X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fparisc%2Fpower.c;h=97e9dc066f95fc278cbc34bc1e49753bbf2f431d;hb=refs%2Fheads%2Fvserver;hp=d097e7ecdf8eaaf2ffec4f323d0ce7888f543b0d;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c
index d097e7ecd..97e9dc066 100644
--- a/drivers/parisc/power.c
+++ b/drivers/parisc/power.c
@@ -1,8 +1,8 @@
 /*
- * linux/arch/parisc/kernel/power.c
+ * linux/drivers/parisc/power.c
  * HP PARISC soft power switch support driver
  *
- * Copyright (c) 2001-2002 Helge Deller <deller@gmx.de>
+ * Copyright (c) 2001-2005 Helge Deller <deller@gmx.de>
  * All rights reserved.
  *
  *
@@ -35,7 +35,6 @@
  *  runtime through the "/proc/sys/kernel/power" procfs entry.
  */ 
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -47,7 +46,6 @@
 #include <linux/workqueue.h>
 
 #include <asm/pdc.h>
-#include <asm/irq.h>
 #include <asm/io.h>
 #include <asm/led.h>
 #include <asm/uaccess.h>
@@ -86,8 +84,7 @@
 
 static void deferred_poweroff(void *dummy)
 {
-	extern int cad_pid;	/* from kernel/sys.c */
-	if (kill_proc(cad_pid, SIGINT, 1)) {
+	if (kill_cad_pid(SIGINT, 1)) {
 		/* just in case killing init process failed */
 		machine_power_off();
 	}
@@ -103,7 +100,7 @@ static DECLARE_WORK(poweroff_work, deferred_poweroff, NULL);
 
 static void poweroff(void)
 {
-	static int powering_off;
+	static int powering_off __read_mostly;
 
 	if (powering_off)
 		return;
@@ -114,7 +111,7 @@ static void poweroff(void)
 
 
 /* local time-counter for shutdown */
-static int shutdown_timer;
+static int shutdown_timer __read_mostly;
 
 /* check, give feedback and start shutdown after one second */
 static void process_shutdown(void)
@@ -126,11 +123,11 @@ static void process_shutdown(void)
 	
 	/* wait until the button was pressed for 1 second */
 	if (shutdown_timer == HZ) {
+#if defined (DEBUG) || defined(CONFIG_CHASSIS_LCD_LED)
 		static char msg[] = "Shutting down...";
+#endif
 		DPRINTK(KERN_INFO "%s\n", msg);
-#ifdef CONFIG_CHASSIS_LCD_LED
 		lcd_print(msg);
-#endif
 		poweroff();
 	}
 }
@@ -140,7 +137,7 @@ static void process_shutdown(void)
 DECLARE_TASKLET_DISABLED(power_tasklet, NULL, 0);
 
 /* soft power switch enabled/disabled */
-int pwrsw_enabled = 1;
+int pwrsw_enabled __read_mostly = 1;
 
 /*
  * On gecko style machines (e.g. 712/xx and 715/xx) 
@@ -150,7 +147,7 @@ int pwrsw_enabled = 1;
  */
 static void gecko_tasklet_func(unsigned long unused)
 {
-	if (!pwrsw_enabled)
+	if (unlikely(!pwrsw_enabled))
 		return;
 
 	if (__getDIAG(25) & 0x80000000) {
@@ -174,7 +171,7 @@ static void polling_tasklet_func(unsigned long soft_power_reg)
 {
         unsigned long current_status;
 	
-	if (!pwrsw_enabled)
+	if (unlikely(!pwrsw_enabled))
 		return;
 
 	current_status = gsc_readl(soft_power_reg);
@@ -191,7 +188,7 @@ static void polling_tasklet_func(unsigned long soft_power_reg)
  * powerfail interruption handler (irq IRQ_FROM_REGION(CPU_IRQ_REGION)+2) 
  */
 #if 0
-static void powerfail_interrupt(int code, void *x, struct pt_regs *regs)
+static void powerfail_interrupt(int code, void *x)
 {
 	printk(KERN_CRIT "POWERFAIL INTERRUPTION !\n");
 	poweroff();
@@ -252,7 +249,8 @@ static int __init power_init(void)
 	}
 
 	/* Register a call for panic conditions. */
-	notifier_chain_register(&panic_notifier_list, &parisc_panic_block);
+	atomic_notifier_chain_register(&panic_notifier_list,
+			&parisc_panic_block);
 
 	tasklet_enable(&power_tasklet);
 
@@ -265,7 +263,8 @@ static void __exit power_exit(void)
 		return;
 
 	tasklet_disable(&power_tasklet);
-	notifier_chain_unregister(&panic_notifier_list, &parisc_panic_block);
+	atomic_notifier_chain_unregister(&panic_notifier_list,
+			&parisc_panic_block);
 	power_tasklet.func = NULL;
 	pdc_soft_power_button(0);
 }