On 12/22/20 11:11 AM, Kashyap Desai wrote: > Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx> > Cc: sathya.prakash@xxxxxxxxxxxx > --- > drivers/scsi/mpi3mr/mpi3mr_os.c | 85 +++++++++++++++++++++++++++++++++ > 1 file changed, 85 insertions(+) > > diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c > index 1708aca1a5cd..ac47eed74705 100644 > --- a/drivers/scsi/mpi3mr/mpi3mr_os.c > +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c ... > +/** > + * mpi3mr_resume - PCI power management resume callback > + * @pdev: PCI device instance > + * > + * Restore the power state to D0 and reinitialize the controller > + * and resume I/O operations to the target devices > + * > + * Return: 0 on success, non-zero on failure > + */ > +static int mpi3mr_resume(struct pci_dev *pdev) > +{ > + struct Scsi_Host *shost = pci_get_drvdata(pdev); > + struct mpi3mr_ioc *mrioc; > + pci_power_t device_state = pdev->current_state; > + int r; > + > + mrioc = shost_priv(shost); > + > + ioc_info(mrioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n", > + pdev, pci_name(pdev), device_state); > + pci_set_power_state(pdev, PCI_D0); > + pci_enable_wake(pdev, PCI_D0, 0); > + pci_restore_state(pdev); > + mrioc->pdev = pdev; > + mrioc->cpu_count = num_online_cpus(); > + r = mpi3mr_setup_resources(mrioc); > + if (r) { > + ioc_info(mrioc, "%s: Setup resoruces failed[%d]\n", A typo here ^ > + __func__, r); > + return r; > + }