diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2007-10-11 23:46:09 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-11 23:46:09 +0100 |
| commit | 91a2fcc88634663e9e13dcdfad0e4a860e64aeee (patch) | |
| tree | a86b936f1057207d46e5a07ed826052ff640869a /arch/mips/au1000 | |
| parent | 90b02340dcc6ce00bf22c48f4865915f5989e5e4 (diff) | |
[MIPS] Consolidate all variants of MIPS cp0 timer interrupt handlers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/au1000')
| -rw-r--r-- | arch/mips/au1000/common/irq.c | 4 | ||||
| -rw-r--r-- | arch/mips/au1000/common/time.c | 40 |
2 files changed, 1 insertions, 43 deletions
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index db2ba0dbfd5..47949d6f2c1 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -65,8 +65,6 @@ #define EXT_INTC1_REQ1 5 /* IP 5 */ #define MIPS_TIMER_IP 7 /* IP 7 */ -extern void mips_timer_interrupt(void); - void (*board_init_irq)(void); static DEFINE_SPINLOCK(irq_lock); @@ -635,7 +633,7 @@ asmlinkage void plat_irq_dispatch(void) unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; if (pending & CAUSEF_IP7) - mips_timer_interrupt(); + ll_timer_interrupt(63); else if (pending & CAUSEF_IP2) intc0_req0_irqdispatch(); else if (pending & CAUSEF_IP3) diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c index fb1fd50f19a..726c340460b 100644 --- a/arch/mips/au1000/common/time.c +++ b/arch/mips/au1000/common/time.c @@ -64,48 +64,8 @@ static unsigned long last_pc0, last_match20; static DEFINE_SPINLOCK(time_lock); -static inline void ack_r4ktimer(unsigned long newval) -{ - write_c0_compare(newval); -} - -/* - * There are a lot of conceptually broken versions of the MIPS timer interrupt - * handler floating around. This one is rather different, but the algorithm - * is provably more robust. - */ unsigned long wtimer; -void mips_timer_interrupt(void) -{ - int irq = 63; - - irq_enter(); - kstat_this_cpu.irqs[irq]++; - - if (r4k_offset == 0) - goto null; - - do { - kstat_this_cpu.irqs[irq]++; - do_timer(1); -#ifndef CONFIG_SMP - update_process_times(user_mode(get_irq_regs())); -#endif - r4k_cur += r4k_offset; - ack_r4ktimer(r4k_cur); - - } while (((unsigned long)read_c0_count() - - r4k_cur) < 0x7fffffff); - - irq_exit(); - return; - -null: - ack_r4ktimer(0); - irq_exit(); -} - #ifdef CONFIG_PM irqreturn_t counter0_irq(int irq, void *dev_id) { |