Commit 59c11579 authored by John Crispin's avatar John Crispin Committed by Ralf Baechle
Browse files

MIPS: lantiq: enable oprofile support on lantiq targets 



This patch sets the performance counters irq on Lantiq SoCs.

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3720/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 16f70b56

arch/mips/lantiq/irq.c

+6 −0
Original line number Diff line number Diff line
@@ -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)