In order to accomodate SoCs that come with multiple watchdogs (or any other reset sources of the same kind) add a notion of "reset source instance", similar to what we already have for bootsource API. Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> --- common/reset_source.c | 17 +++++++++++++++++ include/reset_source.h | 11 +++++++++++ 2 files changed, 28 insertions(+) diff --git a/common/reset_source.c b/common/reset_source.c index 06e2ca85f..6a6c4f5da 100644 --- a/common/reset_source.c +++ b/common/reset_source.c @@ -32,6 +32,7 @@ static const char * const reset_src_names[] = { static enum reset_src_type reset_source; static unsigned int reset_source_priority; +static int reset_source_instance; enum reset_src_type reset_source_get(void) { @@ -39,6 +40,12 @@ enum reset_src_type reset_source_get(void) } EXPORT_SYMBOL(reset_source_get); +int reset_source_get_instance(void) +{ + return reset_source_instance; +} +EXPORT_SYMBOL(reset_source_get_instance); + void reset_source_set_priority(enum reset_src_type st, unsigned int priority) { if (priority <= reset_source_priority) @@ -46,17 +53,27 @@ void reset_source_set_priority(enum reset_src_type st, unsigned int priority) reset_source = st; reset_source_priority = priority; + reset_source_instance = 0; pr_debug("Setting reset source to %s with priority %d\n", reset_src_names[reset_source], priority); } EXPORT_SYMBOL(reset_source_set_priority); +void reset_source_set_instance(enum reset_src_type type, int instance) +{ + if (reset_source == type) + reset_source_instance = instance; +} +EXPORT_SYMBOL(reset_source_set_instance); + static int reset_source_init(void) { globalvar_add_simple_enum("system.reset", (unsigned int *)&reset_source, reset_src_names, ARRAY_SIZE(reset_src_names)); + globalvar_add_simple_int("system.reset_instance", &reset_source_instance, + "%d"); return 0; } diff --git a/include/reset_source.h b/include/reset_source.h index 3ff06b70a..c9911c008 100644 --- a/include/reset_source.h +++ b/include/reset_source.h @@ -27,6 +27,8 @@ enum reset_src_type { #ifdef CONFIG_RESET_SOURCE void reset_source_set_priority(enum reset_src_type, unsigned int priority); enum reset_src_type reset_source_get(void); +void reset_source_set_instance(enum reset_src_type type, int instance); +int reset_source_get_instance(void); unsigned int of_get_reset_source_priority(struct device_node *node); #else static inline void reset_source_set_priority(enum reset_src_type type, @@ -34,11 +36,20 @@ static inline void reset_source_set_priority(enum reset_src_type type, { } +static inline void reset_source_set_instance(enum reset_src_type type, int instance) +{ +} + static inline enum reset_src_type reset_source_get(void) { return RESET_UKWN; } +static inline int reset_source_get_instance(void) +{ + return 0; +} + static inline unsigned int of_get_reset_source_priority(struct device_node *node) { return 0; -- 2.14.3 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox