735 lines
18 KiB
C
735 lines
18 KiB
C
/* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/err.h>
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#include <linux/seq_file.h>
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#include <linux/debugfs.h>
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#include "main.h"
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#include "debug.h"
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#include "pci.h"
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void *cnss_ipc_log_context;
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static int cnss_pin_connect_show(struct seq_file *s, void *data)
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{
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struct cnss_plat_data *cnss_priv = s->private;
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seq_puts(s, "Pin connect results\n");
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seq_printf(s, "FW power pin result: %04x\n",
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cnss_priv->pin_result.fw_pwr_pin_result);
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seq_printf(s, "FW PHY IO pin result: %04x\n",
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cnss_priv->pin_result.fw_phy_io_pin_result);
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seq_printf(s, "FW RF pin result: %04x\n",
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cnss_priv->pin_result.fw_rf_pin_result);
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seq_printf(s, "Host pin result: %04x\n",
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cnss_priv->pin_result.host_pin_result);
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seq_puts(s, "\n");
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return 0;
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}
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static int cnss_pin_connect_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cnss_pin_connect_show, inode->i_private);
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}
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static const struct file_operations cnss_pin_connect_fops = {
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.read = seq_read,
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.release = single_release,
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.open = cnss_pin_connect_open,
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.owner = THIS_MODULE,
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.llseek = seq_lseek,
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};
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static int cnss_stats_show_state(struct seq_file *s,
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struct cnss_plat_data *plat_priv)
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{
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enum cnss_driver_state i;
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int skip = 0;
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unsigned long state;
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seq_printf(s, "\nState: 0x%lx(", plat_priv->driver_state);
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for (i = 0, state = plat_priv->driver_state; state != 0;
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state >>= 1, i++) {
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if (!(state & 0x1))
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continue;
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if (skip++)
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seq_puts(s, " | ");
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switch (i) {
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case CNSS_QMI_WLFW_CONNECTED:
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seq_puts(s, "QMI_WLFW_CONNECTED");
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continue;
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case CNSS_FW_MEM_READY:
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seq_puts(s, "FW_MEM_READY");
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continue;
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case CNSS_FW_READY:
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seq_puts(s, "FW_READY");
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continue;
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case CNSS_COLD_BOOT_CAL:
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seq_puts(s, "COLD_BOOT_CAL");
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continue;
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case CNSS_DRIVER_LOADING:
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seq_puts(s, "DRIVER_LOADING");
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continue;
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case CNSS_DRIVER_UNLOADING:
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seq_puts(s, "DRIVER_UNLOADING");
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continue;
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case CNSS_DRIVER_IDLE_RESTART:
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seq_puts(s, "IDLE_RESTART");
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continue;
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case CNSS_DRIVER_IDLE_SHUTDOWN:
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seq_puts(s, "IDLE_SHUTDOWN");
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continue;
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case CNSS_DRIVER_PROBED:
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seq_puts(s, "DRIVER_PROBED");
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continue;
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case CNSS_DRIVER_RECOVERY:
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seq_puts(s, "DRIVER_RECOVERY");
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continue;
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case CNSS_FW_BOOT_RECOVERY:
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seq_puts(s, "FW_BOOT_RECOVERY");
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continue;
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case CNSS_DEV_ERR_NOTIFY:
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seq_puts(s, "DEV_ERR");
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continue;
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case CNSS_DRIVER_DEBUG:
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seq_puts(s, "DRIVER_DEBUG");
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continue;
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case CNSS_IN_SUSPEND_RESUME:
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seq_puts(s, "IN_SUSPEND_RESUME");
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continue;
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}
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seq_printf(s, "UNKNOWN-%d", i);
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}
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seq_puts(s, ")\n");
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return 0;
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}
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static int cnss_stats_show(struct seq_file *s, void *data)
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{
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struct cnss_plat_data *plat_priv = s->private;
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cnss_stats_show_state(s, plat_priv);
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return 0;
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}
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static int cnss_stats_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cnss_stats_show, inode->i_private);
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}
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static const struct file_operations cnss_stats_fops = {
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.read = seq_read,
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.release = single_release,
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.open = cnss_stats_open,
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.owner = THIS_MODULE,
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.llseek = seq_lseek,
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};
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static ssize_t cnss_dev_boot_debug_write(struct file *fp,
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const char __user *user_buf,
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size_t count, loff_t *off)
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{
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struct cnss_plat_data *plat_priv =
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((struct seq_file *)fp->private_data)->private;
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struct cnss_pci_data *pci_priv;
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char buf[64];
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char *cmd;
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unsigned int len = 0;
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int ret = 0;
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if (!plat_priv)
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return -ENODEV;
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pci_priv = plat_priv->bus_priv;
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if (!pci_priv)
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return -ENODEV;
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len = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, len))
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return -EFAULT;
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buf[len] = '\0';
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cmd = buf;
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if (sysfs_streq(cmd, "on")) {
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ret = cnss_power_on_device(plat_priv);
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} else if (sysfs_streq(cmd, "off")) {
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cnss_power_off_device(plat_priv);
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} else if (sysfs_streq(cmd, "enumerate")) {
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ret = cnss_pci_init(plat_priv);
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} else if (sysfs_streq(cmd, "download")) {
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set_bit(CNSS_DRIVER_DEBUG, &plat_priv->driver_state);
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ret = cnss_pci_start_mhi(pci_priv);
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} else if (sysfs_streq(cmd, "linkup")) {
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ret = cnss_resume_pci_link(pci_priv);
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} else if (sysfs_streq(cmd, "linkdown")) {
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ret = cnss_suspend_pci_link(pci_priv);
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} else if (sysfs_streq(cmd, "powerup")) {
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set_bit(CNSS_DRIVER_DEBUG, &plat_priv->driver_state);
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ret = cnss_driver_event_post(plat_priv,
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CNSS_DRIVER_EVENT_POWER_UP,
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CNSS_EVENT_SYNC, NULL);
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} else if (sysfs_streq(cmd, "shutdown")) {
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ret = cnss_driver_event_post(plat_priv,
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CNSS_DRIVER_EVENT_POWER_DOWN,
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0, NULL);
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clear_bit(CNSS_DRIVER_DEBUG, &plat_priv->driver_state);
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} else if (sysfs_streq(cmd, "assert")) {
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ret = cnss_force_fw_assert(&pci_priv->pci_dev->dev);
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} else {
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cnss_pr_err("Device boot debugfs command is invalid\n");
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ret = -EINVAL;
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}
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if (ret)
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return ret;
