diff options
| author | Christian Lamparter <chunkeey@googlemail.com> | 2011-08-15 18:45:54 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-24 14:41:42 -0400 |
| commit | 7ccc83b0fc69d5b18602aa250c10be0d3ae920c6 (patch) | |
| tree | 3c6a3875b294d62df281f77edc0d392cee00a227 /drivers | |
| parent | bfe2ed8f4df2e7b6991c4039bb624dee5f8b6583 (diff) | |
| download | linux-7ccc83b0fc69d5b18602aa250c10be0d3ae920c6.tar.gz linux-7ccc83b0fc69d5b18602aa250c10be0d3ae920c6.tar.bz2 linux-7ccc83b0fc69d5b18602aa250c10be0d3ae920c6.zip | |
carl9170: fix timekeeping for HW_COUNTER firmwares
AR9170_PWR_REG_PLL_ADDAC is used to set the main clock
divisor which affects the AHB/CPU speed. Because this
would interfere with the firmware internal timekeeping,
the function has to be moved into the firmware.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/carl9170.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/fw.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/phy.c | 9 |
3 files changed, 8 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h index c5427a72a1e2..f7dbdaa74c63 100644 --- a/drivers/net/wireless/ath/carl9170/carl9170.h +++ b/drivers/net/wireless/ath/carl9170/carl9170.h @@ -282,6 +282,7 @@ struct ar9170 { bool rx_stream; bool tx_stream; bool rx_filter; + bool hw_counters; unsigned int mem_blocks; unsigned int mem_block_size; unsigned int rx_size; diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c index 39ddea5794f7..f4cae1cccbff 100644 --- a/drivers/net/wireless/ath/carl9170/fw.c +++ b/drivers/net/wireless/ath/carl9170/fw.c @@ -266,6 +266,9 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len) FIF_PROMISC_IN_BSS; } + if (SUPP(CARL9170FW_HW_COUNTERS)) + ar->fw.hw_counters = true; + if (SUPP(CARL9170FW_WOL)) device_set_wakeup_enable(&ar->udev->dev, true); diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c index aa147a9120b6..8635c5c8463c 100644 --- a/drivers/net/wireless/ath/carl9170/phy.c +++ b/drivers/net/wireless/ath/carl9170/phy.c @@ -578,11 +578,10 @@ static int carl9170_init_phy(struct ar9170 *ar, enum ieee80211_band band) if (err) return err; - /* XXX: remove magic! */ - if (is_2ghz) - err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, 0x5163); - else - err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, 0x5143); + if (!ar->fw.hw_counters) { + err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, + is_2ghz ? 0x5163 : 0x5143); + } return err; } |