diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/dvm/eeprom.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/dvm/eeprom.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/eeprom.c b/drivers/net/wireless/intel/iwlwifi/dvm/eeprom.c index 2423125e5284..9f8cdb027839 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/eeprom.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/eeprom.c @@ -676,15 +676,14 @@ static int iwl_eeprom_acquire_semaphore(struct iwl_trans *trans) CSR_HW_IF_CONFIG_REG_EEPROM_OWN_SEM); /* See if we got it */ - ret = iwl_poll_bit(trans, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_EEPROM_OWN_SEM, - CSR_HW_IF_CONFIG_REG_EEPROM_OWN_SEM, - IWL_EEPROM_SEM_TIMEOUT); - if (ret >= 0) { + ret = iwl_poll_bits(trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_EEPROM_OWN_SEM, + IWL_EEPROM_SEM_TIMEOUT); + if (!ret) { IWL_DEBUG_EEPROM(trans->dev, "Acquired semaphore after %d tries.\n", count+1); - return ret; + return 0; } } @@ -797,11 +796,10 @@ static int iwl_read_otp_word(struct iwl_trans *trans, u16 addr, iwl_write32(trans, CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_bit(trans, CSR_EEPROM_REG, - CSR_EEPROM_REG_READ_VALID_MSK, - CSR_EEPROM_REG_READ_VALID_MSK, - IWL_EEPROM_ACCESS_TIMEOUT); - if (ret < 0) { + ret = iwl_poll_bits(trans, CSR_EEPROM_REG, + CSR_EEPROM_REG_READ_VALID_MSK, + IWL_EEPROM_ACCESS_TIMEOUT); + if (ret) { IWL_ERR(trans, "Time out reading OTP[%d]\n", addr); return ret; } @@ -943,14 +941,14 @@ int iwl_read_eeprom(struct iwl_trans *trans, u8 **eeprom, size_t *eeprom_size) return -ENOMEM; ret = iwl_eeprom_verify_signature(trans, nvm_is_otp); - if (ret < 0) { + if (ret) { IWL_ERR(trans, "EEPROM not found, EEPROM_GP=0x%08x\n", gp); goto err_free; } /* Make sure driver (instead of uCode) is allowed to read EEPROM */ ret = iwl_eeprom_acquire_semaphore(trans); - if (ret < 0) { + if (ret) { IWL_ERR(trans, "Failed to acquire EEPROM semaphore.\n"); goto err_free; } @@ -993,11 +991,10 @@ int iwl_read_eeprom(struct iwl_trans *trans, u8 **eeprom, size_t *eeprom_size) iwl_write32(trans, CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_bit(trans, CSR_EEPROM_REG, - CSR_EEPROM_REG_READ_VALID_MSK, - CSR_EEPROM_REG_READ_VALID_MSK, - IWL_EEPROM_ACCESS_TIMEOUT); - if (ret < 0) { + ret = iwl_poll_bits(trans, CSR_EEPROM_REG, + CSR_EEPROM_REG_READ_VALID_MSK, + IWL_EEPROM_ACCESS_TIMEOUT); + if (ret) { IWL_ERR(trans, "Time out reading EEPROM[%d]\n", addr); goto err_unlock; |