Hi Viresh, On 2019-02-11 10:55, Viresh Kumar wrote: > On 11-02-19, 10:52, Marek Szyprowski wrote: >> On 2019-02-11 09:44, Viresh Kumar wrote: >>> On 07-02-19, 13:22, Marek Szyprowski wrote: >>>> Dear All, >>>> >>>> Recent commit 9ac6cb5fbb17 ("i2c: add suspended flag and accessors for >>>> i2c adapters") added a visible warning for an attempt to do i2c transfer >>>> over a suspended i2c bus. This revealed a long standing issue in the >>>> cpufreq-dt driver, which gives a following warning during system >>>> suspend/resume cycle: >>> Marek, >>> >>> I have sent a patchset which is not directly related to the problem >>> you are facing, but it may solve your problem as a side effect. Can >>> you please see if that works to solve this issue as well ? >>> >>> https://lore.kernel.org/lkml/cover.1549874368.git.viresh.kumar@xxxxxxxxxx/T/#u >> Thanks for the patch. It indeed solves the problem of the i2c transfer >> in cpu hotplug procedure during system resume, although my resources >> management rewrite is still valid as a way to fix remaining 'todos' in >> the cpufreq-dt driver. > Which remaining todos are you talking about ? Sorry I am not able to > recall :( https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/cpufreq/cpufreq-dt.c#n347 Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland