irqdomain: Implement a method to automatically call parent domains alloc/free

Add a flags to irq_domain.flags to control whether the irqdomain core
should automatically call parent irqdomain's alloc/free callbacks. It
help to reduce hierarchy irqdomains users' code size.

Signed-off-by: Jiang Liu <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: [email protected]
Cc: Bjorn Helgaas <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Yijing Wang <[email protected]>
Cc: Yingjoe Chen <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Matthias Brugger <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>

0 files changed, 0 insertions, 0 deletions