Re: [PATCH 21/24] mpi3mr: add support of PM suspend and resume

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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;
> +	}




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]

  Powered by Linux