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 DF90A2F4F53; Mon, 5 May 2025 23:16:01 +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=1746486962; cv=none; b=KRZ9JZcSHS7hbVZkKBgVjGPFLAR76qhaZ4AyIvZ9y/306FWw466hUNNz2ksI6NbhWc/aRM5f4M+3rrX90XxLygqdNd146ZAtBvYRixMNZMzItD96zvrsmq7onSCY/tUw5hAmQ5zjVbn9y/4g1UTrczV3ynnIW0sIYf5ar3kbfkk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486962; c=relaxed/simple; bh=ObOcuQ7uehgIs7wkMXNdM1MgdTP7bxAc1+4SriNNzwo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pCnaEDldlDqnb7bxd+BxeMy8p6N21dvt1skheWQmxItEonVns4LuqRbZ4/2JG6U1nV6rMZjESQGprQzALvRjrhh3Xeo8QOPRRwBZ5VW5NJMCgCn8QekL+9puTvR4IWy+TmVI4aPFNQH8osf8FjuQBZH22YwwxBTijBhCWZ1rbd4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VeJvgyXQ; 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="VeJvgyXQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11DB9C4CEF5; Mon, 5 May 2025 23:16:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746486961; bh=ObOcuQ7uehgIs7wkMXNdM1MgdTP7bxAc1+4SriNNzwo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VeJvgyXQkTiajGMPSbj3AcmnY4iYsgWxfd8kFW+5jzCOZ6p659d+rek9Aszy6bMx4 mdSkWGIQSuigMFYqjVt6S+xbPoWr74Xt4pKccjrwT/hWQMs7uon7W8jD4D6pNTniS0 cx4W6ERbtqcZKT8q2fo6TI4hqLxaJUY4frfdXoOIuNcaWMyZXiYNu3od8jmj8v3zEW pS/VCKLt/NuT5q4TXfBtVtg79thbsiPE/Mr5Mg4CQUlvMUBAV0rHnIqz3x5QBdXE7a pxoapd/ehA/cLsyhf3Gd7kV7O6hnijEB90RC38wQHmdlMUqlCSX3Aw5IZSrjpVD3+G XtVxp7C5JG7MQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Viresh Kumar , Sudeep Holla , Sasha Levin , linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.15 081/153] firmware: arm_ffa: Set dma_mask for ffa devices Date: Mon, 5 May 2025 19:12:08 -0400 Message-Id: <20250505231320.2695319-81-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505231320.2695319-1-sashal@kernel.org> References: <20250505231320.2695319-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.181 Content-Transfer-Encoding: 8bit From: Viresh Kumar [ Upstream commit cc0aac7ca17e0ea3ca84b552fc79f3e86fd07f53 ] Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer lead to following warning: WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124 Signed-off-by: Viresh Kumar Message-Id: Signed-off-by: Sudeep Holla Signed-off-by: Sasha Levin --- drivers/firmware/arm_ffa/bus.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index f79ba6f733ba4..27820a59ce25e 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -190,6 +190,7 @@ struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id) dev = &ffa_dev->dev; dev->bus = &ffa_bus_type; dev->release = ffa_release_device; + dev->dma_mask = &dev->coherent_dma_mask; dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id); ffa_dev->id = id; -- 2.39.5