Ejemplos de setrate_nodeclk en C++ (Cpp)

Ejemplo n.º 1

Archivo: msm_bus_fabric_adhoc.c Proyecto: SiddheshK15/kernel_htc_820

static int msm_bus_qos_enable_clk(struct msm_bus_node_device_type *node)
{
	struct msm_bus_node_device_type *bus_node = NULL;
	long rounded_rate;
	int ret = 0;
	int bus_qos_enabled = 0;

	if (!node) {
		ret = -ENXIO;
		goto exit_enable_qos_clk;
	}

	bus_node = node->node_info->bus_device->platform_data;

	if (!bus_node) {
		ret = -ENXIO;
		goto exit_enable_qos_clk;
	}

	if (!clk_get_rate(bus_node->clk[DUAL_CTX].clk)) {
		rounded_rate = clk_round_rate(bus_node->clk[DUAL_CTX].clk, 1);
		ret = setrate_nodeclk(&bus_node->clk[DUAL_CTX], rounded_rate);
		if (ret) {
			MSM_BUS_ERR("%s: Failed to set bus clk, node %d",
				__func__, node->node_info->id);
			goto exit_enable_qos_clk;
		}

		ret = enable_nodeclk(&bus_node->clk[DUAL_CTX]);
		if (ret) {
			MSM_BUS_ERR("%s: Failed to enable bus clk, node %d",
				__func__, node->node_info->id);
			goto exit_enable_qos_clk;
		}
		bus_qos_enabled = 1;
	}

	if (!IS_ERR_OR_NULL(node->qos_clk.clk)) {
		rounded_rate = clk_round_rate(node->qos_clk.clk, 1);
		ret = setrate_nodeclk(&node->qos_clk, rounded_rate);
		if (ret) {
			MSM_BUS_ERR("Failed to set bus clk, node %d",
			 node->node_info->id);
			goto exit_enable_qos_clk;
		}

		ret = enable_nodeclk(&node->qos_clk);
		if (ret) {
			MSM_BUS_ERR("Err enable mas qos clk, node %d ret %d",
				node->node_info->id, ret);
			goto exit_enable_qos_clk;
		}
	}
	ret = bus_qos_enabled;

exit_enable_qos_clk:
	return ret;
}

Ejemplo n.º 2

Archivo: msm_bus_fabric_adhoc.c Proyecto: NamelessRom/android_kernel_oppo_r7

static int flush_clk_data(struct device *node_device, int ctx)
{
	struct msm_bus_node_device_type *node;
	struct nodeclk *nodeclk = NULL;
	int ret = 0;

	node = node_device->platform_data;
	if (!node) {
		MSM_BUS_ERR("%s: Unable to find bus device for device %d",
			__func__, node->node_info->id);
		ret = -ENODEV;
		goto exit_flush_clk_data;
	}

	nodeclk = &node->clk[ctx];
	if (node->node_info->is_fab_dev) {
		if (nodeclk->rate != node->cur_clk_hz[ctx]) {
			nodeclk->rate = node->cur_clk_hz[ctx];
			nodeclk->dirty = true;
		}
	}

	if (nodeclk && nodeclk->clk && nodeclk->dirty) {
		long rounded_rate;

		if (nodeclk->rate) {
			rounded_rate = clk_round_rate(nodeclk->clk,
							nodeclk->rate);
			ret = setrate_nodeclk(nodeclk, rounded_rate);

			if (ret) {
				MSM_BUS_ERR("%s: Failed to set_rate %lu for %d",
					__func__, rounded_rate,
						node->node_info->id);
				ret = -ENODEV;
				goto exit_flush_clk_data;
			}

			ret = enable_nodeclk(nodeclk);
		} else
			ret = disable_nodeclk(nodeclk);

		if (ret) {
			MSM_BUS_ERR("%s: Failed to enable for %d", __func__,
						node->node_info->id);
			ret = -ENODEV;
			goto exit_flush_clk_data;
		}
		MSM_BUS_DBG("%s: Updated %d clk to %llu", __func__,
				node->node_info->id, nodeclk->rate);

	}
exit_flush_clk_data:
	/* Reset the aggregated clock rate for fab devices*/
	if (node->node_info->is_fab_dev)
		node->cur_clk_hz[ctx] = 0;

	nodeclk->dirty = 0;
	return ret;
}