[PATCH] move pm_register/etc. to CONFIG_PM_LEGACY, pm_legacy.h

Since few people need the support anymore, this moves the legacy
pm_xxx functions to CONFIG_PM_LEGACY, and include/linux/pm_legacy.h.

Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/arm/kernel/apm.c

···
 #include <linux/apm_bios.h>
 #include <linux/sched.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/list.h>

arch/frv/kernel/pm.c

···
 #include <linux/config.h>
 #include <linux/init.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/sched.h>
 #include <linux/interrupt.h>
 #include <linux/sysctl.h>

arch/i386/Kconfig

···
 
 config APM
 	tristate "APM (Advanced Power Management) BIOS support"
-	depends on PM
+	depends on PM && PM_LEGACY
 	---help---
 	  APM is a BIOS specification for saving power using several different
 	  techniques. This is mostly useful for battery powered laptops with

arch/i386/kernel/apm.c

···
 #include <linux/time.h>
 #include <linux/sched.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/smp.h>

arch/mips/au1000/common/power.c

···
 #include <linux/config.h>
 #include <linux/init.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/jiffies.h>

drivers/acpi/bus.c

···
 #include <linux/list.h>
 #include <linux/sched.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/device.h>
 #include <linux/proc_fs.h>
 #ifdef CONFIG_X86
···
 	result = acpi_bus_init();
 
 	if (!result) {
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 		if (!PM_IS_ACTIVE())
 			pm_active = 1;
 		else {

drivers/net/3c509.c

···
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/skbuff.h>
 #include <linux/delay.h>	/* for udelay() */
 #include <linux/spinlock.h>
···
 	/* skb send-queue */
 	int head, size;
 	struct sk_buff *queue[SKB_QUEUE_SIZE];
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 	struct pm_dev *pmdev;
 #endif
 	enum {
···
 static void el3_down(struct net_device *dev);
 static void el3_up(struct net_device *dev);
 static struct ethtool_ops ethtool_ops;
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 static int el3_suspend(struct pm_dev *pdev);
 static int el3_resume(struct pm_dev *pdev);
 static int el3_pm_callback(struct pm_dev *pdev, pm_request_t rqst, void *data);
···
 	struct el3_private *lp = netdev_priv(dev);
 
 	(void) lp;				/* Keep gcc quiet... */
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 	if (lp->pmdev)
 		pm_unregister(lp->pmdev);
 #endif
···
 	if (err)
 		goto out1;
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 	/* register power management */
 	lp->pmdev = pm_register(PM_ISA_DEV, card_idx, el3_pm_callback);
 	if (lp->pmdev) {
···
 }
 
 /* Power Management support functions */
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 
 static int
 el3_suspend(struct pm_dev *pdev)
···
 	return 0;
 }
 
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_LEGACY */
 
 /* Parameters that may be passed into the module. */
 static int debug = -1;

drivers/net/irda/ali-ircc.c

···
 #include <asm/byteorder.h>
 
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 
 #include <net/irda/wrapper.h>
 #include <net/irda/irda.h>

drivers/net/irda/nsc-ircc.c

···
 #include <asm/byteorder.h>
 
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 
 #include <net/irda/wrapper.h>
 #include <net/irda/irda.h>

drivers/serial/68328serial.c

···
 #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>
 
···
 	printk("MC68328 serial driver version 1.00\n");
 }
 
-#ifdef CONFIG_PM
+#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 
···
 	struct m68k_serial *info = &m68k_soft[0];
 	startup(info);
 }
-#endif
+#endif /* CONFIG_PM_LEGACY */
 
 
 static struct tty_operations rs_ops = {
···
 			    IRQ_FLG_STD,
 			    "M68328_UART", NULL))
                 panic("Unable to attach 68328 serial interrupt\n");
-#ifdef CONFIG_PM
+#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;

include/linux/pm.h

···
 	struct list_head entry;
 };
 
-#ifdef CONFIG_PM
-
-extern int pm_active;
-
-#define PM_IS_ACTIVE() (pm_active != 0)
-
-/*
- * Register a device with power management
- */
-struct pm_dev __deprecated *
-pm_register(pm_dev_t type, unsigned long id, pm_callback callback);
-
-/*
- * Unregister a device with power management
- */
-void __deprecated pm_unregister(struct pm_dev *dev);
-
-/*
- * Unregister all devices with matching callback
- */
-void __deprecated pm_unregister_all(pm_callback callback);
-
-/*
- * Send a request to all devices
- */
-int __deprecated pm_send_all(pm_request_t rqst, void *data);
-
-#else /* CONFIG_PM */
-
-#define PM_IS_ACTIVE() 0
-
-static inline struct pm_dev *pm_register(pm_dev_t type,
-					 unsigned long id,
-					 pm_callback callback)
-{
-	return NULL;
-}
-
-static inline void pm_unregister(struct pm_dev *dev) {}
-
-static inline void pm_unregister_all(pm_callback callback) {}
-
-static inline int pm_send_all(pm_request_t rqst, void *data)
-{
-	return 0;
-}
-
-#endif /* CONFIG_PM */
-
 /* Functions above this comment are list-based old-style power
  * managment. Please avoid using them.  */
 

include/linux/pm_legacy.h

···
+#ifndef __LINUX_PM_LEGACY_H__
+#define __LINUX_PM_LEGACY_H__
+
+#include <linux/config.h>
+
+#ifdef CONFIG_PM_LEGACY
+
+extern int pm_active;
+
+#define PM_IS_ACTIVE() (pm_active != 0)
+
+/*
+ * Register a device with power management
+ */
+struct pm_dev __deprecated *
+pm_register(pm_dev_t type, unsigned long id, pm_callback callback);
+
+/*
+ * Unregister a device with power management
+ */
+void __deprecated pm_unregister(struct pm_dev *dev);
+
+/*
+ * Unregister all devices with matching callback
+ */
+void __deprecated pm_unregister_all(pm_callback callback);
+
+/*
+ * Send a request to all devices
+ */
+int __deprecated pm_send_all(pm_request_t rqst, void *data);
+
+#else /* CONFIG_PM_LEGACY */
+
+#define PM_IS_ACTIVE() 0
+
+static inline struct pm_dev *pm_register(pm_dev_t type,
+					 unsigned long id,
+					 pm_callback callback)
+{
+	return NULL;
+}
+
+static inline void pm_unregister(struct pm_dev *dev) {}
+
+static inline void pm_unregister_all(pm_callback callback) {}
+
+static inline int pm_send_all(pm_request_t rqst, void *data)
+{
+	return 0;
+}
+
+#endif /* CONFIG_PM_LEGACY */
+
+#endif /* __LINUX_PM_LEGACY_H__ */
+

kernel/power/Kconfig

···
 	  will issue the hlt instruction if nothing is to be done, thereby
 	  sending the processor to sleep and saving power.
 
+config PM_LEGACY
+	bool "Legacy Power Management API"
+	depends on PM
+	default y
+	---help---
+	   Support for pm_register() and friends.
+
+	   If unsure, say Y.
+
 config PM_DEBUG
 	bool "Power Management Debug Support"
 	depends on PM

kernel/power/Makefile

···
 EXTRA_CFLAGS	+=	-DDEBUG
 endif
 
-obj-y				:= main.o process.o console.o pm.o
+obj-y				:= main.o process.o console.o
+obj-$(CONFIG_PM_LEGACY)		+= pm.o
 obj-$(CONFIG_SOFTWARE_SUSPEND)	+= swsusp.o disk.o snapshot.o
 
 obj-$(CONFIG_SUSPEND_SMP)	+= smp.o

kernel/power/pm.c

···
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/interrupt.h>
 
 int pm_active;

sound/oss/ad1848.c

···
 #include <linux/module.h>
 #include <linux/stddef.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/isapnp.h>
 #include <linux/pnp.h>
 #include <linux/spinlock.h>

sound/oss/cs4281/cs4281m.c

···
 	struct cs4281_pipeline pl[CS4281_NUMBER_OF_PIPELINES];
 };
 
+#include <linux/pm_legacy.h>
 #include "cs4281pm-24.c"
 
 #if CSDEBUG

sound/oss/maestro.c

···
 #include <asm/uaccess.h>
 
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 static int maestro_pm_callback(struct pm_dev *dev, pm_request_t rqst, void *d);
 
 #include "maestro.h"

sound/oss/nm256_audio.c

···
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include "sound_config.h"

sound/oss/opl3sa2.c

···
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/pm.h>
+#include <linux/pm_legacy.h>
 #include "sound_config.h"
 
 #include "ad1848.h"
···
 	struct pnp_dev* pdev;
 	int activated;			/* Whether said devices have been activated */
 #endif
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 	unsigned int	in_suspend;
 	struct pm_dev	*pmdev;
 #endif
···
 }
 
 /* Currently only used for power management */
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 static void opl3sa2_mixer_restore(opl3sa2_state_t* devc)
 {
 	if (devc) {
···
 		}
 	}
 }
-#endif
+#endif /* CONFIG_PM_LEGACY */
 
 static inline void arg_to_vol_mono(unsigned int vol, int* value)
 {
···
 
 /* End of component functions */
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
+
 static DEFINE_SPINLOCK(opl3sa2_lock);
 
 /* Power Management support functions */
···
 	}
 	return 0;
 }
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_LEGACY */
 
 /*
  * Install OPL3-SA2 based card(s).
···
 
 		/* ewww =) */
 		opl3sa2_state[card].card = card;
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 		/* register our power management capabilities */
 		opl3sa2_state[card].pmdev = pm_register(PM_ISA_DEV, card, opl3sa2_pm_callback);
 		if (opl3sa2_state[card].pmdev)
 			opl3sa2_state[card].pmdev->data = &opl3sa2_state[card];
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_LEGACY */
 
 		/*
 		 * Set the Yamaha 3D enhancement mode (aka Ymersion) if asked to and
···
 	int card;
 
 	for(card = 0; card < opl3sa2_cards_num; card++) {
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_LEGACY
 		if (opl3sa2_state[card].pmdev)
 			pm_unregister(opl3sa2_state[card].pmdev);
 #endif