diff options
| author | Daniel Drake <dsd@gentoo.org> | 2006-08-12 17:59:22 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-08-14 15:43:21 -0400 |
| commit | 98227a90a727029613f23c5e53554f1f4d7a1c89 (patch) | |
| tree | a94d2935976ff102e9919769b3ee1906a5cc2496 /drivers/net | |
| parent | fe7215caa033814cee1e6808e44132b7cefb1a9e (diff) | |
[PATCH] zd1211rw: Match vendor driver IFS values
The vendor driver resets the IFS value every time the channel changes,
to this one.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_chip.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_chip.h | 8 |
2 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index 1a4e2e1f7ca..92ddcd95242 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -807,7 +807,6 @@ static int zd1211_hw_init_hmac(struct zd_chip *chip) { CR_ACK_TIMEOUT_EXT, 0x80 }, { CR_ADDA_PWR_DWN, 0x00 }, { CR_ACK_TIME_80211, 0x100 }, - { CR_IFS_VALUE, 0x547c032 }, { CR_RX_PE_DELAY, 0x70 }, { CR_PS_CTRL, 0x10000000 }, { CR_RTS_CTS_RATE, 0x02030203 }, @@ -854,7 +853,6 @@ static int zd1211b_hw_init_hmac(struct zd_chip *chip) { CR_ACK_TIMEOUT_EXT, 0x80 }, { CR_ADDA_PWR_DWN, 0x00 }, { CR_ACK_TIME_80211, 0x100 }, - { CR_IFS_VALUE, 0x547c032 }, { CR_RX_PE_DELAY, 0x70 }, { CR_PS_CTRL, 0x10000000 }, { CR_RTS_CTS_RATE, 0x02030203 }, @@ -970,10 +968,15 @@ static int hw_init(struct zd_chip *chip) r = hw_init_hmac(chip); if (r) return r; - r = set_beacon_interval(chip, 100); + + /* Although the vendor driver defaults to a different value during + * init, it overwrites the IFS value with the following every time + * the channel changes. We should aim to be more intelligent... */ + r = zd_iowrite32_locked(chip, IFS_VALUE_DEFAULT, CR_IFS_VALUE); if (r) return r; - return 0; + + return set_beacon_interval(chip, 100); } #ifdef DEBUG diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h index 069d2b46733..4a412eea881 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.h +++ b/drivers/net/wireless/zd1211rw/zd_chip.h @@ -473,7 +473,15 @@ #define CR_ACK_TIMEOUT_EXT CTL_REG(0x0690) #define CR_BCN_FIFO_SEMAPHORE CTL_REG(0x0694) + #define CR_IFS_VALUE CTL_REG(0x0698) +#define IFS_VALUE_DIFS_SH 0 +#define IFS_VALUE_EIFS_SH 12 +#define IFS_VALUE_SIFS_SH 24 +#define IFS_VALUE_DEFAULT (( 50 << IFS_VALUE_DIFS_SH) | \ + (1148 << IFS_VALUE_EIFS_SH) | \ + ( 10 << IFS_VALUE_SIFS_SH)) + #define CR_RX_TIME_OUT CTL_REG(0x069C) #define CR_TOTAL_RX_FRM CTL_REG(0x06A0) #define CR_CRC32_CNT CTL_REG(0x06A4) |