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Issue 832891 link

Starred by 1 user
Status: Fixed
Owner:
briannorris@chromium.org
Closed: Aug 29
Cc:
█ jmuppala@chromium.org
briannorris@chromium.org
aashuto...@chromium.org
groeck@chromium.org
harpreet@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 2
Type: Bug



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ar10k: "ieee80211_update_mu_groups exported twice" warning

Project Member Reported by kirtika@chromium.org, Apr 13 2018 
Both ar10k's mac80211 and stock mac80211 are exporting this in 4.4, causing a build warning.
Assigning to myself, will look into it once Core35 settles down.

Comment 1 by benhenry@chromium.org, Aug 3

Status: Assigned (was: Untriaged)
This bug has an owner, thus, it's been triaged. Changing status to "assigned".

Comment 2 by briannorris@chromium.org, Aug 28

Components: OS>Systems>Network
Labels: -Pri-1 Pri-2
Owner: briannorris@chromium.org
Status: Started (was: Assigned)
I'm looking at this, because it prevents USB Wifi from working. Just needs some updates to drivers/net/wireless/ar10k/hdrs/mac80211-exp.h.
Project Member

Comment 3 by bugdroid1@chromium.org, Aug 29

Labels: merge-merged-chromeos-4.4
The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/kernel/+/55a410d6e12f5adff574516aefc24e5282a5d092

commit 55a410d6e12f5adff574516aefc24e5282a5d092
Author: Brian Norris <briannorris@chromium.org>
Date: Wed Aug 29 18:15:38 2018

CHROMIUM: ar10k: add mangling for ieee80211_update_mu_groups

Otherwise, modpost complains, and we can't load both ar10k and another
Wifi driver (e.g., USB Wifi) at runtime.

BUG= chromium:832891 
TEST=USB Wifi on scarlet -- both internal (ath10k_pci) and external
     (e.g., rt2800usb) can load

Change-Id: I224d97bf7656422806a4a4955f57e5b398c0a44a
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1194699
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Reviewed-by: Kirtika Ruchandani <kirtika@chromium.org>

[modify] https://crrev.com/55a410d6e12f5adff574516aefc24e5282a5d092/drivers/net/wireless/ar10k/hdrs/mac80211-exp.h

Comment 4 by briannorris@chromium.org, Aug 29

Cc: harpreet@chromium.org
Labels: Kernel-4.4 M-70
Status: Fixed (was: Started)
Summary: ar10k: "ieee80211_update_mu_groups exported twice" warning (was: "ieee80211_update_mu_groups exported twice" warning)
+ Harpreet, FYI: if you're testing USB wifi on Scarlet (or anything else with kernel 4.4 + QCA6174A), you'll probably want this bug fixed.

Comment 5 by harpreet@chromium.org, Aug 29

Cc: jmuppala@chromium.org aashuto...@chromium.org
►

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