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SubjectRe: [PATCH v2] efi: arm: defer probe of PCIe backed efifb on DT systems
On Thu, 9 Jan 2020 at 03:23, Saravana Kannan <saravanak@google.com> wrote:
>
> On Wed, Dec 25, 2019 at 6:46 AM kbuild test robot <lkp@intel.com> wrote:
> >
> > Hi Saravana,
> >
> > I love your patch! Yet something to improve:
> >
> > [auto build test ERROR on efi/next]
> > [cannot apply to rockchip/for-next keystone/next arm64/for-next/core arm-soc/for-next shawnguo/for-next clk/clk-next arm/for-next linux-rpi/for-rpi-next at91/at91-next v5.5-rc3 next-20191220]
> > [if your patch is applied to the wrong git tree, please drop us a note to help
> > improve the system. BTW, we also suggest to use '--base' option to specify the
> > base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
> >
> > url: https://github.com/0day-ci/linux/commits/Saravana-Kannan/efi-arm-defer-probe-of-PCIe-backed-efifb-on-DT-systems/20191225-182253
> > base: https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next
> > config: arm64-alldefconfig (attached as .config)
> > compiler: aarch64-linux-gcc (GCC) 7.5.0
> > reproduce:
> > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> > chmod +x ~/bin/make.cross
> > # save the attached .config to linux build tree
> > GCC_VERSION=7.5.0 make.cross ARCH=arm64
> >
> > If you fix the issue, kindly add following tag
> > Reported-by: kbuild test robot <lkp@intel.com>
> >
> > All errors (new ones prefixed by >>):
> >
> > drivers/firmware/efi/arm-init.o: In function `efifb_add_links':
> > >> arm-init.c:(.text+0x64): undefined reference to `of_pci_range_parser_init'
> > arm-init.c:(.text+0x64): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `of_pci_range_parser_init'
> > >> arm-init.c:(.text+0x78): undefined reference to `of_pci_range_parser_one'
> > arm-init.c:(.text+0x78): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `of_pci_range_parser_one'
>
> Ard,
>
> Not sure what's going on here. of_pci_range_parser_init() and
> of_pci_range_parser_one() has a stub if CONFIG_OF_ADDRESS isn't
> defined. So not sure why the bot is reporting "undefined symbol".
> Thoughts?
>

You'll need a #ifdef CONFIG_PCI somewhere, I guess.

> Also, thoughts on my patch?
>

Looks ok to me, but I haven't had a chance to test it yet.

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