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return count;
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}
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static int cnss_dev_boot_debug_show(struct seq_file *s, void *data)
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{
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seq_puts(s, "\nUsage: echo <action> > <debugfs_path>/cnss/dev_boot\n");
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seq_puts(s, "<action> can be one of below:\n");
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seq_puts(s, "on: turn on device power, assert WLAN_EN\n");
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seq_puts(s, "off: de-assert WLAN_EN, turn off device power\n");
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seq_puts(s, "enumerate: de-assert PERST, enumerate PCIe\n");
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seq_puts(s, "download: download FW and do QMI handshake with FW\n");
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seq_puts(s, "linkup: bring up PCIe link\n");
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seq_puts(s, "linkdown: bring down PCIe link\n");
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seq_puts(s, "powerup: full power on sequence to boot device, download FW and do QMI handshake with FW\n");
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seq_puts(s, "shutdown: full power off sequence to shutdown device\n");
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seq_puts(s, "assert: trigger firmware assert\n");
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return 0;
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}
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static int cnss_dev_boot_debug_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cnss_dev_boot_debug_show, inode->i_private);
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}
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static const struct file_operations cnss_dev_boot_debug_fops = {
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.read = seq_read,
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.write = cnss_dev_boot_debug_write,
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.release = single_release,
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.open = cnss_dev_boot_debug_open,
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.owner = THIS_MODULE,
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.llseek = seq_lseek,
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};
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static int cnss_reg_read_debug_show(struct seq_file *s, void *data)
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{
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struct cnss_plat_data *plat_priv = s->private;
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mutex_lock(&plat_priv->dev_lock);
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if (!plat_priv->diag_reg_read_buf) {
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seq_puts(s, "\nUsage: echo <mem_type> <offset> <data_len> > <debugfs_path>/cnss/reg_read\n");
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mutex_unlock(&plat_priv->dev_lock);
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return 0;
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}
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seq_printf(s, "\nRegister read, address: 0x%x memory type: 0x%x length: 0x%x\n\n",
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plat_priv->diag_reg_read_addr,
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plat_priv->diag_reg_read_mem_type,
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plat_priv->diag_reg_read_len);
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seq_hex_dump(s, "", DUMP_PREFIX_OFFSET, 32, 4,
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plat_priv->diag_reg_read_buf,
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plat_priv->diag_reg_read_len, false);
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plat_priv->diag_reg_read_len = 0;
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kfree(plat_priv->diag_reg_read_buf);
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plat_priv->diag_reg_read_buf = NULL;
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mutex_unlock(&plat_priv->dev_lock);
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return 0;
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}
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static ssize_t cnss_reg_read_debug_write(struct file *fp,
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const char __user *user_buf,
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size_t count, loff_t *off)
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{
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struct cnss_plat_data *plat_priv =
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((struct seq_file *)fp->private_data)->private;
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char buf[64];
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char *sptr, *token;
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unsigned int len = 0;
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u32 reg_offset, mem_type;
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u32 data_len = 0;
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u8 *reg_buf = NULL;
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const char *delim = " ";
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int ret = 0;
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if (!test_bit(CNSS_FW_READY, &plat_priv->driver_state)) {
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cnss_pr_err("Firmware is not ready yet\n");
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return -EINVAL;
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}
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len = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, len))
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return -EFAULT;
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buf[len] = '\0';
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sptr = buf;
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token = strsep(&sptr, delim);
