ARM: tegra: power: Set minimum LP2 target residency
[linux-3.10.git] / lib / bust_spinlocks.c
1 /*
2  * lib/bust_spinlocks.c
3  *
4  * Provides a minimal bust_spinlocks for architectures which don't have one of their own.
5  *
6  * bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()
7  * and panic() information from reaching the user.
8  */
9
10 #include <linux/kernel.h>
11 #include <linux/printk.h>
12 #include <linux/spinlock.h>
13 #include <linux/tty.h>
14 #include <linux/wait.h>
15 #include <linux/vt_kern.h>
16 #include <linux/console.h>
17
18
19 void __attribute__((weak)) bust_spinlocks(int yes)
20 {
21         if (yes) {
22                 ++oops_in_progress;
23         } else {
24 #ifdef CONFIG_VT
25                 unblank_screen();
26 #endif
27                 console_unblank();
28                 if (--oops_in_progress == 0)
29                         wake_up_klogd();
30         }
31 }