linux-kernel - Re: [PATCH V6 5/6] of: unittest: Create overlay_common.dtsi and testcases

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Date:   Wed, 27 Jan 2021 11:26:52 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Frank Rowand <frowand.list@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Masahiro Yamada <masahiroy@...nel.org>
Cc:     Vincent Guittot <vincent.guittot@...aro.org>,
        linux-kernel@...r.kernel.org, anmar.oueja@...aro.org,
        Bill Mills <bill.mills@...aro.org>,
        David Gibson <david@...son.dropbear.id.au>,
        devicetree@...r.kernel.org, Michal Marek <michal.lkml@...kovi.net>
Subject: Re: [PATCH V6 5/6] of: unittest: Create overlay_common.dtsi and
 testcases_common.dtsi

On 22-01-21, 16:20, Viresh Kumar wrote:
> In order to build-test the same unit-test files using fdtoverlay tool,
> move the device nodes from the existing overlay_base.dts and
> testcases_common.dts files to .dtsi files. The .dts files now include
> the new .dtsi files, resulting in exactly the same behavior as earlier.
> 
> The .dtsi files can now be reused for compile time tests using
> fdtoverlay (will be done in a later patch).
> 
> This is required because the base files passed to fdtoverlay tool
> shouldn't be overlays themselves (i.e. shouldn't have the /plugin/;
> tag).
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
>  drivers/of/unittest-data/overlay_base.dts     | 90 +-----------------
>  drivers/of/unittest-data/overlay_common.dtsi  | 91 +++++++++++++++++++
>  drivers/of/unittest-data/testcases.dts        | 17 +---
>  .../of/unittest-data/testcases_common.dtsi    | 18 ++++
>  4 files changed, 111 insertions(+), 105 deletions(-)
>  create mode 100644 drivers/of/unittest-data/overlay_common.dtsi
>  create mode 100644 drivers/of/unittest-data/testcases_common.dtsi

Frank,

As I mentioned in the cover-letter, I get a build warning right now:

drivers/of/unittest-data/tests-interrupts.dtsi:20.5-28: Warning (interrupts_property): /testcase-data/testcase-device2:#interrupt-cells: size is (4), expected multiple of 8

I think I need to add below diff to this patch to fix this warning, will that
be okay ?

diff --git a/drivers/of/unittest-data/testcases.dts b/drivers/of/unittest-data/testcases.dts
index 185125085784..04b9e7bb30d9 100644
--- a/drivers/of/unittest-data/testcases.dts
+++ b/drivers/of/unittest-data/testcases.dts
@@ -3,3 +3,14 @@
 /plugin/;
 
 #include "testcases_common.dtsi"
+
+/ {
+       testcase-data {
+               testcase-device2 {
+                       compatible = "testcase-device";
+                       interrupt-parent = <&test_intc2>;
+                       interrupts = <1>; /* invalid specifier - too short */
+               };
+       };
+
+};
diff --git a/drivers/of/unittest-data/tests-interrupts.dtsi b/drivers/of/unittest-data/tests-interrupts.dtsi
index ec175e800725..0e5914611107 100644
--- a/drivers/of/unittest-data/tests-interrupts.dtsi
+++ b/drivers/of/unittest-data/tests-interrupts.dtsi
@@ -61,12 +61,5 @@ testcase-device1 {
                        interrupt-parent = <&test_intc0>;
                        interrupts = <1>;
                };
-
-               testcase-device2 {
-                       compatible = "testcase-device";
-                       interrupt-parent = <&test_intc2>;
-                       interrupts = <1>; /* invalid specifier - too short */
-               };
        };
-
 };

-- 
viresh