On Thu, 17 Dec 2020 at 12:36, Bhaskara Budiredla <bbudire...@marvell.com> wrote: > > > [...] > > >> >> An extra check can be added to see if host was runtime suspended > >> >> ahead of panic write attempt. > >> > > >> >What if that is the case, should we just return an error? > >> > > >> Yes. > >> > >> >Moreover, even the device belonging to the mmc card can be runtime > >> >suspended too. So if that is the case, we should return an error too? > >> > > >> > >> Yes, same here. > >> > > Please comment if returning error is sufficient here or > can there be an attempt to wake the device through either of the atomic > activation calls: > pm_runtime_get(), pm_request_resume()?
Hmm, I would start with playing with the below. mmc_claim_host supports also nested claims. mmc_claim_host(host) - this will call pm_runtime_get_sync(host) mmc_get_card(card, NULL) - this will call can pm_runtime_get_sync(card)) and also try to claim the host Kind regards Uffe
