ath9k: Add ATH9K_DEBUG configuration option

Make debugging configurable, and add a module parameter
to give the debug mask.
Add debug.c to hold all debug specific code.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath9k/Kconfig b/drivers/net/wireless/ath9k/Kconfig
index 80a692430413..c43bd321f97f 100644
--- a/drivers/net/wireless/ath9k/Kconfig
+++ b/drivers/net/wireless/ath9k/Kconfig
@@ -9,3 +9,14 @@ config ATH9K
           Atheros IEEE 802.11n AR5008 and AR9001 family of chipsets.
 
           If you choose to build a module, it'll be called ath9k.
+
+config ATH9K_DEBUG
+        bool "Atheros ath9k debugging"
+        depends on ATH9K
+        ---help---
+          Say Y, if you need ath9k to display debug messages.
+          Pass the debug mask as a module parameter:
+
+          modprobe ath9k debug=0x00002000
+
+          Look in ath9k/core.h for possible debug masks