ACPI processor: remove processor throttling control procfs I/F

[mv-sheeva.git] / drivers / acpi / processor_throttling.c

diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index ff3632717c5140bd7c8692e0055b74681ece037c..4a0eec5dd24afa88eed04505a9a7278bb1167246 100644 (file)
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -32,10 +32,6 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/cpufreq.h>
-#ifdef CONFIG_ACPI_PROCFS
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#endif
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -1216,113 +1212,3 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
        return result;
 }
 
-#ifdef CONFIG_ACPI_PROCFS
-/* proc interface */
-static int acpi_processor_throttling_seq_show(struct seq_file *seq,
-                                             void *offset)
-{
-       struct acpi_processor *pr = seq->private;
-       int i = 0;
-       int result = 0;
-
-       if (!pr)
-               goto end;
-
-       if (!(pr->throttling.state_count > 0)) {
-               seq_puts(seq, "<not supported>\n");
-               goto end;
-       }
-
-       result = acpi_processor_get_throttling(pr);
-
-       if (result) {
-               seq_puts(seq,
-                        "Could not determine current throttling state.\n");
-               goto end;
-       }
-
-       seq_printf(seq, "state count:             %d\n"
-                  "active state:            T%d\n"
-                  "state available: T%d to T%d\n",
-                  pr->throttling.state_count, pr->throttling.state,
-                  pr->throttling_platform_limit,
-                  pr->throttling.state_count - 1);
-
-       seq_puts(seq, "states:\n");
-       if (pr->throttling.acpi_processor_get_throttling ==
-                       acpi_processor_get_throttling_fadt) {
-               for (i = 0; i < pr->throttling.state_count; i++)
-                       seq_printf(seq, "   %cT%d:                  %02d%%\n",
-                                  (i == pr->throttling.state ? '*' : ' '), i,
-                                  (pr->throttling.states[i].performance ? pr->
-                                   throttling.states[i].performance / 10 : 0));
-       } else {
-               for (i = 0; i < pr->throttling.state_count; i++)
-                       seq_printf(seq, "   %cT%d:                  %02d%%\n",
-                                  (i == pr->throttling.state ? '*' : ' '), i,
-                                  (int)pr->throttling.states_tss[i].
-                                  freqpercentage);
-       }
-
-      end:
-       return 0;
-}
-
-static int acpi_processor_throttling_open_fs(struct inode *inode,
-                                            struct file *file)
-{
-       return single_open(file, acpi_processor_throttling_seq_show,
-                          PDE(inode)->data);
-}
-
-static ssize_t acpi_processor_write_throttling(struct file *file,
-                                              const char __user * buffer,
-                                              size_t count, loff_t * data)
-{
-       int result = 0;
-       struct seq_file *m = file->private_data;
-       struct acpi_processor *pr = m->private;
-       char state_string[5] = "";
-       char *charp = NULL;
-       size_t state_val = 0;
-       char tmpbuf[5] = "";
-
-       if (!pr || (count > sizeof(state_string) - 1))
-               return -EINVAL;
-
-       if (copy_from_user(state_string, buffer, count))
-               return -EFAULT;
-
-       state_string[count] = '\0';
-       if ((count > 0) && (state_string[count-1] == '\n'))
-               state_string[count-1] = '\0';
-
-       charp = state_string;
-       if ((state_string[0] == 't') || (state_string[0] == 'T'))
-               charp++;
-
-       state_val = simple_strtoul(charp, NULL, 0);
-       if (state_val >= pr->throttling.state_count)
-               return -EINVAL;
-
-       snprintf(tmpbuf, 5, "%zu", state_val);
-
-       if (strcmp(tmpbuf, charp) != 0)
-               return -EINVAL;
-
-       result = acpi_processor_set_throttling(pr, state_val, false);
-       if (result)
-               return result;
-
-       return count;
-}
-
-const struct file_operations acpi_processor_throttling_fops = {
-       .owner = THIS_MODULE,
-       .open = acpi_processor_throttling_open_fs,
-       .read = seq_read,
-       .write = acpi_processor_write_throttling,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-#endif