Re: [PATCH 1/3] clocksource/drivers/arm_arch_timer_mmio: Prevent driver unbind
From: Marc Zyngier
Date: Tue Nov 11 2025 - 10:45:16 EST
On Tue, 11 Nov 2025 15:32:24 +0000,
Johan Hovold <johan@xxxxxxxxxx> wrote:
>
> Clockevents cannot be deregistered so suppress the bind attributes to
> prevent the driver from being unbound and releasing the underlying
> resources after registration.
>
> Fixes: 4891f01527bb ("clocksource/drivers/arm_arch_timer: Add standalone MMIO driver")
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
> drivers/clocksource/arm_arch_timer_mmio.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/clocksource/arm_arch_timer_mmio.c b/drivers/clocksource/arm_arch_timer_mmio.c
> index ebe1987d651e..d10362692fdd 100644
> --- a/drivers/clocksource/arm_arch_timer_mmio.c
> +++ b/drivers/clocksource/arm_arch_timer_mmio.c
> @@ -426,6 +426,7 @@ static struct platform_driver arch_timer_mmio_drv = {
> .driver = {
> .name = "arch-timer-mmio",
> .of_match_table = arch_timer_mmio_of_table,
> + .suppress_bind_attrs = true,
> },
> .probe = arch_timer_mmio_probe,
> };
> @@ -434,6 +435,7 @@ builtin_platform_driver(arch_timer_mmio_drv);
> static struct platform_driver arch_timer_mmio_acpi_drv = {
> .driver = {
> .name = "gtdt-arm-mmio-timer",
> + .suppress_bind_attrs = true,
> },
> .probe = arch_timer_mmio_probe,
> };
Acked-by: Marc Zyngier <maz@xxxxxxxxxx>
M.
--
Without deviation from the norm, progress is not possible.