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authorKyle Moffett <Kyle.D.Moffett@boeing.com>2011-12-02 06:28:07 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-12-07 13:43:09 +1100
commit09dc34a95bfbc6062e1e7de0b96175480924aea8 (patch)
treed21a67d125278304324415ae2b7c23aa056584dc /arch/powerpc/include
parentc51242e7080d2265761de309cdea222d7e27bdfe (diff)
downloadlinaro-lsk-09dc34a95bfbc6062e1e7de0b96175480924aea8.tar.gz
powerpc/mpic: Add in-core support for cascaded MPICs
The Cell and PowerMac platforms use virtually identical cascaded-IRQ setup code, so just merge it into the core. Ideally this code would trigger automatically when an MPIC device-node specifies an "interrupts" property, perhaps even enabling MPIC_SECONDARY along the way. Unfortunately, Benjamin Herrenschmidt has had bad experiences in the past with the quality of Apple PowerMac device-trees, so to be safe we will only try to parse out an IRQ if the MPIC_SECONDARY flag is set by the caller. Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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