aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/legacy_serial.c
diff options
context:
space:
mode:
authorMichael Neuling <mikey@neuling.org>2006-03-26 10:07:35 +1000
committerPaul Mackerras <paulus@samba.org>2006-03-27 14:48:54 +1100
commit37a801c776109dce801875b12525a9eaa12481e6 (patch)
tree80049af133cfb0d9a9b3dc1e519de958fc08268c /arch/powerpc/kernel/legacy_serial.c
parentb8c7b976a570aede21327e7d64781801e1641606 (diff)
[PATCH] powerpc: legacy_serial loop cleanup
We only ever execute the loop once, so let's move it to a function making it more readable. Cleanup patch, no functional change. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/legacy_serial.c')
-rw-r--r--arch/powerpc/kernel/legacy_serial.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 09d9c825fa9..6e67b5b49ba 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -236,6 +236,23 @@ static int __init add_legacy_pci_port(struct device_node *np,
}
#endif
+static void __init setup_legacy_serial_console(int console)
+{
+ struct legacy_serial_info *info =
+ &legacy_serial_infos[console];
+ void __iomem *addr;
+
+ if (info->taddr == 0)
+ return;
+ addr = ioremap(info->taddr, 0x1000);
+ if (addr == NULL)
+ return;
+ if (info->speed == 0)
+ info->speed = udbg_probe_uart_speed(addr, info->clock);
+ DBG("default console speed = %d\n", info->speed);
+ udbg_init_uart(addr, info->speed, info->clock);
+}
+
/*
* This is called very early, as part of setup_system() or eventually
* setup_arch(), basically before anything else in this file. This function
@@ -318,25 +335,8 @@ void __init find_legacy_serial_ports(void)
#endif
DBG("legacy_serial_console = %d\n", legacy_serial_console);
-
- /* udbg is 64 bits only for now, that will change soon though ... */
- while (legacy_serial_console >= 0) {
- struct legacy_serial_info *info =
- &legacy_serial_infos[legacy_serial_console];
- void __iomem *addr;
-
- if (info->taddr == 0)
- break;
- addr = ioremap(info->taddr, 0x1000);
- if (addr == NULL)
- break;
- if (info->speed == 0)
- info->speed = udbg_probe_uart_speed(addr, info->clock);
- DBG("default console speed = %d\n", info->speed);
- udbg_init_uart(addr, info->speed, info->clock);
- break;
- }
-
+ if (legacy_serial_console >= 0)
+ setup_legacy_serial_console(legacy_serial_console);
DBG(" <- find_legacy_serial_port()\n");
}