This can be used when the ath_bus_type has to be presented in a log
message or firmware filename.

Signed-off-by: Martin Blumenstingl <martin.blumensti...@googlemail.com>
---
 drivers/net/wireless/ath/ath.h  | 6 ++++++
 drivers/net/wireless/ath/main.c | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index da7a7c8..f3f2784 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -327,4 +327,10 @@ static inline const char *ath_opmode_to_string(enum 
nl80211_iftype opmode)
 }
 #endif
 
+extern const char *ath_bus_type_strings[];
+static inline const char *ath_bus_type_to_string(enum ath_bus_type bustype)
+{
+       return ath_bus_type_strings[bustype];
+}
+
 #endif /* ATH_H */
diff --git a/drivers/net/wireless/ath/main.c b/drivers/net/wireless/ath/main.c
index 338d723..89f4b05 100644
--- a/drivers/net/wireless/ath/main.c
+++ b/drivers/net/wireless/ath/main.c
@@ -90,3 +90,10 @@ void ath_printk(const char *level, const struct ath_common* 
common,
        va_end(args);
 }
 EXPORT_SYMBOL(ath_printk);
+
+const char *ath_bus_type_strings[] = {
+       [ATH_PCI] = "pci",
+       [ATH_AHB] = "ahb",
+       [ATH_USB] = "usb",
+};
+EXPORT_SYMBOL(ath_bus_type_strings);
-- 
2.9.3

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