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authorHauke Mehrtens <hauke@hauke-m.de>2013-10-03 14:17:31 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2013-10-21 23:58:37 +0200
commit64d167437e37538659e08f8cfc5ad995ed488ffc (patch)
treeb3a71d15aedd77866d9602f2e7b3c26eaa00793e /backport
parent0cee4ca79ab7b4ecc29c182f60bc7c9fc9c0d19e (diff)
backports: add tty_port_tty_wakeup()
This is needed by ./net/bluetooth/rfcomm/tty.c Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'backport')
-rw-r--r--backport/backport-include/linux/tty.h4
-rw-r--r--backport/compat/backport-3.10.c19
2 files changed, 23 insertions, 0 deletions
diff --git a/backport/backport-include/linux/tty.h b/backport/backport-include/linux/tty.h
index b1026450..7b57ca1f 100644
--- a/backport/backport-include/linux/tty.h
+++ b/backport/backport-include/linux/tty.h
@@ -48,4 +48,8 @@ extern int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
tty_register_device(driver, index, device)
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
+extern void tty_port_tty_wakeup(struct tty_port *port);
+#endif
+
#endif /* __BACKPORT_LINUX_TTY_H */
diff --git a/backport/compat/backport-3.10.c b/backport/compat/backport-3.10.c
index 5273758e..d8b3bc62 100644
--- a/backport/compat/backport-3.10.c
+++ b/backport/compat/backport-3.10.c
@@ -13,6 +13,7 @@
#include <linux/err.h>
#include <linux/proc_fs.h>
#include <linux/random.h>
+#include <linux/tty.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
#include <linux/init.h>
@@ -90,3 +91,21 @@ unsigned int get_random_int(void)
return r;
}
EXPORT_SYMBOL_GPL(get_random_int);
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
+/**
+ * tty_port_tty_wakeup - helper to wake up a tty
+ *
+ * @port: tty port
+ */
+void tty_port_tty_wakeup(struct tty_port *port)
+{
+ struct tty_struct *tty = tty_port_tty_get(port);
+
+ if (tty) {
+ tty_wakeup(tty);
+ tty_kref_put(tty);
+ }
+}
+EXPORT_SYMBOL_GPL(tty_port_tty_wakeup);
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)) */