FiWi on Fedora 11 on Dell Inspiron 1525 (BCM4312 / Dell Wireless 1395 adapter)

# check if it's the correct version
lspci -knn | grep -i -e network -e Wireless

from http://www.broadcom.com/support/802.11/linux_sta.php download and extract 2.6.29 kernel patch and 32 or 64-bit driver and then run

patch -p1 < patch_2.6.29_kernels
make -C /lib/modules/`uname -r`/build M=`pwd` clean
make -C /lib/modules/`uname -r`/build M=`pwd`
rmmod ndiswrapper b43 ssb bcm43xx b43legacy
# change the following line to reflect your kernel
cp wl.ko /lib/modules/2.6.29.5-191.fc11.i686.PAE/kernel/drivers/net/wireless/
depmod
# and now comes the climax - WiFi led lits up
modprobe wl