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