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authorKevin Cernekee <cernekee@gmail.com>2014-11-12 12:54:01 -0800
committerAlex Shi <alex.shi@linaro.org>2015-12-16 15:29:10 +0800
commit8140cee50a147187e4280f495f4e97fbc54e908a (patch)
tree2b4fb425cffe1dee2a658212f5ddc9a048b62cf8
parenta1b254b6481389d3a9835d51cf435e764b8cebe5 (diff)
of: Change of_device_is_available() to return bool
This function can only return true or false; using a bool makes it more obvious to the reader. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Grant Likely <grant.likely@linaro.org> (cherry picked from commit 53a4ab96c61a34d62717b1481f6043e0b4338d74) Signed-off-by: Alex Shi <alex.shi@linaro.org>
-rw-r--r--drivers/of/base.c22
-rw-r--r--include/linux/of.h6
2 files changed, 14 insertions, 14 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 210c876ea579..1ac7a31522ef 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -522,27 +522,27 @@ EXPORT_SYMBOL(of_machine_is_compatible);
*
* @device: Node to check for availability, with locks already held
*
- * Returns 1 if the status property is absent or set to "okay" or "ok",
- * 0 otherwise
+ * Returns true if the status property is absent or set to "okay" or "ok",
+ * false otherwise
*/
-static int __of_device_is_available(const struct device_node *device)
+static bool __of_device_is_available(const struct device_node *device)
{
const char *status;
int statlen;
if (!device)
- return 0;
+ return false;
status = __of_get_property(device, "status", &statlen);
if (status == NULL)
- return 1;
+ return true;
if (statlen > 0) {
if (!strcmp(status, "okay") || !strcmp(status, "ok"))
- return 1;
+ return true;
}
- return 0;
+ return false;
}
/**
@@ -550,13 +550,13 @@ static int __of_device_is_available(const struct device_node *device)
*
* @device: Node to check for availability
*
- * Returns 1 if the status property is absent or set to "okay" or "ok",
- * 0 otherwise
+ * Returns true if the status property is absent or set to "okay" or "ok",
+ * false otherwise
*/
-int of_device_is_available(const struct device_node *device)
+bool of_device_is_available(const struct device_node *device)
{
unsigned long flags;
- int res;
+ bool res;
raw_spin_lock_irqsave(&devtree_lock, flags);
res = __of_device_is_available(device);
diff --git a/include/linux/of.h b/include/linux/of.h
index e947d64dd594..6c04a155e998 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -280,7 +280,7 @@ extern int of_property_read_string_helper(struct device_node *np,
const char **out_strs, size_t sz, int index);
extern int of_device_is_compatible(const struct device_node *device,
const char *);
-extern int of_device_is_available(const struct device_node *device);
+extern bool of_device_is_available(const struct device_node *device);
extern const void *of_get_property(const struct device_node *node,
const char *name,
int *lenp);
@@ -431,9 +431,9 @@ static inline int of_device_is_compatible(const struct device_node *device,
return 0;
}
-static inline int of_device_is_available(const struct device_node *device)
+static inline bool of_device_is_available(const struct device_node *device)
{
- return 0;
+ return false;
}
static inline struct property *of_find_property(const struct device_node *np,