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b43: N-PHY: simplify channel switching

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2010-10-06 07:50:06 +02:00 committed by John W. Linville
parent d537f5fdfc
commit 5e7ee098ce
1 changed files with 11 additions and 16 deletions
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27
drivers/net/wireless/b43/phy_n.c
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@ -73,7 +73,8 @@ static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
u16 value, u8 core, bool off); u16 value, u8 core, bool off);
static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field, static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
u16 value, u8 core); u16 value, u8 core);
static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel); static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
unsigned int new_channel);
static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec) static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec)
{ {
@ -223,7 +224,7 @@ static void b43_radio_init2055_post(struct b43_wldev *dev)
if (i) if (i)
b43err(dev->wl, "radio post init timeout\n"); b43err(dev->wl, "radio post init timeout\n");
b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F); b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
nphy_channel_switch(dev, dev->phy.channel); b43_nphy_op_switch_channel(dev, dev->phy.channel);
b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9); b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9); b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83); b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
@ -3438,18 +3439,6 @@ static int b43_nphy_set_chanspec(struct b43_wldev *dev,
return 0; return 0;
} }
/* Tune the hardware to a new channel */
static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
{
struct b43_phy_n *nphy = dev->phy.n;
struct b43_chanspec chanspec;
chanspec = nphy->radio_chanspec;
chanspec.channel = channel;
return b43_nphy_set_chanspec(dev, chanspec);
}
static int b43_nphy_op_allocate(struct b43_wldev *dev) static int b43_nphy_op_allocate(struct b43_wldev *dev)
{ {
struct b43_phy_n *nphy; struct b43_phy_n *nphy;
@ -3570,7 +3559,7 @@ static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
} else { } else {
if (dev->phy.rev >= 3) { if (dev->phy.rev >= 3) {
b43_radio_init2056(dev); b43_radio_init2056(dev);
b43_nphy_set_chanspec(dev, nphy->radio_chanspec); b43_nphy_op_switch_channel(dev, dev->phy.channel);
} else { } else {
b43_radio_init2055(dev); b43_radio_init2055(dev);
} }
@ -3586,6 +3575,9 @@ static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
static int b43_nphy_op_switch_channel(struct b43_wldev *dev, static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
unsigned int new_channel) unsigned int new_channel)
{ {
struct b43_phy_n *nphy = dev->phy.n;
struct b43_chanspec chanspec;
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if ((new_channel < 1) || (new_channel > 14)) if ((new_channel < 1) || (new_channel > 14))
return -EINVAL; return -EINVAL;
@ -3594,7 +3586,10 @@ static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
return -EINVAL; return -EINVAL;
} }
return nphy_channel_switch(dev, new_channel); chanspec = nphy->radio_chanspec;
chanspec.channel = new_channel;
return b43_nphy_set_chanspec(dev, chanspec);
} }
static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev) static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)