[PATCH v7 4/5] phy: starfive: Add JH7110 PCIE 2.0 PHY driver

[Conor Dooley]

Hey,

On Wed, Jun 21, 2023 at 05:29:34PM +0800, Minda Chen wrote:
> On 2023/6/19 22:45, kernel test robot wrote:
> > kernel test robot noticed the following build errors:
> > 
> > [auto build test ERROR on robh/for-next]
> > [also build test ERROR on linus/master v6.4-rc7 next-20230619]
> > [If your patch is applied to the wrong git tree, kindly drop us a note.
> > And when submitting patch, we suggest to use '--base' as documented in
> > https://git-scm.com/docs/git-format-patch#_base_tree_information]
> > 
> > url:    https://github.com/intel-lab-lkp/linux/commits/Minda-Chen/dt-bindings-phy-Add-StarFive-JH7110-PCIe-PHY/20230619-184756
> > base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
> > patch link:    https://lore.kernel.org/r/20230619094759.21013-5-minda.chen%40starfivetech.com
> > patch subject: [PATCH v7 4/5] phy: starfive: Add JH7110 PCIE 2.0 PHY driver
> > config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20230619/202306192215.TvQco9m6-lkp@intel.com/config)
> > compiler: s390-linux-gcc (GCC) 12.3.0
> > reproduce: (https://download.01.org/0day-ci/archive/20230619/202306192215.TvQco9m6-lkp@intel.com/reproduce)
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp at intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202306192215.TvQco9m6-lkp@intel.com/
> > 
> > All errors (new ones prefixed by >>, old ones prefixed by <<):
> > 
> >>> ERROR: modpost: "devm_platform_ioremap_resource" [drivers/phy/starfive/phy-jh7110-pcie.ko] undefined!

> I can not find this error. devm_platform_ioremap_resource is an exported symbol

I asked Arnd about this since the error confused me too. Arnd pointed
out that this "allmodconfig" isn't really allmodconfig as PCI is
disabled. On s390, CONFIG_HAS_IOMEM depends on PCI and thus none of
this devres stuff is usable without it. He suggested that you make the
driver depend on USB_SUPPORT, which in turn depends on HAS_IOMEM.

Cheers,
Conor.

> > ERROR: modpost: "devm_ioremap_resource" [drivers/dma/qcom/hdma.ko] undefined!
> > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined!
> > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined!
> > ERROR: modpost: "iounmap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
> > ERROR: modpost: "ioremap" [drivers/tty/ipwireless/ipwireless.ko] undefined!
> > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/char/xillybus/xillybus_of.ko] undefined!
> > ERROR: modpost: "devm_memremap" [drivers/misc/open-dice.ko] undefined!
> > ERROR: modpost: "devm_memunmap" [drivers/misc/open-dice.ko] undefined!
> > ERROR: modpost: "iounmap" [drivers/net/ethernet/8390/pcnet_cs.ko] undefined!
> > WARNING: modpost: suppressed 19 unresolved symbol warnings because there were too many)
> >> Kconfig warnings: (for reference only)
> >    WARNING: unmet direct dependencies detected for USB_PHY
> >    Depends on [n]: USB_SUPPORT [=n]
> >    Selected by [m]:
> >    - PHY_STARFIVE_JH7110_PCIE [=m]
> > 
> I will fix it.
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