diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-11-24 16:49:20 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-24 16:49:20 -0500 |
| commit | 51cce8a590c4696d62bfacc63378d1036084cef7 (patch) | |
| tree | dc24485bdff37ca6a83c69e93ffdbe5c5807b59d /drivers/net/wireless/ath/ath9k/pci.c | |
| parent | 2fe66ec242d3f76e3b0101f36419e7e5405bcff3 (diff) | |
| parent | 4f8559383c41262b50dc758e2e310f257ce6a14d (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/pci.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/pci.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 6605bc2c203..09f69a9617f 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -16,6 +16,7 @@ #include <linux/nl80211.h> #include <linux/pci.h> +#include <linux/ath9k_platform.h> #include "ath9k.h" static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = { @@ -53,21 +54,36 @@ static void ath_pci_read_cachesize(struct ath_common *common, int *csz) static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data) { - struct ath_hw *ah = (struct ath_hw *) common->ah; - - common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); - - if (!ath9k_hw_wait(ah, - AR_EEPROM_STATUS_DATA, - AR_EEPROM_STATUS_DATA_BUSY | - AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, - AH_WAIT_TIMEOUT)) { - return false; + struct ath_softc *sc = (struct ath_softc *) common->priv; + struct ath9k_platform_data *pdata = sc->dev->platform_data; + + if (pdata) { + if (off >= (ARRAY_SIZE(pdata->eeprom_data))) { + ath_print(common, ATH_DBG_FATAL, + "%s: eeprom read failed, offset %08x " + "is out of range\n", + __func__, off); + } + + *data = pdata->eeprom_data[off]; + } else { + struct ath_hw *ah = (struct ath_hw *) common->ah; + + common->ops->read(ah, AR5416_EEPROM_OFFSET + + (off << AR5416_EEPROM_S)); + + if (!ath9k_hw_wait(ah, + AR_EEPROM_STATUS_DATA, + AR_EEPROM_STATUS_DATA_BUSY | + AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, + AH_WAIT_TIMEOUT)) { + return false; + } + + *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA), + AR_EEPROM_STATUS_DATA_VAL); } - *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA), - AR_EEPROM_STATUS_DATA_VAL); - return true; } |