On Fri, Jul 21, 2023 at 09:00:55AM +0100, Lee Jones wrote:
> On Thu, 20 Jul 2023, Thierry Reding wrote:
>
> > On Wed, Jul 19, 2023 at 11:02:23AM +0200, Arnd Bergmann wrote:
> > > From: Arnd Bergmann <arnd@xxxxxxxx>
> > >
> > > The new set of drivers for RZ/G2L MTU3a tries to enable compile-testing the
> > > individual client drivers even when the MFD portion is disabled but gets it
> > > wrong, causing a link failure when the core is in a loadable module but the
> > > other drivers are built-in:
> > >
> > > x86_64-linux-ld: drivers/pwm/pwm-rz-mtu3.o: in function `rz_mtu3_pwm_apply':
> > > pwm-rz-mtu3.c:(.text+0x4bf): undefined reference to `rz_mtu3_8bit_ch_write'
> > > x86_64-linux-ld: pwm-rz-mtu3.c:(.text+0x509): undefined reference to `rz_mtu3_disable'
> > >
> > > arm-linux-gnueabi-ld: drivers/counter/rz-mtu3-cnt.o: in function `rz_mtu3_cascade_counts_enable_get':
> > > rz-mtu3-cnt.c:(.text+0xbec): undefined reference to `rz_mtu3_shared_reg_read'
> > >
> > > It seems better not to add the extra complexity here but instead just use
> > > a normal hard dependency, so remove the #else portion in the header along
> > > with the "|| COMPILE_TEST". This could also be fixed by having slightly more
> > > elaborate Kconfig dependencies or using the cursed 'IS_REACHABLE()' helper,
> > > but in practice it's already possible to compile-test all these drivers
> > > by enabling the mtd portion.
> > >
> > > Fixes: 254d3a727421c ("pwm: Add Renesas RZ/G2L MTU3a PWM driver")
> > > Fixes: 0be8907359df4 ("counter: Add Renesas RZ/G2L MTU3a counter driver")
> > > Fixes: 654c293e1687b ("mfd: Add Renesas RZ/G2L MTU3a core driver")
> > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > > ---
> > > drivers/counter/Kconfig | 2 +-
> > > drivers/pwm/Kconfig | 2 +-
> > > include/linux/mfd/rz-mtu3.h | 66 -------------------------------------
> > > 3 files changed, 2 insertions(+), 68 deletions(-)
> >
> > Assuming that Lee will pick this up:
> >
> > Acked-by: Thierry Reding <thierry.reding@xxxxxxxxx>
>
> Happy to. Can you do without a pull-request?
Yeah, I don't think a PR will be necessary.
Thierry
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