diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/reset_source.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/common/reset_source.c b/common/reset_source.c index f9ee99b933..b02a694f9d 100644 --- a/common/reset_source.c +++ b/common/reset_source.c @@ -30,6 +30,7 @@ static const char * const reset_src_names[] = { }; static enum reset_src_type reset_source; +static unsigned int reset_source_priority; enum reset_src_type reset_source_get(void) { @@ -37,9 +38,13 @@ enum reset_src_type reset_source_get(void) } EXPORT_SYMBOL(reset_source_get); -void reset_source_set(enum reset_src_type st) +void reset_source_set_priority(enum reset_src_type st, unsigned int priority) { + if (priority <= reset_source_priority) + return; + reset_source = st; + reset_source_priority = priority; } EXPORT_SYMBOL(reset_source_set); @@ -52,3 +57,19 @@ static int reset_source_init(void) } coredevice_initcall(reset_source_init); + +/** + * of_get_reset_source_priority() - get the desired reset source priority from + * device tree + * @node: The device_node to read the property from + * + * return: The priority + */ +unsigned int of_get_reset_source_priority(struct device_node *node) +{ + unsigned int priority = RESET_SOURCE_DEFAULT_PRIORITY; + + of_property_read_u32(node, "reset-source-priority", &priority); + + return priority; +} |