This patch sets the performance counters irq and HAVE_OPROFILE flag for Lantiq SoCs. Signed-off-by: John Crispin <blogic@xxxxxxxxxxx> --- arch/mips/Kconfig | 1 + arch/mips/lantiq/irq.c | 6 ++++++ 2 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index ce30e2f..948f2a0 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -229,6 +229,7 @@ config LANTIQ select SWAP_IO_SPACE select BOOT_RAW select HAVE_CLK + select HAVE_OPROFILE select MIPS_MACHINE config LASAT diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index b6b1c72..bfd4ad1 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -40,6 +40,9 @@ #define MAX_EIU 6 +/* the performance counter */ +#define LTQ_PERF_IRQ (INT_NUM_IM4_IRL0 + 31) + /* irqs generated by device attached to the EBU need to be acked in * a special manner */ @@ -316,6 +319,9 @@ void __init arch_init_irq(void) set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5); #endif + + /* tell oprofile which irq to use */ + cp0_perfcount_irq = LTQ_PERF_IRQ; } unsigned int __cpuinit get_c0_compare_int(void) -- 1.7.9.1
