iwlwifi: add device sysfs version entry

This patch adds sysfs version file that displays ucode version
and type.

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

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 901d9cf9ad78..7708b19ca0cc 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -5993,6 +5993,25 @@ static DEVICE_ATTR(debug_level, S_IWUSR | S_IRUGO,
 #endif /* CONFIG_IWLWIFI_DEBUG */
 
 
+static ssize_t show_version(struct device *d,
+                                struct device_attribute *attr, char *buf)
+{
+        struct iwl_priv *priv = d->driver_data;
+        struct iwl4965_alive_resp *palive = &priv->card_alive;
+
+        if (palive->is_valid)
+                return sprintf(buf, "fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n"
+                                    "fw type: 0x%01X 0x%01X\n",
+                                palive->ucode_major, palive->ucode_minor,
+                                palive->sw_rev[0], palive->sw_rev[1],
+                                palive->ver_type, palive->ver_subtype);
+
+        else
+                return sprintf(buf, "fw not loaded\n");
+}
+
+static DEVICE_ATTR(version, S_IWUSR | S_IRUGO, show_version, NULL);
+
 static ssize_t show_temperature(struct device *d,
                                 struct device_attribute *attr, char *buf)
 {
@@ -6438,6 +6457,7 @@ static struct attribute *iwl4965_sysfs_entries[] = {
 #ifdef CONFIG_IWLWIFI_DEBUG
         &dev_attr_debug_level.attr,
 #endif
+        &dev_attr_version.attr,
 
         NULL
 };