2010/11/27 Nick Kossifidis <mickfl...@gmail.com>:
> 2010/11/26 Wojciech Dubowik <dubo...@neratec.com>:
>> From: Felix Fietkau <n...@openwrt.org>
>>
>> Add bus dependent revision read function which is used to
>> determine chipset's MAC before hardware is initialized.
>>
>> Signed-off-by: Felix Fietkau <n...@openwrt.org>
>> Signed-off-by: Wojciech Dubowik <wojciech.dubo...@neratec.com>
>> ---
>> drivers/net/wireless/ath/ath5k/ath5k.h | 5 +++--
>> drivers/net/wireless/ath/ath5k/attach.c | 11 +++++++----
>> drivers/net/wireless/ath/ath5k/pci.c | 6 ++++++
>> 3 files changed, 16 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h
>> b/drivers/net/wireless/ath/ath5k/ath5k.h
>> index 946e54a..917deb4 100644
>> --- a/drivers/net/wireless/ath/ath5k/ath5k.h
>> +++ b/drivers/net/wireless/ath/ath5k/ath5k.h
>> @@ -1035,6 +1035,7 @@ struct ath5k_hw {
>> u32 ah_phy;
>> u32 ah_mac_srev;
>> u16 ah_mac_version;
>> + u16 ah_mac_revision;
>> u16 ah_phy_revision;
>> u16 ah_radio_5ghz_revision;
>> u16 ah_radio_2ghz_revision;
>> @@ -1143,9 +1144,9 @@ void ath5k_hw_deinit(struct ath5k_hw *ah);
>> int ath5k_sysfs_register(struct ath5k_softc *sc);
>> void ath5k_sysfs_unregister(struct ath5k_softc *sc);
>>
>> -/*Chip id helper function */
>> +/*Chip id helper functions */
>> const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
>> -
>> +int ath5k_bus_read_srev(struct ath5k_hw *ah);
>>
>> /* LED functions */
>> int ath5k_init_leds(struct ath5k_softc *sc);
>> diff --git a/drivers/net/wireless/ath/ath5k/attach.c
>> b/drivers/net/wireless/ath/ath5k/attach.c
>> index fe7e6f1..9b5f6e4 100644
>> --- a/drivers/net/wireless/ath/ath5k/attach.c
>> +++ b/drivers/net/wireless/ath/ath5k/attach.c
>> @@ -128,7 +128,8 @@ int ath5k_hw_init(struct ath5k_softc *sc)
>> /*
>> * Find the mac version
>> */
>> - srev = ath5k_hw_reg_read(ah, AR5K_SREV);
>> + ath5k_bus_read_srev(ah);
>> + srev = ah->ah_mac_srev;
>> if (srev < AR5K_SREV_AR5311)
>> ah->ah_version = AR5K_AR5210;
>> else if (srev < AR5K_SREV_AR5212)
>> @@ -136,6 +137,10 @@ int ath5k_hw_init(struct ath5k_softc *sc)
>> else
>> ah->ah_version = AR5K_AR5212;
>>
>> + /* Get the MAC revision */
>> + ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER);
>> + ah->ah_mac_revision = AR5K_REG_MS(srev, AR5K_SREV_REV);
>> +
>> /* Fill the ath5k_hw struct with the needed functions */
>> ret = ath5k_hw_init_desc_functions(ah);
>> if (ret)
>> @@ -146,9 +151,7 @@ int ath5k_hw_init(struct ath5k_softc *sc)
>> if (ret)
>> goto err;
>>
>> - /* Get MAC, PHY and RADIO revisions */
>> - ah->ah_mac_srev = srev;
>> - ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER);
>> + /* Get PHY and RADIO revisions */
>> ah->ah_phy_revision = ath5k_hw_reg_read(ah, AR5K_PHY_CHIP_ID) &
>> 0xffffffff;
>> ah->ah_radio_5ghz_revision = ath5k_hw_radio_revision(ah,
>> diff --git a/drivers/net/wireless/ath/ath5k/pci.c
>> b/drivers/net/wireless/ath/ath5k/pci.c
>> index 3f26cf2..4eff891 100644
>> --- a/drivers/net/wireless/ath/ath5k/pci.c
>> +++ b/drivers/net/wireless/ath/ath5k/pci.c
>> @@ -100,6 +100,12 @@ bool ath5k_pci_eeprom_read(struct ath_common *common,
>> u32 offset, u16 *data)
>> return -ETIMEDOUT;
>> }
>>
>> +int ath5k_bus_read_srev(struct ath5k_hw *ah)
>> +{
>> + ah->ah_mac_srev = ath5k_hw_reg_read(ah, AR5K_SREV);
>> + return 0;
>> +}
>> +
>> /* Common ath_bus_opts structure */
>> static const struct ath_bus_ops ath_pci_bus_ops = {
>> .ath_bus_type = ATH_PCI,
>> --
>> 1.7.1
>>
>
> Why not naming that ath5k_hw_read_srev_pci and the other one
> ath5k_hw_read_srev_ahb and name both ath5k_bus_read_srev ? Also please
> at least follow the naming scheme, all hw related functions are
> ath5k_hw_*.
>
Or at least make them all ath5k_<bus type>_* eg ath5k_ahb_read_srev
and ath5k_pci_read_srev, let's keep it clean...
--
GPG ID: 0xD21DB2DB
As you read this post global entropy rises. Have Fun ;-)
Nick
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