at booting startup shows message info@wl_registered 80211 attach phy and then login screen shows and boots normally.

[ganesh]

following r more details.

ganesh@ganesh-Inspiron-3542:~$ dmesg | grep cfg80211
[ 12.061937] cfg80211: Calling CRDA to update world regulatory domain
[ 13.302448] cfg80211: World regulatory domain updated:
[ 13.302452] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 13.302455] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 13.302456] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 13.302458] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 13.302459] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 13.302461] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 13.791343] INFO @wl_cfg80211_attach : Registered CFG80211 phy
[ 14.580990] Modules linked in: snd_hda_intel(+) i915(+) snd_hda_codec lib80211_crypt_tkip snd_hwdep wl(POX) uvcvideo snd_pcm intel_rapl btusb x86_pkg_temp_thermal intel_powerclamp snd_seq_midi snd_rawmidi coretemp videobuf2_core snd_seq_midi_event kvm_intel drm_kms_helper videodev drm kvm snd_seq bluetooth cfg80211 rts5139(C) joydev videobuf2_vmalloc videobuf2_memops lib80211 crct10dif_pclmul snd_seq_device hid_rmi crc32_pclmul snd_timer mei_me i2c_hid hid mei snd aesni_intel xhci_quirk(OX) dell_wmi soundcore sparse_keymap snd_page_alloc ablk_helper shpchp cryptd lrw i2c_algo_bit i2c_designware_platform dm_multipath gf128mul wmi dell_laptop(OX) scsi_dh i2c_designware_core dcdbas lpc_ich mac_hid serio_raw dw_dmac dw_dmac_core glue_helper aes_x86_64 video binfmt_misc lp parport ahci r8169 libahci mii dm_mirror dm_region_hash dm_log
ganesh@ganesh-Inspiron-3542:~$ lspci
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Device 0a0c (rev 0b)
00:14.0 USB controller: Intel Corporation Lynx Point-LP USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation Lynx Point-LP HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 1 (rev e4)
00:1c.2 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 4 (rev e4)
00:1d.0 USB controller: Intel Corporation Lynx Point-LP USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Lynx Point-LP LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation Lynx Point-LP SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation Lynx Point-LP SMBus Controller (rev 04)
06:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
07:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 07)
ganesh@ganesh-Inspiron-3542:~$