diff options
author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-04-20 18:05:29 -0700 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-04-26 13:46:28 +0200 |
commit | 505b5e65298e7b25aa2fe3d8ee0799ca8712a629 (patch) | |
tree | 1deaa76d65728f5fb504a0f0e95e2f4c272db8d1 /common | |
parent | 9d8c00bdf7c1e8b614a797f0a15fa45bf6387224 (diff) | |
download | barebox-505b5e65298e7b25aa2fe3d8ee0799ca8712a629.tar.gz barebox-505b5e65298e7b25aa2fe3d8ee0799ca8712a629.tar.xz |
common: reset_source: Add the notion of "reset source instance"
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@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common')
-rw-r--r-- | common/reset_source.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/common/reset_source.c b/common/reset_source.c index 06e2ca85f5..6a6c4f5daf 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; } |