um: get rid of the init_prio mess

make line_setup() act on a separate array of conf strings + default conf,
have lines array initialized explicitly by that data, bury LINE_INIT()
macro from hell.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

1 files changed, 20 insertions, 12 deletions

diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 088776f01908..6d244f470968 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -76,9 +76,9 @@ static struct line_driver driver = {
 /* The array is initialized by line_init, at initcall time.  The
  * elements are locked individually as needed.
  */
-static struct line vts[MAX_TTYS] = { LINE_INIT(CONFIG_CON_ZERO_CHAN, &driver),
-                                     [ 1 ... MAX_TTYS - 1 ] =
-                                     LINE_INIT(CONFIG_CON_CHAN, &driver) };
+static char *vt_conf[MAX_TTYS];
+static char *def_conf;
+static struct line vts[MAX_TTYS];
 
 static int con_config(char *str, char **error_out)
 {
@@ -160,7 +160,22 @@ static struct console stdiocons = {
 static int stdio_init(void)
 {
         char *new_title;
-
+        int i;
+
+        for (i = 0; i < MAX_TTYS; i++) {
+                char *s = vt_conf[i];
+                if (!s)
+                        s = def_conf;
+                if (!s)
+                        s = i ? CONFIG_CON_CHAN : CONFIG_CON_ZERO_CHAN;
+                if (s && strcmp(s, "none") != 0) {
+                        vts[i].init_str = s;
+                        vts[i].valid = 1;
+                }
+                spin_lock_init(&vts[i].lock);
+                spin_lock_init(&vts[i].count_lock);
+                vts[i].driver = &driver;
+        }
         console_driver = register_lines(&driver, &console_ops, vts,
                                         ARRAY_SIZE(vts));
         if (console_driver == NULL)
@@ -189,14 +204,7 @@ __uml_exitcall(console_exit);
 
 static int console_chan_setup(char *str)
 {
-        char *error;
-        int ret;
-
-        ret = line_setup(vts, ARRAY_SIZE(vts), str, &error);
-        if(ret < 0)
-                printk(KERN_ERR "Failed to set up console with "
-                       "configuration string \"%s\" : %s\n", str, error);
-
+        line_setup(vt_conf, MAX_TTYS, &def_conf, str, "console");
         return 1;
 }
 __setup("con", console_chan_setup);