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Commit a4271387 authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds
Browse files

m68knommu: remove legacy power managament from 68328 serial driver 



Remove the legacy power management code from the 68328 serial driver.
It is not used, and there is no current kernel support for power
management on the 68328.

Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a9417357

drivers/serial/68328serial.c

+0 −59
Original line number Diff line number Diff line
@@ -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>
@@ -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,
@@ -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;