]> git.baikalelectronics.ru Git - kernel.git/commit
of/irq: introduce of_irq_init
authorRob Herring <rob.herring@calxeda.com>
Tue, 20 Sep 2011 20:13:50 +0000 (15:13 -0500)
committerArnd Bergmann <arnd@arndb.de>
Mon, 31 Oct 2011 13:03:22 +0000 (14:03 +0100)
commitbd54d05af1f005c7e8f9f75cd3ccfa334deae32b
tree844e32441d70118f616d4b4c84b510aaec2e5dc1
parentc9a56b697b98ac1e704ea5e6ea5bffcd69eceb5e
of/irq: introduce of_irq_init

of_irq_init will scan the devicetree for matching interrupt controller
nodes. Then it calls an initialization function for each found controller
in the proper order with parent nodes initialized before child nodes.

Based on initial pseudo code from Grant Likely.

Changes in v4:
- Drop unnecessary empty list check
- Be more verbose on errors
- Simplify "if (!desc) WARN_ON(1)" to "if (WARN_ON(!desc))"

Changes in v3:
- add missing kfree's found by Jamie
- Implement Grant's comments to simplify the init loop
- fix function comments

Changes in v2:
- Complete re-write of list searching code from Grant Likely

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Tested-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
drivers/of/irq.c
include/linux/of_irq.h