[PATCH] pci: store PCI_INTERRUPT_PIN in pci_dev
Store the value of the INTERRUPT_PIN in the pci_dev structure
so that it can be retrieved later.
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/probe.c b/drivers/pci/probe.c
index fce2cb2..2f82e63 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -571,6 +571,7 @@
unsigned char irq;
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &irq);
+ dev->pin = irq;
if (irq)
pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
dev->irq = irq;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index de690ca..b32f70fe 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -98,6 +98,7 @@
unsigned int class; /* 3 bytes: (base,sub,prog-if) */
u8 hdr_type; /* PCI header type (`multi' flag masked out) */
u8 rom_base_reg; /* which config register controls the ROM */
+ u8 pin; /* which interrupt pin this device uses */
struct pci_driver *driver; /* which driver has allocated this device */
u64 dma_mask; /* Mask of the bits of bus address this
