From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3FA6288A2; Tue, 17 Jun 2025 06:43:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750142604; cv=none; b=HUhHzSjJv+x96DknvOG9w4MJgtTgiYwlh9aEG7odOg608jiAA8xvo1TWAexdWjcaE5LvhWtAms/pa6t1gVA1yEGWa65IdUeLhbCvQPO2sBuCTyfK+GoXv+wIqCZpEqALsxCB6MojwegyLbCS4pM4ImMwpu3kiVR42BBa4/CrxZg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750142604; c=relaxed/simple; bh=a3FADsAAQQiMcHjdpY+uzKdLXJKiqwgRdPxXOJppQ14=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=DaLZMWmpAbHHwXjRw762jVRBhj/GqQobpPEwC4LHbUatiE5RtczBXWO7WoNKYjTtePY9B15It6kK4dJVAMrbE4tLwHXPJ3pOY64kKanGG4L3sWXmEBHx3JypzkCp0I/CIHh8TBeAncu6KpSTltQ600OXXTGFDuO3IPmHYUsmEnM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bttwGYcC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bttwGYcC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB029C4CEE3; Tue, 17 Jun 2025 06:43:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750142603; bh=a3FADsAAQQiMcHjdpY+uzKdLXJKiqwgRdPxXOJppQ14=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=bttwGYcCUwO1lIEAjLILkFM9REY5rmD8jiOIgM3Wdl4RIVkrt14M1mWFdcIQbvXzA C6W62ygC/Auy5VKYL25Vc7w9GFpzphWVexV9azUXNkYcRD4EmeDRcxs6FO8BgkhoKZ vuNPc8cOokf3hBGm9S3cRTykSnoq0WZbx3JeooYDbCv5rbPZim78iLOgN55FpqNzPN vRThvNgZeSAS2rqs7ZMvVNfmGTWYOgs2D2TGGnZmQjFnhW/dCV8m9aebhlePQwd/fo 9f82hVwC02ph/O9CSVNTn4iEyioRJDX1JtIKpY3QYU/eExY7oz3OGZf6Knw3Zr2uc4 mHWPsXGOpOzQA== Message-ID: <6fe27c9d-4641-4aba-9e34-686a4d7f1fa8@kernel.org> Date: Tue, 17 Jun 2025 08:43:19 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 2/2] Bluetooth: btnxpuart: Add support for 4M baudrate To: Sherry Sun , Neeraj Sanjay Kale , "marcel@holtmann.org" , "luiz.dentz@gmail.com" , "robh@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" Cc: "linux-bluetooth@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "devicetree@vger.kernel.org" , Amitkumar Karwar , Manjeet Gupta References: <20250616150919.8821-1-neeraj.sanjaykale@nxp.com> <20250616150919.8821-2-neeraj.sanjaykale@nxp.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 17/06/2025 04:53, Sherry Sun wrote: >> @@ -992,7 +997,7 @@ static int nxp_recv_fw_req_v1(struct hci_dev *hdev, >> struct sk_buff *skb) >> nxpdev->helper_downloaded = true; >> serdev_device_wait_until_sent(nxpdev->serdev, 0); >> serdev_device_set_baudrate(nxpdev->serdev, >> - HCI_NXP_SEC_BAUDRATE); >> + >> HCI_NXP_SEC_BAUDRATE_3M); > > Hi Neeraj, > > Does this mean that some legacy BT chips using nxp_recv_fw_req_v1() don't support 4Mbps? > If so, please add comments in the commit message. If that's true this is implied by compatible and entire property should be dropped. Best regards, Krzysztof