[PATCH 1/4] globalvar: add set_single function

[Rouven Czerwinski]

Instead of overwriting the whole hierarchy beneath a globalvar, the
set_single function only sets the specific globalvar.

Signed-off-by: Rouven Czerwinski <r.czerwinski at pengutronix.de>
---
 common/globalvar.c  | 11 +++++++++++
 include/globalvar.h |  1 +
 2 files changed, 12 insertions(+)

diff --git a/common/globalvar.c b/common/globalvar.c
index 98a028a68a..848a7d6832 100644
--- a/common/globalvar.c
+++ b/common/globalvar.c
@@ -399,6 +399,17 @@ void globalvar_set_match(const char *match, const char *val)
 	}
 }
 
+void globalvar_set_single(const char *match, const char *val)
+{
+	struct param_d *param;
+
+	list_for_each_entry(param, &global_device.parameters, list) {
+		if (!strncmp(match, param->name, strlen(match))
+		    && strlen(match) == strlen(param->name))
+			dev_set_param(&global_device, param->name, val);
+	}
+}
+
 static int globalvar_simple_set(struct device_d *dev, struct param_d *p, const char *val)
 {
 	struct device_d *rdev;
diff --git a/include/globalvar.h b/include/globalvar.h
index fc85e93e14..ceed020ff4 100644
--- a/include/globalvar.h
+++ b/include/globalvar.h
@@ -15,6 +15,7 @@ int globalvar_add_simple(const char *name, const char *value);
 void globalvar_remove(const char *name);
 char *globalvar_get_match(const char *match, const char *separator);
 void globalvar_set_match(const char *match, const char *val);
+void globalvar_set_single(const char *match, const char *val);
 
 int globalvar_add_simple_string(const char *name, char **value);
 int globalvar_add_simple_int(const char *name, int *value,
-- 
2.28.0