diff options
Diffstat (limited to 'cpukit/libpci/pci_irq.c')
-rw-r--r-- | cpukit/libpci/pci_irq.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/cpukit/libpci/pci_irq.c b/cpukit/libpci/pci_irq.c new file mode 100644 index 0000000000..e379852c8b --- /dev/null +++ b/cpukit/libpci/pci_irq.c @@ -0,0 +1,20 @@ +/* PCI IRQ Library + * + * COPYRIGHT (c) 2010. + * Cobham Gaisler AB. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#include <pci.h> +#include <pci/access.h> +#include <pci/irq.h> + +int pci_dev_irq(pci_dev_t dev) +{ + uint8_t irq_line; + pci_cfg_r8(dev, PCI_INTERRUPT_LINE, &irq_line); + return irq_line; +} |