Comment 128 for bug 1383184

Workaround is not working for me at all:

[ 2995.551279] ath10k_pci 0000:03:00.0: pci irq msi-x interrupts 8 irq_mode 0 reset_mode 0
[ 2995.737586] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/cal-pci-0000:03:00.0.bin failed with error -2
[ 2996.915559] ath10k_pci 0000:03:00.0: firmware crashed! (uuid 3ad71d9a-8fd2-43b9-ae4c-c8ee9d7ed375)
[ 2996.915571] ath10k_pci 0000:03:00.0: qca6174 hw2.1 (0x05010000, 0x003405ff) fw killer-n1525-fw api 4 htt 0.0 wmi 4 cal otp max_sta 32
[ 2996.915574] ath10k_pci 0000:03:00.0: debug 0 debugfs 1 tracing 1 dfs 0 testmode 0
[ 2996.917595] ath10k_pci 0000:03:00.0: firmware register dump:
[ 2996.917597] ath10k_pci 0000:03:00.0: [00]: 0x05010000 0x000015B3 0x0095186B 0x00955B31
[ 2996.917599] ath10k_pci 0000:03:00.0: [04]: 0x0095186B 0x00060130 0x00000010 0x0040AF04
[ 2996.917610] ath10k_pci 0000:03:00.0: [08]: 0x00000018 0x00000001 0x00000001 0x00412250
[ 2996.917612] ath10k_pci 0000:03:00.0: [12]: 0x00000009 0x00000000 0x0096C09C 0x0096C0A7
[ 2996.917613] ath10k_pci 0000:03:00.0: [16]: 0x0096BDBC 0x009286B6 0x00000000 0x00000000
[ 2996.917615] ath10k_pci 0000:03:00.0: [20]: 0x4095186B 0x0040E160 0x0041F86C 0x00000001
[ 2996.917616] ath10k_pci 0000:03:00.0: [24]: 0x80936238 0x0040E1C0 0x00000000 0xC095186B
[ 2996.917618] ath10k_pci 0000:03:00.0: [28]: 0x80936361 0x0040E1E0 0x00000000 0x0041C91C
[ 2996.917619] ath10k_pci 0000:03:00.0: [32]: 0x80934A67 0x0040E200 0x00436DF0 0x0040E250
[ 2996.917620] ath10k_pci 0000:03:00.0: [36]: 0x809A606A 0x0040E250 0x00427608 0x00000001
[ 2996.917622] ath10k_pci 0000:03:00.0: [40]: 0x809A60C2 0x0040E290 0x00426F98 0x00000004
[ 2996.917623] ath10k_pci 0000:03:00.0: [44]: 0x809A61A2 0x0040E2B0 0x00426F98 0x0041C91C
[ 2996.917625] ath10k_pci 0000:03:00.0: [48]: 0x800A0909 0x0040E2D0 0x00426F98 0x004275F8
[ 2996.917626] ath10k_pci 0000:03:00.0: [52]: 0x800A024A 0x0040E2F0 0x0041ABF0 0x00420460
[ 2996.917627] ath10k_pci 0000:03:00.0: [56]: 0x809287D9 0x0040E310 0x00000000 0x00400000
[ 2997.908111] ath10k_pci 0000:03:00.0: failed to receive control response completion, polling..
[ 2998.908137] ath10k_pci 0000:03:00.0: ctl_resp never came in (-110)
[ 2998.908143] ath10k_pci 0000:03:00.0: failed to connect to HTC: -110
[ 2998.984611] ath10k_pci 0000:03:00.0: could not init core (-110)
[ 2998.984651] ath10k_pci 0000:03:00.0: could not probe fw (-110)
[ 2998.992144] ath10k_pci 0000:03:00.0: cannot restart a device that hasn't been started

lspci -nn |grep 003e
03:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:003e] (rev 20)

modinfo ath10k_pci |grep 003E
alias: pci:v0000168Cd0000003Esv*sd*bc*sc*i*

uname -a
Linux antracite 4.1.0-040100rc2-generic #201505032335 SMP Mon May 4 03:36:35 UTC 2015 x86_64