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powerpc/5xxx: Add common mpc5xxx_get_bus_frequency() function

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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>
This commit is contained in:
Wolfgang Denk
2009-06-17 00:30:22 -06:00
committed by Grant Likely
parent c155ee10c2
commit 87c441e54d
14 changed files with 51 additions and 70 deletions
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5
drivers/serial/mpc52xx_uart.c
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@@ -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 = {