[Buildroot] [git commit branch/next] linux: allow both in-tree and custom dts files

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "Yann" == Yann E MORIN <yann.morin.1998@free.fr> writes:

 > Simon, All,
 > On 2018-02-25 17:19 +0100, Arnout Vandecappelle spake thusly:
 >> commit: https://git.buildroot.net/buildroot/commit/?id=382fe9f9261812682eab2d35e47aa94dc554380e
 >> branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/next
 >> 
 >> For some boards, for example the Raspberry Pi, it's necessary to build
 >> in-tree dts files as well as custom/out of tree dts-files (dt-blob.bin).
 >> The existing logic made these two options exclusive, this commit changes
 >> that to allow both in-tree as well as custom sources for dts files.

 > This breaks all our cufrrent defconfig files that build a DTB, like
 > for example configs/stm32f429_disco_defconfig, because the default
 > that was implied by a choice is no longer true, so we need to add
 > BR2_LINUX_KERNEL_USE_INTREE_DTS=y to those defconfig files.

That still doesn't fix it for any external defconfig. Adding a 'default
y' to BR2_LINUX_KERNEL_USE_INTREE_DTS will likewise break it for users
of BR2_LINUX_KERNEL_USE_CUSTOM_DTS. Perhaps we can change the logic to
look for nonempty BR2_LINUX_KERNEL_INTREE_DTS_NAME /
BR2_LINUX_KERNEL_CUSTOM_DTS_PATH variables?

-- 
Bye, Peter Korsgaard