MIPS: lantiq: enable oprofile support on lantiq targets
This patch sets the performance counters irq on Lantiq SoCs. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3720/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -40,6 +40,9 @@
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#define MAX_EIU 6
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/* the performance counter */
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#define LTQ_PERF_IRQ (INT_NUM_IM4_IRL0 + 31)
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/* irqs generated by device attached to the EBU need to be acked in
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* a special manner
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*/
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@ -316,6 +319,9 @@ void __init arch_init_irq(void)
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set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 |
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IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5);
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#endif
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/* tell oprofile which irq to use */
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cp0_perfcount_irq = LTQ_PERF_IRQ;
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}
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unsigned int __cpuinit get_c0_compare_int(void)
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