linux-kernel - Re: [PATCH v2] hci_qca: Reduce delay after sending baudrate request for WCN3990

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Message-Id: <5FC9D655-DEC2-4FC9-AB62-617FB08D694A@holtmann.org>
Date:   Sat, 2 Mar 2019 17:39:56 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        "open list:BLUETOOTH DRIVERS" <linux-bluetooth@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Balakrishna Godavarthi <bgodavar@...eaurora.org>,
        Hemantg <hemantg@...eaurora.org>
Subject: Re: [PATCH v2] hci_qca: Reduce delay after sending baudrate request
 for WCN3990

Hi Matthias,

> The current 300ms delay after a baudrate change is extremely long.
> For WCN3990 it is sufficient to wait 10ms after the baudrate change
> request has been sent over the wire.
> 
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---
> Changes in v2:
> - moved wait for the request to be sent into the common code path
> - s/WCM/WCN/ in commit message
> - rebased on latest bluetooth-next (5364a0b4f4be0 "arm64: dts:
>  rockchip: move QCA6174A wakeup pin into its USB node")
> ---
> drivers/bluetooth/hci_qca.c | 26 ++++++++++++++++++--------
> 1 file changed, 18 insertions(+), 8 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel