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

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Message-ID: <5a742d2a-ac57-f060-913a-6bc9db1e71a2@huawei.com>
Date: Fri, 21 Nov 2025 21:14:04 +0800
From: Hanjun Guo <guohanjun@...wei.com>
To: Marc Zyngier <maz@...nel.org>
CC: <linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>, Pavan
 Kondeti <pavan.kondeti@....qualcomm.com>, Sudeep Holla
	<sudeep.holla@....com>, "Rafael J. Wysocki" <rafael@...nel.org>, Daniel
 Lezcano <daniel.lezcano@...aro.org>, Thomas Gleixner <tglx@...utronix.de>,
	Mark Rutland <mark.rutland@....com>, Catalin Marinas
	<catalin.marinas@....com>, Will Deacon <will@...nel.org>
Subject: Re: [PATCH] ACPI: GTDT: Correctly number platform devices for MMIO
 timers

On 2025/11/21 16:55, Marc Zyngier wrote:
> On Fri, 21 Nov 2025 02:53:17 +0000,
> Hanjun Guo <guohanjun@...wei.com> 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@....qualcomm.com>
>>> Signed-off-by: Marc Zyngier <maz@...nel.org>
>>> Cc: Hanjun Guo <guohanjun@...wei.com>
>>> Cc: Sudeep Holla <sudeep.holla@....com>
>>> Cc: "Rafael J. Wysocki" <rafael@...nel.org>
>>> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
>>> Cc: Thomas Gleixner <tglx@...utronix.de>
>>> Cc: Mark Rutland <mark.rutland@....com>
>>> ---
>>>    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@...wei.com>
>>
>> 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