On 21:51-20210524, Denys Dmytriyenko wrote: > On Mon, May 24, 2021 at 05:40:36PM -0500, Yogesh Siraswar via > lists.yoctoproject.org wrote: > > Added KERNEL_DTB_OVERLAY_SUPPORT to individual MACHINE conf to > > compile dtbs with symbols. This fixes the issue where the dtbs > > are build without symbols causing issue with overlays. > > > > Enabling overlay support increases the size of the dtb, hence > > it is done at a platform level rather than globally to allow custom > > boards disable it from local.conf to reduce size. > >
^^ > > Signed-off-by: Yogesh Siraswar <[email protected]> > > --- > > conf/machine/am335x-evm.conf | 2 ++ > > conf/machine/am335x-hs-evm.conf | 2 ++ > > conf/machine/am437x-evm.conf | 2 ++ > > conf/machine/am437x-hs-evm.conf | 2 ++ > > conf/machine/am57xx-evm.conf | 2 ++ > > conf/machine/am57xx-hs-evm.conf | 3 +++ > > conf/machine/am65xx-evm.conf | 2 ++ > > conf/machine/am65xx-hs-evm.conf | 2 ++ > > conf/machine/dra7xx-evm.conf | 2 ++ > > conf/machine/dra7xx-hs-evm.conf | 3 +++ > > conf/machine/j7-evm.conf | 2 ++ > > conf/machine/j7-hs-evm.conf | 2 ++ > > conf/machine/j7200-evm.conf | 2 ++ > > conf/machine/k2g-evm.conf | 2 ++ > > conf/machine/k2g-hs-evm.conf | 2 ++ > > First question: > If you are weakly assigning KERNEL_DTB_OVERLAY_SUPPORT in most of the machine > configs, should it instead be done in SoC include files, like ti33x.inc, > k3.inc or even ti-soc.inc? You would want the default behavior as default dtb, not the bloated symbol loaded overlay capable dtb, no? [...] > > + > > +def get_extra_dtc_args(d): > > + if d.getVar('KERNEL_DTB_OVERLAY_SUPPORT') == "1": > > + return "DTC_FLAGS=-@" > > + else: > > + return "" > > + > > +EXTRA_DTC_ARGS += "${@get_extra_dtc_args(d)}" > > Second question: > Are there any specific future plans for EXTRA_DTC_ARGS? As it seems to be > an unused intermediary variable right now - you can directly append to > KERNEL_EXTRA_ARGS here... dtc changes are always incoming, does'nt make sense to keep that separated out? -- Regards, Nishanth Menon Key (0xDDB5849D1736249D)/Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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