diff options
| author | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2021-08-05 13:21:57 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-08-26 22:36:10 +0200 |
| commit | eb09ae93dabfd0980f5226dfd0bd531eb87902f5 (patch) | |
| tree | f2baf11488e5e9f0452880b06678bf61b84cb997 /drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | |
| parent | iwlwifi: mvm: Read the PPAG and SAR tables at INIT stage (diff) | |
| download | linux-eb09ae93dabfd0980f5226dfd0bd531eb87902f5.tar.xz linux-eb09ae93dabfd0980f5226dfd0bd531eb87902f5.zip | |
iwlwifi: mvm: load regdomain at INIT stage
We used to load the regdomain only in the load stage,
this caused the 'iw phy phy0 reg get' command to fail if we
booted a machine with wifi off.
Therefor we should load it in INIT stage already.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.a6077801d7d5.I7d8d5c895bc467efbf81ea055dde366ea01cced1@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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; /* |