// SPDX-License-Identifier: GPL-2.0-only
/* Copyright(c) 2023 Intel Corporation */
#include <linux/debugfs.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include "adf_accel_devices.h"
#include "adf_pm_dbgfs.h"
static ssize_t pm_status_read(struct file *f, char __user *buf, size_t count,
loff_t *pos)
{
struct adf_accel_dev *accel_dev = file_inode(f)->i_private;
struct adf_pm pm = accel_dev->power_management;
if (pm.print_pm_status)
return pm.print_pm_status(accel_dev, buf, count, pos);
return count;
}
static const struct file_operations pm_status_fops = {
.owner = THIS_MODULE,
.read = pm_status_read,
};
void adf_pm_dbgfs_add(struct adf_accel_dev *accel_dev)
{
struct adf_pm *pm = &accel_dev->power_management;
if (!pm->present || !pm->print_pm_status)
return ;
pm->debugfs_pm_status = debugfs_create_file("pm_status" , 0400,
accel_dev->debugfs_dir,
accel_dev, &pm_status_fops);
}
void adf_pm_dbgfs_rm(struct adf_accel_dev *accel_dev)
{
struct adf_pm *pm = &accel_dev->power_management;
if (!pm->present)
return ;
debugfs_remove(pm->debugfs_pm_status);
pm->debugfs_pm_status = NULL;
}
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