hvc_console: Provide (un)locked version for hvc_resize()

[deliverable/linux.git] / drivers / char / hvc_console.h

diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index 3c85d78c975c1f803278132d8c77fb2ddfd3eb56..10950ca706d8d9dfe31ca0012b5415aababb5192 100644 (file)
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -28,6 +28,7 @@
 #define HVC_CONSOLE_H
 #include <linux/kref.h>
 #include <linux/tty.h>
+#include <linux/spinlock.h>
 
 /*
  * This is the max number of console adapters that can/will be found as
@@ -88,7 +89,16 @@ int hvc_poll(struct hvc_struct *hp);
 void hvc_kick(void);
 
 /* Resize hvc tty terminal window */
-extern void hvc_resize(struct hvc_struct *hp, struct winsize ws);
+extern void __hvc_resize(struct hvc_struct *hp, struct winsize ws);
+
+static inline void hvc_resize(struct hvc_struct *hp, struct winsize ws)
+{
+       unsigned long flags;
+
+       spin_lock_irqsave(&hp->lock, flags);
+       __hvc_resize(hp, ws);
+       spin_unlock_irqrestore(&hp->lock, flags);
+}
 
 /* default notifier for irq based notification */
 extern int notifier_add_irq(struct hvc_struct *hp, int data);