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-rw-r--r--arch/parisc/kernel/setup.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 456087a2350c..b91cb45ffd4e 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -48,6 +48,7 @@ struct proc_dir_entry * proc_mckinley_root __read_mostly = NULL;
void __init setup_cmdline(char **cmdline_p)
{
extern unsigned int boot_args[];
+ char *p;
/* Collect stuff passed in from the boot loader */
@@ -59,6 +60,16 @@ void __init setup_cmdline(char **cmdline_p)
strscpy(boot_command_line, (char *)__va(boot_args[1]),
COMMAND_LINE_SIZE);
+ /* autodetect console type (if not done by palo yet) */
+ p = boot_command_line;
+ if (!str_has_prefix(p, "console=") && !strstr(p, " console=")) {
+ strlcat(p, " console=", COMMAND_LINE_SIZE);
+ if (PAGE0->mem_cons.cl_class == CL_DUPLEX)
+ strlcat(p, "ttyS0", COMMAND_LINE_SIZE);
+ else
+ strlcat(p, "tty0", COMMAND_LINE_SIZE);
+ }
+
#ifdef CONFIG_BLK_DEV_INITRD
if (boot_args[2] != 0) /* did palo pass us a ramdisk? */
{