iwlwifi: add FW_INFO debug level

Add FW_INFO debug level. This level is enabled if INFO or FW debug
levels are set.
Also, set fw request and callback prints under this debug level.
Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-debug.h

@@ -218,5 +218,7 @@ do {                                            			\
 #define IWL_DEBUG_TPT(p, f, a...)	IWL_DEBUG(p, IWL_DL_TPT, f, ## a)
 #define IWL_DEBUG_RPM(p, f, a...)	IWL_DEBUG(p, IWL_DL_RPM, f, ## a)
 #define IWL_DEBUG_LAR(p, f, a...)	IWL_DEBUG(p, IWL_DL_LAR, f, ## a)
+#define IWL_DEBUG_FW_INFO(p, f, a...)		\
+		IWL_DEBUG(p, IWL_DL_INFO | IWL_DL_FW, f, ## a)
 
 #endif

drivers/net/wireless/intel/iwlwifi/iwl-drv.c

@@ -252,7 +252,7 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
 	snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
 		 cfg->fw_name_pre, tag);
 
-	IWL_DEBUG_INFO(drv, "attempting to load firmware '%s'\n",
+	IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",
 			  drv->firmware_name);
 
 	return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
@@ -1318,7 +1318,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 	if (!ucode_raw)
 		goto try_again;
 
-	IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
+	IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
 			  drv->firmware_name, ucode_raw->size);
 
 	/* Make sure that we got at least the API version number */