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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2017-06-27 12:23:56 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2017-06-29 21:02:50 +0300 |
| commit | 52b6e168ae579483d71621e4d64d6491e8973e91 (patch) | |
| tree | 8abf7822a0f368b567d94783d16d4abfb1469a50 /drivers/net/wireless/intel/iwlwifi/pcie | |
| parent | 51da3d8b94485a8397ae7af3bfdb65feaf582202 (diff) | |
| download | linux-52b6e168ae579483d71621e4d64d6491e8973e91.tar.xz | |
iwlwifi: pcie: propagate iwl_pcie_apm_init's status
iwl_pcie_apm_init can fail so make sure that the caller
takes the status into account.
Also, ensure that the error that iwl_pcie_apm_init can emit
will appear in the kernel log by default.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index a7d0b5c5e4a0..cac584cc07b6 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -236,7 +236,8 @@ void iwl_pcie_apm_config(struct iwl_trans *trans) */ static int iwl_pcie_apm_init(struct iwl_trans *trans) { - int ret = 0; + int ret; + IWL_DEBUG_INFO(trans, "Init card's basic functions\n"); /* @@ -287,8 +288,8 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans) CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) { - IWL_DEBUG_INFO(trans, "Failed to init the card\n"); - goto out; + IWL_ERR(trans, "Failed to init the card\n"); + return ret; } if (trans->cfg->host_interrupt_operation_mode) { @@ -336,8 +337,7 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans) set_bit(STATUS_DEVICE_ENABLED, &trans->status); -out: - return ret; + return 0; } /* @@ -514,13 +514,16 @@ static void iwl_pcie_apm_stop(struct iwl_trans *trans, bool op_mode_leave) static int iwl_pcie_nic_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int ret; /* nic_init */ spin_lock(&trans_pcie->irq_lock); - iwl_pcie_apm_init(trans); - + ret = iwl_pcie_apm_init(trans); spin_unlock(&trans_pcie->irq_lock); + if (ret) + return ret; + iwl_pcie_set_pwr(trans, false); iwl_op_mode_nic_config(trans->op_mode); @@ -1658,7 +1661,9 @@ static int _iwl_trans_pcie_start_hw(struct iwl_trans *trans, bool low_power) iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); usleep_range(1000, 2000); - iwl_pcie_apm_init(trans); + err = iwl_pcie_apm_init(trans); + if (err) + return err; iwl_pcie_init_msix(trans_pcie); |