From: David Spinadel <david.spinadel@xxxxxxxxx>
Added the option to disable calibration via debugfs.
Signed-off-by: David Spinadel <david.spinadel@xxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-debugfs.c | 25 +++++++++++++++++++++++--
1 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 70c24f5..c93f4e7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -2499,6 +2499,27 @@ static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
+static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+ u32 calib_disabled;
+ int buf_size;
+
+ memset(buf, 0, sizeof(buf));
+ buf_size = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ if (sscanf(buf, "%x", &calib_disabled) != 1)
+ return -EFAULT;
+
+ priv->calib_disabled = calib_disabled;
+
+ return count;
+}
+
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -2523,7 +2544,7 @@ DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
DEBUGFS_READ_FILE_OPS(reply_tx_error);
DEBUGFS_WRITE_FILE_OPS(echo_test);
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
-DEBUGFS_READ_FILE_OPS(calib_disabled);
+DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
/*
* Create the debugfs files and directories
@@ -2592,7 +2613,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
/* Calibrations disabled/enabled status*/
- DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IRUSR);
+ DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
if (iwl_trans_dbgfs_register(priv->trans, dir_debug))
goto err;
--
1.7.0.4
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