Re: [PATCH] i2c: brcmstb: Add support for atomic transfers

[Marek Szyprowski]

On 09.10.2023 22:41, Florian Fainelli wrote:
> On 10/6/23 07:41, Marek Szyprowski wrote:
>> Add support for atomic transfers using polling mode with interrupts
>> intentionally disabled to get rid of the warning introduced by commit
>> 63b96983a5dd ("i2c: core: introduce callbacks for atomic transfers")
>> during system reboot and power-off.
>
> Is there an existing system that you have access to which needs atomic 
> transfer support, or is this a forward looking change?

Frankly speaking I've observed the mentioned warning during system 
reboot on RaspberryPi4 with linux-next kernel compiled from 
multi_v7_defconfig. It looks that this driver is used by VC4 DRM for 
DDC. This issue doesn't look critical, but the fix seems to be trivial, 
thus my patch.


Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland