linux-kernel - [PATCH net v2 5/8] forcedeth: Add messages to indicate using MSI or MSI-X

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Message-Id: <babd8cee0670f797c4c520857671a6268ea47a7d.1320369398.git.david.decotigny@google.com>
Date:	Thu,  3 Nov 2011 18:41:20 -0700
From:	David Decotigny <david.decotigny@...gle.com>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Ian Campbell <ian.campbell@...rix.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jiri Pirko <jpirko@...hat.com>, Joe Perches <joe@...ches.com>,
	Szymon Janc <szymon@...c.net.pl>,
	Mike Ditto <mditto@...gle.com>,
	David Decotigny <david.decotigny@...gle.com>
Subject: [PATCH net v2 5/8] forcedeth: Add messages to indicate using MSI or MSI-X

From: Mike Ditto <mditto@...gle.com>

This adds a few debug messages to indicate whether PCIe interrupts are
signaled with MSI or MSI-X.



Signed-off-by: David Decotigny <david.decotigny@...gle.com>
---
 drivers/net/ethernet/nvidia/forcedeth.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 4a45a46..0af12a8 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -3761,6 +3761,7 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
 				writel(0, base + NvRegMSIXMap0);
 				writel(0, base + NvRegMSIXMap1);
 			}
+			netdev_info(dev, "MSI-X enabled\n");
 		}
 	}
 	if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
@@ -3782,6 +3783,7 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
 			writel(0, base + NvRegMSIMap1);
 			/* enable msi vector 0 */
 			writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
+			netdev_info(dev, "MSI enabled\n");
 		}
 	}
 	if (ret != 0) {
-- 
1.7.3.1

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