Hi Pratyush, On Wed, Sep 15, 2021 at 05:32:31PM +0530, Pratyush Yadav wrote: > + ret = phy_pm_runtime_get_sync(csi2rx->dphy); Note that this will return 1 if the device was already resumed. That is not an error. > + if (ret == -ENOTSUPP) > + got_pm = false; > + else if (ret) > + return ret; -- Sakari Ailus