diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2007-02-28 19:53:13 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-03-04 22:02:35 +0300 |
| commit | 12e4396bf0b1cd62c9d71a06596914c7efa7dbaf (patch) | |
| tree | 5cac3c54cbd025c9e382b0aec0a39ea8bcfd4a6f | |
| parent | a0574e04807608998d4d115c07b7bc12bb499a44 (diff) | |
| download | linux-12e4396bf0b1cd62c9d71a06596914c7efa7dbaf.tar.xz | |
[MIPS] No need to write c0_compare in plat_timer_setup
If R4k counter was used for hpt_timer and interrupt source,
c0_hpt_timer_init() initializes the c0_compare register.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/lasat/setup.c | 1 | ||||
| -rw-r--r-- | arch/mips/mips-boards/generic/time.c | 3 | ||||
| -rw-r--r-- | arch/mips/mips-boards/sim/sim_time.c | 3 | ||||
| -rw-r--r-- | arch/mips/tx4927/common/tx4927_setup.c | 10 | ||||
| -rw-r--r-- | arch/mips/tx4938/common/setup.c | 9 |
5 files changed, 0 insertions, 26 deletions
diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c index 14c55168f1ff..b27b47cd6fb2 100644 --- a/arch/mips/lasat/setup.c +++ b/arch/mips/lasat/setup.c @@ -116,7 +116,6 @@ static void lasat_time_init(void) void __init plat_timer_setup(struct irqaction *irq) { - write_c0_compare( read_c0_count() + mips_hpt_frequency / HZ); change_c0_status(ST0_IM, IE_IRQ0 | IE_IRQ5); } diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c index a3c3a1d462b2..df2a2bd3aa5d 100644 --- a/arch/mips/mips-boards/generic/time.c +++ b/arch/mips/mips-boards/generic/time.c @@ -295,7 +295,4 @@ void __init plat_timer_setup(struct irqaction *irq) irq_desc[mips_cpu_timer_irq].status |= IRQ_PER_CPU; set_irq_handler(mips_cpu_timer_irq, handle_percpu_irq); #endif - - /* to generate the first timer interrupt */ - write_c0_compare (read_c0_count() + mips_hpt_frequency/HZ); } diff --git a/arch/mips/mips-boards/sim/sim_time.c b/arch/mips/mips-boards/sim/sim_time.c index 30711d016fed..d3a21c741514 100644 --- a/arch/mips/mips-boards/sim/sim_time.c +++ b/arch/mips/mips-boards/sim/sim_time.c @@ -199,7 +199,4 @@ void __init plat_timer_setup(struct irqaction *irq) irq_desc[mips_cpu_timer_irq].flags |= IRQ_PER_CPU; set_irq_handler(mips_cpu_timer_irq, handle_percpu_irq); #endif - - /* to generate the first timer interrupt */ - write_c0_compare(read_c0_count() + (mips_hpt_frequency/HZ)); } diff --git a/arch/mips/tx4927/common/tx4927_setup.c b/arch/mips/tx4927/common/tx4927_setup.c index 941c441729b0..c8e49feb345b 100644 --- a/arch/mips/tx4927/common/tx4927_setup.c +++ b/arch/mips/tx4927/common/tx4927_setup.c @@ -81,18 +81,8 @@ void __init tx4927_time_init(void) void __init plat_timer_setup(struct irqaction *irq) { - u32 count; - u32 c1; - u32 c2; - setup_irq(TX4927_IRQ_CPU_TIMER, irq); - /* to generate the first timer interrupt */ - c1 = read_c0_count(); - count = c1 + (mips_hpt_frequency / HZ); - write_c0_compare(count); - c2 = read_c0_count(); - #ifdef CONFIG_TOSHIBA_RBTX4927 { extern void toshiba_rbtx4927_timer_setup(struct irqaction diff --git a/arch/mips/tx4938/common/setup.c b/arch/mips/tx4938/common/setup.c index dc87d92bb08d..142abf453e40 100644 --- a/arch/mips/tx4938/common/setup.c +++ b/arch/mips/tx4938/common/setup.c @@ -55,14 +55,5 @@ tx4938_time_init(void) void __init plat_timer_setup(struct irqaction *irq) { - u32 count; - u32 c1; - u32 c2; - setup_irq(TX4938_IRQ_CPU_TIMER, irq); - - c1 = read_c0_count(); - count = c1 + (mips_hpt_frequency / HZ); - write_c0_compare(count); - c2 = read_c0_count(); } |