diff options
| author | Pavel Roskin <proski@gnu.org> | 2009-08-26 22:30:09 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-08-28 14:40:55 -0400 |
| commit | 97a81f5c5033cb02ae56dd80ff9c38866c777bd8 (patch) | |
| tree | fc88f10b4bc2a167baeb9d1c38022b9612de296e /drivers/net/wireless/ath/ath5k/attach.c | |
| parent | 3b3ee43da43aca1cbf4c3651379b2b1492e49dd6 (diff) | |
ath5k: don't use PCI ID to find the chip revision
AR5K_SREV is available even if the chip has been put to sleep. Relying
on the chip register allows binding non-standard PCI IDs by
echo VENDOR_ID PRODUCT_ID >/sys/bus/pci/drivers/ath5k/new_id
without having to specify the driver data as well.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/attach.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/attach.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index 4819f39da70..71a1bd25451 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -95,14 +95,13 @@ static int ath5k_hw_post(struct ath5k_hw *ah) * ath5k_hw_attach - Check if hw is supported and init the needed structs * * @sc: The &struct ath5k_softc we got from the driver's attach function - * @mac_version: The mac version id (check out ath5k.h) based on pci id * * Check if the device is supported, perform a POST and initialize the needed * structs. Returns -ENOMEM if we don't have memory for the needed structs, * -ENODEV if the device is not supported or prints an error msg if something * else went wrong. */ -struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) +struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc) { struct ath5k_hw *ah; struct pci_dev *pdev = sc->pdev; @@ -136,9 +135,15 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) ah->ah_software_retry = false; /* - * Set the mac version based on the pci id + * Find the mac version */ - ah->ah_version = mac_version; + srev = ath5k_hw_reg_read(ah, AR5K_SREV); + if (srev < AR5K_SREV_AR5311) + ah->ah_version = AR5K_AR5210; + else if (srev < AR5K_SREV_AR5212) + ah->ah_version = AR5K_AR5211; + else + ah->ah_version = AR5K_AR5212; /*Fill the ath5k_hw struct with the needed functions*/ ret = ath5k_hw_init_desc_functions(ah); @@ -151,7 +156,6 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) goto err_free; /* Get MAC, PHY and RADIO revisions */ - srev = ath5k_hw_reg_read(ah, AR5K_SREV); ah->ah_mac_srev = srev; ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER); ah->ah_mac_revision = AR5K_REG_MS(srev, AR5K_SREV_REV); |