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if (!token)
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return -EINVAL;
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if (!sptr)
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return -EINVAL;
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if (kstrtou32(token, 0, &mem_type))
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return -EINVAL;
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token = strsep(&sptr, delim);
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if (!token)
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return -EINVAL;
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if (!sptr)
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return -EINVAL;
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if (kstrtou32(token, 0, ®_offset))
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return -EINVAL;
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token = strsep(&sptr, delim);
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if (!token)
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return -EINVAL;
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if (kstrtou32(token, 0, &data_len))
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return -EINVAL;
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mutex_lock(&plat_priv->dev_lock);
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kfree(plat_priv->diag_reg_read_buf);
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plat_priv->diag_reg_read_buf = NULL;
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reg_buf = kzalloc(data_len, GFP_KERNEL);
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if (!reg_buf) {
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mutex_unlock(&plat_priv->dev_lock);
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return -ENOMEM;
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}
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ret = cnss_wlfw_athdiag_read_send_sync(plat_priv, reg_offset,
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mem_type, data_len,
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reg_buf);
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if (ret) {
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kfree(reg_buf);
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mutex_unlock(&plat_priv->dev_lock);
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return ret;
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}
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plat_priv->diag_reg_read_addr = reg_offset;
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plat_priv->diag_reg_read_mem_type = mem_type;
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plat_priv->diag_reg_read_len = data_len;
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plat_priv->diag_reg_read_buf = reg_buf;
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mutex_unlock(&plat_priv->dev_lock);
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return count;
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}
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static int cnss_reg_read_debug_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cnss_reg_read_debug_show, inode->i_private);
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}
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static const struct file_operations cnss_reg_read_debug_fops = {
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.read = seq_read,
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.write = cnss_reg_read_debug_write,
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.open = cnss_reg_read_debug_open,
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.owner = THIS_MODULE,
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.llseek = seq_lseek,
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};
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static int cnss_reg_write_debug_show(struct seq_file *s, void *data)
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{
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seq_puts(s, "\nUsage: echo <mem_type> <offset> <reg_val> > <debugfs_path>/cnss/reg_write\n");
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return 0;
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}
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static ssize_t cnss_reg_write_debug_write(struct file *fp,
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const char __user *user_buf,
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size_t count, loff_t *off)
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{
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struct cnss_plat_data *plat_priv =
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((struct seq_file *)fp->private_data)->private;
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char buf[64];
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char *sptr, *token;
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unsigned int len = 0;
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u32 reg_offset, mem_type, reg_val;
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const char *delim = " ";
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int ret = 0;
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if (!test_bit(CNSS_FW_READY, &plat_priv->driver_state)) {
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cnss_pr_err("Firmware is not ready yet\n");
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return -EINVAL;
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}
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len = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, len))
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return -EFAULT;
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buf[len] = '\0';
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sptr = buf;
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token = strsep(&sptr, delim);
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if (!token)
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return -EINVAL;
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if (!sptr)
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return -EINVAL;
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if (kstrtou32(token, 0, &mem_type))
