diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2009-12-14 14:12:09 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-12-21 11:32:07 -0500 |
| commit | b7bb1756cb6a610cdbac8cfdad9e79bb5670b63b (patch) | |
| tree | 5c4d75da72c31eb33f9c2c18827018a62ac3093c /drivers/net/wireless/iwlwifi/iwl-5000-hw.h | |
| parent | af6b8ee38833b39f70946f767740565ceb126961 (diff) | |
iwlwifi: fix more eeprom endian bugs
I've also for a long time had a problem with the
temperature calculation code, which I had fixed
by byte-swapping the values, and now it turns out
that was the correct fix after all.
Also, any use of iwl_eeprom_query_addr() that is
for more than a u8 must be cast to little endian,
and some structs as well.
Fix all this. Again, no real impact on platforms
that already are little endian.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: stable@kernel.org
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-5000-hw.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000-hw.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000-hw.h b/drivers/net/wireless/iwlwifi/iwl-5000-hw.h index 4ef6804a455..bc056e9ab85 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-5000-hw.h @@ -92,11 +92,15 @@ static inline s32 iwl_temp_calib_to_offset(struct iwl_priv *priv) { - u16 *temp_calib = (u16 *)iwl_eeprom_query_addr(priv, - EEPROM_5000_TEMPERATURE); - /* offset = temperature - voltage / coef */ - s32 offset = (s32)(temp_calib[0] - temp_calib[1] / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF); - return offset; + u16 temperature, voltage; + __le16 *temp_calib = + (__le16 *)iwl_eeprom_query_addr(priv, EEPROM_5000_TEMPERATURE); + + temperature = le16_to_cpu(temp_calib[0]); + voltage = le16_to_cpu(temp_calib[1]); + + /* offset = temp - volt / coeff */ + return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF); } /* Fixed (non-configurable) rx data from phy */ |