K 10
svn:author
V 4
loos
K 8
svn:date
V 27
2015-01-30T18:18:09.364671Z
K 7
svn:log
V 289
The BCM2835 GPIO controller uses has interrupt lines and not only one.
Allocate all four, we will use them soon.

Simplificate the allocation of memory and interrupt resources with a single
bus_alloc_resources() call instead of doing them separately.

Destroy the mutex in case of errors.

END