From: Kristen Accardi <kristen.c.accardi@intel.com>
Date: Thu, 3 Nov 2005 00:24:39 +0000 (-0800)
Subject: [PATCH] pci: use pin stored in pci_dev
X-Git-Tag: firefly_0821_release~39390^2~42
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=514d207db1fa3c3d2bd7990ebed8d81cebc7875b;p=firefly-linux-kernel-4.4.55.git

[PATCH] pci: use pin stored in pci_dev

Use the stored value of the interrupt pin rather than try to read
the config again.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 8e287a828d5d..81b9b8d9bceb 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -587,7 +587,7 @@ pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge)
 {
 	u8 pin;
 
-	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+	pin = dev->pin;
 	if (!pin)
 		return -1;
 	pin--;