[PATCH 3/3] b43: N-PHY: optimize radio switching on/off
Rafał Miłecki
zajec5 at gmail.com
Tue May 27 13:07:33 PDT 2014
Broadcom's wl 6.30.223.141 has some optimizations for radios 0x205[67].
Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
---
drivers/net/wireless/b43/main.c | 4 +++-
drivers/net/wireless/b43/phy_n.c | 6 ++++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index bf27917..32538ac 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3742,7 +3742,9 @@ static int b43_switch_band(struct b43_wldev *dev,
b43dbg(dev->wl, "Switching to %s GHz band\n",
band_to_string(chan->band));
- b43_software_rfkill(dev, true);
+ /* Some new devices don't need disabling radio for band switching */
+ if (!(phy->type == B43_PHYTYPE_N && phy->rev >= 3))
+ b43_software_rfkill(dev, true);
phy->gmode = gmode;
b43_phy_put_into_reset(dev);
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 98ff806..86569f6 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -5707,10 +5707,12 @@ static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
}
} else {
if (dev->phy.rev >= 7) {
- b43_radio_2057_init(dev);
+ if (!dev->phy.radio_on)
+ b43_radio_2057_init(dev);
b43_switch_channel(dev, dev->phy.channel);
} else if (dev->phy.rev >= 3) {
- b43_radio_init2056(dev);
+ if (!dev->phy.radio_on)
+ b43_radio_init2056(dev);
b43_switch_channel(dev, dev->phy.channel);
} else {
b43_radio_init2055(dev);
--
1.8.4.5
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