netdev - [PATCH] tc35815: Disable PM capability

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Message-Id: <1251906680-5828-1-git-send-email-anemo@mba.ocn.ne.jp>
Date:	Thu,  3 Sep 2009 00:51:20 +0900
From:	Atsushi Nemoto <anemo@....ocn.ne.jp>
To:	netdev@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>
Subject: [PATCH] tc35815: Disable PM capability

This chip may report existance of PM registers though they are not
supported.  Disable PM features by clearing pdev->pm_cap.

Signed-off-by: Atsushi Nemoto <anemo@....ocn.ne.jp>
---
 drivers/net/tc35815.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index d2ca47f..71e4482 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -909,6 +909,11 @@ static int __devinit tc35815_init_one(struct pci_dev *pdev,
 	lp = netdev_priv(dev);
 	lp->dev = dev;
 
+	/* This device may have PM registers but they are not supported. */
+	if (pdev->pm_cap) {
+		dev_info(&pdev->dev, "Disable PM\n");
+		pdev->pm_cap = 0;
+	}
 	/* enable device (incl. PCI PM wakeup), and bus-mastering */
 	rc = pcim_enable_device(pdev);
 	if (rc)
-- 
1.5.6.5

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