diff options
27 files changed, 30 insertions, 161 deletions
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index 918e8e0..818e74e 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -375,8 +375,7 @@ static struct clocksource clocksource_rpcc = { static inline void register_rpcc_clocksource(long cycle_freq) { - clocksource_calc_mult_shift(&clocksource_rpcc, cycle_freq, 4); - clocksource_register(&clocksource_rpcc); + clocksource_register_hz(&clocksource_rpcc, cycle_freq); } #else /* !CONFIG_SMP */ static inline void register_rpcc_clocksource(long cycle_freq) diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c index cdb4beb..9e9b60d 100644 --- a/arch/blackfin/kernel/time-ts.c +++ b/arch/blackfin/kernel/time-ts.c @@ -23,29 +23,6 @@ #include <asm/gptimers.h> #include <asm/nmi.h> -/* Accelerators for sched_clock() - * convert from cycles(64bits) => nanoseconds (64bits) - * basic equation: - * ns = cycles / (freq / ns_per_sec) - * ns = cycles * (ns_per_sec / freq) - * ns = cycles * (10^9 / (cpu_khz * 10^3)) - * ns = cycles * (10^6 / cpu_khz) - * - * Then we use scaling math (suggested by george@mvista.com) to get: - * ns = cycles * (10^6 * SC / cpu_khz) / SC - * ns = cycles * cyc2ns_scale / SC - * - * And since SC is a constant power of two, we can convert the div - * into a shift. - * - * We can use khz divisor instead of mhz to keep a better precision, since - * cyc2ns_scale is limited to 10^6 * 2^10, which fits in 32 bits. - * (mathieu.desnoyers@polymtl.ca) - * - * -johnstul@us.ibm.com "math is hard, lets go shopping!" - */ - -#define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */ #if defined(CONFIG_CYCLES_CLOCKSOURCE) @@ -63,7 +40,6 @@ static struct clocksource bfin_cs_cycles = { .rating = 400, .read = bfin_read_cycles, .mask = CLOCKSOURCE_MASK(64), - .shift = CYC2NS_SCALE_FACTOR, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -75,10 +51,7 @@ static inline unsigned long long bfin_cs_cycles_sched_clock(void) static int __init bfin_cs_cycles_init(void) { - bfin_cs_cycles.mult = \ - clocksource_hz2mult(get_cclk(), bfin_cs_cycles.shift); - - if (clocksource_register(&bfin_cs_cycles)) + if (clocksource_register_hz(&bfin_cs_cycles, get_cclk())) panic("failed to register clocksource"); return 0; @@ -111,7 +84,6 @@ static struct clocksource bfin_cs_gptimer0 = { .rating = 350, .read = bfin_read_gptimer0, .mask = CLOCKSOURCE_MASK(32), - .shift = CYC2NS_SCALE_FACTOR, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -125,10 +97,7 @@ static int __init bfin_cs_gptimer0_init(void) { setup_gptimer0(); - bfin_cs_gptimer0.mult = \ - clocksource_hz2mult(get_sclk(), bfin_cs_gptimer0.shift); - - if (clocksource_register(&bfin_cs_gptimer0)) + if (clocksource_register_hz(&bfin_cs_gptimer0, get_sclk())) panic("failed to register clocksource"); return 0; diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c index 1b811c6..f64097b 100644 --- a/arch/ia64/kernel/cyclone.c +++ b/arch/ia64/kernel/cyclone.c @@ -31,8 +31,6 @@ static struct clocksource clocksource_cyclone = { .rating = 300, .read = read_cyclone, .mask = (1LL << 40) - 1, - .mult = 0, /*to be calculated*/ - .shift = 16, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -118,9 +116,7 @@ int __init init_cyclone_clock(void) /* initialize last tick */ cyclone_mc = cyclone_timer; clocksource_cyclone.fsys_mmio = cyclone_timer; - clocksource_cyclone.mult = clocksource_hz2mult(CYCLONE_TIMER_FREQ, - clocksource_cyclone.shift); - clocksource_register(&clocksource_cyclone); + clocksource_register_hz(&clocksource_cyclone, CYCLONE_TIMER_FREQ); return 0; } diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 156ad80..04440cc 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -73,8 +73,6 @@ static struct clocksource clocksource_itc = { .rating = 350, .read = itc_get_cycles, .mask = CLOCKSOURCE_MASK(64), - .mult = 0, /*to be calculated*/ - .shift = 16, .flags = CLOCK_SOURCE_IS_CONTINUOUS, #ifdef CONFIG_PARAVIRT .resume = paravirt_clocksource_resume, @@ -365,11 +363,8 @@ ia64_init_itm (void) ia64_cpu_local_tick(); if (!itc_clocksource) { - /* Sort out mult/shift values: */ - clocksource_itc.mult = - clocksource_hz2mult(local_cpu_data->itc_freq, - clocksource_itc.shift); - clocksource_register(&clocksource_itc); + clocksource_register_hz(&clocksource_itc, + local_cpu_data->itc_freq); itc_clocksource = &clocksource_itc; } } diff --git a/arch/ia64/sn/kernel/sn2/timer.c b/arch/ia64/sn/kernel/sn2/timer.c index 21d6f09..c34efda 100644 --- a/arch/ia64/sn/kernel/sn2/timer.c +++ b/arch/ia64/sn/kernel/sn2/timer.c @@ -33,8 +33,6 @@ static struct clocksource clocksource_sn2 = { .rating = 450, .read = read_sn2, .mask = (1LL << 55) - 1, - .mult = 0, - .shift = 10, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -57,9 +55,7 @@ ia64_sn_udelay (unsigned long usecs) void __init sn_timer_init(void) { clocksource_sn2.fsys_mmio = RTC_COUNTER_ADDR; - clocksource_sn2.mult = clocksource_hz2mult(sn_rtc_cycles_per_second, - clocksource_sn2.shift); - clocksource_register(&clocksource_sn2); + clocksource_register_hz(&clocksource_sn2, sn_rtc_cycles_per_second); ia64_udelay = &ia64_sn_udelay; } diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c index d8a214f..e5550ce 100644 --- a/arch/microblaze/kernel/timer.c +++ b/arch/microblaze/kernel/timer.c @@ -217,16 +217,12 @@ static struct clocksource clocksource_microblaze = { .rating = 300, .read = microblaze_read, .mask = CLOCKSOURCE_MASK(32), - .shift = 8, /* I can shift it */ .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; static int __init microblaze_clocksource_init(void) { - clocksource_microblaze.mult = - clocksource_hz2mult(timer_clock_freq, - clocksource_microblaze.shift); - if (clocksource_register(&clocksource_microblaze)) + if (clocksource_register_hz(&clocksource_microblaze, timer_clock_freq)) panic("failed to register clocksource"); /* stop timer1 */ diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c index 2aecb2f..d5da6ad 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -141,8 +141,7 @@ static int __init alchemy_time_init(unsigned int m2int) goto cntr_err; /* register counter1 clocksource and event device */ - clocksource_set_clock(&au1x_counter1_clocksource, 32768); - clocksource_register(&au1x_counter1_clocksource); + clocksource_register_hz(&au1x_counter1_clocksource, 32768); cd->shift = 32; cd->mult = div_sc(32768, NSEC_PER_SEC, cd->shift); diff --git a/arch/mips/cavium-octeon/csrc-octeon.c b/arch/mips/cavium-octeon/csrc-octeon.c index 26bf711..29d56af 100644 --- a/arch/mips/cavium-octeon/csrc-octeon.c +++ b/arch/mips/cavium-octeon/csrc-octeon.c @@ -105,8 +105,7 @@ unsigned long long notrace sched_clock(void) void __init plat_time_init(void) { clocksource_mips.rating = 