> -----Original Message----- > From: Tomas Henzl [mailto:thenzl@xxxxxxxxxx] > Sent: Monday, February 22, 2021 9:03 PM > To: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>; linux- > scsi@xxxxxxxxxxxxxxx > Cc: jejb@xxxxxxxxxxxxx; martin.petersen@xxxxxxxxxx; > steve.hagan@xxxxxxxxxxxx; peter.rivera@xxxxxxxxxxxx; mpi3mr- > linuxdrv.pdl@xxxxxxxxxxxx; sathya.prakash@xxxxxxxxxxxx > Subject: Re: [PATCH 21/24] mpi3mr: add support of PM suspend and resume > > 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 ^ Noted. I will fix it in V2. I will scan all the patch for such things one more time. Kashyap > > + __func__, r); > > + return r; > > + }
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