Re: [PATCH] ACPI: GTDT: Correctly number platform devices for MMIO timers

From: Hanjun Guo

Date: Fri Nov 21 2025 - 08:14:15 EST


On 2025/11/21 16:55, Marc Zyngier wrote:
On Fri, 21 Nov 2025 02:53:17 +0000,
Hanjun Guo <guohanjun@xxxxxxxxxx> wrote:

On 2025/10/30 19:01, Marc Zyngier wrote:
Use the actual timer counter instead of the watchdog counter.

Fixes: 5669d92f3efa4 ("ACPI: GTDT: Generate platform devices for MMIO timers")
Reported-by: Pavan Kondeti <pavan.kondeti@xxxxxxxxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Cc: Hanjun Guo <guohanjun@xxxxxxxxxx>
Cc: Sudeep Holla <sudeep.holla@xxxxxxx>
Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
---
drivers/acpi/arm64/gtdt.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/arm64/gtdt.c b/drivers/acpi/arm64/gtdt.c
index fd995a1d3d248..8cc8af8fd408c 100644
--- a/drivers/acpi/arm64/gtdt.c
+++ b/drivers/acpi/arm64/gtdt.c
@@ -430,10 +430,10 @@ static int __init gtdt_platform_timer_init(void)
continue;
pdev = platform_device_register_data(NULL,
"gtdt-arm-mmio-timer",
- gwdt_count, &atm,
+ mmio_timer_count, &atm,
sizeof(atm));
if (IS_ERR(pdev)) {
- pr_err("Can't register timer %d\n", gwdt_count);
+ pr_err("Can't register timer %d\n", mmio_timer_count);
continue;
}

"typo" I think :)

Acked-by: Hanjun Guo <guohanjun@xxxxxxxxxx>

Will this go via ARM64 tree?

Is that where the ACPI updates are routed to? This fixes a patch that
was routed tip, so I'd have expected this to go via the same route.

In any case, I've added Catalin and Will on Cc.

Yes, ARM64 ACPI code merged via ARM64 tree.

Thanks
Hanjun