ACPI processor: remove deprecated ACPI procfs I/F
Remove deprecated ACPI processor procfs I/F, including: /proc/acpi/processor/CPUX/power /proc/acpi/processor/CPUX/limit /proc/acpi/processor/CPUX/info /proc/acpi/processor/CPUX/throttling still exists, as we don't have sysfs I/F available for now. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@@ -30,8 +30,6 @@
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/cpufreq.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/sysdev.h>
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#include <asm/uaccess.h>
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@@ -438,84 +436,3 @@ struct thermal_cooling_device_ops processor_cooling_ops = {
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.get_cur_state = processor_get_cur_state,
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.set_cur_state = processor_set_cur_state,
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};
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/* /proc interface */
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#ifdef CONFIG_ACPI_PROCFS
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static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset)
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{
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struct acpi_processor *pr = seq->private;
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if (!pr)
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goto end;
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if (!pr->flags.limit) {
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seq_puts(seq, "<not supported>\n");
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goto end;
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}
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seq_printf(seq, "active limit: P%d:T%d\n"
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"user limit: P%d:T%d\n"
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"thermal limit: P%d:T%d\n",
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pr->limit.state.px, pr->limit.state.tx,
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pr->limit.user.px, pr->limit.user.tx,
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pr->limit.thermal.px, pr->limit.thermal.tx);
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end:
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return 0;
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}
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static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file)
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{
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return single_open(file, acpi_processor_limit_seq_show,
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PDE(inode)->data);
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}
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static ssize_t acpi_processor_write_limit(struct file * file,
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const char __user * buffer,
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size_t count, loff_t * data)
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{
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int result = 0;
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struct seq_file *m = file->private_data;
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struct acpi_processor *pr = m->private;
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char limit_string[25] = { '\0' };
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int px = 0;
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int tx = 0;
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if (!pr || (count > sizeof(limit_string) - 1)) {
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return -EINVAL;
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}
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if (copy_from_user(limit_string, buffer, count)) {
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return -EFAULT;
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}
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limit_string[count] = '\0';
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if (sscanf(limit_string, "%d:%d", &px, &tx) != 2) {
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printk(KERN_ERR PREFIX "Invalid data format\n");
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return -EINVAL;
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}
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if (pr->flags.throttling) {
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if ((tx < 0) || (tx > (pr->throttling.state_count - 1))) {
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printk(KERN_ERR PREFIX "Invalid tx\n");
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return -EINVAL;
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}
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pr->limit.user.tx = tx;
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}
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result = acpi_processor_apply_limit(pr);
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return count;
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}
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const struct file_operations acpi_processor_limit_fops = {
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.owner = THIS_MODULE,
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.open = acpi_processor_limit_open_fs,
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.read = seq_read,
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.write = acpi_processor_write_limit,
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.llseek = seq_lseek,
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.release = single_release,
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};
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#endif
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