diff options
| author | Alina Friedrichsen <x-alina@gmx.net> | 2009-02-25 00:49:18 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-03-05 20:39:30 +0100 |
| commit | 5fe73197d359248cbf32dfd3280540d6a0dfd31c (patch) | |
| tree | 87ae431ca5bea9e5874b2f7cfd50b632b4845ab5 /drivers/net/wireless/zd1211rw/zd_chip.c | |
| parent | ath9k: Add module parameter to disable hardware crypto (diff) | |
| download | linux-5fe73197d359248cbf32dfd3280540d6a0dfd31c.tar.xz linux-5fe73197d359248cbf32dfd3280540d6a0dfd31c.zip | |
zd1211rw: Implement get_tsf()
This patch implements get_tsf() of ieee80211_ops in the zd1211rw driver.
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_chip.c')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_chip.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index f1519143f8a6..2c813d87092c 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -1616,3 +1616,24 @@ int zd_chip_set_multicast_hash(struct zd_chip *chip, return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs)); } + +u64 zd_chip_get_tsf(struct zd_chip *chip) +{ + int r; + static const zd_addr_t aw_pt_bi_addr[] = + { CR_TSF_LOW_PART, CR_TSF_HIGH_PART }; + u32 values[2]; + u64 tsf; + + mutex_lock(&chip->mutex); + r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr, + ARRAY_SIZE(aw_pt_bi_addr)); + mutex_unlock(&chip->mutex); + if (r) + return 0; + + tsf = values[1]; + tsf = (tsf << 32) | values[0]; + + return tsf; +} |