[PATCH v2 2/2] xen/console: Better handing of console_timestamps as a boolean_param

[Don Slutz <dslutz@verizon.com>]

In order to handle all the old ways, change to use parse_bool().

Signed-off-by: Don Slutz <dslutz@verizon.com>
---
v2:
     Drop stacked inversions part of patch.


 xen/drivers/char/console.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 2f6c090..4f473e3 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -559,15 +559,25 @@ static int printk_prefix_check(char *p, char **pp)
 
 static void __init parse_console_timestamps(char *s)
 {
-    if ( *s == '\0' || /* Compat for old booleanparam() */
-         !strcmp(s, "date") )
-        opt_con_timestamp_mode = TSM_DATE;
-    else if ( !strcmp(s, "datems") )
-        opt_con_timestamp_mode = TSM_DATE_MS;
-    else if ( !strcmp(s, "boot") )
-        opt_con_timestamp_mode = TSM_BOOT;
-    else if ( !strcmp(s, "none") )
+    switch ( parse_bool(s) )
+    {
+    case 0:
         opt_con_timestamp_mode = TSM_NONE;
+        break;
+    case 1:
+        opt_con_timestamp_mode = TSM_DATE;
+        break;
+    default:
+        if ( *s == '\0' || /* Compat for old booleanparam() */
+             !strcmp(s, "date") )
+            opt_con_timestamp_mode = TSM_DATE;
+        else if ( !strcmp(s, "datems") )
+            opt_con_timestamp_mode = TSM_DATE_MS;
+        else if ( !strcmp(s, "boot") )
+            opt_con_timestamp_mode = TSM_BOOT;
+        else if ( !strcmp(s, "none") )
+            opt_con_timestamp_mode = TSM_NONE;
+    }
 }
 
 static void printk_start_of_line(const char *prefix)
-- 
1.8.4