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