Blackfin arch: remove hardware PM code, oprofile not use it
[linux-2.6.git] / arch / blackfin / oprofile / common.c
index cf8f488..beace4f 100644 (file)
 
 #include <linux/oprofile.h>
 #include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/errno.h>
-#include <linux/mutex.h>
-#include <linux/ptrace.h>
-#include <linux/irq.h>
-#include <linux/io.h>
 
-#include <asm/system.h>
-#include <asm/blackfin.h>
-
-#include "op_blackfin.h"
-
-#define BFIN_533_ID  0xE5040003
-#define BFIN_537_ID  0xE5040002
-
-static int pfmon_enabled;
-static struct mutex pfmon_lock;
-
-struct op_bfin533_model *model;
-
-struct op_counter_config ctr[OP_MAX_COUNTER];
-
-static int op_bfin_setup(void)
-{
-       int ret;
-
-       /* Pre-compute the values to stuff in the hardware registers.  */
-       spin_lock(&oprofilefs_lock);
-       ret = model->reg_setup(ctr);
-       spin_unlock(&oprofilefs_lock);
-
-       return ret;
-}
-
-static void op_bfin_shutdown(void)
-{
-#if 0
-       /* what is the difference between shutdown and stop? */
-#endif
-}
-
-static int op_bfin_start(void)
-{
-       int ret = -EBUSY;
-
-       printk(KERN_INFO "KSDBG:in %s\n", __func__);
-       mutex_lock(&pfmon_lock);
-       if (!pfmon_enabled) {
-               ret = model->start(ctr);
-               pfmon_enabled = !ret;
-       }
-       mutex_unlock(&pfmon_lock);
-
-       return ret;
-}
-
-static void op_bfin_stop(void)
-{
-       mutex_lock(&pfmon_lock);
-       if (pfmon_enabled) {
-               model->stop();
-               pfmon_enabled = 0;
-       }
-       mutex_unlock(&pfmon_lock);
-}
-
-static int op_bfin_create_files(struct super_block *sb, struct dentry *root)
-{
-       int i;
-
-       for (i = 0; i < model->num_counters; ++i) {
-               struct dentry *dir;
-               char buf[3];
-               printk(KERN_INFO "Oprofile: creating files... \n");
-
-               snprintf(buf, sizeof buf, "%d", i);
-               dir = oprofilefs_mkdir(sb, root, buf);
-
-               oprofilefs_create_ulong(sb, dir, "enabled", &ctr[i].enabled);
-               oprofilefs_create_ulong(sb, dir, "event", &ctr[i].event);
-               oprofilefs_create_ulong(sb, dir, "count", &ctr[i].count);
-               /*
-                * We dont support per counter user/kernel selection, but
-                * we leave the entries because userspace expects them
-                */
-               oprofilefs_create_ulong(sb, dir, "kernel", &ctr[i].kernel);
-               oprofilefs_create_ulong(sb, dir, "user", &ctr[i].user);
-               oprofilefs_create_ulong(sb, dir, "unit_mask",
-                                       &ctr[i].unit_mask);
-       }
-
-       return 0;
-}
 int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
-#ifdef CONFIG_HARDWARE_PM
-       mutex_init(&pfmon_lock);
-
-
-       switch (bfin_read_CHIPID() & CHIPID_MANUFACTURE) {
-       case 0xca:
-               printk(KERN_INFO "Oprofile: cpu vendor is Analog Devices.\n");
-               model = &op_model_bfin533;
-               model->num_counters = 2;
-               break;
-       default:
-               return -ENODEV;
-       }
-
-       ops->cpu_type = model->name;
-       ops->create_files = op_bfin_create_files;
-       ops->setup = op_bfin_setup;
-       ops->shutdown = op_bfin_shutdown;
-       ops->start = op_bfin_start;
-       ops->stop = op_bfin_stop;
-
-       printk(KERN_INFO "oprofile: using %s performance monitoring.\n",
-              ops->cpu_type);
-
-       return 0;
-#else
        return -1;
-#endif
 }
 
 void oprofile_arch_exit(void)