lkml.org 
[lkml]   [2018]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: REGRESSION: "wlcore: sdio: allow pm to handle sdio power" breaks wifi on HiKey960
On Tue, Jun 12, 2018 at 3:12 PM, John Stultz <john.stultz@linaro.org> wrote:
> Hey Folks,
> I noticed with linus/master wifi wasn't coming up on HiKey960. I
> bisected it down and it seems to be due to:
>
> 60f36637bbbd ("wlcore: sdio: allow pm to handle sdio power") and
> 728a9dc61f13 ("wlcore: sdio: Fix flakey SDIO runtime PM handling")
>
>
> When wifi fails to load, the only useful error message I see is:
> [ 8.466097] wl1271_sdio mmc1:0001:2: wl12xx_sdio_power_on: failed
> to get_sync(-13)
>
> Reverting those two changes gets wifi working again for me:
> [ 8.754953] wlcore: wl18xx HW: 183x or 180x, PG 2.2 (ROM 0x11)
> [ 8.761778] random: crng init done
> [ 8.765185] random: 7 urandom warning(s) missed due to ratelimiting
> [ 8.779149] wlcore: loaded
> ...
> [ 12.945903] wlcore: PHY firmware version: Rev 8.2.0.0.237
> [ 13.058077] wlcore: firmware booted (Rev 8.9.0.0.70)
>
>
> Any suggestions how to resolve this w/o a revert?

This also effects the older HiKey board as well.

thanks
-john

\
 
 \ /
  Last update: 2018-06-13 05:35    [W:5.722 / U:0.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site