Why you didn't cc linux-wireless?!?! On 27 February 2017 at 21:28, Alban <albeu@xxxxxxx> wrote: > @@ -513,6 +515,43 @@ static void ath9k_eeprom_release(struct ath_softc *sc) > release_firmware(sc->sc_ah->eeprom_blob); > } > > +#ifdef CONFIG_OF > +static int ath9k_init_of(struct ath_softc *sc) > +{ > + struct device_node *np = sc->dev->of_node; > + struct ath_hw *ah = sc->sc_ah; > + const void *macaddr; > + struct clk *clk; > + int ret = 0; > + > + if (!np) { > + dev_err(sc->dev, "no platform data or OF node\n"); > + return -EINVAL; > + } > + > + clk = clk_get(sc->dev, "ref"); > + if (!IS_ERR(clk)) { > + ah->is_clk_25mhz = (clk_get_rate(clk) == 25000000); > + clk_put(clk); > + } > + > + ah->disable_2ghz = of_property_read_bool(np, "qca,disable-2ghz"); > + ah->disable_5ghz = of_property_read_bool(np, "qca,disable-5ghz"); Please use ieee80211-freq-limit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b330b25eaabda00d74e47566d9200907da381896 Most likely with the wiphy_read_of_freq_limits helper: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e691ac2f75b69bee743f0370d79454ba4429b17 Example: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f83ff69735651cc7a3d150466a5257ff829b62b