linux-stable.git/drivers/clocksource/arm_arch_timer_mmio.c, branch linux-rolling-lts Linux kernel stable tree clocksource/drivers/arm_arch_timer_mmio: Prevent driver unbind 2025-12-18T13:03:19+00:00 Johan Hovold johan@kernel.org 2025-11-11T15:32:24+00:00 364752785f7dfa2d1455c3e56fccb1cf08c3b0d8 [ Upstream commit 6aa10f0e2ef9eba1955be6a9d0a8eaecf6bdb7ae ] 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@kernel.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Marc Zyngier <maz@kernel.org> Link: https://patch.msgid.link/20251111153226.579-2-johan@kernel.org Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 6aa10f0e2ef9eba1955be6a9d0a8eaecf6bdb7ae ]

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@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://patch.msgid.link/20251111153226.579-2-johan@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
clocksource/drivers/arm_arch_timer_mmio: Add MMIO clocksource 2025-09-23T10:32:08+00:00 Marc Zyngier maz@kernel.org 2025-08-14T15:46:22+00:00 4e9bfe6969a768ef40c669fd100c9be70fb78a1f The MMIO driver can also double as a clocksource, something that was missing in its previous incarnation. Add it for completeness. Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20250814154622.10193-5-maz@kernel.org 
The MMIO driver can also double as a clocksource, something that was
missing in its previous incarnation. Add it for completeness.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250814154622.10193-5-maz@kernel.org
clocksource/drivers/arm_arch_timer: Add standalone MMIO driver 2025-09-23T10:31:15+00:00 Marc Zyngier maz@kernel.org 2025-08-14T15:46:20+00:00 4891f01527bbbb0cf0e515c803ade67a17e247bb Add a new driver for the MMIO side of the ARM architected timer. Most of it has been lifted from the existing arch timer code, massaged, and finally rewritten. It supports both DT and ACPI as firmware descriptions. Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20250814154622.10193-3-maz@kernel.org 
Add a new driver for the MMIO side of the ARM architected timer.
Most of it has been lifted from the existing arch timer code,
massaged, and finally rewritten.

It supports both DT and ACPI as firmware descriptions.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20250814154622.10193-3-maz@kernel.org