On 05.08.22 12:48, Pali Rohár wrote:
On Friday 05 August 2022 12:25:55 Stefan Roese wrote:
On 04.08.22 17:07, Pali Rohár wrote:
On Thursday 04 August 2022 16:51:47 Stefan Roese wrote:
On 03.08.22 13:00, Pali Rohár wrote:
For future changes it is needed for have spi0 device tree reference in
every mvebu soc dts file even when it is unused.

Signed-off-by: Pali Rohár <p...@kernel.org>
---
    arch/arm/dts/armada-7040.dtsi | 3 +++
    arch/arm/dts/armada-8040.dtsi | 3 +++
    arch/arm/dts/cn9130.dtsi      | 3 +++
    3 files changed, 9 insertions(+)

You're changing 64-bit Armada files here, but in the cover letter you
mention that this patchset only addresses 32-bit mvebu DT files. So
why are you making these changes here?

The main issue is that 64-bit Armada DTS files are compiled also during
32-bit Armada builds. And 32-bit Armada DTS files needs spi0 reference
because it is used in 32-bit Armada section in mvebu-u-boot.dtsi file.

I know it is broken build system if during compilation of 32-bit SoC are
compiled also unrelated 64-bit Armada DTS files in 32-bit mode. But I do
not see currently easier solution than just define "harmless" reference.

During 64-bit Armada builds is content of mvebu-u-boot.dtsi skipped as
there is a 32-bit guard.

Proper way, of course, would be to fix build system, so none 64-bit file
is compiled (and let unused) during 32-bit build.

I see. Thanks for the explanation.

I played a bit with build system and have there alternative patch
instead of patch 1/5 which "fixes" makefile build system.

Thanks Pali.

 From 78ebf95fdf4223ce62cc537a57739ba3adbf556f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <p...@kernel.org>
Date: Fri, 5 Aug 2022 12:45:19 +0200
Subject: [PATCH] arm: mvebu: dts: Build only arch-compatible dts files
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

64-bit Armada DTS files are not build correctly during compilation of
32-bit Armada boards and vice versa. So fix makefile build system to
compile only those dts files which are compatible for the current build
(64-bit Armada DTS files only for 64-bit builds and 32-bit Armada DTS files
only for 32-bit builds).

Signed-off-by: Pali Rohár <p...@kernel.org>
---
  arch/arm/dts/Makefile | 28 ++++++++++++++++------------
  1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ceaa39e4b4d6..7330121dbaba 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -232,12 +232,8 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
        tegra210-p2571.dtb \
        tegra210-p3450-0000.dtb
+ifdef CONFIG_ARMADA_32BIT
  dtb-$(CONFIG_ARCH_MVEBU) +=                   \
-       armada-3720-db.dtb                      \
-       armada-3720-espressobin.dtb             \
-       armada-3720-turris-mox.dtb              \
-       armada-3720-eDPU.dtb                    \
-       armada-3720-uDPU.dtb                    \
        armada-375-db.dtb                       \
        armada-385-atl-x530.dtb                 \
        armada-385-atl-x530DP.dtb               \
@@ -247,12 +243,6 @@ dtb-$(CONFIG_ARCH_MVEBU) +=                        \
        armada-388-gp.dtb                       \
        armada-388-helios4.dtb                  \
        armada-38x-controlcenterdc.dtb          \
-       armada-7040-db-nand.dtb                 \
-       armada-7040-db.dtb                      \
-       armada-8040-clearfog-gt-8k.dtb          \
-       armada-8040-db.dtb                      \
-       armada-8040-mcbin.dtb                   \
-       armada-8040-puzzle-m801.dtb             \
        armada-xp-crs305-1g-4s.dtb              \
        armada-xp-crs305-1g-4s-bit.dtb          \
        armada-xp-crs326-24g-2s.dtb             \
@@ -263,7 +253,20 @@ dtb-$(CONFIG_ARCH_MVEBU) +=                        \
        armada-xp-gp.dtb                        \
        armada-xp-maxbcm.dtb                    \
        armada-xp-synology-ds414.dtb            \
-       armada-xp-theadorable.dtb               \
+       armada-xp-theadorable.dtb
+else
+dtb-$(CONFIG_ARCH_MVEBU) +=                    \
+       armada-3720-db.dtb                      \
+       armada-3720-espressobin.dtb             \
+       armada-3720-turris-mox.dtb              \
+       armada-3720-eDPU.dtb                    \
+       armada-3720-uDPU.dtb                    \
+       armada-7040-db-nand.dtb                 \
+       armada-7040-db.dtb                      \
+       armada-8040-clearfog-gt-8k.dtb          \
+       armada-8040-db.dtb                      \
+       armada-8040-mcbin.dtb                   \
+       armada-8040-puzzle-m801.dtb             \
        cn9130-db-A.dtb                         \
        cn9130-db-B.dtb                         \
        cn9131-db-A.dtb                         \
@@ -272,6 +275,7 @@ dtb-$(CONFIG_ARCH_MVEBU) +=                 \
        cn9132-db-B.dtb                         \
        cn9130-crb-A.dtb                        \
        cn9130-crb-B.dtb
+endif
dtb-$(CONFIG_ARCH_SYNQUACER) += synquacer-sc2a11-developerbox.dtb
  dtb-$(CONFIG_ARCH_UNIPHIER_LD11) += \

Looks good. Thanks. Could you please send this as a normal patch to the
list? I'll drop patch 1/5 from this series. Feel free to add my:

Reviewed-by: Stefan Roese <s...@denx.de>

Thanks,
Stefan

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