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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-08-05 17:10:52 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-08-05 17:10:52 -0400
commit13efdbecc65ef6ec4028551fb223dea5c5e3143c (patch)
tree634a2ce082abe3eb2a5defe0f1ddc2f3eb10f085 /drivers/char
parent61f4a10cb4e9447a85245c63b3e7f46e09299fed (diff)
parent6fd210a9cc398ecbff7bcdbe220651b73b654f56 (diff)
Merge branch 'pm-upstream/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into devel-stable
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/n_tty.c1
-rw-r--r--drivers/char/sysrq.c8
-rw-r--r--drivers/char/tty_buffer.c13
-rw-r--r--drivers/char/vr41xx_giu.c0
4 files changed, 19 insertions, 3 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index ff47907ff1bf..973be2f44195 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -1583,6 +1583,7 @@ static int n_tty_open(struct tty_struct *tty)
1583 1583
1584static inline int input_available_p(struct tty_struct *tty, int amt) 1584static inline int input_available_p(struct tty_struct *tty, int amt)
1585{ 1585{
1586 tty_flush_to_ldisc(tty);
1586 if (tty->icanon) { 1587 if (tty->icanon) {
1587 if (tty->canon_data) 1588 if (tty->canon_data)
1588 return 1; 1589 return 1;
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 0db35857e4d8..5d7a02f63e1c 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -35,7 +35,6 @@
35#include <linux/spinlock.h> 35#include <linux/spinlock.h>
36#include <linux/vt_kern.h> 36#include <linux/vt_kern.h>
37#include <linux/workqueue.h> 37#include <linux/workqueue.h>
38#include <linux/kexec.h>
39#include <linux/hrtimer.h> 38#include <linux/hrtimer.h>
40#include <linux/oom.h> 39#include <linux/oom.h>
41 40
@@ -124,9 +123,12 @@ static struct sysrq_key_op sysrq_unraw_op = {
124static void sysrq_handle_crash(int key, struct tty_struct *tty) 123static void sysrq_handle_crash(int key, struct tty_struct *tty)
125{ 124{
126 char *killer = NULL; 125 char *killer = NULL;
126
127 panic_on_oops = 1; /* force panic */
128 wmb();
127 *killer = 1; 129 *killer = 1;
128} 130}
129static struct sysrq_key_op sysrq_crashdump_op = { 131static struct sysrq_key_op sysrq_crash_op = {
130 .handler = sysrq_handle_crash, 132 .handler = sysrq_handle_crash,
131 .help_msg = "Crash", 133 .help_msg = "Crash",
132 .action_msg = "Trigger a crash", 134 .action_msg = "Trigger a crash",
@@ -401,7 +403,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = {
401 */ 403 */
402 NULL, /* a */ 404 NULL, /* a */
403 &sysrq_reboot_op, /* b */ 405 &sysrq_reboot_op, /* b */
404 &sysrq_crashdump_op, /* c & ibm_emac driver debug */ 406 &sysrq_crash_op, /* c & ibm_emac driver debug */
405 &sysrq_showlocks_op, /* d */ 407 &sysrq_showlocks_op, /* d */
406 &sysrq_term_op, /* e */ 408 &sysrq_term_op, /* e */
407 &sysrq_moom_op, /* f */ 409 &sysrq_moom_op, /* f */
diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c
index 810ee25d66a4..3108991c5c8b 100644
--- a/drivers/char/tty_buffer.c
+++ b/drivers/char/tty_buffer.c
@@ -462,6 +462,19 @@ static void flush_to_ldisc(struct work_struct *work)
462} 462}
463 463
464/** 464/**
465 * tty_flush_to_ldisc
466 * @tty: tty to push
467 *
468 * Push the terminal flip buffers to the line discipline.
469 *
470 * Must not be called from IRQ context.
471 */
472void tty_flush_to_ldisc(struct tty_struct *tty)
473{
474 flush_to_ldisc(&tty->buf.work.work);
475}
476
477/**
465 * tty_flip_buffer_push - terminal 478 * tty_flip_buffer_push - terminal
466 * @tty: tty to push 479 * @tty: tty to push
467 * 480 *
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/drivers/char/vr41xx_giu.c
+++ /dev/null