powerpc/fsl_soc: improve and simplify get_baudrate

Use of_property_read_u32 instead of the generic of_get_property to
simplify the code. In addition move the declaration of fs_baudrate
into get_baudrate because it's private to this function.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>

diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index ebccf0b..19101f9 100644 (file)
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -136,10 +136,9 @@ u32 get_brgfreq(void)
 
 EXPORT_SYMBOL(get_brgfreq);
 
-static u32 fs_baudrate = -1;
-
 u32 get_baudrate(void)
 {
+       static u32 fs_baudrate = -1;
        struct device_node *node;
 
        if (fs_baudrate != -1)
@@ -147,12 +146,7 @@ u32 get_baudrate(void)
 
        node = of_find_node_by_type(NULL, "serial");
        if (node) {
-               int size;
-               const unsigned int *prop = of_get_property(node,
-                               "current-speed", &size);
-
-               if (prop)
-                       fs_baudrate = *prop;
+               of_property_read_u32(node, "current-speed", &fs_baudrate);
                of_node_put(node);
        }