diff options
author | Reinette Chatre <reinette.chatre@intel.com> | 2008-01-23 10:15:19 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-01-31 19:26:42 -0800 |
commit | 74a3a2509dccba5b4e5eb5808cc59edf2c21560b (patch) | |
tree | f59dab05b15d71e570012b99dfda28cf5749d360 /drivers/net/wireless/iwlwifi/iwl3945-base.c | |
parent | 849e0dcea6b28a900e4743c1ada6db752fced5a9 (diff) |
iwlwifi: cleanup usage of inline functions
Be consistent when using inline functions. If the function only used
once we move it to where it is used - no need for externs.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index f96a1a2e90f4..8cef48c9d748 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1557,6 +1557,20 @@ static void get_eeprom_mac(struct iwl3945_priv *priv, u8 *mac) memcpy(mac, priv->eeprom.mac_address, 6); } +/* + * Clear the OWNER_MSK, to establish driver (instead of uCode running on + * embedded controller) as EEPROM reader; each read is a series of pulses + * to/from the EEPROM chip, not a single event, so even reads could conflict + * if they weren't arbitrated by some ownership mechanism. Here, the driver + * simply claims ownership, which should be safe when this function is called + * (i.e. before loading uCode!). + */ +static inline int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv) +{ + _iwl3945_clear_bit(priv, CSR_EEPROM_GP, CSR_EEPROM_GP_IF_OWNER_MSK); + return 0; +} + /** * iwl3945_eeprom_init - read EEPROM contents * |