Merge "msm: ais: specify CPU for IFE interrupt" (391c829e) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/media/platform/msm/ais/cam_utils/cam_soc_util.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -319,6 +319,9 @@ static int cam_soc_util_get_clk_level_to_apply(

		int cam_soc_util_irq_enable(struct cam_hw_soc_info *soc_info)
		{
		int rc;
		int cpu_num;

		if (!soc_info) {
		CAM_ERR(CAM_UTIL, "Invalid arguments");
		return -EINVAL;
		@@ -329,6 +332,24 @@ int cam_soc_util_irq_enable(struct cam_hw_soc_info *soc_info)
		return -ENODEV;
		}

		cpu_num = num_active_cpus();
		/*
		* By default, irq will be handled on cpu0,
		* bind ife/ife-lite irq to different cpu
		* that could reduce the ife/ife-lite irq delay
		*/
		if (!strcmp(soc_info->irq_name, "ife") \|\|
		!strcmp(soc_info->irq_name, "ife-lite")) {
		if ((soc_info->index + 1) < cpu_num) {
		rc = irq_set_affinity(soc_info->irq_line->start,
		cpumask_of(soc_info->index + 1));
		if (rc < 0)
		CAM_ERR(CAM_UTIL,
		"%s irq bind cpu%d failed",
		soc_info->irq_name,
		soc_info->index + 1);
		}
		}
		enable_irq(soc_info->irq_line->start);

		return 0;