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| author | Kyle Moffett <Kyle.D.Moffett@boeing.com> | 2011-12-02 06:28:03 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-12-07 13:43:08 +1100 |
| commit | be8bec56dfac0574c4c08a50cd37e09bea941e3f (patch) | |
| tree | 2c31c63a1b56f8cd79a49c358be9b6020118e7c8 /arch/powerpc/include/asm/mpic.h | |
| parent | 996983b75cebb1bc1c2c545f20336f24ebfa17af (diff) | |
| download | blackbird-op-linux-be8bec56dfac0574c4c08a50cd37e09bea941e3f.tar.gz blackbird-op-linux-be8bec56dfac0574c4c08a50cd37e09bea941e3f.zip | |
powerpc/mpic: Invert the meaning of MPIC_PRIMARY
It turns out that there are only 2 in-tree platforms which use MPICs
which are not "primary": IBM Cell and PowerMac. To reduce the
complexity of the typical board setup code, invert the MPIC_PRIMARY bit
into MPIC_SECONDARY.
Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/mpic.h')
| -rw-r--r-- | arch/powerpc/include/asm/mpic.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h index ba0b2046106e..b9d2c0fb0492 100644 --- a/arch/powerpc/include/asm/mpic.h +++ b/arch/powerpc/include/asm/mpic.h @@ -334,11 +334,11 @@ struct mpic * Note setting any ID (leaving those bits to 0) means standard MPIC */ -/* This is the primary controller, only that one has IPIs and - * has afinity control. A non-primary MPIC always uses CPU0 - * registers only +/* + * This is a secondary ("chained") controller; it only uses the CPU0 + * registers. Primary controllers have IPIs and affinity control. */ -#define MPIC_PRIMARY 0x00000001 +#define MPIC_SECONDARY 0x00000001 /* Set this for a big-endian MPIC */ #define MPIC_BIG_ENDIAN 0x00000002 |
