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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2017-06-27 11:23:56 +0200
committerLuca Coelho <luciano.coelho@intel.com>2017-06-29 20:02:50 +0200
commit52b6e168ae579483d71621e4d64d6491e8973e91 (patch)
tree8abf7822a0f368b567d94783d16d4abfb1469a50 /drivers/net/wireless/intel/iwlwifi/pcie/trans.c
parentiwlwifi: mvm: quietly accept non-sta disassoc frames (diff)
downloadlinux-52b6e168ae579483d71621e4d64d6491e8973e91.tar.xz
linux-52b6e168ae579483d71621e4d64d6491e8973e91.zip
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/trans.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/trans.c21
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);