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>

6 files changed, 7 insertions, 8 deletions

diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 68d27bc70d06..2bc2dbe30e8f 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -694,7 +694,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
         struct bcom_task *dmatsk = NULL;
 
         /* Get ipb frequency */
-        ipb_freq = mpc52xx_find_ipb_freq(op->node);
+        ipb_freq = mpc5xxx_get_bus_frequency(op->node);
         if (!ipb_freq) {
                 dev_err(&op->dev, "could not determine IPB bus frequency\n");
                 return -ENODEV;
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index dd778d7ae047..d325e86e3103 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -197,7 +197,7 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
                 return -EINVAL;
 
         /* Determine divider value */
-        divider = mpc52xx_find_ipb_freq(node) / clock;
+        divider = mpc5xxx_get_bus_frequency(node) / clock;
 
         /*
          * We want to choose an FDR/DFSR that generates an I2C bus speed that
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 8bbe7f617994..5ddf03325d16 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -1006,7 +1006,7 @@ mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match)
         priv->phy_addr = FEC5200_PHYADDR_NONE;
         priv->speed = 100;
         priv->duplex = DUPLEX_HALF;
-        priv->phy_speed = ((mpc52xx_find_ipb_freq(op->node) >> 20) / 5) << 1;
+        priv->phy_speed = ((mpc5xxx_get_bus_frequency(op->node) >> 20) / 5) << 1;
 
         /* the 7-wire property means don't use MII mode */
         if (of_find_property(op->node, "fsl,7-wire-mode", NULL))
diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c
index dd9bfa42ac34..176e9b8d7101 100644
--- a/drivers/net/fec_mpc52xx_phy.c
+++ b/drivers/net/fec_mpc52xx_phy.c
@@ -120,7 +120,7 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of,
 
         /* set MII speed */
         out_be32(&priv->regs->mii_speed,
-                ((mpc52xx_find_ipb_freq(of->node) >> 20) / 5) << 1);
+                ((mpc5xxx_get_bus_frequency(of->node) >> 20) / 5) << 1);
 
         err = mdiobus_register(bus);
         if (err)
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index b3feb6198d57..abbd146c50d9 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -76,7 +76,6 @@
 #include <linux/of_platform.h>
 
 #include <asm/mpc52xx.h>
-#include <asm/mpc512x.h>
 #include <asm/mpc52xx_psc.h>
 
 #if defined(CONFIG_SERIAL_MPC52xx_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
@@ -254,7 +253,7 @@ static unsigned long mpc52xx_getuartclk(void *p)
          * but the generic serial code assumes 16
          * so return ipb freq / 2
          */
-        return mpc52xx_find_ipb_freq(p) / 2;
+        return mpc5xxx_get_bus_frequency(p) / 2;
 }
 
 static struct psc_ops mpc52xx_psc_ops = {
@@ -391,7 +390,7 @@ static void mpc512x_psc_cw_restore_ints(struct uart_port *port)
 
 static unsigned long mpc512x_getuartclk(void *p)
 {
-        return mpc512x_find_ips_freq(p);
+        return mpc5xxx_get_bus_frequency(p);
 }
 
 static struct psc_ops mpc512x_psc_ops = {
diff --git a/drivers/watchdog/mpc5200_wdt.c b/drivers/watchdog/mpc5200_wdt.c
index 465fe36adad4..fa9c47ce0ae7 100644
--- a/drivers/watchdog/mpc5200_wdt.c
+++ b/drivers/watchdog/mpc5200_wdt.c
@@ -188,7 +188,7 @@ static int mpc5200_wdt_probe(struct of_device *op,
         if (!wdt)
                 return -ENOMEM;
 
-        wdt->ipb_freq = mpc52xx_find_ipb_freq(op->node);
+        wdt->ipb_freq = mpc5xxx_get_bus_frequency(op->node);
 
         err = of_address_to_resource(op->node, 0, &wdt->mem);
         if (err)