powerpc/5xxx: Add common mpc5xxx_get_bus_frequency() function

So far, MPC512x used mpc512x_find_ips_freq() to get the bus frequency,
while MPC52xx used mpc52xx_find_ipb_freq().  Despite the different
clock names (IPS vs. IPB) the code was identical.

Use common code for both processor families.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

3 files changed, 1 insertions, 25 deletions

diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 1bcff94eb92..f4c4c6f807d 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -24,7 +24,7 @@
 #include <linux/io.h>
 
 #include <linux/of_platform.h>
-#include <asm/mpc512x.h>
+#include <asm/mpc5xxx.h>
 #include <asm/clk_interface.h>
 
 #undef CLK_DEBUG
diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h
index 9c03693cb00..22a5352407e 100644
--- a/arch/powerpc/platforms/512x/mpc512x.h
+++ b/arch/powerpc/platforms/512x/mpc512x.h
@@ -11,7 +11,6 @@
 
 #ifndef __MPC512X_H__
 #define __MPC512X_H__
-extern unsigned long mpc512x_find_ips_freq(struct device_node *node);
 extern void __init mpc512x_init_IRQ(void);
 void __init mpc512x_declare_of_platform_devices(void);
 #endif                          /* __MPC512X_H__ */
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index d8cd579f319..434d683df5a 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -24,29 +24,6 @@
 
 #include "mpc512x.h"
 
-unsigned long
-mpc512x_find_ips_freq(struct device_node *node)
-{
-        struct device_node *np;
-        const unsigned int *p_ips_freq = NULL;
-
-        of_node_get(node);
-        while (node) {
-                p_ips_freq = of_get_property(node, "bus-frequency", NULL);
-                if (p_ips_freq)
-                        break;
-
-                np = of_get_parent(node);
-                of_node_put(node);
-                node = np;
-        }
-        if (node)
-                of_node_put(node);
-
-        return p_ips_freq ? *p_ips_freq : 0;
-}
-EXPORT_SYMBOL(mpc512x_find_ips_freq);
-
 void __init mpc512x_init_IRQ(void)
 {
         struct device_node *np;