diff options
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/clocksource/arm_arch_timer.c | 23 | ||||
| -rw-r--r-- | drivers/clocksource/exynos_mct.c | 1 |
3 files changed, 10 insertions, 15 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 73fcddb8314..29ba35e6a14 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -65,6 +65,7 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK config ARM_ARCH_TIMER bool + select CLKSRC_OF if OF config CLKSRC_METAG_GENERIC def_bool y if METAG diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index d7ad425ab9b..122ff05628b 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -337,22 +337,14 @@ out: return err; } -static const struct of_device_id arch_timer_of_match[] __initconst = { - { .compatible = "arm,armv7-timer", }, - { .compatible = "arm,armv8-timer", }, - {}, -}; - -int __init arch_timer_init(void) +static void __init arch_timer_init(struct device_node *np) { - struct device_node *np; u32 freq; int i; - np = of_find_matching_node(NULL, arch_timer_of_match); - if (!np) { - pr_err("arch_timer: can't find DT node\n"); - return -ENODEV; + if (arch_timer_get_rate()) { + pr_warn("arch_timer: multiple nodes in dt, skipping\n"); + return; } /* Try to determine the frequency from the device tree or CNTFRQ */ @@ -378,7 +370,7 @@ int __init arch_timer_init(void) if (!arch_timer_ppi[PHYS_SECURE_PPI] || !arch_timer_ppi[PHYS_NONSECURE_PPI]) { pr_warn("arch_timer: No interrupt available, giving up\n"); - return -EINVAL; + return; } } @@ -387,5 +379,8 @@ int __init arch_timer_init(void) else arch_timer_read_counter = arch_counter_get_cntpct; - return arch_timer_register(); + arch_timer_register(); + arch_timer_arch_init(); } +CLOCKSOURCE_OF_DECLARE(armv7_arch_timer, "arm,armv7-timer", arch_timer_init); +CLOCKSOURCE_OF_DECLARE(armv8_arch_timer, "arm,armv8-timer", arch_timer_init); diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 957af8636c9..b078d7cbc93 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -24,7 +24,6 @@ #include <linux/of_address.h> #include <linux/clocksource.h> -#include <asm/arch_timer.h> #include <asm/localtimer.h> #include <plat/cpu.h> |