diff options
| author | Luca Coelho <luciano.coelho@intel.com> | 2017-12-12 08:58:41 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2018-04-26 15:18:07 +0300 |
| commit | 49564a806fc5551ef22140e9aa4e29c6788d3eb0 (patch) | |
| tree | 27985ddcfae067d87b3c4cb12e9661aaec377232 /drivers/net/wireless/intel/iwlwifi/iwl-modparams.h | |
| parent | de460ddd8b795ceca8a826771ef8feb016bb438d (diff) | |
iwlwifi: pcie: remove non-responsive device
If we fail to to grab NIC access because the device is not responding
(i.e. CSR_GP_CNTRL returns 0xFFFFFFFF), remove the device from the PCI
bus, to avoid any further damage, and to let the user space rescan.
In order to inform the userspace that a rescan is needed, we send a
kobject uevent with "INACCESSIBLE".
This functionality is disabled by default, but can be enabled via a
new module parameter called "remove_when_gone". In the future we may
change this module parameter to include 3 modes instead: do nothing;
auto-rescan or; send uevent.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Rajat Jain <rajatja@google.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-modparams.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-modparams.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h index a41c46e63eb1..a7dd8a8cddf9 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h @@ -122,6 +122,7 @@ enum iwl_uapsd_disable { * @lar_disable: disable LAR (regulatory), default = 0 * @fw_monitor: allow to use firmware monitor * @disable_11ac: disable VHT capabilities, default = false. + * @remove_when_gone: remove an inaccessible device from the PCIe bus. */ struct iwl_mod_params { int swcrypto; @@ -143,6 +144,7 @@ struct iwl_mod_params { bool lar_disable; bool fw_monitor; bool disable_11ac; + bool remove_when_gone; }; #endif /* #__iwl_modparams_h__ */ |