[PATCH 1/2] Add MPC52xx Interrupt controller support for ARCH=powerpc
benh at kernel.crashing.org
Tue Oct 31 19:44:51 EST 2006
> In my point of view, the Firmware main task is to init the HW. I do not
> think it's a good idea to overwrite firmware hw settings in the common
> code. In my mind, this should be done in platform specific area.
The setting of interrupt polarity is a matter that is at the edge
between firmware and OS responsibility. Remember that a lot of embedded
platforms have close to no useful firmware too.
There are reasons why there is an API for those. As long as the
device-tree contains correct polarity, it should be fine to let the pic
driver to the job as told.
Of course, if your device-tree has bugs, then adding that feature
afterward will suddenly break efika ...
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