On Thu, May 10, 2012 at 5:35 AM, Jon Hunter <jon-hun...@ti.com> wrote:
> +
> + /*configure CTI0 for pmu irq routing*/
> + cti_init(&omap4_cti[0], base0, OMAP44XX_IRQ_CTI0, 6);
> + cti_unlock(&omap4_cti[0]);
> + cti_map_trigger(&omap4_cti[0], 1, 6, 2);
> +
> + /*configure CTI1 for pmu irq routing*/
> + cti_init(&omap4_cti[1], base1, OMAP44XX_IRQ_CTI1, 6);
> + cti_unlock(&omap4_cti[1]);
> + cti_map_trigger(&omap4_cti[1], 1, 6, 2);
As pointed in another thread, the above line should be changed to below:
cti_map_trigger(&omap4_cti[1], 1, 6, 3);
which can avoid irq flood issue at high frequency sample mode.
For detailed description about the issue and fix, see below link:
http://permalink.gmane.org/gmane.linux.linaro.devel/10532
Thanks,
--
Ming Lei
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