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Commit 17869f4f authored by Vasanthakumar Thiagarajan's avatar Vasanthakumar Thiagarajan Committed by John W. Linville
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ath9k_hw: Configure RF channel freqency for AR9340 



Signed-off-by: default avatarVasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent d1395d85

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

+20 −3
Original line number Diff line number Diff line
@@ -86,14 +86,31 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan) 
			channelSel = (freq * 4) / 120;

			chan_frac = (((freq * 4) % 120) * 0x20000) / 120;

			channelSel = (channelSel << 17) | chan_frac;

		} else if (AR_SREV_9340(ah)) {

			if (ah->is_clk_25mhz) {

				u32 chan_frac;



				channelSel = (freq * 2) / 75;

				chan_frac = (((freq * 2) % 75) * 0x20000) / 75;

				channelSel = (channelSel << 17) | chan_frac;

			} else

				channelSel = CHANSEL_2G(freq) >> 1;

		} else

			channelSel = CHANSEL_2G(freq);

		/* Set to 2G mode */

		bMode = 1;

	} else {

		if (AR_SREV_9340(ah) && ah->is_clk_25mhz) {

			u32 chan_frac;



			channelSel = (freq * 2) / 75;

			chan_frac = ((freq % 75) * 0x20000) / 75;

			channelSel = (channelSel << 17) | chan_frac;

		} else {

			channelSel = CHANSEL_5G(freq);

			/* Doubler is ON, so, divide channelSel by 2. */

			channelSel >>= 1;

		}

		/* Set to 5G mode */

		bMode = 0;

	}