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Subject: [media] bt8xx: use pci_dev->subsystem_{vendor|device}
Author: Sergei Shtylyov <[email protected]>
Date: Fri Jul 22 15:16:04 2011 -0300
The driver 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 <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
drivers/media/video/bt8xx/bttv-cards.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
---
http://git.linuxtv.org/media_tree.git?a=commitdiff;h=a57c6612627cb0c5bdc2e92a0ed02945034530e2
diff --git a/drivers/media/video/bt8xx/bttv-cards.c
b/drivers/media/video/bt8xx/bttv-cards.c
index 3c9e6c7..5b15f63 100644
--- a/drivers/media/video/bt8xx/bttv-cards.c
+++ b/drivers/media/video/bt8xx/bttv-cards.c
@@ -2892,13 +2892,10 @@ void __devinit bttv_idcard(struct bttv *btv)
{
unsigned int gpiobits;
int i,type;
- unsigned short tmp;
/* read PCI subsystem ID */
- pci_read_config_word(btv->c.pci, PCI_SUBSYSTEM_ID, &tmp);
- btv->cardid = tmp << 16;
- pci_read_config_word(btv->c.pci, PCI_SUBSYSTEM_VENDOR_ID, &tmp);
- btv->cardid |= tmp;
+ btv->cardid = btv->c.pci->subsystem_device << 16;
+ btv->cardid |= btv->c.pci->subsystem_vendor;
if (0 != btv->cardid && 0xffffffff != btv->cardid) {
/* look for the card */
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