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parisc: cleanup console handling 

* use newly added for_each_console for iterating consoles
* add proper console locking
* do not initialize tmp twice
* no need to declare console_drivers, it's already done in console.h

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jiri Slaby 2010-11-04 16:20:21 +01:00 committed by Greg Kroah-Hartman
parent 23308ba54d
commit 597c606f56
1 changed files with 4 additions and 4 deletions
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8
arch/parisc/kernel/pdc_cons.c
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@ -92,8 +92,6 @@ static int pdc_console_setup(struct console *co, char *options)
static struct timer_list pdc_console_timer;
extern struct console * console_drivers;
static int pdc_console_tty_open(struct tty_struct *tty, struct file *filp)
{
@ -169,11 +167,13 @@ static int __init pdc_console_tty_driver_init(void)
* It is unregistered if the pdc console was not selected as the
* primary console. */
struct console *tmp = console_drivers;
struct console *tmp;
for (tmp = console_drivers; tmp; tmp = tmp->next)
acquire_console_sem();
for_each_console(tmp)
if (tmp == &pdc_cons)
break;
release_console_sem();
if (!tmp) {
printk(KERN_INFO "PDC console driver not registered anymore, not creating %s\n", pdc_cons.name);