> 2010/11/26 Wojciech Dubowik <dubowoj@xxxxxxxxxxx>:
> > From: Felix Fietkau <nbd@xxxxxxxxxxx>
> >
> > Add bus dependent revision read function which is used to
> > determine chipset's MAC before hardware is initialized.
> >
> > Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
> > Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@xxxxxxxxxxx>
> > ---
> > Âdrivers/net/wireless/ath/ath5k/ath5k.h Â| Â Â5 +++--
> > Âdrivers/net/wireless/ath/ath5k/attach.c | Â 11 +++++++----
> > Âdrivers/net/wireless/ath/ath5k/pci.c  Â|  Â6 ++++++
> > Â3 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 {
> > Â Â Â Âu32 Â Â Â Â Â Â Â Â Â Â ah_phy;
> > Â Â Â Âu32 Â Â Â Â Â Â Â Â Â Â ah_mac_srev;
> > Â Â Â Âu16 Â Â Â Â Â Â Â Â Â Â ah_mac_version;
> > + Â Â Â u16 Â Â Â Â Â Â Â Â Â Â ah_mac_revision;
> > Â Â Â Âu16 Â Â Â Â Â Â Â Â Â Â ah_phy_revision;
> > Â Â Â Âu16 Â Â Â Â Â Â Â Â Â Â ah_radio_5ghz_revision;
> > Â Â Â Âu16 Â Â Â Â Â Â Â Â Â Â ah_radio_2ghz_revision;
> > @@ -1143,9 +1144,9 @@ void ath5k_hw_deinit(struct ath5k_hw *ah);
> > Âint ath5k_sysfs_register(struct ath5k_softc *sc);
> > Âvoid ath5k_sysfs_unregister(struct ath5k_softc *sc);
> >
> > -/*Chip id helper function */
> > +/*Chip id helper functions */
> > Âconst char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t
> val);
> > -
> > +int ath5k_bus_read_srev(struct ath5k_hw *ah);
> >
> > Â/* LED functions */
> > Âint 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)
> > Â Â Â Â/*
> > Â Â Â Â * Find the mac version
> > Â Â Â Â */
> > - Â Â Â srev = ath5k_hw_reg_read(ah, AR5K_SREV);
> > + Â Â Â ath5k_bus_read_srev(ah);
> > + Â Â Â srev = ah->ah_mac_srev;
> > Â Â Â Âif (srev < AR5K_SREV_AR5311)
> > Â Â Â Â Â Â Â Âah->ah_version = AR5K_AR5210;
> > Â Â Â Âelse if (srev < AR5K_SREV_AR5212)
> > @@ -136,6 +137,10 @@ int ath5k_hw_init(struct ath5k_softc *sc)
> > Â Â Â Âelse
> > Â Â Â Â Â Â Â Âah->ah_version = AR5K_AR5212;
> >
> > + Â Â Â /* Get the MAC revision */
> > + Â Â Â ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER);
> > + Â Â Â ah->ah_mac_revision = AR5K_REG_MS(srev, AR5K_SREV_REV);
> > +
> > Â Â Â Â/* Fill the ath5k_hw struct with the needed functions */
> > Â Â Â Âret = ath5k_hw_init_desc_functions(ah);
> > Â Â Â Âif (ret)
> > @@ -146,9 +151,7 @@ int ath5k_hw_init(struct ath5k_softc *sc)
> > Â Â Â Âif (ret)
> > Â Â Â Â Â Â Â Âgoto err;
> >
> > - Â Â Â /* Get MAC, PHY and RADIO revisions */
> > - Â Â Â ah->ah_mac_srev = srev;
> > - Â Â Â ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER);
> > + Â Â Â /* Get PHY and RADIO revisions */
> > Â Â Â Âah->ah_phy_revision = ath5k_hw_reg_read(ah, AR5K_PHY_CHIP_ID)
> &
> > Â Â Â Â Â Â Â Â Â Â Â Â0xffffffff;
> > Â Â Â Âah->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)
> > Â Â Â Âreturn -ETIMEDOUT;
> > Â}
> >
> > +int ath5k_bus_read_srev(struct ath5k_hw *ah)
> > +{
> > + Â Â Â ah->ah_mac_srev = ath5k_hw_reg_read(ah, AR5K_SREV);
> > + Â Â Â return 0;
> > +}
> > +
> > Â/* Common ath_bus_opts structure */
> > Âstatic const struct ath_bus_ops ath_pci_bus_ops = {
> > Â Â Â Â.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_*.
>
This will be fixed in new patch series.
I could also make it part of ath_bus_ops but then it will mean a bit
more global change.
Something like:
struct ath_bus_ops {
...
int (*read_srev)(struct ath_common *common);
}
Wojtek
>
>
> --
> GPG ID: 0xD21DB2DB
> As you read this post global entropy rises. Have Fun ;-)
> Nick
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