diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8986cf07fe1f4d9b782a088fa74349ef54184a90..93f380931d5b6f328a6c7c2fc390e691933dec5c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1316,7 +1316,6 @@ config HAVE_ARM_ARCH_TIMER config HAVE_ARM_TWD bool - select TIMER_OF if OF help This options enables support for the ARM timer and watchdog unit diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h index 312784ee9936ae4fe6da6459d9ca452ada438d07..c729d2113a2457e32a32ca989fa05404c52625e0 100644 --- a/arch/arm/include/asm/smp_twd.h +++ b/arch/arm/include/asm/smp_twd.h @@ -19,20 +19,4 @@ #define TWD_TIMER_CONTROL_PERIODIC (1 << 1) #define TWD_TIMER_CONTROL_IT_ENABLE (1 << 2) -#include - -struct twd_local_timer { - struct resource res[2]; -}; - -#define DEFINE_TWD_LOCAL_TIMER(name,base,irq) \ -struct twd_local_timer name __initdata = { \ - .res = { \ - DEFINE_RES_MEM(base, 0x10), \ - DEFINE_RES_IRQ(irq), \ - }, \ -}; - -int twd_local_timer_register(struct twd_local_timer *); - #endif diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index b30eafeef09633d24b1f55e9cf9b4f14314f0fee..3cdc399b9fc32064fd7c419962ad84f42c4dff53 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -100,8 +100,6 @@ static void twd_timer_stop(void) disable_percpu_irq(clk->irq); } -#ifdef CONFIG_COMMON_CLK - /* * Updates clockevent frequency when the cpu frequency changes. * Called on the cpu that is changing frequency with interrupts disabled. @@ -143,54 +141,6 @@ static int twd_clk_init(void) } core_initcall(twd_clk_init); -#elif defined (CONFIG_CPU_FREQ) - -#include - -/* - * Updates clockevent frequency when the cpu frequency changes. - * Called on the cpu that is changing frequency with interrupts disabled. - */ -static void twd_update_frequency(void *data) -{ - twd_timer_rate = clk_get_rate(twd_clk); - - clockevents_update_freq(raw_cpu_ptr(twd_evt), twd_timer_rate); -} - -static int twd_cpufreq_transition(struct notifier_block *nb, - unsigned long state, void *data) -{ - struct cpufreq_freqs *freqs = data; - - /* - * The twd clock events must be reprogrammed to account for the new - * frequency. The timer is local to a cpu, so cross-call to the - * changing cpu. - */ - if (state == CPUFREQ_POSTCHANGE) - smp_call_function_single(freqs->cpu, twd_update_frequency, - NULL, 1); - - return NOTIFY_OK; -} - -static struct notifier_block twd_cpufreq_nb = { - .notifier_call = twd_cpufreq_transition, -}; - -static int twd_cpufreq_init(void) -{ - if (twd_evt && raw_cpu_ptr(twd_evt) && !IS_ERR(twd_clk)) - return cpufreq_register_notifier(&twd_cpufreq_nb, - CPUFREQ_TRANSITION_NOTIFIER); - - return 0; -} -core_initcall(twd_cpufreq_init); - -#endif - static void twd_calibrate_rate(void) { unsigned long count; @@ -366,21 +316,6 @@ static int __init twd_local_timer_common_register(struct device_node *np) return err; } -int __init twd_local_timer_register(struct twd_local_timer *tlt) -{ - if (twd_base || twd_evt) - return -EBUSY; - - twd_ppi = tlt->res[1].start; - - twd_base = ioremap(tlt->res[0].start, resource_size(&tlt->res[0])); - if (!twd_base) - return -ENOMEM; - - return twd_local_timer_common_register(NULL); -} - -#ifdef CONFIG_OF static int __init twd_local_timer_of_register(struct device_node *np) { int err; @@ -406,4 +341,3 @@ static int __init twd_local_timer_of_register(struct device_node *np) TIMER_OF_DECLARE(arm_twd_a9, "arm,cortex-a9-twd-timer", twd_local_timer_of_register); TIMER_OF_DECLARE(arm_twd_a5, "arm,cortex-a5-twd-timer", twd_local_timer_of_register); TIMER_OF_DECLARE(arm_twd_11mp, "arm,arm11mp-twd-timer", twd_local_timer_of_register); -#endif