globalvar: make globalvar functions more consistent

Similar to the device parameter functions also make the globalvar
functions more consistent. This also adds support for readonly
globalvars and changes several existing globalvars which should
really be readonly to readonly.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

7 files changed, 16 insertions, 30 deletions

diff --git a/common/boot.c b/common/boot.c
index cef3d5e514..a2d27d1593 100644
--- a/common/boot.c
+++ b/common/boot.c
@@ -123,7 +123,7 @@ void boot_set_watchdog_timeout(unsigned int timeout)
 
 static int init_boot_watchdog_timeout(void)
 {
-	return globalvar_add_simple_int("boot.watchdog_timeout",
+	return globalvar_add_simple_uint32("boot.watchdog_timeout",
 			&boot_watchdog_timeout, "%u");
 }
 late_initcall(init_boot_watchdog_timeout);
diff --git a/common/bootchooser.c b/common/bootchooser.c
index 455f290fa2..f6d99d130b 100644
--- a/common/bootchooser.c
+++ b/common/bootchooser.c
@@ -907,8 +907,8 @@ static int bootchooser_init(void)
 	globalvar_add_simple_bool("bootchooser.retry", &retry);
 	globalvar_add_simple_string("bootchooser.targets", &available_targets);
 	globalvar_add_simple_string("bootchooser.state_prefix", &state_prefix);
-	globalvar_add_simple_int("bootchooser.default_attempts", &global_default_attempts, "%u");
-	globalvar_add_simple_int("bootchooser.default_priority", &global_default_priority, "%u");
+	globalvar_add_simple_uint32("bootchooser.default_attempts", &global_default_attempts, "%u");
+	globalvar_add_simple_uint32("bootchooser.default_priority", &global_default_priority, "%u");
 	globalvar_add_simple_bitmask("bootchooser.reset_attempts", &reset_attempts,
 				  reset_attempts_names, ARRAY_SIZE(reset_attempts_names));
 	globalvar_add_simple_bitmask("bootchooser.reset_priorities", &reset_priorities,
diff --git a/common/bootm.c b/common/bootm.c
index 81625d9157..92cfeb6c32 100644
--- a/common/bootm.c
+++ b/common/bootm.c
@@ -668,7 +668,7 @@ static int bootm_init(void)
 	if (IS_ENABLED(CONFIG_BOOTM_FORCE_SIGNED_IMAGES))
 		bootm_verify_mode = BOOTM_VERIFY_SIGNATURE;
 
-	globalvar_add_simple_int("bootm.verbose", &bootm_verbosity, "%u");
+	globalvar_add_simple_uint32("bootm.verbose", &bootm_verbosity, "%u");
 
 	globalvar_add_simple_enum("bootm.verify", (unsigned int *)&bootm_verify_mode,
 				  bootm_verify_names, ARRAY_SIZE(bootm_verify_names));
diff --git a/common/console_common.c b/common/console_common.c
index d051458de4..b36b3ff083 100644
--- a/common/console_common.c
+++ b/common/console_common.c
@@ -148,10 +148,10 @@ int dev_printf(int level, const struct device_d *dev, const char *format, ...)
 static int loglevel_init(void)
 {
 	if (IS_ENABLED(CONFIG_LOGBUF))
-		globalvar_add_simple_int("log_max_messages",
-				&barebox_log_max_messages, "%d");
+		globalvar_add_simple_uint32("log_max_messages",
+				&barebox_log_max_messages, "%u");
 
-	return globalvar_add_simple_int("loglevel", &barebox_loglevel, "%d");
+	return globalvar_add_simple_uint32("loglevel", &barebox_loglevel, "%u");
 }
 device_initcall(loglevel_init);
 
diff --git a/common/globalvar.c b/common/globalvar.c
index 32ca6a24db..2f65ca805f 100644
--- a/common/globalvar.c
+++ b/common/globalvar.c
@@ -424,7 +424,7 @@ int globalvar_add_simple(const char *name, const char *value)
 	return 0;
 }
 
-int globalvar_add_simple_string(const char *name, char **value)
+int __globalvar_add_simple_string(const char *name, char **value)
 {
 	struct param_d *p;
 
@@ -439,28 +439,14 @@ int globalvar_add_simple_string(const char *name, char **value)
 	return 0;
 }
 
-int globalvar_add_simple_int(const char *name, int *value,
-			     const char *format)
+int __globalvar_add_simple_int(const char *name, void *value,
+				      enum param_type type,
+				      const char *format)
 {
 	struct param_d *p;
 
-	p = dev_add_param_int(&global_device, name, NULL, NULL,
-		value, format, NULL);
-
-	if (IS_ERR(p))
-		return PTR_ERR(p);
-
-	globalvar_nv_sync(name);
-
-	return 0;
-}
-
-int globalvar_add_simple_bool(const char *name, int *value)
-{
-	struct param_d *p;
-
-	p = dev_add_param_bool(&global_device, name, NULL, NULL,
-		value, NULL);
+	p = __dev_add_param_int(&global_device, name, NULL, NULL,
+		value, type, format, NULL);
 
 	if (IS_ERR(p))
 		return PTR_ERR(p);
@@ -522,7 +508,7 @@ static int globalvar_init(void)
 	if (IS_ENABLED(CONFIG_NVVAR))
 		register_device(&nv_device);
 
-	globalvar_add_simple("version", UTS_RELEASE);
+	globalvar_add_simple_string_fixed("version", UTS_RELEASE);
 
 	return 0;
 }
diff --git a/common/password.c b/common/password.c
index 74d328f4b2..5e6bfc53e7 100644
--- a/common/password.c
+++ b/common/password.c
@@ -443,7 +443,7 @@ static int login_global_init(void)
 {
 	login_fail_command = xstrdup("boot");
 
-	globalvar_add_simple_int("login.timeout", &login_timeout, "%d");
+	globalvar_add_simple_uint32("login.timeout", &login_timeout, "%u");
 	globalvar_add_simple_string("login.fail_command", &login_fail_command);
 
 	return 0;
diff --git a/common/reset_source.c b/common/reset_source.c
index 06e2ca85f5..e18bf6db68 100644
--- a/common/reset_source.c
+++ b/common/reset_source.c
@@ -54,7 +54,7 @@ EXPORT_SYMBOL(reset_source_set_priority);
 
 static int reset_source_init(void)
 {
-	globalvar_add_simple_enum("system.reset", (unsigned int *)&reset_source,
+	globalvar_add_simple_enum_ro("system.reset", (unsigned int *)&reset_source,
 			reset_src_names, ARRAY_SIZE(reset_src_names));
 
 	return 0;