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| author |   David Spinadel <david.spinadel@intel.com> | 2012-03-31 08:31:05 -0700 |
|---|---|---|
| committer |   Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2012-04-23 14:20:00 -0700 |
| commit | 647ad135e3cbad19a7a963922750a4a5cd2e9e8f (patch) | |
| tree | 051ac97559c03ace132c3f500ce78ca1fcbf53f0 | |
| parent | iwlwifi: provide proper API to disable all interrupts (diff) | |
| download | linux-dev-647ad135e3cbad19a7a963922750a4a5cd2e9e8f.tar.xz linux-dev-647ad135e3cbad19a7a963922750a4a5cd2e9e8f.zip | |
iwlwifi: Added debugfs calib disabled write
Added the option to disable calibration via debugfs.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
| -rw-r--r-- | 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 70c24f5955c8..c93f4e74d816 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; |