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Message-Id: <201107221950.25960.sshtylyov@ru.mvista.com>
Date: Fri, 22 Jul 2011 19:50:25 +0400
From: Sergei Shtylyov <sshtylyov@...mvista.com>
To: netdev@...r.kernel.org
Subject: [PATCH] sbni: use pci_dev->subsystem_device
The driver reads PCI subsystem ID from the PCI configuration register while it's
already stored by the PCI subsystem in the 'subsystem_device' field of 'struct
pci_dev'...
Signed-off-by: Sergei Shtylyov <sshtylyov@...mvista.com>
---
The patch is against the recent Linus' tree.
drivers/net/wan/sbni.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
Index: linux-2.6/drivers/net/wan/sbni.c
===================================================================
--- linux-2.6.orig/drivers/net/wan/sbni.c
+++ linux-2.6/drivers/net/wan/sbni.c
@@ -303,7 +303,6 @@ sbni_pci_probe( struct net_device *dev
!= NULL ) {
int pci_irq_line;
unsigned long pci_ioaddr;
- u16 subsys;
if( pdev->vendor != SBNI_PCI_VENDOR &&
pdev->device != SBNI_PCI_DEVICE )
@@ -314,9 +313,7 @@ sbni_pci_probe( struct net_device *dev
/* Avoid already found cards from previous calls */
if( !request_region( pci_ioaddr, SBNI_IO_EXTENT, dev->name ) ) {
- pci_read_config_word( pdev, PCI_SUBSYSTEM_ID, &subsys );
-
- if (subsys != 2)
+ if (pdev->subsystem_device != 2)
continue;
/* Dual adapter is present */
--
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