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return -EINVAL;
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token = strsep(&sptr, delim);
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if (!token)
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return -EINVAL;
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if (!sptr)
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return -EINVAL;
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if (kstrtou32(token, 0, ®_offset))
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return -EINVAL;
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token = strsep(&sptr, delim);
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if (!token)
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return -EINVAL;
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if (kstrtou32(token, 0, ®_val))
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return -EINVAL;
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ret = cnss_wlfw_athdiag_write_send_sync(plat_priv, reg_offset, mem_type,
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sizeof(u32),
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(u8 *)®_val);
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if (ret)
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return ret;
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return count;
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}
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static int cnss_reg_write_debug_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cnss_reg_write_debug_show, inode->i_private);
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}
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static const struct file_operations cnss_reg_write_debug_fops = {
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.read = seq_read,
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.write = cnss_reg_write_debug_write,
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.open = cnss_reg_write_debug_open,
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.owner = THIS_MODULE,
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.llseek = seq_lseek,
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};
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static ssize_t cnss_runtime_pm_debug_write(struct file *fp,
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const char __user *user_buf,
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size_t count, loff_t *off)
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{
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struct cnss_plat_data *plat_priv =
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((struct seq_file *)fp->private_data)->private;
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struct cnss_pci_data *pci_priv;
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char buf[64];
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char *cmd;
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unsigned int len = 0;
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int ret = 0;
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if (!plat_priv)
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return -ENODEV;
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pci_priv = plat_priv->bus_priv;
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if (!pci_priv)
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return -ENODEV;
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len = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, len))
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return -EFAULT;
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buf[len] = '\0';
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cmd = buf;
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if (sysfs_streq(cmd, "usage_count")) {
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cnss_pci_pm_runtime_show_usage_count(pci_priv);
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} else if (sysfs_streq(cmd, "get")) {
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ret = cnss_pci_pm_runtime_get(pci_priv);
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} else if (sysfs_streq(cmd, "get_noresume")) {
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cnss_pci_pm_runtime_get_noresume(pci_priv);
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} else if (sysfs_streq(cmd, "put_autosuspend")) {
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ret = cnss_pci_pm_runtime_put_autosuspend(pci_priv);
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} else if (sysfs_streq(cmd, "put_noidle")) {
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cnss_pci_pm_runtime_put_noidle(pci_priv);
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} else if (sysfs_streq(cmd, "mark_last_busy")) {
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cnss_pci_pm_runtime_mark_last_busy(pci_priv);
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} else {
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cnss_pr_err("Runtime PM debugfs command is invalid\n");
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ret = -EINVAL;
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}
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if (ret)
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return ret;
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return count;
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}
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static int cnss_runtime_pm_debug_show(struct seq_file *s, void *data)
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{
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seq_puts(s, "\nUsage: echo <action> > <debugfs_path>/cnss/runtime_pm\n");
|
|
seq_puts(s, "<action> can be one of below:\n");
|
|
seq_puts(s, "usage_count: get runtime PM usage count\n");
|
|
seq_puts(s, "get: do runtime PM get\n");
|
|
seq_puts(s, "get_noresume: do runtime PM get noresume\n");
|
|
seq_puts(s, "put_noidle: do runtime PM put noidle\n");
|
|
seq_puts(s, "put_autosuspend: do runtime PM put autosuspend\n");
|
|
seq_puts(s, "mark_last_busy: do runtime PM mark last busy\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cnss_runtime_pm_debug_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, cnss_runtime_pm_debug_show, inode->i_private);
