linux-kernel - Re: [PATCH v3 10/13] i2c: xgene-slimpro: Simplify PCC shared memory region handling

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Message-ID: <fp6swrbauspd6kbx6ppf7ym2clcdmem3krtvssvewjrc5oqgqw@bpkgoo5gfz3q>
Date: Fri, 14 Mar 2025 01:48:30 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: Sudeep Holla <sudeep.holla@....com>
Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Jassi Brar <jassisinghbrar@...il.com>, Huisong Li <lihuisong@...wei.com>, 
	Adam Young <admiyo@...amperecomputing.com>, Robbie King <robbiek@...ghtlabs.com>, linux-i2c@...r.kernel.org
Subject: Re: [PATCH v3 10/13] i2c: xgene-slimpro: Simplify PCC shared memory
 region handling

Hi Sudeep,

On Thu, Mar 13, 2025 at 03:28:56PM +0000, Sudeep Holla wrote:
> The PCC driver now handles mapping and unmapping of shared memory
> areas as part of pcc_mbox_{request,free}_channel(). Without these before,
> this xgene-slimpro I2C 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: Andi Shyti <andi.shyti@...nel.org>
> Cc: linux-i2c@...r.kernel.org
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> ---

Acked-by: Andi Shyti <andi.shyti@...nel.org>

Thanks,
Andi