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Commit 73a06a68 authored by Nick Kossifidis's avatar Nick Kossifidis Committed by John W. Linville
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ath5k: Use correct clock when setting ofdm timings 



 * Use correct clock value when setting OFDM timings on
 non-default bwmodes.

 Signed-off-by: default avatarNick Kossifidis <mickflemm@gmail.com>

Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3bb17654

drivers/net/wireless/ath/ath5k/phy.c

+14 −2
Original line number Diff line number Diff line
@@ -228,8 +228,20 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah, 
	 * ALGO: coef = (5 * clock / carrier_freq) / 2

	 * we scale coef by shifting clock value by 24 for

	 * better precision since we use integers */

	/* TODO: Half/quarter rate */

	clock =  (channel->hw_value & CHANNEL_TURBO) ? 80 : 40;

	switch (ah->ah_bwmode) {

	case AR5K_BWMODE_40MHZ:

		clock = 40 * 2;

		break;

	case AR5K_BWMODE_10MHZ:

		clock = 40 / 2;

		break;

	case AR5K_BWMODE_5MHZ:

		clock = 40 / 4;

		break;

	default:

		clock = 40;

		break;

	}

	coef_scaled = ((5 * (clock << 24)) / 2) / channel->center_freq;



	/* Get exponent