* [PATCH] b43: Fix radio ID register reading
@ 2008-01-13 13:12 Michael Buesch
0 siblings, 0 replies; only message in thread
From: Michael Buesch @ 2008-01-13 13:12 UTC (permalink / raw)
To: John Linville; +Cc: bcm43xx-dev, linux-wireless
This fixes reading of the high 16 bits of the radio ID
on new devices. 2055 radios want lo16 to be read first.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
---
For 2.6.25
Index: wireless-2.6/drivers/net/wireless/b43/main.c
===================================================================
--- wireless-2.6.orig/drivers/net/wireless/b43/main.c 2008-01-13 13:26:18.000000000 +0100
+++ wireless-2.6/drivers/net/wireless/b43/main.c 2008-01-13 13:59:27.000000000 +0100
@@ -3136,16 +3136,15 @@ static int b43_phy_versioning(struct b43
else if (dev->dev->bus->chip_rev == 1)
tmp = 0x4205017F;
else
tmp = 0x5205017F;
} else {
b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID);
- tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH);
- tmp <<= 16;
+ tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID);
- tmp |= b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
+ tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) << 16;
}
radio_manuf = (tmp & 0x00000FFF);
radio_ver = (tmp & 0x0FFFF000) >> 12;
radio_rev = (tmp & 0xF0000000) >> 28;
if (radio_manuf != 0x17F /* Broadcom */)
unsupported = 1;
@@ -3164,13 +3163,13 @@ static int b43_phy_versioning(struct b43
break;
case B43_PHYTYPE_G:
if (radio_ver != 0x2050)
unsupported = 1;
break;
case B43_PHYTYPE_N:
- if (radio_ver != 5)
+ if (radio_ver != 0x2055)
unsupported = 1;
break;
default:
B43_WARN_ON(1);
}
if (unsupported) {
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2008-01-13 13:12 [PATCH] b43: Fix radio ID register reading Michael Buesch
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