diff options
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/rx.c')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/rx.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c index 40dbcbc1659..14a2a0b3d61 100644 --- a/drivers/net/wireless/iwmc3200wifi/rx.c +++ b/drivers/net/wireless/iwmc3200wifi/rx.c @@ -1078,6 +1078,7 @@ static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf, return 0; } +#define CT_KILL_DELAY (30 * HZ) static int iwm_ntf_card_state(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size, struct iwm_wifi_cmd *cmd) { @@ -1090,7 +1091,20 @@ static int iwm_ntf_card_state(struct iwm_priv *iwm, u8 *buf, flags & IWM_CARD_STATE_HW_DISABLED ? "ON" : "OFF", flags & IWM_CARD_STATE_CTKILL_DISABLED ? "ON" : "OFF"); - wiphy_rfkill_set_hw_state(wiphy, flags & IWM_CARD_STATE_HW_DISABLED); + if (flags & IWM_CARD_STATE_CTKILL_DISABLED) { + /* + * We got a CTKILL event: We bring the interface down in + * oder to cool the device down, and try to bring it up + * 30 seconds later. If it's still too hot, we'll go through + * this code path again. + */ + cancel_delayed_work_sync(&iwm->ct_kill_delay); + schedule_delayed_work(&iwm->ct_kill_delay, CT_KILL_DELAY); + } + + wiphy_rfkill_set_hw_state(wiphy, flags & + (IWM_CARD_STATE_HW_DISABLED | + IWM_CARD_STATE_CTKILL_DISABLED)); return 0; } |