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path: root/drivers/serial/68328serial.c
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Diffstat (limited to 'drivers/serial/68328serial.c')
-rw-r--r--drivers/serial/68328serial.c71
1 files changed, 6 insertions, 65 deletions
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index cad426c9711..aad4012bbb3 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -33,7 +33,6 @@
#include <linux/keyboard.h>
#include <linux/init.h>
#include <linux/pm.h>
-#include <linux/pm_legacy.h>
#include <linux/bitops.h>
#include <linux/delay.h>
@@ -401,9 +400,9 @@ irqreturn_t rs_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void do_softint(void *private)
+static void do_softint(struct work_struct *work)
{
- struct m68k_serial *info = (struct m68k_serial *) private;
+ struct m68k_serial *info = container_of(work, struct m68k_serial, tqueue);
struct tty_struct *tty;
tty = info->tty;
@@ -425,9 +424,9 @@ static void do_softint(void *private)
* do_serial_hangup() -> tty->hangup() -> rs_hangup()
*
*/
-static void do_serial_hangup(void *private)
+static void do_serial_hangup(struct work_struct *work)
{
- struct m68k_serial *info = (struct m68k_serial *) private;
+ struct m68k_serial *info = container_of(work, struct m68k_serial, tqueue_hangup);
struct tty_struct *tty;
tty = info->tty;
@@ -1324,59 +1323,6 @@ static void show_serial_version(void)
printk("MC68328 serial driver version 1.00\n");
}
-#ifdef CONFIG_PM_LEGACY
-/* Serial Power management
- * The console (currently fixed at line 0) is a special case for power
- * management because the kernel is so chatty. The console will be
- * explicitly disabled my our power manager as the last minute, so we won't
- * mess with it here.
- */
-static struct pm_dev *serial_pm[NR_PORTS];
-
-static int serial_pm_callback(struct pm_dev *dev, pm_request_t request, void *data)
-{
- struct m68k_serial *info = (struct m68k_serial *)dev->data;
-
- if(info == NULL)
- return -1;
-
- /* special case for line 0 - pm restores it */
- if(info->line == 0)
- return 0;
-
- switch (request) {
- case PM_SUSPEND:
- shutdown(info);
- break;
-
- case PM_RESUME:
- startup(info);
- break;
- }
- return 0;
-}
-
-void shutdown_console(void)
-{
- struct m68k_serial *info = &m68k_soft[0];
-
- /* HACK: wait a bit for any pending printk's to be dumped */
- {
- int i = 10000;
- while(i--);
- }
-
- shutdown(info);
-}
-
-void startup_console(void)
-{
- struct m68k_serial *info = &m68k_soft[0];
- startup(info);
-}
-#endif /* CONFIG_PM_LEGACY */
-
-
static const struct tty_operations rs_ops = {
.open = rs_open,
.close = rs_close,
@@ -1444,8 +1390,8 @@ rs68328_init(void)
info->event = 0;
info->count = 0;
info->blocked_open = 0;
- INIT_WORK(&info->tqueue, do_softint, info);
- INIT_WORK(&info->tqueue_hangup, do_serial_hangup, info);
+ INIT_WORK(&info->tqueue, do_softint);
+ INIT_WORK(&info->tqueue_hangup, do_serial_hangup);
init_waitqueue_head(&info->open_wait);
init_waitqueue_head(&info->close_wait);
info->line = i;
@@ -1467,11 +1413,6 @@ rs68328_init(void)
IRQ_FLG_STD,
"M68328_UART", NULL))
panic("Unable to attach 68328 serial interrupt\n");
-#ifdef CONFIG_PM_LEGACY
- serial_pm[i] = pm_register(PM_SYS_DEV, PM_SYS_COM, serial_pm_callback);
- if (serial_pm[i])
- serial_pm[i]->data = info;
-#endif
}
local_irq_restore(flags);
return 0;