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 BC087398913; Mon, 30 Mar 2026 19:29:03 +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=1774898943; cv=none; b=sFj2UG4GI3C30WIkTmJDYQQI9Sf1DjCWX9t4AlQ6wrWPuRdElhxmV+lQOTbCNjS19zx5CUjuP8A8ddKW3DVy+m0sDW+fW6w+BBISZMQyO2mR8TuYefq0f2G7vSfF7wQww9HxXE0DPPg3C00i+FQ+AHTbYqFw+qENo2s20O4+Ubc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774898943; c=relaxed/simple; bh=E0RLxJJrw67wJuY60fVQfxoypYoTIwbFBDWHVW1jYlI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tiVrHQQVVUg2HTNnAcI1neE9UHvLrq6cRdQ0RPleeQJoXSfA1n3X0RiFb2IVg/kdodUeRDq/wws4y+9ECVvvJJ4oFcSFbqk0OMj5sNYIC5SfLerUvfU2ApPJK5ivHJjko7MNUZ3II0wwmSpEGA9sCo5RjxryYp/7DnvtWJUVuX0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pnoPkjrx; 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="pnoPkjrx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AEDEC4CEF7; Mon, 30 Mar 2026 19:29:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774898943; bh=E0RLxJJrw67wJuY60fVQfxoypYoTIwbFBDWHVW1jYlI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pnoPkjrxcSLdlWE2zIiYcdi+jasVFGOt6Vag/crGDrN7OyF8c3feo65nUOEvFcA7m FuFkP6LY2KhEX/NoLLkMVA0h0MgwSIazoDv5CRD75y84GbmhkW9NqfkBmq+dWx/W6D 8UpGEb8q9wuFW1FQ4v9pDkRF4lZ8qTrn89C1gAEKcxql1Erq04T4tMuSON5Sl285Fd oAev9X+0ZM+0Uuesjt7JTcf0Kkhtljz9Vggtl5fpGX3lLD6bAfOuv2z2h9i5akwK5i vbwXO3wKE3W0k6zflU7D5KU6aXezZxY2nZmP4BXMImCPz0sdlKywU9lBj8dhu98T1T nhQlhjFEqLN1A== Date: Mon, 30 Mar 2026 14:29:01 -0500 From: Rob Herring To: manivannan.sadhasivam@oss.qualcomm.com Cc: Greg Kroah-Hartman , Jiri Slaby , Nathan Chancellor , Nicolas Schier , Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Mark Pearson , "Derek J. Clark" , Manivannan Sadhasivam , Krzysztof Kozlowski , Conor Dooley , Marcel Holtmann , Luiz Augusto von Dentz , Bartosz Golaszewski , Andy Shevchenko , Bartosz Golaszewski , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-pm@vger.kernel.org, Stephan Gerhold , Dmitry Baryshkov , linux-acpi@vger.kernel.org, Hans de Goede Subject: Re: [PATCH v7 3/8] serdev: Do not return -ENODEV from of_serdev_register_devices() if external connector is used Message-ID: <20260330192901.GC3107726-robh@kernel.org> References: <20260326-pci-m2-e-v7-0-43324a7866e6@oss.qualcomm.com> <20260326-pci-m2-e-v7-3-43324a7866e6@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260326-pci-m2-e-v7-3-43324a7866e6@oss.qualcomm.com> On Thu, Mar 26, 2026 at 01:36:31PM +0530, Manivannan Sadhasivam via B4 Relay wrote: > From: Manivannan Sadhasivam > > If an external connector like M.2 is connected to the serdev controller > in DT, then the serdev devices may be created dynamically by the connector > driver. So do not return -ENODEV from of_serdev_register_devices() if the > static nodes are not found and the graph node is used. > > Tested-by: Hans de Goede # ThinkPad T14s gen6 (arm64) > Reviewed-by: Bartosz Golaszewski > Signed-off-by: Manivannan Sadhasivam > --- > drivers/tty/serdev/core.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) Reviewed-by: Rob Herring (Arm)