On 2013/6/26 17:33, Jack Wang wrote:
> On 06/18/2013 10:23 AM, Yijing Wang wrote:
>> Pci core has been saved pm cap register offset by pdev->pm_cap in
>> pci_pm_init()
>> in init path. So we can use pdev->pm_cap instead of using
>> pci_find_capability(pdev, PCI_CAP_ID_PM) for better performance and
>> simplified code.
>>
> I think Lindar already replied to you, and tested it on hardware.
I didn't receive the reply, I will check my email client, maybe I lose some
emails.
Jack, Lindar thank you very much.
>
> So you can add her:
> Acked-by or Tested-by
ok, I will add them.
>
>
> Regards,
> Jack
>> Signed-off-by: Yijing Wang <wangyij...@huawei.com>
>> Cc: xjtu...@gmail.com
>> Cc: lindar_...@usish.com
>> Cc: "James E.J. Bottomley" <jbottom...@parallels.com>
>> Cc: linux-scsi@vger.kernel.org
>> Cc: linux-ker...@vger.kernel.org
>> ---
>> drivers/scsi/pm8001/pm8001_init.c | 7 +++----
>> 1 files changed, 3 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/scsi/pm8001/pm8001_init.c
>> b/drivers/scsi/pm8001/pm8001_init.c
>> index e4b9bc7..3861aa1 100644
>> --- a/drivers/scsi/pm8001/pm8001_init.c
>> +++ b/drivers/scsi/pm8001/pm8001_init.c
>> @@ -912,14 +912,13 @@ static int pm8001_pci_suspend(struct pci_dev *pdev,
>> pm_message_t state)
>> {
>> struct sas_ha_struct *sha = pci_get_drvdata(pdev);
>> struct pm8001_hba_info *pm8001_ha;
>> - int i , pos;
>> + int i;
>> u32 device_state;
>> pm8001_ha = sha->lldd_ha;
>> flush_workqueue(pm8001_wq);
>> scsi_block_requests(pm8001_ha->shost);
>> - pos = pci_find_capability(pdev, PCI_CAP_ID_PM);
>> - if (pos == 0) {
>> - printk(KERN_ERR " PCI PM not supported\n");
>> + if (!pdev->pm_cap) {
>> + dev_err(&pdev->dev, " PCI PM not supported\n");
>> return -ENODEV;
>> }
>> PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
>>
>
>
> .
>
--
Thanks!
Yijing
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