| 1 | |
| 2 | |
| 3 | * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
|
| 4 |
|
| 5 |
|
| 6 | #include <linux/acpi.h>
|
| 7 | #include <linux/init.h>
|
| 8 | #include <linux/of.h>
|
| 9 | #include <linux/clocksource.h>
|
| 10 |
|
| 11 | extern struct of_device_id __timer_of_table[];
|
| 12 |
|
| 13 | static const struct of_device_id __timer_of_table_sentinel
|
| 14 | __used __section("__timer_of_table_end");
|
| 15 |
|
| 16 | void __init timer_probe(void)
|
| 17 | {
|
| 18 | struct device_node *np;
|
| 19 | const struct of_device_id *match;
|
| 20 | of_init_fn_1_ret init_func_ret;
|
| 21 | unsigned timers = 0;
|
| 22 | int ret;
|
| 23 |
|
| 24 | for_each_matching_node_and_match(np, __timer_of_table, &match) {
|
| 25 | if (!of_device_is_available(np))
|
| 26 | continue;
|
| 27 |
|
| 28 | init_func_ret = match->data;
|
| 29 |
|
| 30 | ret = init_func_ret(np);
|
| 31 | if (ret) {
|
| 32 | if (ret != -EPROBE_DEFER)
|
| 33 | pr_err("Failed to initialize '%pOF': %d\n", np,
|
| 34 | ret);
|
| 35 | continue;
|
| 36 | }
|
| 37 |
|
| 38 | timers++;
|
| 39 | }
|
| 40 |
|
| 41 | timers += acpi_probe_device_table(timer);
|
| 42 |
|
| 43 | if (!timers)
|
| 44 | pr_crit("%s: no matching timers found\n", __func__);
|
| 45 | }
|