linux-kernel - Re: [PATCH v2] Bluetooth: btnxpuart: Enable Power Save feature on startup

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Date: Fri, 15 Mar 2024 13:13:36 +0000
From: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
To: Francesco Dolcini <francesco@...cini.it>
CC: "marcel@...tmann.org" <marcel@...tmann.org>, "johan.hedberg@...il.com"
	<johan.hedberg@...il.com>, "luiz.dentz@...il.com" <luiz.dentz@...il.com>,
	Amitkumar Karwar <amitkumar.karwar@....com>, Rohit Fule <rohit.fule@....com>,
	Sherry Sun <sherry.sun@....com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-bluetooth@...r.kernel.org"
	<linux-bluetooth@...r.kernel.org>, Geetu Naagar <geetu.kumari@....com>
Subject: Re: [PATCH v2] Bluetooth: btnxpuart: Enable Power Save feature on
 startup

Hi Francesco,

> 
> On Mon, Mar 04, 2024 at 10:37:53PM +0530, Neeraj Sanjay Kale wrote:
> > This sets the default power save mode setting to enabled.
> >
> > The power save feature is now stable and stress test issues, such as
> > the TX timeout error, have been resolved.
> 
> I assume that the stability issue has been fixed in firmware, correct?
> What's going to happen if running the updated driver with old firmware?
> What about combo Wi-Fi/BT firmware files, were those updated? I'm
> currently using this driver with this firmware [1]

There were some stability issues in the driver, that are fixed in previous patches.

As for FW, I have checked internally and there were no power save related issues reported for any combo FWs.

I had requested our QA team to perform basic sanity tests for WLAN and BT using the exact FW version you are using, and there were no power save issues reported.

Thanks,
Neeraj