1 files changed, 8 insertions, 3 deletions

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 4288bfa12c3f..a9f387ea83b0 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -174,7 +174,7 @@ EXPORT_SYMBOL(register_clocksource);
  * reselect_clocksource - Rescan list for next clocksource
  *
  * A quick helper function to be used if a clocksource changes its
- * rating. Forces the clocksource list to be re-scaned for the best
+ * rating. Forces the clocksource list to be re-scanned for the best
  * clocksource.
  */
 void reselect_clocksource(void)
@@ -336,8 +336,13 @@ __setup("clocksource=", boot_override_clocksource);
  */
 static int __init boot_override_clock(char* str)
 {
-        printk("Warning! clock= boot option is deprecated.\n");
-
+        if (!strcmp(str, "pmtmr")) {
+                printk("Warning: clock=pmtmr is deprecated. "
+                        "Use clocksource=acpi_pm.\n");
+                return boot_override_clocksource("acpi_pm");
+        }
+        printk("Warning! clock= boot option is deprecated. "
+                "Use clocksource=xyz\n");
         return boot_override_clocksource(str);
 }