diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2013-07-24 07:19:06 (GMT) |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-07-26 08:05:25 (GMT) |
| commit | 2997494fa66a1c94717d69c3cfae0a94462093c6 (patch) | |
| tree | 748626df6f60b5f013cbc01b3b119b153129d9a5 /drivers/net | |
| parent | bb963c4a43eb5127eb0bbfa16c7a6a209b0af5db (diff) | |
| download | linux-fsl-qoriq-2997494fa66a1c94717d69c3cfae0a94462093c6.tar.xz | |
iwlwifi: pcie: reset the NIC before the bring up
This allows to clean all kinds of bad state it might be in.
This solves situation where HW RFkill was switched while
the NIC was offline.
Until now, we relied on the firmware to do clean the
interrupt, but new firmwares don't do that any more.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 826c156..96cfcdd 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -670,6 +670,11 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans) return err; } + /* Reset the entire device */ + iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + + usleep_range(10, 15); + iwl_pcie_apm_init(trans); /* From now on, the op_mode will be kept updated about RF kill state */ |