linux-kernel - Re: [PATCH RESEND v5 0/5] stratix10: Add framework for asynchronous communication with SDM

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Message-ID: <bdbe0185-341c-4cc4-a388-34f6c4c7f9b4@altera.com>
Date: Thu, 17 Jul 2025 12:36:07 -0700
From: Matthew Gerlach <matthew.gerlach@...era.com>
To: Mahesh Rao <mahesh.rao@...era.com>, Dinh Nguyen <dinguyen@...nel.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH RESEND v5 0/5] stratix10: Add framework for asynchronous
 communication with SDM



On 7/17/25 1:43 AM, Mahesh Rao wrote:
> Hi Dinh,
> 	I hope you're doing well. It's been a while since I submitted the patch
> set, could you please take a moment to review it when you get a chance?
>
> @Mathew Gerlach, I have addressed your comments. Please let me know if
> there’s anything else needed.

Thanks for the reminder. I see you implemented my previous suggestions. 
I have no further suggestions.

Matthew Gerlach
>
> Best wishes
> Mahesh Rao
> 	
>
> On 08-07-2025 10:19 am, Mahesh Rao via B4 Relay wrote:
> > The patch set includes the following changes:
> > 
> > - Add protection for querying memory objects in
> >    multi-threaded flow.
> > - Add support to generate and maintain message id
> >    and client id for asynchronous communication with SDM.
> > - Add framework to communicate with Secure Device
> >    Manager(SDM) asynchronously by sending a request
> >    and polling for response.
> > - Add commands for performing Remote System Update
> >    (RSU) operations asynchronously.
> > - Migrate RSU driver to use the asynchronous
> >    communication framework.
> > 
> > ---
> > - Link to v5: https://lore.kernel.org/r/20250620-sip_svc_upstream-v5-0-732d4ac08a32@altera.com
> > 
> > Changes in v5:
> > - Use FIELD_PREP, FIELD_GET() and GENMASK() for bit
> >    manipulation for ids.
> > - Bring down probing when stratix10_svc_async_init()
> >    fails.
> > - Other minor fixes.
> > 
> > - Link to v4: https://lore.kernel.org/r/20250610-sip_svc_upstream-v4-0-bcd9d6089071@altera.com
> > 
> > Changes in v4:
> > - Added description for svc_mem_lock mutex.
> > - Wrapped commit message and comments in source
> >    code to kernel coding style as per coding style.
> > - Added minor code fixes.
> > - Moved variables to the top of the function
> > - Removed HWMON support from in the patch-set, this
> >    will be sent in a separate patch-set.
> > - Added support for RSU commands to asynchronously
> >    communicate with SDM.
> > - Migrated RSU driver to use the supported
> >    asynchronous commands.
> > 
> > - Link to v3: https://lore.kernel.org/r/20250526-sip_svc_upstream-v3-0-6a08a4502de3@altera.com
> > 
> > Changes in v3:
> > - Changed "Stratix 10" to "Stratix10" in the commit
> >    message and in source code.
> > - Simplified stratix10_svc_add_async_client() by removing
> >    redundant code for async common channel initialization.
> > - Fixed resource cleanup on negative path in
> >    stratix10_svc_remove_async_client() and stratix10_svc_async_init().
> > - Removed optional interrupt handler support, will send the patches
> >    in a separate patch-set.
> > 
> > - Link to v2: https://lore.kernel.org/r/20250512-sip_svc_upstream-v2-0-fae5c45c059d@altera.com
> > 
> > Changes in v2:
> > - Added Reviewed by tag from Rob Herring for dt-binding
> >    patch.
> > - Resending the patch-set as there is no response from
> >    the maintainers for the previous patch submission.
> > 
> > - Link to v1: https://lore.kernel.org/r/20250422-sip_svc_upstream-v1-0-088059190f31@altera.com
> > 
> > ---
> > Mahesh Rao (5):
> >        firmware: stratix10-svc: Add mutex lock and unlock in stratix10 memory allocation/free
> >        firmware: stratix10-svc: Implement ID pool management for asynchronous operations
> >        firmware: stratix10-svc: Add initial support for asynchronous communication with Stratix10 service channel
> >        firmware: stratix10-svc: Add support for RSU commands in asynchronous framework
> >        firmware: stratix10-rsu: Migrate RSU driver to use stratix10 asynchronous framework.
> > 
> >   drivers/firmware/stratix10-rsu.c                   | 272 +++---
> >   drivers/firmware/stratix10-svc.c                   | 954 ++++++++++++++++++++-
> >   include/linux/firmware/intel/stratix10-smc.h       |  76 ++
> >   .../linux/firmware/intel/stratix10-svc-client.h    |  92 ++
> >   4 files changed, 1253 insertions(+), 141 deletions(-)
> > ---
> > base-commit: 47633099a672fc7bfe604ef454e4f116e2c954b1
> > change-id: 20250131-sip_svc_upstream-e78d8c9b4335
> > 
> > Best regards,
>