linux-kernel - [PATCH 10/11] tlan: Enable device at resume

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Date:	Mon, 30 Jun 2014 18:38:36 +0200
From:	Ondrej Zary <linux@...nbow-software.org>
To:	Samuel Chessman <chessman@....org>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 10/11] tlan: Enable device at resume

pci_disable_device() is called in _suspend but there's no corresponding
pci_enable_device() in _resume.
This causes "disabling already-disabled device" warning on 2nd suspend.

Add pci_enable_device() call to _resume to fix this problem.

Signed-off-by: Ondrej Zary <linux@...nbow-software.org>
---
 drivers/net/ethernet/ti/tlan.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index bb805c2..dbded9f 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -366,8 +366,10 @@ static int tlan_suspend(struct pci_dev *pdev, pm_message_t state)
 static int tlan_resume(struct pci_dev *pdev)
 {
 	struct net_device *dev = pci_get_drvdata(pdev);
+	int rc = pci_enable_device(pdev);
 
-	pci_set_power_state(pdev, PCI_D0);
+	if (rc)
+		return rc;
 	pci_restore_state(pdev);
 	pci_enable_wake(pdev, PCI_D0, 0);
 	netif_device_attach(dev);
-- 
Ondrej Zary

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