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| author | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 13:25:59 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 13:25:59 +0100 |
| commit | 4483b159168d3db41458925512523e44d0d49cd4 (patch) | |
| tree | 9f03be0279218b7eebf6e339d3c81940df74ea87 /arch/mips/include/asm/cop2.h | |
| parent | ea7a8463be6b5dd824bdf42b8f2af1d34f157877 (diff) | |
| download | lwn-4483b159168d3db41458925512523e44d0d49cd4.tar.gz lwn-4483b159168d3db41458925512523e44d0d49cd4.zip | |
MIPS: Provide more elevant interface cu2_notifier for CP2 extensions.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: https://patchwork.linux-mips.org/patch/1504/
Diffstat (limited to 'arch/mips/include/asm/cop2.h')
| -rw-r--r-- | arch/mips/include/asm/cop2.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h index 6b04c98b7fad..2cb2f0c2c4f8 100644 --- a/arch/mips/include/asm/cop2.h +++ b/arch/mips/include/asm/cop2.h @@ -9,6 +9,8 @@ #ifndef __ASM_COP2_H #define __ASM_COP2_H +#include <linux/notifier.h> + enum cu2_ops { CU2_EXCEPTION, CU2_LWC2_OP, @@ -20,4 +22,14 @@ enum cu2_ops { extern int register_cu2_notifier(struct notifier_block *nb); extern int cu2_notifier_call_chain(unsigned long val, void *v); +#define cu2_notifier(fn, pri) \ +({ \ + static struct notifier_block fn##_nb __cpuinitdata = { \ + .notifier_call = fn, \ + .priority = pri \ + }; \ + \ + register_cu2_notifier(&fn##_nb); \ +}) + #endif /* __ASM_COP2_H */ |