linux-kernel - Re: [PATCH] soc: hisilicon: kunpeng_hccs: Simplify PCC shared memory region handling

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Message-ID: <68078819.1050006@hisilicon.com>
Date: Tue, 22 Apr 2025 20:14:17 +0800
From: Wei Xu <xuwei5@...ilicon.com>
To: Sudeep Holla <sudeep.holla@....com>, "lihuisong (C)"
	<lihuisong@...wei.com>
CC: <xuwei5@...wei.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] soc: hisilicon: kunpeng_hccs: Simplify PCC shared memory
 region handling

Hi Sudeep,

On 2025/4/15 16:32, Sudeep Holla wrote:
> On Tue, Apr 15, 2025 at 02:26:40PM +0800, lihuisong (C) wrote:
>> +Wei who is Hisilicon SoC maintainer.
>>
>> 在 2025/4/11 19:25, Sudeep Holla 写道:
>>> The PCC driver now handles mapping and unmapping of shared memory
>>> areas as part of pcc_mbox_{request,free}_channel(). Without these before,
>>> this Kunpeng HCCS driver did handling of those mappings like several
>>> other PCC mailbox client drivers.
>>>
>>> There were redundant operations, leading to unnecessary code. Maintaining
>>> the consistency across these driver was harder due to scattered handling
>>> of shmem.
>>>
>>> Just use the mapped shmem and remove all redundant operations from this
>>> driver.
>>>
>>> Cc: Huisong Li <lihuisong@...wei.com>
>>> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
>> Reviewed-by: Huisong Li <lihuisong@...wei.com>
> 
> Thanks and sorry for dropping it assuming you will pick it up.
> The maintainers file just list you.
> 
> Wei,
> 
> Let me know if you want me to repost or if you can pick it from [1]
> 

Applied to the Hisilicon driver tree.
Thanks!

Best Regards,
Wei