iwlagn: debug_level moves to struct iwl_shared

This will allow all the modules to look at it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 32744a72a6a..a7c0315472e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -93,10 +93,16 @@ struct iwl_mod_params {
 /**
  * struct iwl_shared - shared fields for all the layers of the driver
  *
+ * @dbg_level_dev: dbg level set per device. Prevails on
+ *	iwlagn_mod_params.debug_level if set (!= 0)
  * @bus: pointer to the bus layer data
  * @priv: pointer to the upper layer data
  */
 struct iwl_shared {
+#ifdef CONFIG_IWLWIFI_DEBUG
+	u32 dbg_level_dev;
+#endif /* CONFIG_IWLWIFI_DEBUG */
+
 	struct iwl_bus *bus;
 	struct iwl_priv *priv;
 };
@@ -105,6 +111,28 @@ struct iwl_shared {
 #define priv(_m)	((_m)->shrd->priv)
 #define bus(_m)		((_m)->shrd->bus)
 
+#ifdef CONFIG_IWLWIFI_DEBUG
+/*
+ * iwl_get_debug_level: Return active debug level for device
+ *
+ * Using sysfs it is possible to set per device debug level. This debug
+ * level will be used if set, otherwise the global debug level which can be
+ * set via module parameter is used.
+ */
+static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
+{
+	if (shrd->dbg_level_dev)
+		return shrd->dbg_level_dev;
+	else
+		return iwlagn_mod_params.debug_level;
+}
+#else
+static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
+{
+	return iwlagn_mod_params.debug_level;
+}
+#endif
+
 #ifdef CONFIG_PM
 int iwl_suspend(struct iwl_priv *priv);
 int iwl_resume(struct iwl_priv *priv);