[PATCH 3/3 v2] ssb: use pci_dev->subsystem_{vendor,device}

[PATCH 3/3 v2] ssb: use pci_dev->subsystem_{vendor,device}

[Sergei Shtylyov]

The SSB code reads PCI subsystem IDs from the PCI configuration registers while
they are already stored by the PCI subsystem in the 'subsystem_{vendor|device}'
fields of 'struct pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>

---
The patch is against the recent Linus' tree.

 drivers/ssb/pci.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Index: linux-2.6/drivers/ssb/pci.c
===================================================================
--- linux-2.6.orig/drivers/ssb/pci.c
+++ linux-2.6/drivers/ssb/pci.c
@@ -734,10 +734,8 @@ out_free:
 static void ssb_pci_get_boardinfo(struct ssb_bus *bus,
 				  struct ssb_boardinfo *bi)
 {
-	pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_VENDOR_ID,
-			     &bi->vendor);
-	pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_ID,
-			     &bi->type);
+	bi->vendor = bus->host_pci->subsystem_vendor;
+	bi->type = bus->host_pci->subsystem_device;
 	bi->rev = bus->host_pci->revision;
 }
 

Re: [PATCH 3/3 v2] ssb: use pci_dev->subsystem_{vendor,device}

[John W. Linville]

On Fri, Jul 01, 2011 at 10:34:42PM +0400, Sergei Shtylyov wrote:
> The SSB code reads PCI subsystem IDs from the PCI configuration registers while
> they are already stored by the PCI subsystem in the 'subsystem_{vendor|device}'
> fields of 'struct pci_dev'...
> 
> Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>

Applied.

-- 
John W. Linville		Someday the world will need a hero, and you
linville@tuxdriver.com			might be all we have.  Be ready.