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diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 05c2ba2..ade8655 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -251,6 +251,15 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah)
case AR5416_AR9100_DEVID:
ah->hw_version.macVersion = AR_SREV_VERSION_9100;
break;
+ case AR9300_DEVID_AR9330:
+ ah->hw_version.macVersion = AR_SREV_VERSION_9330;
+ if (ah->get_mac_revision) {
+ ah->hw_version.macRev = ah->get_mac_revision();
+ } else {
+ val = REG_READ(ah, AR_SREV);
+ ah->hw_version.macRev = MS(val, AR_SREV_REVISION2);
+ }
+ return;
case AR9300_DEVID_AR9340:
ah->hw_version.macVersion = AR_SREV_VERSION_9340;
val = REG_READ(ah, AR_SREV);
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 9f23451..8d9ac49 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -863,6 +863,7 @@ struct ath_hw {
u32 ent_mode;
bool is_clk_25mhz;
+ int (*get_mac_revision)(void);
};
struct ath_bus_ops {
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 45c585a..c2defa2 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -575,6 +575,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
sc->sc_ah->gpio_val = pdata->gpio_val;
sc->sc_ah->led_pin = pdata->led_pin;
ah->is_clk_25mhz = pdata->is_clk_25mhz;
+ ah->get_mac_revision = pdata->get_mac_revision;
}
common = ath9k_hw_common(ah);
diff --git a/include/linux/ath9k_platform.h b/include/linux/ath9k_platform.h
index 60a7c49..c207607 100644
--- a/include/linux/ath9k_platform.h
+++ b/include/linux/ath9k_platform.h
@@ -30,6 +30,7 @@ struct ath9k_platform_data {
u32 gpio_val;
bool is_clk_25mhz;
+ int (*get_mac_revision)(void);
};
#endif /* _LINUX_ATH9K_PLATFORM_H */
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