From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-x244.google.com ([2607:f8b0:400e:c00::244]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f7PK7-0001cs-JJ for barebox@lists.infradead.org; Sat, 14 Apr 2018 17:50:53 +0000 Received: by mail-pf0-x244.google.com with SMTP id o16so8511669pfk.9 for ; Sat, 14 Apr 2018 10:50:41 -0700 (PDT) From: Andrey Smirnov Date: Sat, 14 Apr 2018 10:50:15 -0700 Message-Id: <20180414175024.9962-2-andrew.smirnov@gmail.com> In-Reply-To: <20180414175024.9962-1-andrew.smirnov@gmail.com> References: <20180414175024.9962-1-andrew.smirnov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 01/10] common: reset_source: Add the notion of "reset source instance" To: barebox@lists.infradead.org Cc: Andrey Smirnov 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 --- 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@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox