[POWERPC] mpic: Deal with bogus NIRQ in Feature Reporting Register

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Some chips (like the SoCs from Freescale) report the wrong value in NIRQ
and this causes issues if its doesn't match or exceed the value of
irq_count.

Add a flag that board code can set to just use irq_count instead of
FRR[NIRQ].  Eventually we'll add a device tree property with the number
of sources.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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Kumar Gala 2008-05-22 06:59:23 +10:00 • committed by Paul Mackerras

parent 2ca7633dc7

commit 475ca391b4

2 changed files with 8 additions and 3 deletions

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include/asm-powerpc/mpic.h

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