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ath9k: add support for overriding the MAC address through platform data 

On some devices the correct MAC address is not in the EEPROM data, but
stored somewhere else.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-03-19 13:55:39 +01:00 committed by John W. Linville
parent 691680b833
commit 6fb1b1e18f
2 changed files with 7 additions and 1 deletions
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7
drivers/net/wireless/ath/ath9k/init.c
View File

@ -15,6 +15,7 @@
*/
#include <linux/slab.h>
#include <linux/ath9k_platform.h>
#include "ath9k.h"
@ -537,6 +538,7 @@ static void ath9k_init_misc(struct ath_softc *sc)
static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops)
{
struct ath9k_platform_data *pdata = sc->dev->platform_data;
struct ath_hw *ah = NULL;
struct ath_common *common;
int ret = 0, i;
@ -551,7 +553,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
ah->hw_version.subsysid = subsysid;
sc->sc_ah = ah;
if (!sc->dev->platform_data)
if (!pdata)
ah->ah_flags |= AH_USE_EEPROM;
common = ath9k_hw_common(ah);
@ -587,6 +589,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
if (ret)
goto err_hw;
if (pdata && pdata->macaddr)
memcpy(common->macaddr, pdata->macaddr, ETH_ALEN);
ret = ath9k_init_queues(sc);
if (ret)
goto err_queues;

1
include/linux/ath9k_platform.h
View File

@ -23,6 +23,7 @@
struct ath9k_platform_data {
u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS];
u8 *macaddr;
};
#endif /* _LINUX_ATH9K_PLATFORM_H */