Re: [PATCH] [v2] cpuidle: add ARCH_SUSPEND_POSSIBLE dependencies

[Rafael J. Wysocki]

On Tue, Feb 7, 2023 at 11:14 AM Thierry Reding <treding@xxxxxxxxxx> wrote:
>
> On Mon, Feb 06, 2023 at 08:33:06PM +0100, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@xxxxxxxx>
> >
> > Some ARMv4 processors don't support suspend, which leads
> > to a build failure with the tegra and qualcomm cpuidle driver:
> >
> > WARNING: unmet direct dependencies detected for ARM_CPU_SUSPEND
> >   Depends on [n]: ARCH_SUSPEND_POSSIBLE [=n]
> >   Selected by [y]:
> >   - ARM_TEGRA_CPUIDLE [=y] && CPU_IDLE [=y] && (ARM [=y] || ARM64) && (ARCH_TEGRA [=n] || COMPILE_TEST [=y]) && !ARM64 && MMU [=y]
> >
> > arch/arm/kernel/sleep.o: in function `__cpu_suspend':
> > (.text+0x68): undefined reference to `cpu_sa110_suspend_size'
> > (.text+0x68): undefined reference to `cpu_fa526_suspend_size'
> >
> > Add an explicit dependency to make randconfig builds avoid
> > this combination.
> >
> > Fixes: faae6c9f2e68 ("cpuidle: tegra: Enable compile testing")
> > Fixes: a871be6b8eee ("cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver")
> > Link: https://lore.kernel.org/all/20211013160125.772873-1-arnd@xxxxxxxxxx/
> > Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx
> > Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> > ---
> > I found this in my backlog of patches that never made it upstream,
> > testing shows this is still needed. Please apply.
> > ---
> >  drivers/cpuidle/Kconfig.arm | 2 ++
> >  1 file changed, 2 insertions(+)
>
> Acked-by: Thierry Reding <treding@xxxxxxxxxx>

Applied as 6.3 material, thanks!