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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

drivers/net/wireless/iwlwifi/iwl-debug.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/wireless/iwlwifi/iwl-debugfs.c

+38 −0
Original line number Diff line number Diff line
@@ -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);