Atheros AR600x driver + build glue

chromeos/drivers/ath6kl/os/linux/include/debug_linux.h

+/*
+ * Copyright (c) 2004-2006 Atheros Communications Inc.
+ * All rights reserved.
+ *
+ * 
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+ *
+ */
+
+#ifndef _DEBUG_LINUX_H_
+#define _DEBUG_LINUX_H_
+
+    /* macro to remove parens */
+#define ATH_PRINTX_ARG(arg...) arg
+
+#ifdef DEBUG
+    /* NOTE: the AR_DEBUG_PRINTF macro is defined here to handle special handling of variable arg macros
+     * which may be compiler dependent. */
+#define AR_DEBUG_PRINTF(mask, args) do {        \
+    if (GET_ATH_MODULE_DEBUG_VAR_MASK(ATH_MODULE_NAME) & (mask)) {                    \
+        A_PRINTF(ATH_PRINTX_ARG args);    \
+    }                                            \
+} while (0)
+#else
+    /* on non-debug builds, keep in error and warning messages in the driver, all other
+     * message tracing will get compiled out */
+#define AR_DEBUG_PRINTF(mask, args) \
+    if ((mask) & (ATH_DEBUG_ERR | ATH_DEBUG_WARN)) { A_PRINTF(ATH_PRINTX_ARG args); }
+
+#endif
+
+    /* compile specific macro to get the function name string */
+#define _A_FUNCNAME_  __func__
+
+
+#endif /* _DEBUG_LINUX_H_ */