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authorSascha Hauer <s.hauer@pengutronix.de>2019-12-10 05:41:45 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2019-12-10 05:41:45 +0100
commit28e374e062aede65b6bb6f341376f196e5ac4fc7 (patch)
tree603f97f7495cc6c234482424fcb4b39dc77369da /include
parent4b05f14d96afde2fb8e7e9a92893ca3c684870d0 (diff)
parentaade8d53cf6cccf7958d2c11e5791dfcd85a584f (diff)
downloadbarebox-28e374e062aede65b6bb6f341376f196e5ac4fc7.tar.gz
barebox-28e374e062aede65b6bb6f341376f196e5ac4fc7.tar.xz
Merge branch 'for-next/watchdog'
Diffstat (limited to 'include')
-rw-r--r--include/param.h24
-rw-r--r--include/watchdog.h27
2 files changed, 44 insertions, 7 deletions
diff --git a/include/param.h b/include/param.h
index 4ac502e726..d75f50ea3e 100644
--- a/include/param.h
+++ b/include/param.h
@@ -63,6 +63,16 @@ struct param_d *dev_add_param_enum(struct device_d *dev, const char *name,
int (*get)(struct param_d *p, void *priv),
int *value, const char * const *names, int max, void *priv);
+enum param_tristate { PARAM_TRISTATE_UNKNOWN, PARAM_TRISTATE_TRUE, PARAM_TRISTATE_FALSE };
+
+struct param_d *dev_add_param_tristate(struct device_d *dev, const char *name,
+ int (*set)(struct param_d *p, void *priv),
+ int (*get)(struct param_d *p, void *priv),
+ int *value, void *priv);
+
+struct param_d *dev_add_param_tristate_ro(struct device_d *dev, const char *name,
+ int *value);
+
struct param_d *dev_add_param_bitmask(struct device_d *dev, const char *name,
int (*set)(struct param_d *p, void *priv),
int (*get)(struct param_d *p, void *priv),
@@ -144,6 +154,20 @@ static inline struct param_d *dev_add_param_bitmask(struct device_d *dev, const
return ERR_PTR(-ENOSYS);
}
+static inline struct param_d *dev_add_param_tristate(struct device_d *dev, const char *name,
+ int (*set)(struct param_d *p, void *priv),
+ int (*get)(struct param_d *p, void *priv),
+ int *value, void *priv)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static inline struct param_d *dev_add_param_tristate_ro(struct device_d *dev, const char *name,
+ int *value)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
static inline struct param_d *dev_add_param_ip(struct device_d *dev, const char *name,
int (*set)(struct param_d *p, void *priv),
int (*get)(struct param_d *p, void *priv),
diff --git a/include/watchdog.h b/include/watchdog.h
index 184a218916..9741570ce2 100644
--- a/include/watchdog.h
+++ b/include/watchdog.h
@@ -15,6 +15,13 @@
#include <poller.h>
#include <driver.h>
+#include <param.h>
+
+enum wdog_hw_runnning {
+ WDOG_HW_RUNNING_UNSUPPORTED = PARAM_TRISTATE_UNKNOWN,
+ WDOG_HW_RUNNING = PARAM_TRISTATE_TRUE,
+ WDOG_HW_NOT_RUNNING = PARAM_TRISTATE_FALSE
+};
struct watchdog {
int (*set_timeout)(struct watchdog *, unsigned);
@@ -27,15 +34,27 @@ struct watchdog {
unsigned int poller_enable;
struct poller_async poller;
struct list_head list;
+ int running; /* enum wdog_hw_running */
};
+/*
+ * Use the following function to check whether or not the hardware watchdog
+ * is running
+ */
+static inline int watchdog_hw_running(struct watchdog *w)
+{
+ if (w->running == WDOG_HW_RUNNING_UNSUPPORTED)
+ return -ENOSYS;
+
+ return w->running == WDOG_HW_RUNNING;
+}
+
#ifdef CONFIG_WATCHDOG
int watchdog_register(struct watchdog *);
int watchdog_deregister(struct watchdog *);
struct watchdog *watchdog_get_default(void);
struct watchdog *watchdog_get_by_name(const char *name);
int watchdog_set_timeout(struct watchdog*, unsigned);
-unsigned int of_get_watchdog_priority(struct device_node *node);
#else
static inline int watchdog_register(struct watchdog *w)
{
@@ -61,12 +80,6 @@ static inline int watchdog_set_timeout(struct watchdog*w, unsigned t)
{
return 0;
}
-
-
-static inline unsigned int of_get_watchdog_priority(struct device_node *node)
-{
- return 0;
-}
#endif
#define WATCHDOG_DEFAULT_PRIORITY 100