Re: [PATCH v1 5/6] clocksource/drivers/exynos_mct: Add module support

[William McVicker]

On 03/31/2025, Rob Herring wrote:
> On Mon, Mar 31, 2025 at 04:00:27PM -0700, Will McVicker wrote:
> > From: Donghoon Yu <hoony.yu@xxxxxxxxxxx>
> > 
> > On Arm64 platforms the Exynos MCT driver can be built as a module. On
> > boot (and even after boot) the arch_timer is used as the clocksource and
> > tick timer. Once the MCT driver is loaded, it can be used as the wakeup
> > source for the arch_timer.
> > 
> > Signed-off-by: Donghoon Yu <hoony.yu@xxxxxxxxxxx>
> > Signed-off-by: Youngmin Nam <youngmin.nam@xxxxxxxxxxx>
> > [Original commit from https://android.googlesource.com/kernel/gs/+/8a52a8288ec7d88ff78f0b37480dbb0e9c65bbfd]
> > Signed-off-by: Will McVicker <willmcvicker@xxxxxxxxxx>
> > ---
> >  drivers/clocksource/Kconfig      |  3 +-
> >  drivers/clocksource/exynos_mct.c | 47 +++++++++++++++++++++++++++-----
> >  2 files changed, 42 insertions(+), 8 deletions(-)
> 
> [...]
> 
> > +#ifdef MODULE
> > +static int exynos4_mct_probe(struct platform_device *pdev)
> > +{
> > +	struct device_node *np = pdev->dev.of_node;
> > +
> > +	if (of_machine_is_compatible("samsung,exynos4412-mct"))
> 
> Your root node compatible has "samsung,exynos4412-mct"!?
> 
> In any case, add a data ptr to of_device_id table and then use the match 
> data rather than comparing compatible strings again.

Ah yes, you're right. Thanks for the suggestion! I'll update on v2.

Regards,
Will

[...]