Commit 5bda6c0e authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Scott Wood

powerpc/fsl_soc: improve and simplify fsl_get_sys_freq

Use of_property_read_u32 instead of the generic of_get_property to
simplify the code. In addition move the declaration of sysfreq
into fsl_get_sys_freq because it's private to this function.
Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarScott Wood <oss@buserror.net>
parent 00b6cfc4
...@@ -77,13 +77,10 @@ phys_addr_t get_immrbase(void) ...@@ -77,13 +77,10 @@ phys_addr_t get_immrbase(void)
EXPORT_SYMBOL(get_immrbase); EXPORT_SYMBOL(get_immrbase);
static u32 sysfreq = -1;
u32 fsl_get_sys_freq(void) u32 fsl_get_sys_freq(void)
{ {
static u32 sysfreq = -1;
struct device_node *soc; struct device_node *soc;
const u32 *prop;
int size;
if (sysfreq != -1) if (sysfreq != -1)
return sysfreq; return sysfreq;
...@@ -92,12 +89,9 @@ u32 fsl_get_sys_freq(void) ...@@ -92,12 +89,9 @@ u32 fsl_get_sys_freq(void)
if (!soc) if (!soc)
return -1; return -1;
prop = of_get_property(soc, "clock-frequency", &size); of_property_read_u32(soc, "clock-frequency", &sysfreq);
if (!prop || size != sizeof(*prop) || *prop == 0) if (sysfreq == -1 || !sysfreq)
prop = of_get_property(soc, "bus-frequency", &size); of_property_read_u32(soc, "bus-frequency", &sysfreq);
if (prop && size == sizeof(*prop))
sysfreq = *prop;
of_node_put(soc); of_node_put(soc);
return sysfreq; return sysfreq;
......
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