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authorMichael Ellerman <michael@ellerman.id.au>2007-05-08 12:58:37 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-08 13:46:48 +1000
commit05af7bd2d75e5098021864d83fbb831111755fa0 (patch)
treec5319ce0410fdf732679175fa5a4df25cbb0e830 /arch/powerpc/platforms/Makefile
parenta7de7c74227edda719b257eb15aecd73790ff894 (diff)
[POWERPC] MPIC U3/U4 MSI backend
MPIC U3/U4 MSI backend. Based on code from Segher, heavily hacked by me. This only deals with MSI on U3/U4 MPICs, aka. CPC 9x5. If we find a U3/U4 then we enable this backend, ie. take over the ppc_md MSI hooks. We might need more elaborate logic in future to decide which backend is enabled. We need our own irq_chip so that we can do MSI masking/unmasking on the device itself. We also need to mask explicitly on shutdown to make sure we don't get bitten by lazy-disable semantics. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
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