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fbf0274e43
This patch implements support for DCR based MPIC implementations. Such implementations have the MPIC_USES_DCR flag set and don't use the phys_addr argument of mpic_alloc (they require a valid dcr mapping in the device node) This version of the patch can use a little bif of cleanup still (I can probably consolidate rb->dbase/doff, at least once I'm sure on how the hardware is actually supposed to work vs. possible simulator issues) and it should be possible to build a DCR-only version of the driver. I need to cleanup a bit the CONFIG_* handling for that and probably introduce CONFIG_MPIC_MMIO and CONFIG_MPIC_DCR. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org> |
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