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authorRafał Miłecki <zajec5@gmail.com>2014-09-10 11:07:13 +0400
committerJohn W. Linville <linville@tuxdriver.com>2014-09-11 23:27:36 +0400
commitbc944506551536dca2b85188b34cc2cf556492db (patch)
tree1f55c04f63cd86dfc20027098b444d2f02150069 /drivers/net/wireless/b43
parentdbb30ebeefaf01121b32ae6b5baf29524f3a0b30 (diff)
downloadlinux-bc944506551536dca2b85188b34cc2cf556492db.tar.xz
b43: HT-PHY: Set MAC frequency to correct values
I misunderstood original Broadcom comment and used wrong values. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43')
-rw-r--r--drivers/net/wireless/b43/main.c17
-rw-r--r--drivers/net/wireless/b43/phy_ht.c16
2 files changed, 17 insertions, 16 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 66ff718cc412..165dbc35eba2 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2985,7 +2985,22 @@ void b43_mac_switch_freq(struct b43_wldev *dev, u8 spurmode)
{
u16 chip_id = dev->dev->chip_id;
- if (chip_id == BCMA_CHIP_ID_BCM43131 ||
+ if (chip_id == BCMA_CHIP_ID_BCM4331) {
+ switch (spurmode) {
+ case 2: /* 168 Mhz: 2^26/168 = 0x61862 */
+ b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x1862);
+ b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x6);
+ break;
+ case 1: /* 164 Mhz: 2^26/164 = 0x63e70 */
+ b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x3e70);
+ b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x6);
+ break;
+ default: /* 160 Mhz: 2^26/160 = 0x66666 */
+ b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 0x6666);
+ b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x6);
+ break;
+ }
+ } else if (chip_id == BCMA_CHIP_ID_BCM43131 ||
chip_id == BCMA_CHIP_ID_BCM43217 ||
chip_id == BCMA_CHIP_ID_BCM43222 ||
chip_id == BCMA_CHIP_ID_BCM43224 ||
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c
index de52d4869ef2..a3796029bae6 100644
--- a/drivers/net/wireless/b43/phy_ht.c
+++ b/drivers/net/wireless/b43/phy_ht.c
@@ -728,7 +728,6 @@ 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)
@@ -741,20 +740,7 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev,
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);
+ b43_mac_switch_freq(dev, spuravoid);
/* TODO: reset PLL */