diff options
| author | Zhu, Yi <yi.zhu@intel.com> | 2008-12-11 10:33:36 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-12-12 14:45:33 -0500 |
| commit | 3d5717ade01ce22511f2992f150bf6644b21c377 (patch) | |
| tree | 03d223be4bdd43cad502b59e8d8dc5ddf5873754 /drivers/net/wireless/iwlwifi/iwl-eeprom.c | |
| parent | 9c5f89b3f6580cca21dca4ede940900c5b3c3a81 (diff) | |
iwlwifi: use iwl_poll_direct_bit in EEPROM reading
The patch replaces the current reading EEPROM loop iterations with
iwl_poll_direct_bit(). It also fixes some comment error.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
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-eeprom.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-eeprom.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index a47fa38e52f..ce2f47306ce 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -209,10 +209,8 @@ int iwl_eeprom_init(struct iwl_priv *priv) { u16 *e; u32 gp = iwl_read32(priv, CSR_EEPROM_GP); - u32 r; int sz = priv->cfg->eeprom_size; int ret; - int i; u16 addr; /* allocate eeprom */ @@ -240,22 +238,19 @@ int iwl_eeprom_init(struct iwl_priv *priv) /* eeprom is an array of 16bit values */ for (addr = 0; addr < sz; addr += sizeof(u16)) { - _iwl_write32(priv, CSR_EEPROM_REG, addr << 1); - _iwl_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); - - for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT; - i += IWL_EEPROM_ACCESS_DELAY) { - r = _iwl_read_direct32(priv, CSR_EEPROM_REG); - if (r & CSR_EEPROM_REG_READ_VALID_MSK) - break; - udelay(IWL_EEPROM_ACCESS_DELAY); - } + u32 r; + + _iwl_write32(priv, CSR_EEPROM_REG, + CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - if (!(r & CSR_EEPROM_REG_READ_VALID_MSK)) { + ret = iwl_poll_direct_bit(priv, CSR_EEPROM_REG, + CSR_EEPROM_REG_READ_VALID_MSK, + IWL_EEPROM_ACCESS_TIMEOUT); + if (ret < 0) { IWL_ERROR("Time out reading EEPROM[%d]\n", addr); - ret = -ETIMEDOUT; goto done; } + r = _iwl_read_direct32(priv, CSR_EEPROM_REG); e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16)); } ret = 0; |