Hi,
On a DELL D630 with BCM4312 (low-power PHY 4e4:4315 rev 01), I was able to fix the problem:
Aug 15 17:14:45 dimitri kernel: b43-phy0 debug: RC calib: Failed to switch to channel 7, error = -5
by bumping the radio's version (0x2062 rev 2) to 0x2063 (kept rev 2).
Before the fix, the hardware detected as:
Aug 15 17:14:45 dimitri kernel: b43-phy0: Broadcom 4312 WLAN found (core revision 15)
Aug 15 17:14:45 dimitri kernel: b43-phy0 debug: Found PHY: Analog 6, Type 5, Revision 1
Aug 15 17:14:45 dimitri kernel: b43-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2062, Revision 2
The problem manifested itself (permanently) as:
Aug 15 18:18:10 dimitri kernel: b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23)
Aug 15 18:18:10 dimitri kernel: b43-phy0 debug: b2062: Using crystal tab entry 19200 kHz.
Aug 15 18:18:10 dimitri kernel: b43-phy0 debug: RC calib: Failed to switch to channel 7, error = -5
The patch follows, tested on 2.6.32.18 and 2.6.35.2, both built for x86_64.
---
b43: Bump the radio version 0x2063-rev-2 to 0x2063.
Signed-off-by: <dimitri.gorokhovik@xxxxxxx>
---
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 7965b70..d245a23 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4084,6 +4084,7 @@ static int b43_phy_versioning(struct b43_wldev *dev)
case B43_PHYTYPE_LP:
if (radio_ver != 0x2062 && radio_ver != 0x2063)
unsupported = 1;
+ radio_ver += radio_rev > 1;
break;
default:
B43_WARN_ON(1);
--
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