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linux-raspberrypi: pass dtc flags via KERNEL_DTC_FLAGS

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Currently, the do_compile log is cluttered with dtc warnings that should only
be printed when compiling with W="123":
...
/soc: node has a reg or ranges property, but no unit name
/soc/gpu: missing or empty reg/ranges property
/soc/firmware/gpio: missing or empty reg/ranges property
...

This happens because we pass dtc flags via KERNEL_EXTRA_ARGS directly on the
make command line, preventing scripts/Makefile.lib logic from appending flags
that silence dtc warnings (all assignments done from within a makefile, to a
variable specified on the command line, are ignored).

oe-core commit [1] introduced the dedicated KERNEL_DTC_FLAGS variable to pass
dtc flags via the environment. Use this variable to get rid of the do_compile
log noise.

The md5sums of the generated dtbs for raspberrypi3-64 and raspberrypi4-64 do
not change with this patch applied.

[1] https://github.com/openembedded/openembedded-core/commit/063b5de86624

Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
This commit is contained in:
Ovidiu Panait 2021-01-25 17:21:04 +02:00 committed by Andrei Gherzan
parent 56ab926557
commit f24de44790
2 changed files with 2 additions and 2 deletions
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2
recipes-kernel/linux/linux-raspberrypi-dev.bb
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@ -24,7 +24,7 @@ require linux-raspberrypi.inc
LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
KERNEL_EXTRA_ARGS += "DTC_FLAGS='-@ -H epapr'"
KERNEL_DTC_FLAGS += "-@ -H epapr"
# Disable version check so that we don't have to edit this recipe every time
# upstream bumps the version

2
recipes-kernel/linux/linux-raspberrypi_5.4.bb
View File

@ -19,4 +19,4 @@ require linux-raspberrypi.inc
LIC_FILES_CHKSUM = "file://COPYING;md5=bbea815ee2795b2f4230826c0c6b8814"
KERNEL_EXTRA_ARGS += "DTC_FLAGS='-@ -H epapr'"
KERNEL_DTC_FLAGS += "-@ -H epapr"