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authorFelix Fietkau <nbd@openwrt.org>2010-12-02 10:27:06 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-12-02 15:17:51 -0500
commite7aecd327d80b2f156b54769013aaccb2a20645a (patch)
tree6b0edda6058597dc290bf75dd72883a8480b8250 /drivers/net/wireless
parent8efa5d7d6ad307ae2d220def37ca89594062c40d (diff)
ath5k: Add a function to read chipset's MAC revision
Add bus dependent revision read function which is used to determine chipset's MAC before hardware is initialized. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/ath/ath5k/ath5k.h4
-rw-r--r--drivers/net/wireless/ath/ath5k/attach.c11
-rw-r--r--drivers/net/wireless/ath/ath5k/pci.c6
3 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 5d9fdc2ccfa..5e525eba61b 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1046,6 +1046,7 @@ 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;
@@ -1156,8 +1157,9 @@ 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_hw_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 86f6fec069e..9dbc1fa8179 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_hw_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 3f26cf20019..39f033128c5 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_hw_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,