[soc:soc/drivers 20/24] ERROR: modpost: "__ffsdi2" [drivers/platform/cznic/turris-omnia-mcu.ko] undefined!

[Geert Uytterhoeven]

Hi Arnd,

On Fri, 21 Mar 2025 at 09:41, Arnd Bergmann <arnd at arndb.de> wrote:
> On Fri, Mar 21, 2025, at 03:41, kernel test robot wrote:
> > First bad commit (maybe != root cause):
> >
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git
> > soc/drivers
> > head:   ba8755ab541fc629948233125db870d4dbf00a75
> > commit: ee7f8ed72990f28657b5bf598e695fcf4633f4ed [20/24] platform:
> > cznic: turris-omnia-mcu: Refactor requesting MCU interrupt
> > config: sh-allmodconfig
> > (https://download.01.org/0day-ci/archive/20250321/202503211029.DnQpqsJs-lkp@intel.com/config)
> > compiler: sh4-linux-gcc (GCC) 14.2.0
> > reproduce (this is a W=1 build):
> > (https://download.01.org/0day-ci/archive/20250321/202503211029.DnQpqsJs-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/202503211029.DnQpqsJs-lkp@intel.com/
> >
> > All errors (new ones prefixed by >>, old ones prefixed by <<):
> >
> > ERROR: modpost: "__delay" [drivers/net/mdio/mdio-cavium.ko] undefined!

Bug in driver (must not use __delay() directly).

> > ERROR: modpost: "devm_of_clk_add_hw_provider"
> > [drivers/media/i2c/tc358746.ko] undefined!
> > ERROR: modpost: "devm_clk_hw_register" [drivers/media/i2c/tc358746.ko]
> > undefined!
> > ERROR: modpost: "of_clk_hw_simple_get" [drivers/media/i2c/tc358746.ko]
> > undefined!

Missing dependencies for driver.

> >>> ERROR: modpost: "__ffsdi2" [drivers/platform/cznic/turris-omnia-mcu.ko] undefined!
>
> This comes from __bf_shf(spec) in omnia_mcu_request_irq().
>
> As far as I can tell, this is not your problem but in the
> SH architecture missing one of the libgcc functions that are
> called by gcc.
>
> Since this is only for compile-testing sh allmodconfig, and
> that is already broken because of other bugs, I'm not going
> to care either.
>
> Adding the linux-sh list to Cc, it would be nice to get a clean
> build again. All four problems should be trivial to address,
> and some of these have been broken for many years.

So one SH-specific issue to fix...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds