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SubjectRe: [PATCH] tg3: remove redundant pm init code
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On Wed, 2013-05-29 at 17:00 +0800, Yijing Wang wrote: 
> Pci_enable_device() will set device pm state to D0, so
> it's no need to do it again in tg3_init_one().
>
> Signed-off-by: Yijing Wang <wangyijing@huawei.com>

Acked-by: Michael Chan <mchan@broadcom.com>

> ---
> drivers/net/ethernet/broadcom/tg3.c | 20 +-------------------
> 1 files changed, 1 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
> index 728d42a..1396ab3 100644
> --- a/drivers/net/ethernet/broadcom/tg3.c
> +++ b/drivers/net/ethernet/broadcom/tg3.c
> @@ -17042,25 +17042,10 @@ static int tg3_init_one(struct pci_dev *pdev,
>
> pci_set_master(pdev);
>
> - /* Find power-management capability. */
> - pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
> - if (pm_cap == 0) {
> - dev_err(&pdev->dev,
> - "Cannot find Power Management capability, aborting\n");
> - err = -EIO;
> - goto err_out_free_res;
> - }
> -
> - err = pci_set_power_state(pdev, PCI_D0);
> - if (err) {
> - dev_err(&pdev->dev, "Transition to D0 failed, aborting\n");
> - goto err_out_free_res;
> - }
> -
> dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS);
> if (!dev) {
> err = -ENOMEM;
> - goto err_out_power_down;
> + goto err_out_free_res;
> }
>
> SET_NETDEV_DEV(dev, &pdev->dev);
> @@ -17406,9 +17391,6 @@ err_out_iounmap:
> err_out_free_dev:
> free_netdev(dev);
>
> -err_out_power_down:
> - pci_set_power_state(pdev, PCI_D3hot);
> -
> err_out_free_res:
> pci_release_regions(pdev);
>





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