[lkml]   [2019]   [Oct]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2] rtl8xxxu: add bluetooth co-existence support for single antenna
Chris Chiu <> wrote:

> The RTL8723BU suffers the wifi disconnection problem while bluetooth
> device connected. While wifi is doing tx/rx, the bluetooth will scan
> without results. This is due to the wifi and bluetooth share the same
> single antenna for RF communication and they need to have a mechanism
> to collaborate.
> BT information is provided via the packet sent from co-processor to
> host (C2H). It contains the status of BT but the rtl8723bu_handle_c2h
> dose not really handle it. And there's no bluetooth coexistence
> mechanism to deal with it.
> This commit adds a workqueue to set the tdma configurations and
> coefficient table per the parsed bluetooth link status and given
> wifi connection state. The tdma/coef table comes from the vendor
> driver code of the RTL8192EU and RTL8723BU. However, this commit is
> only for single antenna scenario which RTL8192EU is default dual
> antenna. The rtl8xxxu_parse_rxdesc24 which invokes the handle_c2h
> is only for 8723b and 8192e so the mechanism is expected to work
> on both chips with single antenna. Note RTL8192EU dual antenna is
> not supported.
> Signed-off-by: Chris Chiu <>

Failed to apply, please rebase on top of wireless-drivers-next.

fatal: sha1 information is lacking or useless (drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h).
error: could not build fake ancestor
Applying: rtl8xxxu: add bluetooth co-existence support for single antenna
Patch failed at 0001 rtl8xxxu: add bluetooth co-existence support for single antenna
The copy of the patch that failed is found in: .git/rebase-apply/patch

Patch set to Changes Requested.


 \ /
  Last update: 2019-10-02 06:30    [W:0.134 / U:1.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site