Commit 37a801c7 authored by Michael Neuling's avatar Michael Neuling Committed by Paul Mackerras

[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: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent b8c7b976
......@@ -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");
}
......
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