From: Vedashree Vidwans <vvidwans@nvidia.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: salman.nabi@arm.com, lpieralisi@kernel.org, mark.rutland@arm.com,
andre.przywara@arm.com, ardb@kernel.org, chao.gao@intel.com,
linux-arm-kernel@lists.infradead.org, linux-coco@lists.linux.dev,
linux-kernel@vger.kernel.org, sdonthineni@nvidia.com,
vsethi@nvidia.com, vwadekar@nvidia.com
Subject: Re: [RFC PATCH 2/3] firmware: smccc: LFA: refactor, add device node support
Date: Mon, 13 Oct 2025 13:09:58 -0700 [thread overview]
Message-ID: <42c53659-7d60-4f5b-93a6-d3074f72aedf@nvidia.com> (raw)
In-Reply-To: <20251009-calculating-glorious-oriole-ceccf6@sudeepholla>
On 10/9/25 01:13, Sudeep Holla wrote:
> External email: Use caution opening links or attachments
>
>
> On Wed, Oct 08, 2025 at 07:09:06PM +0000, Vedashree Vidwans wrote:
>> - Add support for LFA device node in the kernel driver. Implement
>> probe() to register LFA interrupt and threaded interrupt service
>> function.
>> - CPUs will be rendezvoused during activation.
>> - On IRQ, driver will query FW components then triggers activation of
>> capable and pending components.
>> - Mutex synchronization is implemented to avoid concurrent LFA updates
>> through interrupt and sysfs interfaces.
>> - Refactor LFA CANCEL logic into independent lfa_cancel() function.
>> - Enhance PRIME/ACTIVATION functions to touch watchdog and implement
>> timeouts.
>>
>> Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
>> ---
>> drivers/firmware/smccc/lfa_fw.c | 299 ++++++++++++++++++++++++++++----
>
> I was expecting to the devicetree binding based on $subject but no.
> So this patch can't be reviewed without one.
>
> --
> Regards,
> Sudeep
Thank you for your comments, I will include the devicetree binding
in the next iteration.
Regards,
Veda
next prev parent reply other threads:[~2025-10-13 20:10 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-08 19:09 [RFC PATCH 0/3] Arm LFA: Improvements and interrupt support Vedashree Vidwans
2025-10-08 19:09 ` [RFC PATCH 1/3] firmware: smccc: LFA: use smcc 1.2 Vedashree Vidwans
2025-10-11 0:02 ` Andre Przywara
2025-10-13 20:59 ` Vedashree Vidwans
2025-10-08 19:09 ` [RFC PATCH 2/3] firmware: smccc: LFA: refactor, add device node support Vedashree Vidwans
2025-10-09 8:13 ` Sudeep Holla
2025-10-13 20:09 ` Vedashree Vidwans [this message]
2025-10-10 17:35 ` Salman Nabi
2025-10-13 20:47 ` Vedashree Vidwans
2025-10-14 10:58 ` Andre Przywara
2025-10-14 13:44 ` Salman Nabi
2025-10-11 0:03 ` Andre Przywara
2025-10-13 21:09 ` Vedashree Vidwans
2025-10-08 19:09 ` [RFC PATCH 3/3] firmware: smccc: LFA: modify activation approach Vedashree Vidwans
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