Commit fbf3a2af authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
Browse files

iwlwifi: Thermal Throttling debugfs function



Add debugfs function to display current thermal throttling status for
both Legacy and Advance Thermal Throttling Management
Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 46f9381a
......@@ -84,6 +84,7 @@ struct iwl_debugfs {
struct dentry *file_status;
struct dentry *file_interrupt;
struct dentry *file_qos;
struct dentry *file_thermal_throttling;
#ifdef CONFIG_IWLWIFI_LEDS
struct dentry *file_led;
#endif
......
......@@ -618,6 +618,41 @@ static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
}
#endif
static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
struct iwl_tt_mgmt *tt = &priv->power_data.tt;
struct iwl_tt_restriction *restriction;
char buf[100];
int pos = 0;
const size_t bufsz = sizeof(buf);
ssize_t ret;
pos += scnprintf(buf + pos, bufsz - pos,
"Thermal Throttling Mode: %s\n",
(priv->power_data.adv_tt)
? "Advance" : "Legacy");
pos += scnprintf(buf + pos, bufsz - pos,
"Thermal Throttling State: %d\n",
tt->state);
if (priv->power_data.adv_tt) {
restriction = tt->restriction + tt->state;
pos += scnprintf(buf + pos, bufsz - pos,
"Tx mode: %d\n",
restriction->tx_stream);
pos += scnprintf(buf + pos, bufsz - pos,
"Rx mode: %d\n",
restriction->rx_stream);
pos += scnprintf(buf + pos, bufsz - pos,
"HT mode: %d\n",
restriction->is_ht);
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
return ret;
}
DEBUGFS_READ_WRITE_FILE_OPS(sram);
DEBUGFS_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_FILE_OPS(nvm);
......@@ -631,6 +666,7 @@ DEBUGFS_READ_FILE_OPS(qos);
#ifdef CONFIG_IWLWIFI_LEDS
DEBUGFS_READ_FILE_OPS(led);
#endif
DEBUGFS_READ_FILE_OPS(thermal_throttling);
/*
* Create the debugfs files and directories
......@@ -671,6 +707,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
#ifdef CONFIG_IWLWIFI_LEDS
DEBUGFS_ADD_FILE(led, data);
#endif
DEBUGFS_ADD_FILE(thermal_throttling, data);
DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
&priv->disable_chain_noise_cal);
......@@ -709,6 +746,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
#ifdef CONFIG_IWLWIFI_LEDS
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
#endif
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
......
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