ACK: [PATCH][SRU/Xenial] Fix Killer 1535 wifi speed on 5G network

[Seth Forshee]

On Thu, May 25, 2017 at 09:35:02AM +0800, AceLan Kao wrote:
> [Impact]
> The TX throughput on QCA6174 Wireless card (Killer Wireless 1535)
> under 5Ghz network is poor, the test result is around 10 ~ 20 Mbits/sec. 
> 
> [Fix]
> The fix is suggested by Qualcomm, and it works.
> 
> [Test Case]
> Without the patch, the 5GHz network speed is pretty low
>    11n
>       0.0-120.1 sec 271 MBytes 18.9 Mbits/sec
>    11AC
>       0.0-120.2 sec 141 MBytes 9.86 Mbits/sec
> 
> After applied the patch
>    11n
>       0.0-120.0 sec 2.04 GBytes 146 Mbits/sec
>    11AC
>       0.0-120.0 sec 1.17 GBytes 83.6 Mbits/sec
> 
> [MISC]
> Qualcomm doesn't want to upstream this fix, and the ath10k driver architecture
> changes a lot after kernel 4.4 and can't apply this fix. So, I would suggest
> to have this fix as SAUCE patch only included in Ubuntu kernel.
> 
> AceLan Kao (1):
>   UBUNTU: SAUCE: ath10k: fix the wifi speed issue for kill 1535

Looks safe, positive testing.

Acked-by: Seth Forshee <seth.forshee at canonical.com>