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 9DFFB139579; Thu, 18 Dec 2025 08:01:02 +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=1766044864; cv=none; b=YjUAjhto7YasrX0eESr6/p3oBPBeUguJmfJhxBuT5tjshNgWIHmATte2gXClU6DpsKpkByZtmyjuYsC7002GFcgao/pAGTeXnb4mvlhwbCiFQUVm7UEie263YAbDBONpXZvo1FGuO1cyLBsNcpFYiTV72b5f7eRvtZQ9UIAycTk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766044864; c=relaxed/simple; bh=HHlYP/1oT2kinphPQ9/3fzfi/qcVW054/WKuEsDPs0E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DxrnVrsOZI9gDegiBnCfDr67nZmB1u952kP7jtDKNfvNf7h1w2w6H+odCcT8bed9foFlmyiI1G6VX0h572Cgo9Ywrl4qBP9Vm0fZE7QtetKhRVjrdv2hTAi9LBKiNcHRM0Bl8HpPK2MR5MMSx1tzPeQt/YtQFm/9EWpSPRQuSUc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rwV3hKNz; 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="rwV3hKNz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1FDE6C4CEFB; Thu, 18 Dec 2025 08:00:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766044862; bh=HHlYP/1oT2kinphPQ9/3fzfi/qcVW054/WKuEsDPs0E=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rwV3hKNzLZdlo15r6xATauOc2HzLW5FLvt0Sy/qcHArFX7+rnS1maXD1iZWc48330 dkKqbS/udUDkqWveQYdACybLxBc6QoEuNVqLBVYED4s/AqqzvnwD305wSeeO3OMxvS k/lb3xWkNTasd02uI9ETI0UjGHrCw25GfgI6uYSccJjTgyjIqC6poTL5J5oACHwtJx mTnwOQKDrdOBba96aUGdQ93nJM5rTkOzUdBFyps3w6c6NnGHgBKFUbqa7iAua948NN umZyshCU9oNNtN7gnx27obLHQOM7MFudQ89pJfWtBc5oe7/ta8cz82JFUjOmI2JeGC Y/fvFaTu+9+5A== Date: Thu, 18 Dec 2025 08:00:57 +0000 From: Mark Brown To: Alain Volmat Cc: Maxime Coquelin , Alexandre Torgue , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-spi@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH 3/4] spi: stm32: properly fail on dma_request_chan error Message-ID: <129a4deb-ec9c-41f0-910c-57cd43d17fcd@sirena.org.uk> References: <20251217-stm32-spi-enhancements-v1-0-943348b8ff66@foss.st.com> <20251217-stm32-spi-enhancements-v1-3-943348b8ff66@foss.st.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="xdYKEQLQFnGb8Mm8" Content-Disposition: inline In-Reply-To: <20251217-stm32-spi-enhancements-v1-3-943348b8ff66@foss.st.com> X-Cookie: Close cover before striking. --xdYKEQLQFnGb8Mm8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Dec 17, 2025 at 10:51:33PM +0100, Alain Volmat wrote: > Correct handling of the dma_request_chan call in order to avoid > misleading warn message if no DMA is provided within the device-tree > and moreover fail if dma_request_chan has returned a valid error. Bug fixes should go at the start of serieses to avoid spurious dependencies on new or cleanup changes. --xdYKEQLQFnGb8Mm8 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmlDtLgACgkQJNaLcl1U h9C+xQf/f0u/7bqNRt7Lu7GnVRORacWjnXmidDhHzPASrPGgt/BgyySgqqLUtsT3 RZnxPRAkHkYlSW+Q5OlSlxnIXV+BBEK80tAUKZmTOSruQQBgkDUm+YJx932XBSUA jqRZMpuH3zoYwVrWociYeo2PJClBKdsP8NYvQqj62Ns/xrNy/eM9Ow1afZgt+DQI KKE+YHtIFNgTXUOokDuWbNQ6oR1BiP1UYw4M0iIgdSFAJ80q5bDf6EafpZ8s3UN8 NL6NiqggvpS0sSIJ4PFSheZnwNrdiNoH0I0kvjvuKpmQRBbBE2Jecrzy9WY+G0lA brTbY9z8iMKd3oSOP4L64sMAhd1u3A== =gJz4 -----END PGP SIGNATURE----- --xdYKEQLQFnGb8Mm8--