linux-kernel - Re: [PATCH 02/10] arm64: dts: meson-gxm-khadas-vim2: fix Bluetooth support

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Message-ID: <b54c7899-95b3-1202-d70b-9b8ee2955164@baylibre.com>
Date:   Wed, 29 May 2019 12:25:27 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     khilman@...libre.com, linux-amlogic@...ts.infradead.org,
        Christian Hewitt <christianshewitt@...il.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 02/10] arm64: dts: meson-gxm-khadas-vim2: fix Bluetooth
 support

On 27/05/2019 20:36, Martin Blumenstingl wrote:
> On Mon, May 27, 2019 at 3:22 PM Neil Armstrong <narmstrong@...libre.com> wrote:
>>
>> From: Christian Hewitt <christianshewitt@...il.com>
>>
>> - Remove serial1 alias
>> - Add support for uart_A rts/cts
>> - Add bluetooth uart_A subnode qith shutdown gpio
> I tried this on my own Khadas VIM2:
> Bluetooth: hci0: command 0x1001 tx timeout
> Bluetooth: hci0: BCM: Reading local version info failed (-110)
> 
> I'm not sure whether this is specific to my board or what causes this.

Which kernel version ?

We often see this, growing the delay after probe removes this, it's kind of
random issue that occurs on pre-5.1 kernels.

Neil

> 
> 
> Martin
>