ath9k: Read spur channel information from eeprom for AR9485 (d9a2545a) · Commits · 戴 / test

drivers/net/wireless/ath/ath9k/ar9003_phy.c

+32 −3

Original line number	Diff line number	Diff line
		@@ -134,21 +134,50 @@ static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah,
		static const u32 spur_freq[4] = { 2420, 2440, 2464, 2480 };
		int cur_bb_spur, negative = 0, cck_spur_freq;
		int i;
		int range, max_spur_cnts, synth_freq;
		u8 *spur_fbin_ptr = NULL;

		/*
		* Need to verify range +/- 10 MHz in control channel, otherwise spur
		* is out-of-band and can be ignored.
		*/

		for (i = 0; i < 4; i++) {
		if (AR_SREV_9485(ah)) {
		spur_fbin_ptr = ar9003_get_spur_chan_ptr(ah,
		IS_CHAN_2GHZ(chan));
		if (spur_fbin_ptr[0] == 0) /* No spur */
		return;
		max_spur_cnts = 5;
		if (IS_CHAN_HT40(chan)) {
		range = 19;
		if (REG_READ_FIELD(ah, AR_PHY_GEN_CTRL,
		AR_PHY_GC_DYN2040_PRI_CH) == 0)
		synth_freq = chan->channel + 10;
		else
		synth_freq = chan->channel - 10;
		} else {
		range = 10;
		synth_freq = chan->channel;
		}
		} else {
		range = 10;
		max_spur_cnts = 4;
		synth_freq = chan->channel;
		}

		for (i = 0; i < max_spur_cnts; i++) {
		negative = 0;
		cur_bb_spur = spur_freq[i] - chan->channel;
		if (AR_SREV_9485(ah))
		cur_bb_spur = FBIN2FREQ(spur_fbin_ptr[i],
		IS_CHAN_2GHZ(chan)) - synth_freq;
		else
		cur_bb_spur = spur_freq[i] - synth_freq;

		if (cur_bb_spur < 0) {
		negative = 1;
		cur_bb_spur = -cur_bb_spur;
		}
		if (cur_bb_spur < 10) {
		if (cur_bb_spur < range) {
		cck_spur_freq = (int)((cur_bb_spur << 19) / 11);

		if (negative == 1)