300; - clocksource_set_clock(&clocksource_mips, octeon_get_clock_rate()); - clocksource_register(&clocksource_mips); + clocksource_register_hz(&clocksource_mips, octeon_get_clock_rate()); } static u64 octeon_udelay_factor; diff --git a/arch/mips/include/asm/time.h b/arch/mips/include/asm/time.h index c7f1bfe..bc14447 100644 --- a/arch/mips/include/asm/time.h +++ b/arch/mips/include/asm/time.h @@ -84,12 +84,6 @@ static inline int init_mips_clocksource(void) #endif } -static inline void clocksource_set_clock(struct clocksource *cs, - unsigned int clock) -{ - clocksource_calc_mult_shift(cs, clock, 4); -} - static inline void clockevent_set_clock(struct clock_event_device *cd, unsigned int clock) { diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c index fe01678..03dfd4e 100644 --- a/arch/mips/jz4740/time.c +++ b/arch/mips/jz4740/time.c @@ -121,8 +121,7 @@ void __init plat_time_init(void) clockevents_register_device(&jz4740_clockevent); - clocksource_set_clock(&jz4740_clocksource, clk_rate); - ret = clocksource_register(&jz4740_clocksource); + ret = clocksource_register_hz(&jz4740_clocksource, clk_rate); if (ret) printk(KERN_ERR "Failed to register clocksource: %d\n", ret); diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c index 0b73773..f0ab92a 100644 --- a/arch/mips/kernel/cevt-txx9.c +++ b/arch/mips/kernel/cevt-txx9.c @@ -51,8 +51,7 @@ void __init txx9_clocksource_init(unsigned long baseaddr, { struct txx9_tmr_reg __iomem *tmrptr; - clocksource_set_clock(&txx9_clocksource.cs, TIMER_CLK(imbusclk)); - clocksource_register(&txx9_clocksource.cs); + clocksource_register_hz(&txx9_clocksource.cs, TIMER_CLK(imbusclk)); tmrptr = ioremap(baseaddr, sizeof(struct txx9_tmr_reg)); __raw_writel(TCR_BASE, &tmrptr->tcr); diff --git a/arch/mips/kernel/csrc-bcm1480.c b/arch/mips/kernel/csrc-bcm1480.c index 51489f8..f96f99c 100644 --- a/arch/mips/kernel/csrc-bcm1480.c +++ b/arch/mips/kernel/csrc-bcm1480.c @@ -49,6 +49,5 @@ void __init sb1480_clocksource_init(void) plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG))); zbbus = ((plldiv >> 1) * 50000000) + ((plldiv & 1) * 25000000); - clocksource_set_clock(cs, zbbus); - clocksource_register(cs); + clocksource_register_hz(cs, zbbus); } diff --git a/arch/mips/kernel/csrc-ioasic.c b/arch/mips/kernel/csrc-ioasic.c index 23da108..46bd7fa 100644 --- a/arch/mips/kernel/csrc-ioasic.c +++ b/arch/mips/kernel/csrc-ioasic.c @@ -59,7 +59,5 @@ void __init dec_ioasic_clocksource_init(void) printk(KERN_INFO "I/O ASIC clock frequency %dHz\n", freq); clocksource_dec.rating = 200 + freq / 10000000; - clocksource_set_clock(&clocksource_dec, freq); - - clocksource_register(&clocksource_dec); + clocksource_register_hz(&clocksource_dec, freq); } diff --git a/arch/mips/kernel/csrc-powertv.c b/arch/mips/kernel/csrc-powertv.c index a27c16c..2e7c523 100644 --- a/arch/mips/kernel/csrc-powertv.c +++ b/arch/mips/kernel/csrc-powertv.c @@ -78,9 +78,7 @@ static void __init powertv_c0_hpt_clocksource_init(void) clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000; - clocksource_set_clock(&clocksource_mips, mips_hpt_frequency); - - clocksource_register(&clocksource_mips); + clocksource_register_hz(&clocksource_mips, mips_hpt_frequency); } /** @@ -130,43 +128,16 @@ static struct clocksource clocksource_tim_c = { /** * powertv_tim_c_clocksource_init - set up a clock source for the TIM_C clock * - * The hard part