Bnx2x: remove redundant D0 power state set

Pci_enable_device() will set device power state to D0,
so it's no need to do it again in bnx2x_init_dev().
Also remove redundant PM Cap find code, because pci core
has been saved the pci device pm cap value.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Cc: Eilon Greenstein <eilong@broadcom.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

@@ -12091,7 +12091,7 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
 	}
 
 	if (IS_PF(bp)) {
-		bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
+		bp->pm_cap = pdev->pm_cap;
 		if (bp->pm_cap == 0) {
 			dev_err(&bp->pdev->dev,
 				"Cannot find power management capability, aborting\n");
@@ -12140,8 +12140,6 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
 	}
 	BNX2X_DEV_INFO("me reg PF num: %d\n", bp->pf_num);
 
-	bnx2x_set_power_state(bp, PCI_D0);
-
 	/* clean indirect addresses */
 	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
 			       PCICFG_VENDOR_ID_OFFSET);