org/boot/id/5d9a50af59b5141ce5857c07
> Plain log: https://storage.kernelci.org//krzysztof/for-next/v5.4-rc1-48-g0bc9c79979ea/arm/multi_v7_defconfig/gcc-8/lab-collabora/boot-exynos5800-peach-pi.txt
> HTML log: https://storage.kernelci.org//krzysztof/for-next/v5.4-rc1-48-g0bc9c79979ea/arm/multi_v7_defconfig/gcc-8/lab-collabora/boot-exynos5800-peach-pi.html
> Result: 0899a480ac65 ARM: dts: exynos: Add initial data for coupled regulators for Exynos5422/5800
Thanks for the report. Marek Szyprowski reported it on last Friday. I
dropped the patch as of now as it exposes some deadlock in regulator
code.
Best regards,
Krzysztof
>
> Checks:
> revert: PASS
> verify: PASS
>
> Parameters:
> Tree: krzysztof
> URL: https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git
> Branch: for-next
> Target: peach-pi
> CPU arch: arm
> Lab: lab-collabora
> Compiler: gcc-8
> Config: multi_v7_defconfig
> Test suite: boot
>
> Breaking commit found:
>
> -------------------------------------------------------------------------------
> commit 0899a480ac658144b1fa351bb880c2858d43f824
> Author: Marek Szyprowski <m.szyprowski@...sung.com>
> Date: Thu Oct 3 12:08:14 2019 +0200
>
> ARM: dts: exynos: Add initial data for coupled regulators for Exynos5422/5800
>
> Declare Exynos5422/5800 voltage ranges for opp points for big cpu core and
> bus wcore and couple their voltage supllies as vdd_arm and vdd_int should
> be in 300mV range.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> [k.konieczny: add missing patch description]
> Signed-off-by: Kamil Konieczny <k.konieczny@...tner.samsung.com>
> Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
>
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 2c131ad78c09..d08101b1018c 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -48,62 +48,62 @@
>
> opp-1800000000 {
> opp-hz = /bits/ 64 <1800000000>;
> - opp-microvolt = <1250000>;
> + opp-microvolt = <1250000 1250000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1700000000 {
> opp-hz = /bits/ 64 <1700000000>;
> - opp-microvolt = <1212500>;
> + opp-microvolt = <1212500 1212500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1600000000 {
> opp-hz = /bits/ 64 <1600000000>;
> - opp-microvolt = <1175000>;
> + opp-microvolt = <1175000 1175000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1500000000 {
> opp-hz = /bits/ 64 <1500000000>;
> - opp-microvolt = <1137500>;
> + opp-microvolt = <1137500 1137500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1400000000 {
> opp-hz = /bits/ 64 <1400000000>;
> - opp-microvolt = <1112500>;
> + opp-microvolt = <1112500 1112500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1300000000 {
> opp-hz = /bits/ 64 <1300000000>;
> - opp-microvolt = <1062500>;
> + opp-microvolt = <1062500 1062500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1200000000 {
> opp-hz = /bits/ 64 <1200000000>;
> - opp-microvolt = <1037500>;
> + opp-microvolt = <1037500 1037500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1100000000 {
> opp-hz = /bits/ 64 <1100000000>;
> - opp-microvolt = <1012500>;
> + opp-microvolt = <1012500 1012500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1000000000 {
> opp-hz = /bits/ 64 <1000000000>;
> - opp-microvolt = < 987500>;
> + opp-microvolt = < 987500 987500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-900000000 {
> opp-hz = /bits/ 64 <900000000>;
> - opp-microvolt = < 962500>;
> + opp-microvolt = < 962500 962500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-800000000 {
> opp-hz = /bits/ 64 <800000000>;
> - opp-microvolt = < 937500>;
> + opp-microvolt = < 937500 937500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-700000000 {
> opp-hz = /bits/ 64 <700000000>;
> - opp-microvolt = < 912500>;
> + opp-microvolt = < 912500 912500 1500000>;
> clock-latency-ns = <140000>;
> };
> };
> @@ -1097,23 +1097,23 @@
>
> opp00 {
> opp-hz = /bits/ 64 <84000000>;
> - opp-microvolt = <925000>;
> + opp-microvolt = <925000 925000 1400000>;
> };
> opp01 {
> opp-hz = /bits/ 64 <111000000>;
> - opp-microvolt = <950000>;
> + opp-microvolt = <950000 950000 1400000>;
> };
> opp02 {
> opp-hz = /bits/ 64 <222000000>;
> - opp-microvolt = <950000>;
> + opp-microvolt = <950000 950000 1400000>;
> };
> opp03 {
> opp-hz = /bits/ 64 <333000000>;
> - opp-microvolt = <950000>;
