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b43: N-PHY: set band on every channel switch

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Seems to be required by some hardware, wl does it every time.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2014-07-17 19:31:04 +02:00 committed by John W. Linville
parent ef0d635ed1
commit c9325e2f24
2 changed files with 10 additions and 8 deletions
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16
drivers/net/wireless/b43/phy_n.c
View File

@ -6058,23 +6058,23 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev,
struct b43_phy *phy = &dev->phy;
struct b43_phy_n *nphy = dev->phy.n;
int ch = new_channel->hw_value;
u16 old_band_5ghz;
u16 tmp16;
old_band_5ghz =
b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
if (new_channel->band == IEEE80211_BAND_5GHZ) {
tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
/* Put BPHY in the reset */
b43_phy_set(dev, B43_PHY_B_BBCFG,
B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX);
b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
} else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
} else if (new_channel->band == IEEE80211_BAND_2GHZ) {
b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
/* Take BPHY out of the reset */
b43_phy_mask(dev, B43_PHY_B_BBCFG,
(u16)~(B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX));
b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
}

2
drivers/net/wireless/b43/phy_n.h
View File

@ -869,6 +869,8 @@
#define B43_NPHY_REV7_RF_CTL_OVER6 B43_PHY_N(0x347)
#define B43_PHY_B_BBCFG B43_PHY_N_BMODE(0x001) /* BB config */
#define B43_PHY_B_BBCFG_RSTCCA 0x4000 /* Reset CCA */
#define B43_PHY_B_BBCFG_RSTRX 0x8000 /* Reset RX */
#define B43_PHY_B_TEST B43_PHY_N_BMODE(0x00A)
struct b43_wldev;