|
|
}
|
|
|
|
static const struct file_operations cnss_runtime_pm_debug_fops = {
|
|
.read = seq_read,
|
|
.write = cnss_runtime_pm_debug_write,
|
|
.open = cnss_runtime_pm_debug_open,
|
|
.owner = THIS_MODULE,
|
|
.llseek = seq_lseek,
|
|
};
|
|
|
|
static ssize_t cnss_control_params_debug_write(struct file *fp,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *off)
|
|
{
|
|
struct cnss_plat_data *plat_priv =
|
|
((struct seq_file *)fp->private_data)->private;
|
|
char buf[64];
|
|
char *sptr, *token;
|
|
char *cmd;
|
|
u32 val;
|
|
unsigned int len = 0;
|
|
const char *delim = " ";
|
|
|
|
if (!plat_priv)
|
|
return -ENODEV;
|
|
|
|
len = min(count, sizeof(buf) - 1);
|
|
if (copy_from_user(buf, user_buf, len))
|
|
return -EFAULT;
|
|
|
|
buf[len] = '\0';
|
|
sptr = buf;
|
|
|
|
token = strsep(&sptr, delim);
|
|
if (!token)
|
|
return -EINVAL;
|
|
if (!sptr)
|
|
return -EINVAL;
|
|
cmd = token;
|
|
|
|
token = strsep(&sptr, delim);
|
|
if (!token)
|
|
return -EINVAL;
|
|
if (kstrtou32(token, 0, &val))
|
|
return -EINVAL;
|
|
|
|
if (strcmp(cmd, "quirks") == 0)
|
|
plat_priv->ctrl_params.quirks = val;
|
|
else if (strcmp(cmd, "mhi_timeout") == 0)
|
|
plat_priv->ctrl_params.mhi_timeout = val;
|
|
else if (strcmp(cmd, "qmi_timeout") == 0)
|
|
plat_priv->ctrl_params.qmi_timeout = val;
|
|
else if (strcmp(cmd, "bdf_type") == 0)
|
|
plat_priv->ctrl_params.bdf_type = val;
|
|
else
|
|
return -EINVAL;
|
|
|
|
return count;
|
|
}
|
|
|
|
static int cnss_show_quirks_state(struct seq_file *s,
|
|
struct cnss_plat_data *plat_priv)
|
|
{
|
|
enum cnss_debug_quirks i;
|
|
int skip = 0;
|
|
unsigned long state;
|
|
|
|
seq_printf(s, "quirks: 0x%lx (", plat_priv->ctrl_params.quirks);
|
|
for (i = 0, state = plat_priv->ctrl_params.quirks;
|
|
state != 0; state >>= 1, i++) {
|
|
if (!(state & 0x1))
|
|
continue;
|
|
if (skip++)
|
|
seq_puts(s, " | ");
|
|
|
|
switch (i) {
|
|
case LINK_DOWN_SELF_RECOVERY:
|
|
seq_puts(s, "LINK_DOWN_SELF_RECOVERY");
|
|
continue;
|
|
case SKIP_DEVICE_BOOT:
|
|
seq_puts(s, "SKIP_DEVICE_BOOT");
|
|
continue;
|
|
case USE_CORE_ONLY_FW:
|
|
seq_puts(s, "USE_CORE_ONLY_FW");
|
|
continue;
|
|
case SKIP_RECOVERY:
|
|
seq_puts(s, "SKIP_RECOVERY");
|
|
continue;
|
|
case QMI_BYPASS:
|
|
seq_puts(s, "QMI_BYPASS");
|
|
continue;
|
|
case ENABLE_WALTEST:
|
|
seq_puts(s, "WALTEST");
|
|
continue;
|
|
case ENABLE_PCI_LINK_DOWN_PANIC:
|
|
seq_puts(s, "PCI_LINK_DOWN_PANIC");
|
|
continue;
|
|
case FBC_BYPASS:
|
|
seq_puts(s, "FBC_BYPASS");
|
|
continue;
|
|
case ENABLE_DAEMON_SUPPORT:
|
|
seq_puts(s, "DAEMON_SUPPORT");
|
|
continue;
|
|
case IGNORE_PCI_LINK_FAILURE:
|
|
seq_puts(s, "IGNORE_PCI_LINK_FAILURE");
|
|
continue;
|
|
}
|
|
|
|
seq_printf(s, "UNKNOWN-%d", i);
|
|
}
|
|
seq_puts(s, ")\n");
|
|
return 0;
|
|
}
|
|
|
|
static int cnss_control_params_debug_show(struct seq_file *s, void *data)
|
|
{
|
|
struct cnss_plat_data *cnss_priv = s->private;
|
|
|
|
seq_puts(s, "\nUsage: echo <params_name> <value> > <debugfs_path>/cnss/control_params\n");
|
|
seq_puts(s, "<params_name> can be one of below:\n");
|
|
seq_puts(s, "quirks: Debug quirks for driver\n");
|
|
seq_puts(s, "mhi_timeout: Timeout for MHI operation in milliseconds\n");
|
|
seq_puts(s, "qmi_timeout: Timeout for QMI message in milliseconds\n");
|
|
seq_puts(s, "bdf_type: Type of board data file to be downloaded\n");
|
|
|
|
seq_puts(s, "\nCurrent value:\n");
|
|
cnss_show_quirks_state(s, cnss_priv);
|
|
seq_printf(s, "mhi_timeout: %u\n", cnss_priv->ctrl_params.mhi_timeout);
|
|
seq_printf(s, "qmi_timeout: %u\n", cnss_priv->ctrl_params.qmi_timeout);
|
|
seq_printf(s, "bdf_type: %u\n", cnss_priv->ctrl_params.bdf_type);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cnss_control_params_debug_open(struct inode *inode,
|
|
struct file *file)
|
|
{
|
|
return single_open(file, cnss_control_params_debug_show,
|
|
inode->i_private);
|
|
}
|
|
|
|
static const struct file_operations cnss_control_params_debug_fops = {
|
|
.read = seq_read,
|
|
.write = cnss_control_params_debug_write,
|
|
.open = cnss_control_params_debug_open,
|
|
.owner = THIS_MODULE,
|
|
.llseek = seq_lseek,
|
|
};
|
|
|
|
#ifdef CONFIG_CNSS2_DEBUG
|
|
static int cnss_create_debug_only_node(struct cnss_plat_data *plat_priv)
|
|
{
|
|
struct dentry *root_dentry = plat_priv->root_dentry;
|
|
|
|
debugfs_create_file("dev_boot", 0600, root_dentry, plat_priv,
|
|
&cnss_dev_boot_debug_fops);
|
|
debugfs_create_file("reg_read", 0600, root_dentry, plat_priv,
|
|
&cnss_reg_read_debug_fops);
|
|
debugfs_create_file("reg_write", 0600, root_dentry, plat_priv,
|
|
&cnss_reg_write_debug_fops);
|
|
debugfs_create_file("runtime_pm", 0600, root_dentry, plat_priv,
|
|
&cnss_runtime_pm_debug_fops);
|
|
debugfs_create_file("control_params", 0600, root_dentry, plat_priv,
|
|
&cnss_control_params_debug_fops);
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
static int cnss_create_debug_only_node(struct cnss_plat_data *plat_priv)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
int cnss_debugfs_create(struct cnss_plat_data *plat_priv)
|
|
{
|
|
int ret = 0;
|
|
struct dentry *root_dentry;
|
|
char name[15];
|
|
|
|
if (cnss_get_dual_wlan())
|
|
snprintf(name, sizeof(name), "cnss_%d", plat_priv->idx);
|
|
else
|
|
snprintf(name, sizeof(name), "cnss");
|
|
root_dentry = debugfs_create_dir(name, NULL);
|
|
|
|
if (IS_ERR(root_dentry)) {
|
|
ret = PTR_ERR(root_dentry);
|
|
cnss_pr_err("Unable to create debugfs %d\n", ret);
|
|
goto out;
|
|
}
|
|
|
|
plat_priv->root_dentry = root_dentry;
|
|
|
|
debugfs_create_file("pin_connect_result", 0644, root_dentry, plat_priv,
|
|
&cnss_pin_connect_fops);
|
|
debugfs_create_file("stats", 0644, root_dentry, plat_priv,
|
|
&cnss_stats_fops);
|
|
|
|
cnss_create_debug_only_node(plat_priv);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
void cnss_debugfs_destroy(struct cnss_plat_data *plat_priv)
|
|
{
|
|
debugfs_remove_recursive(plat_priv->root_dentry);
|
|
}
|
|
|
|
int cnss_debug_init(void)
|
|
{
|
|
cnss_ipc_log_context = ipc_log_context_create(CNSS_IPC_LOG_PAGES,
|
|
"cnss", 0);
|
|
if (!cnss_ipc_log_context) {
|
|
cnss_pr_err("Unable to create IPC log context!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void cnss_debug_deinit(void)
|
|
{
|
|
if (cnss_ipc_log_context) {
|
|
ipc_log_context_destroy(cnss_ipc_log_context);
|
|
cnss_ipc_log_context = NULL;
|
|
}
|
|
}
|