diff options
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/irqs.h | 1 |
2 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index f2b88c5fe142..4c704b4e8b34 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -70,6 +70,18 @@ endmenu menu "Timer and clock configuration" +config SHMOBILE_TIMER_HZ + int "Kernel HZ (jiffies per second)" + range 32 1024 + default "128" + help + Allows the configuration of the timer frequency. It is customary + to have the timer interrupt run at 1000 Hz or 100 Hz, but in the + case of low timer frequencies other values may be more suitable. + SH-Mobile systems using a 32768 Hz RCLK for clock events may want + to select a HZ value such as 128 that can evenly divide RCLK. + A HZ value that does not divide evenly may cause timer drift. + config SH_TIMER_CMT bool "CMT timer driver" default y diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h index 5179b72e1ee3..132256bb8c81 100644 --- a/arch/arm/mach-shmobile/include/mach/irqs.h +++ b/arch/arm/mach-shmobile/include/mach/irqs.h @@ -2,7 +2,6 @@ #define __ASM_MACH_IRQS_H #define NR_IRQS 512 -#define NR_IRQS_LEGACY 8 #define evt2irq(evt) (((evt) >> 5) - 16) #define irq2evt(irq) (((irq) + 16) << 5) |