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Commit d7bb7ca8 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
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b43: HT-PHY: implement MAC reclocking 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 2dacfe7c

drivers/net/wireless/b43/phy_ht.c

+18 −0
Original line number Diff line number Diff line
@@ -290,6 +290,7 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, 
{

	struct bcma_device *core = dev->dev->bdev;

	int spuravoid = 0;

	u16 tmp;



	/* Check for 13 and 14 is just a guess, we don't have enough logs. */

	if (new_channel->hw_value == 13 || new_channel->hw_value == 14)
@@ -301,6 +302,23 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, 
			  B43_BCMA_CLKCTLST_PHY_PLL_REQ,

			  B43_BCMA_CLKCTLST_80211_PLL_ST |

			  B43_BCMA_CLKCTLST_PHY_PLL_ST, false);



	/* Values has been taken from wlc_bmac_switch_macfreq comments */

	switch (spuravoid) {

	case 2: /* 126MHz */

		tmp = 0x2082;

		break;

	case 1: /* 123MHz */

		tmp = 0x5341;

		break;

	default: /* 120MHz */

		tmp = 0x8889;

	}



	b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, tmp);

	b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);



	/* TODO: reset PLL */

}



static void b43_phy_ht_channel_setup(struct b43_wldev *dev,