linux-kernel - [M68KNOMMU]: remove legacy power managament from 68328 serial driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <200707251207.l6PC7KkE032186@goober>
Date:	Wed, 25 Jul 2007 22:07:20 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	torvalds@...ux-foundation.org
Cc:	gerg@...inux.org, linux-kernel@...r.kernel.org
Subject: [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@...inux.org>
---


diff -Naur linux-2.6.22/drivers/serial/68328serial.c linux-2.6.22-uc0/drivers/serial/68328serial.c
--- linux-2.6.22/drivers/serial/68328serial.c	2007-07-12 15:22:34.000000000 +1000
+++ linux-2.6.22-uc0/drivers/serial/68328serial.c	2007-07-12 15:25:25.000000000 +1000
@@ -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 @@
 	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 @@
 			    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;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/