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pxafb: do console locking before calling fb_blank() 

Otherwise we hit WARN_CONSOLE_UNLOCKED in do_unblank_screen

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Vasily Khoruzhick 2012-02-26 16:52:02 +03:00 committed by Florian Tobias Schandinat
parent d282e4d935
commit 23f1365677
1 changed files with 5 additions and 1 deletions
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6
drivers/video/pxafb.c
View File

@ -54,6 +54,7 @@
#include <linux/mutex.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/console.h>
#include <mach/hardware.h>
#include <asm/io.h>
@ -730,9 +731,12 @@ static int overlayfb_open(struct fb_info *info, int user)
if (user == 0)
return -ENODEV;
if (ofb->usage++ == 0)
if (ofb->usage++ == 0) {
/* unblank the base framebuffer */
console_lock();
fb_blank(&ofb->fbi->fb, FB_BLANK_UNBLANK);
console_unlock();
}
return 0;
}