> + opp-microvolt = <950000 950000 1400000>;
> };
> opp04 {
> opp-hz = /bits/ 64 <400000000>;
> - opp-microvolt = <987500>;
> + opp-microvolt = <987500 987500 1400000>;
> };
> };
>
> diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> index 829147e320e0..9b8de61b0385 100644
> --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> @@ -524,6 +524,8 @@
> regulator-max-microvolt = <1400000>;
> regulator-always-on;
> regulator-boot-on;
> + regulator-coupled-with = <&buck2_reg>;
> + regulator-coupled-max-spread = <300000>;
>
> regulator-state-mem {
> regulator-off-in-suspend;
> @@ -544,6 +546,8 @@
> regulator-max-microvolt = <1500000>;
> regulator-always-on;
> regulator-boot-on;
> + regulator-coupled-with = <&buck3_reg>;
> + regulator-coupled-max-spread = <300000>;
>
> regulator-state-mem {
> regulator-off-in-suspend;
> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> index 60ca3d685247..c1e38139ce4f 100644
> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> @@ -257,6 +257,8 @@
> regulator-always-on;
> regulator-boot-on;
> regulator-ramp-delay = <12500>;
> + regulator-coupled-with = <&buck3_reg>;
> + regulator-coupled-max-spread = <300000>;
> regulator-state-mem {
> regulator-off-in-suspend;
> };
> @@ -269,6 +271,8 @@
> regulator-always-on;
> regulator-boot-on;
> regulator-ramp-delay = <12500>;
> + regulator-coupled-with = <&buck2_reg>;
> + regulator-coupled-max-spread = <300000>;
> regulator-state-mem {
> regulator-off-in-suspend;
> };
> diff --git a/arch/arm/boot/dts/exynos5800.dtsi b/arch/arm/boot/dts/exynos5800.dtsi
> index de639eecc5c9..27789f5f9798 100644
> --- a/arch/arm/boot/dts/exynos5800.dtsi
> +++ b/arch/arm/boot/dts/exynos5800.dtsi
> @@ -22,61 +22,61 @@
>
> &cluster_a15_opp_table {
> opp-1700000000 {
> - opp-microvolt = <1250000>;
> + opp-microvolt = <1250000 1250000 1500000>;
> };
> opp-1600000000 {
> - opp-microvolt = <1250000>;
> + opp-microvolt = <1250000 1250000 1500000>;
> };
> opp-1500000000 {
> - opp-microvolt = <1100000>;
> + opp-microvolt = <1100000 1100000 1500000>;
> };
> opp-1400000000 {
> - opp-microvolt = <1100000>;
> + opp-microvolt = <1100000 1100000 1500000>;
> };
> opp-1300000000 {
> - opp-microvolt = <1100000>;
> + opp-microvolt = <1100000 1100000 1500000>;
> };
> opp-1200000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-1100000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-1000000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-900000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-800000000 {
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> };
> opp-700000000 {
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> };
> opp-600000000 {
> opp-hz = /bits/ 64 <600000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-500000000 {
> opp-hz = /bits/ 64 <500000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-400000000 {
> opp-hz = /bits/ 64 <400000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-300000000 {
> opp-hz = /bits/ 64 <300000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-200000000 {
> opp-hz = /bits/ 64 <200000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> };
> -------------------------------------------------------------------------------
>
>
> Git bisection log:
>
> -------------------------------------------------------------------------------
> git bisect start
> # good: [2924a93b4c2b1934c0ec59d28f46814a83259f11] Merge branch 'for-v5.5/memory-samsung-dmc-dt' into for-next
> git bisect good 2924a93b4c2b1934c0ec59d28f46814a83259f11
> # bad: [0bc9c79979ea0b607a0751968840483fd296f6ef] Merge branch 'for-v5.5/memory-samsung-dmc-dt' into for-next
> git bisect bad 0bc9c79979ea0b607a0751968840483fd296f6ef
> # bad: [0899a480ac658144b1fa351bb880c2858d43f824] ARM: dts: exynos: Add initial data for coupled regulators for Exynos5422/5800
> git bisect bad 0899a480ac658144b1fa351bb880c2858d43f824
> # good: [56c126e87e2980d5e2ca5d77b28899f8521af9d7] ARM: dts: exynos: Rename SysRAM node to "sram"
> git bisect good 56c126e87e2980d5e2ca5d77b28899f8521af9d7
> # first bad commit: [0899a480ac658144b1fa351bb880c2858d43f824] ARM: dts: exynos: Add initial data for coupled regulators for Exynos5422/5800
> -------------------------------------------------------------------------------
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