diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 16:25:59 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 16:25:59 +0400 |
| commit | 4483b159168d3db41458925512523e44d0d49cd4 (patch) | |
| tree | 9f03be0279218b7eebf6e339d3c81940df74ea87 /arch/mips | |
| parent | ea7a8463be6b5dd824bdf42b8f2af1d34f157877 (diff) | |
| download | linux-4483b159168d3db41458925512523e44d0d49cd4.tar.xz | |
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')
| -rw-r--r-- | arch/mips/cavium-octeon/cpu.c | 6 | ||||
| -rw-r--r-- | arch/mips/include/asm/cop2.h | 12 | ||||
| -rw-r--r-- | arch/mips/kernel/traps.c | 7 |
3 files changed, 14 insertions, 11 deletions
diff --git a/arch/mips/cavium-octeon/cpu.c b/arch/mips/cavium-octeon/cpu.c index b6df5387e855..c664c8cc2b42 100644 --- a/arch/mips/cavium-octeon/cpu.c +++ b/arch/mips/cavium-octeon/cpu.c @@ -41,12 +41,8 @@ static int cnmips_cu2_call(struct notifier_block *nfb, unsigned long action, return NOTIFY_OK; /* Let default notifier send signals */ } -static struct notifier_block cnmips_cu2_notifier = { - .notifier_call = cnmips_cu2_call, -}; - static int cnmips_cu2_setup(void) { - return register_cu2_notifier(&cnmips_cu2_notifier); + return cu2_notifier(cnmips_cu2_call, 0); } early_initcall(cnmips_cu2_setup); 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 */ diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 852780868fb4..1515b673179d 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -907,11 +907,6 @@ static int default_cu2_call(struct notifier_block *nfb, unsigned long action, return NOTIFY_OK; } -static struct notifier_block default_cu2_notifier = { - .notifier_call = default_cu2_call, - .priority = 0x80000000, /* Run last */ -}; - asmlinkage void do_cpu(struct pt_regs *regs) { unsigned int __user *epc; @@ -1734,5 +1729,5 @@ void __init trap_init(void) sort_extable(__start___dbe_table, __stop___dbe_table); - register_cu2_notifier(&default_cu2_notifier); + cu2_notifier(default_cu2_call, 0x80000000); /* Run last */ } |