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path: root/drivers/net/wireless/iwlwifi/iwl-debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c97
1 files changed, 52 insertions, 45 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index ffc4be3..af70229 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -172,7 +172,6 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
const size_t bufsz = sizeof(buf);
- iwl_grab_nic_access(priv);
for (i = priv->dbgfs->sram_len; i > 0; i -= 4) {
val = iwl_read_targ_mem(priv, priv->dbgfs->sram_offset + \
priv->dbgfs->sram_len - i);
@@ -192,7 +191,6 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
}
pos += scnprintf(buf + pos, bufsz - pos, "\n");
- iwl_release_nic_access(priv);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
return ret;
@@ -292,7 +290,7 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
return ret;
}
-static ssize_t iwl_dbgfs_eeprom_read(struct file *file,
+static ssize_t iwl_dbgfs_nvm_read(struct file *file,
char __user *user_buf,
size_t count,
loff_t *ppos)
@@ -306,7 +304,7 @@ static ssize_t iwl_dbgfs_eeprom_read(struct file *file,
buf_size = 4 * eeprom_len + 256;
if (eeprom_len % 16) {
- IWL_ERR(priv, "EEPROM size is not multiple of 16.\n");
+ IWL_ERR(priv, "NVM size is not multiple of 16.\n");
return -ENODATA;
}
@@ -318,6 +316,13 @@ static ssize_t iwl_dbgfs_eeprom_read(struct file *file,
}
ptr = priv->eeprom;
+ if (!ptr) {
+ IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
+ return -ENOMEM;
+ }
+ pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
+ (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
+ ? "OTP" : "EEPROM");
for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
@@ -375,51 +380,53 @@ static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
}
supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
- channels = supp_band->channels;
+ if (supp_band) {
+ channels = supp_band->channels;
- pos += scnprintf(buf + pos, bufsz - pos,
- "Displaying %d channels in 2.4GHz band 802.11bg):\n",
- supp_band->n_channels);
-
- for (i = 0; i < supp_band->n_channels; i++)
pos += scnprintf(buf + pos, bufsz - pos,
- "%d: %ddBm: BSS%s%s, %s.\n",
- ieee80211_frequency_to_channel(
- channels[i].center_freq),
- channels[i].max_power,
- channels[i].flags & IEEE80211_CHAN_RADAR ?
- " (IEEE 802.11h required)" : "",
- ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
- || (channels[i].flags &
- IEEE80211_CHAN_RADAR)) ? "" :
- ", IBSS",
- channels[i].flags &
- IEEE80211_CHAN_PASSIVE_SCAN ?
- "passive only" : "active/passive");
+ "Displaying %d channels in 2.4GHz band 802.11bg):\n",
+ supp_band->n_channels);
+ for (i = 0; i < supp_band->n_channels; i++)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "%d: %ddBm: BSS%s%s, %s.\n",
+ ieee80211_frequency_to_channel(
+ channels[i].center_freq),
+ channels[i].max_power,
+ channels[i].flags & IEEE80211_CHAN_RADAR ?
+ " (IEEE 802.11h required)" : "",
+ ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
+ || (channels[i].flags &
+ IEEE80211_CHAN_RADAR)) ? "" :
+ ", IBSS",
+ channels[i].flags &
+ IEEE80211_CHAN_PASSIVE_SCAN ?
+ "passive only" : "active/passive");
+ }
supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
- channels = supp_band->channels;
-
- pos += scnprintf(buf + pos, bufsz - pos,
- "Displaying %d channels in 5.2GHz band (802.11a)\n",
- supp_band->n_channels);
+ if (supp_band) {
+ channels = supp_band->channels;
- for (i = 0; i < supp_band->n_channels; i++)
pos += scnprintf(buf + pos, bufsz - pos,
- "%d: %ddBm: BSS%s%s, %s.\n",
- ieee80211_frequency_to_channel(
- channels[i].center_freq),
- channels[i].max_power,
- channels[i].flags & IEEE80211_CHAN_RADAR ?
- " (IEEE 802.11h required)" : "",
- ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
- || (channels[i].flags &
- IEEE80211_CHAN_RADAR)) ? "" :
- ", IBSS",
- channels[i].flags &
- IEEE80211_CHAN_PASSIVE_SCAN ?
- "passive only" : "active/passive");
+ "Displaying %d channels in 5.2GHz band (802.11a)\n",
+ supp_band->n_channels);
+ for (i = 0; i < supp_band->n_channels; i++)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "%d: %ddBm: BSS%s%s, %s.\n",
+ ieee80211_frequency_to_channel(
+ channels[i].center_freq),
+ channels[i].max_power,
+ channels[i].flags & IEEE80211_CHAN_RADAR ?
+ " (IEEE 802.11h required)" : "",
+ ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
+ || (channels[i].flags &
+ IEEE80211_CHAN_RADAR)) ? "" :
+ ", IBSS",
+ channels[i].flags &
+ IEEE80211_CHAN_PASSIVE_SCAN ?
+ "passive only" : "active/passive");
+ }
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
@@ -564,7 +571,7 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file,
DEBUGFS_READ_WRITE_FILE_OPS(sram);
DEBUGFS_WRITE_FILE_OPS(log_event);
-DEBUGFS_READ_FILE_OPS(eeprom);
+DEBUGFS_READ_FILE_OPS(nvm);
DEBUGFS_READ_FILE_OPS(stations);
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
@@ -598,7 +605,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
- DEBUGFS_ADD_FILE(eeprom, data);
+ DEBUGFS_ADD_FILE(nvm, data);
DEBUGFS_ADD_FILE(sram, data);
DEBUGFS_ADD_FILE(log_event, data);
DEBUGFS_ADD_FILE(stations, data);
@@ -629,7 +636,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
if (!priv->dbgfs)
return;
- DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_eeprom);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
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