diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 2fbb7cdf00a4..03387a5f8cbc 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -1381,6 +1381,25 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, reg_query_regdb_wmm(regd->alpha2, center_freq, rule); } + /* + * Certain firmware versions might report no valid channels + * if booted in RF-kill, i.e. not all calibrations etc. are + * running. We'll get out of this situation later when the + * rfkill is removed and we update the regdomain again, but + * since cfg80211 doesn't accept an empty regdomain, add a + * dummy (unusable) rule here in this case so we can init. + */ + if (!valid_rules) { + valid_rules = 1; + rule = ®d->reg_rules[valid_rules - 1]; + rule->freq_range.start_freq_khz = MHZ_TO_KHZ(2412); + rule->freq_range.end_freq_khz = MHZ_TO_KHZ(2413); + rule->freq_range.max_bandwidth_khz = MHZ_TO_KHZ(1); + rule->power_rule.max_antenna_gain = DBI_TO_MBI(6); + rule->power_rule.max_eirp = + DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER); + } + regd->n_reg_rules = valid_rules; /* |