iwlwifi: move sysfs status entry to debugfs

This patch moves priv->status sysfs entry to debugfs. It is for
debugging only anyway.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0dc8eed16404dc717623536b91868a7749bc7498..01e744962d6cf3ad00f069ad4a95c11aeafe8823 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3652,16 +3652,6 @@ static ssize_t show_statistics(struct device *d,
 
 static DEVICE_ATTR(statistics, S_IRUGO, show_statistics, NULL);
 
-static ssize_t show_status(struct device *d,
-                          struct device_attribute *attr, char *buf)
-{
-       struct iwl_priv *priv = (struct iwl_priv *)d->driver_data;
-       if (!iwl_is_alive(priv))
-               return -EAGAIN;
-       return sprintf(buf, "0x%08x\n", (int)priv->status);
-}
-
-static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
 
 /*****************************************************************************
  *
@@ -3717,7 +3707,6 @@ static struct attribute *iwl_sysfs_entries[] = {
        &dev_attr_power_level.attr,
        &dev_attr_retry_rate.attr,
        &dev_attr_statistics.attr,
-       &dev_attr_status.attr,
        &dev_attr_temperature.attr,
        &dev_attr_tx_power.attr,
 #ifdef CONFIG_IWLWIFI_DEBUG

diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 56c13b458de7fc7571298591ec3d2eb2b20bfc27..7c4ee0cd81c66a435e9fd8b18af3d40ff10a3a8a 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -61,6 +61,7 @@ struct iwl_debugfs {
                struct dentry *file_tx_statistics;
                struct dentry *file_log_event;
                struct dentry *file_channels;
+               struct dentry *file_status;
        } dbgfs_data_files;
        struct dir_rf_files {
                struct dentry *file_disable_sensitivity;

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index d5253a179dec6fd35cd37a4d9687046899ca782a..1e142fbac6161aa4bacd448b62a0404c32a574c9 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -63,6 +63,14 @@
                goto err;                                               \
 } while (0)
 
+#define DEBUGFS_ADD_X32(name, parent, ptr) do {                        \
+       dbgfs->dbgfs_##parent##_files.file_##name =                     \
+       debugfs_create_x32(#name, 0444, dbgfs->dir_##parent, ptr);     \
+       if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
+                       || !dbgfs->dbgfs_##parent##_files.file_##name)  \
+               goto err;                                               \
+} while (0)
+
 #define DEBUGFS_REMOVE(name)  do {              \
        debugfs_remove(name);                   \
        name = NULL;                            \
@@ -420,7 +428,6 @@ static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
        return ret;
 }
 
-
 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 DEBUGFS_WRITE_FILE_OPS(log_event);
 DEBUGFS_READ_FILE_OPS(eeprom);
@@ -462,6 +469,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
        DEBUGFS_ADD_FILE(rx_statistics, data);
        DEBUGFS_ADD_FILE(tx_statistics, data);
        DEBUGFS_ADD_FILE(channels, data);
+       DEBUGFS_ADD_X32(status, data, (u32 *)&priv->status);
        DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
        DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
                         &priv->disable_chain_noise_cal);