here is coming up with a constant k and shift s such that - * the 48-bit TIM_C value multiplied by k doesn't overflow and that value, - * when shifted right by s, yields the corresponding number of nanoseconds. * We know that TIM_C counts at 27 MHz/8, so each cycle corresponds to - * 1 / (27,000,000/8) seconds. Multiply that by a billion and you get the - * number of nanoseconds. Since the TIM_C value has 48 bits and the math is - * done in 64 bits, avoiding an overflow means that k must be less than - * 64 - 48 = 16 bits. + * 1 / (27,000,000/8) seconds. */ static void __init powertv_tim_c_clocksource_init(void) { - int prescale; - unsigned long dividend; - unsigned long k; - int s; - const int max_k_bits = (64 - 48) - 1; - const unsigned long billion = 1000000000; const unsigned long counts_per_second = 27000000 / 8; - prescale = BITS_PER_LONG - ilog2(billion) - 1; - dividend = billion << prescale; - k = dividend / counts_per_second; - s = ilog2(k) - max_k_bits; - - if (s < 0) - s = prescale; - - else { - k >>= s; - s += prescale; - } - - clocksource_tim_c.mult = k; - clocksource_tim_c.shift = s; clocksource_tim_c.rating = 200; - clocksource_register(&clocksource_tim_c); + clocksource_register_hz(&clocksource_tim_c, counts_per_second); tim_c = (struct tim_c *) asic_reg_addr(tim_ch); } diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c index e95a3cd..decd1fa 100644 --- a/arch/mips/kernel/csrc-r4k.c +++ b/arch/mips/kernel/csrc-r4k.c @@ -30,9 +30,7 @@ int __init init_r4k_clocksource(void) /* Calculate a somewhat reasonable rating value */ clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000; - clocksource_set_clock(&clocksource_mips, mips_hpt_frequency); - - clocksource_register(&clocksource_mips); + clocksource_register_hz(&clocksource_mips, mips_hpt_frequency); return 0; } diff --git a/arch/mips/kernel/csrc-sb1250.c b/arch/mips/kernel/csrc-sb1250.c index d14d3d1..e9606d9 100644 --- a/arch/mips/kernel/csrc-sb1250.c +++ b/arch/mips/kernel/csrc-sb1250.c @@ -65,6 +65,5 @@ void __init sb1250_clocksource_init(void) IOADDR(A_SCD_TIMER_REGISTER(SB1250_HPT_NUM, R_SCD_TIMER_CFG))); - clocksource_set_clock(cs, V_SCD_TIMER_FREQ); - clocksource_register(cs); + clocksource_register_hz(cs, V_SCD_TIMER_FREQ); } diff --git a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c index 8c807c9..0cb1b97 100644 --- a/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c +++ b/arch/mips/loongson/common/cs5536/cs5536_mfgpt.c @@ -201,8 +201,6 @@ static struct clocksource clocksource_mfgpt = { .rating = 120, /* Functional for real use, but not desired */ .read = mfgpt_read, .mask = CLOCKSOURCE_MASK(32), - .mult = 0, - .shift = 22, }; int __init init_mfgpt_clocksource(void) @@ -210,8 +208,7 @@ int __init init_mfgpt_clocksource(void) if (num_possible_cpus() > 1) /* MFGPT does not scale! */ return 0; - clocksource_mfgpt.mult = clocksource_hz2mult(MFGPT_TICK_RATE, 22); - return clocksource_register(&clocksource_mfgpt); + return clocksource_register_hz(&clocksource_mfgpt, MFGPT_TICK_RATE); } arch_initcall(init_mfgpt_clocksource); diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index a152538..8d0d269 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -174,8 +174,7 @@ static void __init hub_rt_clocksource_init(void) { struct clocksource *cs = &hub_rt_clocksource; - clocksource_set_clock(cs, CYCLES_PER_SEC); - clocksource_register(cs); + clocksource_register_hz(cs, CYCLES_PER_SEC); } void __init plat_time_init(void) diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c index cd1ffed..289e928 100644 --- a/arch/x86/kernel/apb_timer.c +++ b/arch/x86/kernel/apb_timer.c @@ -177,7 +177,6 @@ static struct clocksource clocksource_apbt = { .rating = APBT_CLOCKSOURCE_RATING, .read = apbt_read_clocksource, .mask = APBT_MASK, - .shift = APBT_SHIFT, .flags = CLOCK_SOURCE_IS_CONTINUOUS, .resume = apbt_restart_clocksource, }; @@ -543,14 +542,7 @@ static int apbt_clocksource_register(void) if (t1 == apbt_read_clocksource(&clocksource_apbt)) panic("APBT counter not counting. APBT disabled\n"); - /* - * initialize and register APBT clocksource - * convert that to ns/clock cycle - * mult = (ns/c) * 2^APBT_SHIFT - */ - clocksource_apbt.mult = div_sc(MSEC_PER_SEC, - (unsigned long) apbt_freq, APBT_SHIFT); - clocksource_register(&clocksource_apbt); + clocksource_register_khz(&clocksource_apbt, (u32)apbt_freq*1000); return 0; } diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c index b904dfb..577e90c 100644 --- a/arch/x86/kernel/i8253.c +++ b/arch/x86/kernel/i8253.c @@ -133,5 +133,4 @@ static int __init init_pit_clocksource(void) return clocksource_i8253_init(); } arch_initcall(init_pit_clocksource); - #endif /* !CONFIG_X86_64 */ diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index f98d3ea..6389a6b 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -26,8 +26,6 @@ #include <asm/x86_init.h> #include <asm/reboot.h> -#define KVM_SCALE 22 - static int kvmclock = 1; static int msr_kvm_system_time = MSR_KVM_SYSTEM_TIME; static int msr_kvm_wall_clock = MSR_KVM_WALL_CLOCK; @@ -120,8 +118,6 @@ static struct clocksource kvm_clock = { .read = kvm_clock_get_cycles, .rating = 400, .mask = CLOCKSOURCE_MASK(64), - .mult = 1 << KVM_SCALE, - .shift = KVM_SCALE, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -203,7 +199,7 @@ void __init kvmclock_init(void) machine_ops.crash_shutdown = kvm_crash_shutdown; #endif kvm_get_preset_lpj(); - clocksource_register(&kvm_clock); + clocksource_register_hz(&kvm_clock, NSEC_PER_SEC); pv_info.paravirt_enabled = 1; pv_info.name = "KVM"; diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 1cd6089..4e0068e 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -913,8 +913,6 @@ static struct clocksource lguest_clock = { .rating = 200, .read = lguest_clock_read, .mask = CLOCKSOURCE_MASK(64), - .mult = 1 << 22, - .shift = 22, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -997,7 +995,7 @@ static void lguest_time_init(void) /* Set up the timer interrupt (0) to go to our simple timer routine */ irq_set_handler(0, lguest_time_irq); - clocksource_register(&lguest_clock); + clocksource_register_hz(&lguest_clock, NSEC_PER_SEC); /* We can't set cpumask in the initializer: damn C limitations! Set it * here and register our timer device. */ diff --git a/arch/x86/platform/uv/uv_time.c b/arch/x86/platform/uv/uv_time.c index 9daf5d1..0eb9018 100644 --- a/arch/x86/platform/uv/uv_time.c +++ b/arch/x86/platform/uv/uv_time.c @@ -40,7 +40,6 @@ static struct clocksource clocksource_uv = { .rating = 400, .read = uv_read_rtc, .mask = (cycle_t)UVH_RTC_REAL_TIME_CLOCK_MASK, - .shift = 10, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -372,14 +371,11 @@ static __init int uv_rtc_setup_clock(void) if (!is_uv_system()) return -ENODEV; - clocksource_uv.mult = clocksource_hz2mult(sn_rtc_cycles_per_second, - clocksource_uv.shift); - /* If single blade, prefer tsc */ if (uv_num_possible_blades() == 1) clocksource_uv.rating = 250; - rc = clocksource_register(&clocksource_uv); + rc = clocksource_register_hz(&clocksource_uv, sn_rtc_cycles_per_second); if (rc) printk(KERN_INFO "UV RTC clocksource failed rc %d\n", rc); else diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 2e2d370..c532d28 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -26,8 +26,6 @@ #include "xen-ops.h" -#define XEN_SHIFT 22 - /* Xen may fire a timer up to this many ns early */ #define TIMER_SLOP 100000 #define NS_PER_TICK (1000000000LL / HZ) @@ -211,8 +209,6 @@ static struct clocksource xen_clocksource __read_mostly = { .rating = 400, .read = xen_clocksource_get_cycles, .mask = ~0, - .mult = 1<<XEN_SHIFT, /* time directly in nanoseconds */ - .shift = XEN_SHIFT, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -448,7 +444,7 @@ static __init void xen_time_init(void) int cpu = smp_processor_id(); struct timespec tp; - clocksource_register(&xen_clocksource); + clocksource_register_hz(&xen_clocksource, NSEC_PER_SEC); if (HYPERVISOR_vcpu_op(VCPUOP_stop_periodic_timer, cpu, NULL) == 0) { /* Successfully turned off 100Hz tick, so we have the diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 7066e80..051474c 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -84,8 +84,6 @@ static struct clocksource clocksource_hpet = { .rating = 250, .read = read_hpet, .mask = CLOCKSOURCE_MASK(64), - .mult = 0, /* to be calculated */ - .shift = 10, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; static struct clocksource *hpet_clocksource; @@ -934,9 +932,7 @@ int hpet_alloc(struct hpet_data *hdp) if (!hpet_clocksource) { hpet_mctr = (void __iomem *)&hpetp->hp_hpet->hpet_mc; CLKSRC_FSYS_MMIO_SET(clocksource_hpet.fsys_mmio, hpet_mctr); - clocksource_hpet.mult = clocksource_hz2mult(hpetp->hp_tick_freq, - clocksource_hpet.shift); - clocksource_register(&clocksource_hpet); + clocksource_register_hz(&clocksource_hpet, hpetp->hp_tick_freq); hpetp->hp_clocksource = &clocksource_hpet; hpet_clocksource = &clocksource_hpet; } diff --git a/drivers/clocksource/cyclone.c b/drivers/clocksource/cyclone.c index 64e528e..72f811f 100644 --- a/drivers/clocksource/cyclone.c +++ b/drivers/clocksource/cyclone.c @@ -29,8 +29,6 @@ static struct clocksource clocksource_cyclone = { .rating = 250, .read = read_cyclone, .mask = CYCLONE_TIMER_MASK, - .mult = 10, - .shift = 0, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -108,12 +106,8 @@ static int __init init_cyclone_clocksource(void) } cyclone_ptr = cyclone_timer; - /* sort out mult/shift values: */ - clocksource_cyclone.shift = 22; - clocksource_cyclone.mult = clocksource_hz2mult(CYCLONE_TIMER_FREQ, - clocksource_cyclone.shift); - - return clocksource_register(&clocksource_cyclone); + return clocksource_register_hz(&clocksource_cyclone, + CYCLONE_TIMER_FREQ); } arch_initcall(init_cyclone_clocksource); diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index f13469b..0fb0b7e 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -161,7 +161,7 @@ struct clocksource { /* * First part of structure is read mostly */ - char *name; + const char *name; struct list_head list; int rating; cycle_t (*read)(struct clocksource *cs); |