mcb: Add support for shared PCI IRQs
Add support for shared PCI IRQs to mcb and mcb-pci.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/include/linux/mcb.h b/include/linux/mcb.h
index 2db284d..ed06e15 100644
--- a/include/linux/mcb.h
+++ b/include/linux/mcb.h
@@ -16,6 +16,7 @@
#include <linux/irqreturn.h>
struct mcb_driver;
+struct mcb_device;
/**
* struct mcb_bus - MEN Chameleon Bus
@@ -23,11 +24,14 @@
* @dev: pointer to carrier device
* @children: the child busses
* @bus_nr: mcb bus number
+ * @get_irq: callback to get IRQ number
*/
struct mcb_bus {
struct list_head children;
struct device dev;
+ struct device *carrier;
int bus_nr;
+ int (*get_irq)(struct mcb_device *dev);
};
#define to_mcb_bus(b) container_of((b), struct mcb_bus, dev)
@@ -105,7 +109,7 @@
module_driver(__mcb_driver, mcb_register_driver, mcb_unregister_driver);
extern void mcb_bus_add_devices(const struct mcb_bus *bus);
extern int mcb_device_register(struct mcb_bus *bus, struct mcb_device *dev);
-extern struct mcb_bus *mcb_alloc_bus(void);
+extern struct mcb_bus *mcb_alloc_bus(struct device *carrier);
extern struct mcb_bus *mcb_bus_get(struct mcb_bus *bus);
extern void mcb_bus_put(struct mcb_bus *bus);
extern struct mcb_device *mcb_alloc_dev(struct mcb_bus *bus);