soc/qcom/rpm_master_stats.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
34 	/* Per-subsystem (*not necessarily* SoC-wide) XO shutdown stats */
43 	struct master_stats_data *data = s->private;  in master_stats_show()
46 	memcpy_fromio(&stat, data->base, sizeof(stat));  in master_stats_show()
48 	seq_printf(s, "%s:\n", data->label);  in master_stats_show()
50 	seq_printf(s, "\tLast shutdown @ %llu\n", stat.shutdown_req);  in master_stats_show()
52 	seq_printf(s, "\tLast bringup ack @ %llu\n", stat.bringup_ack);  in master_stats_show()
54 	seq_printf(s, "\tLast XO shutdown enter @ %llu\n", stat.xo_last_enter);  in master_stats_show()
55 	seq_printf(s, "\tLast XO shutdown exit @ %llu\n", stat.last_exit);  in master_stats_show()
59 	seq_printf(s, "\tXO shutdown count: %u\n", stat.xo_count);  in master_stats_show()
70 	struct device *dev = &pdev->dev;  in master_stats_probe()
77 	count = of_property_count_strings(dev->of_node, "qcom,master-names");  in master_stats_probe()
83 		return -ENOMEM;  in master_stats_probe()
89 		msgram_np = of_parse_phandle(dev->of_node, "qcom,rpm-msg-ram", i);  in master_stats_probe()
92 			return dev_err_probe(dev, -ENODEV,  in master_stats_probe()
110 			return dev_err_probe(dev, -EINVAL,  in master_stats_probe()
114 		ret = of_property_read_string_index(dev->of_node, "qcom,master-names", i,  in master_stats_probe()
148 	{ .compatible = "qcom,rpm-master-stats" },