From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794050215; b=AWEtQvvyRrOo8w3qKYV0MDTsZud9b4Q8RcZdQ/RVJvYSNi0AsmtrCeXFvxbOFPzTYgs5 ZDKDZ+RO9ZzCFRB8yve6kIwHxMTz4w2q7KMKPijGZVLpZ1Q7mzNekjUcHWYHa6nU5Ipw2 0L12syeqqLHcFTg3zQ6sv9EdTP2U/jQkO2t1dR9j1yTQBJn2xCHww/ug+9g4zMCCVHRY2 DadfZ3BZi3QUU7Z22zpm850xwTtI2sySwrt8clbPemGOYWvp7uaJ/KF44n3PDCI40kNTZ ERsqMU7d6CvjAeBFTdOc9cHt/G97PP61//js3IpbAEgRrII0SzQBhAM0pPzH8I39scw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794050215; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=x1Ma7KhAi4Y8FZpTULohN+sGMF3gufgiWdCAEWfzpME=; b=Inv5sp89igAcP7aoL/sb8Rdkyu30DWdEouH2rJYmdD4BdfEuMZzS3VVf2ojOwkDXL3Wx +CLKKg3/PgSDqIod77/pj0xCnhyYM0JNAMEvQ4+TMD9NQo6K8SpcwFYg5ZdXQY73V5J2k ueHGbsrPgQBy/dRrcxHHuhGf/1wrnWUvb0c4iUThN8k2uU/Bbwo74oN+I3UOZ4Br2zuHl wlEfflEUDNgD6yXoW3R/EKoShTzQN1fV03amcQGUcujpJELfqeBCW3qgRk8R/umxJy/6U kiLQ2407xspTyHdiYqUVs7TNj15bY/7sn+kd2Zm2b648ywkfB7q4n7t1jLiH+LESEPQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MH5EYjOD; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2428A606A326 for ; Sat, 7 Nov 2026 11:16:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=MH5EYjOD Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8ECA21F0089F; Sat, 7 Nov 2026 11:16:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794050215; bh=x1Ma7KhAi4Y8FZpTULohN+sGMF3gufgiWdCAEWfzpME=; h=From:To:Cc:Subject:Date; b=MH5EYjODh/kQmMnKffQUh34K80u2Dzj7CwgWvdG90UhfghWknZvga2QCGmZmoMVLy ukSpuE46l/PgI3bdh6ENeLFu0LiA4iUmKaBuhnBJMW7bolFsuSK4s/zZUkF0gUE4Un dA3R4CwpGJQ15atdhkKlWOzbNqXyFDQddlIhm1r3TniUzbHNVGk7u860b4tUPZxK7x myYto10wZ5nAsBwIEYG45K2IwWGxyczhrQ/WsC2oK9Xxx0wJTh5kgLLhgKNXRWcqi4 fT4NaC6PhIWLW+QhrNlavQm6ahOf9Q6DrTbPs0WfBT49m19chlzyAzh+qS32d3w1m5 EWvT4u+ESjo4g== From: Sasha Levin To: david@ixit.cz, lee@kernel.org Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] mfd: wcd934x: set DMA mask on parent to silence "DMA mask not set"" failed to apply to 5.10-stable tree Date: Sat, 7 Nov 2026 06:16:53 -0500 Message-ID: <20261107061653-failed-5.10-b296be1dc008@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x b296be1dc008fe3a536341afae01f66bb302e67f # git commit -s git send-email --to '' --in-reply-to '20261107061653-failed-5.10-b296be1dc008@kernel.org' --subject-prefix 'PATCH 5.10.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From b296be1dc008fe3a536341afae01f66bb302e67f Mon Sep 17 00:00:00 2001 From: David Heidelberg Date: Thu, 3 Sep 2026 16:42:05 +0200 Subject: [PATCH] mfd: wcd934x: set DMA mask on parent to silence "DMA mask not set" The wcd934x MFD parent (a slim_device) never initializes its dma_mask/coherent_dma_mask. When the DT-aware children pass through of_dma_configure() this triggers the "DMA mask not set" warning for each child. Cc: stable@vger.kernel.org Fixes: f959dcd6ddfd ("dma-direct: Fix potential NULL pointer dereference") Assisted-by: tencent:hy3 Signed-off-by: David Heidelberg Link: https://patch.msgid.link/20260903-wcd-dma-v2-1-189cff560a28@ixit.cz Signed-off-by: Lee Jones --- drivers/mfd/wcd934x.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mfd/wcd934x.c b/drivers/mfd/wcd934x.c index 3c3080e8c8cf7..7bea64fc09562 100644 --- a/drivers/mfd/wcd934x.c +++ b/drivers/mfd/wcd934x.c @@ -2,6 +2,7 @@ // Copyright (c) 2019, Linaro Limited #include +#include #include #include #include @@ -217,6 +218,11 @@ static int wcd934x_slim_probe(struct slim_device *sdev) struct gpio_desc *reset_gpio; int ret; + ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32)); + if (ret) + return dev_err_probe(dev, ret, + "Failed to set DMA mask\n"); + ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL); if (!ddata) return -ENOMEM; -- 2.53.0