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authorGreg Ungerer <gerg@snapgear.com>2007-07-25 08:07:20 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-25 14:05:01 -0400
commita427138712f388987aa13475bf591685b6b8cd46 (patch)
treea1ae369c488e3b43438ec756225bdfcc417bfbb8 /drivers/serial/68328serial.c
parenta9417357cff6027f9d6b1740f821baa59f2381f4 (diff)
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: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/serial/68328serial.c')
-rw-r--r--drivers/serial/68328serial.c59
1 files changed, 0 insertions, 59 deletions
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index cad426c9711e..151bd9ad3ab2 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -33,7 +33,6 @@
33#include <linux/keyboard.h> 33#include <linux/keyboard.h>
34#include <linux/init.h> 34#include <linux/init.h>
35#include <linux/pm.h> 35#include <linux/pm.h>
36#include <linux/pm_legacy.h>
37#include <linux/bitops.h> 36#include <linux/bitops.h>
38#include <linux/delay.h> 37#include <linux/delay.h>
39 38
@@ -1324,59 +1323,6 @@ static void show_serial_version(void)
1324 printk("MC68328 serial driver version 1.00\n"); 1323 printk("MC68328 serial driver version 1.00\n");
1325} 1324}
1326 1325
1327#ifdef CONFIG_PM_LEGACY
1328/* Serial Power management
1329 * The console (currently fixed at line 0) is a special case for power
1330 * management because the kernel is so chatty. The console will be
1331 * explicitly disabled my our power manager as the last minute, so we won't
1332 * mess with it here.
1333 */
1334static struct pm_dev *serial_pm[NR_PORTS];
1335
1336static int serial_pm_callback(struct pm_dev *dev, pm_request_t request, void *data)
1337{
1338 struct m68k_serial *info = (struct m68k_serial *)dev->data;
1339
1340 if(info == NULL)
1341 return -1;
1342
1343 /* special case for line 0 - pm restores it */
1344 if(info->line == 0)
1345 return 0;
1346
1347 switch (request) {
1348 case PM_SUSPEND:
1349 shutdown(info);
1350 break;
1351
1352 case PM_RESUME:
1353 startup(info);
1354 break;
1355 }
1356 return 0;
1357}
1358
1359void shutdown_console(void)
1360{
1361 struct m68k_serial *info = &m68k_soft[0];
1362
1363 /* HACK: wait a bit for any pending printk's to be dumped */
1364 {
1365 int i = 10000;
1366 while(i--);
1367 }
1368
1369 shutdown(info);
1370}
1371
1372void startup_console(void)
1373{
1374 struct m68k_serial *info = &m68k_soft[0];
1375 startup(info);
1376}
1377#endif /* CONFIG_PM_LEGACY */
1378
1379
1380static const struct tty_operations rs_ops = { 1326static const struct tty_operations rs_ops = {
1381 .open = rs_open, 1327 .open = rs_open,
1382 .close = rs_close, 1328 .close = rs_close,
@@ -1467,11 +1413,6 @@ rs68328_init(void)
1467 IRQ_FLG_STD, 1413 IRQ_FLG_STD,
1468 "M68328_UART", NULL)) 1414 "M68328_UART", NULL))
1469 panic("Unable to attach 68328 serial interrupt\n"); 1415 panic("Unable to attach 68328 serial interrupt\n");
1470#ifdef CONFIG_PM_LEGACY
1471 serial_pm[i] = pm_register(PM_SYS_DEV, PM_SYS_COM, serial_pm_callback);
1472 if (serial_pm[i])
1473 serial_pm[i]->data = info;
1474#endif
1475 } 1416 }
1476 local_irq_restore(flags); 1417 local_irq_restore(flags);
1477 return 0; 1418 return 0;