2 files changed, 4 insertions, 0 deletions

diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c
index 47341aa208f2..88238638aee6 100644
--- a/arch/parisc/kernel/pdc_cons.c
+++ b/arch/parisc/kernel/pdc_cons.c
@@ -202,6 +202,7 @@ static int __init pdc_console_tty_driver_init(void)
         pdc_console_tty_driver->flags = TTY_DRIVER_REAL_RAW |
                 TTY_DRIVER_RESET_TERMIOS;
         tty_set_operations(pdc_console_tty_driver, &pdc_console_tty_ops);
+        tty_port_link_device(&tty_port, pdc_console_tty_driver, 0);
 
         err = tty_register_driver(pdc_console_tty_driver);
         if (err) {
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 2c05a9292a81..8c6b6b6561f0 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -48,6 +48,7 @@
 #include <linux/unistd.h>
 #include <linux/kallsyms.h>
 #include <linux/uaccess.h>
+#include <linux/rcupdate.h>
 
 #include <asm/io.h>
 #include <asm/asm-offsets.h>
@@ -69,8 +70,10 @@ void cpu_idle(void)
 
         /* endless idle loop with no priority at all */
         while (1) {
+                rcu_idle_enter();
                 while (!need_resched())
                         barrier();
+                rcu_idle_exit();
                 schedule_preempt_disabled();
                 check_pgt_cache();
         }