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 8D05A2EEBD0; Mon, 5 May 2025 23:10:03 +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=1746486603; cv=none; b=Ve6kscJCw9EN06Pl2UVLvkj+2FAkUT9vpu7Elol7Wu0JCC/cvuC9lOvLyLYReOkyRl3f4sPBQje9ylNwuLfPda7e36Y+MVZfQ7Hl5l1AlbWe+jAYq9rOQW/LzU4f0gwkv6i4polWPEA92SWYnfqdg3E4/RKLrSdL+jIxsModOuo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486603; c=relaxed/simple; bh=eRSeHeY46tLQcIFe1Mri11VeNHQat5CRun0NZB+R5wI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tmvULKYHn7xDLKN7pdKfRV6B5nQ5mwFXbD+YnD9wzkeUTjKjXsnxM116kFh6HLjEea0lSKEj6Y0itwSksycbx3mcQGAhN+XQZYtlzqNIPS7eZPA3KHLh4r8MazV4BaDRy8bHymNDMxvjL0r4Xp1uhsFvIxicyEgzPJoucHhBcqg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=O6uCztHb; 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="O6uCztHb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 96314C4CEF3; Mon, 5 May 2025 23:10:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746486603; bh=eRSeHeY46tLQcIFe1Mri11VeNHQat5CRun0NZB+R5wI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O6uCztHbxoT+Ca2S3iWsq3ZiowefJiPMyjLFlF0wgGpZp63q4XXQynaL2VCGgtjLq PrtMAsvupNf4vBU1Ny0NHbJSqJ+TwFJQsRh3hELhtDfIS5QtT+FO9WHbirgauMB2iS hX8ozZuN+aeAk6u1Dr4qj9v7Th3bQDGS8HJ1cVAHolMSbK8d7MbV8YqntUWc0Ka2N7 p/0NXgfzWlApAdAAzJeVb+d+TZqb/bnddzvgRfZ+LXU/fh/keWs3A0NvjInY0EQXg1 uolmen/cOuxPZRlvxK5gpMlyC7y7nS180tOGJvXcP9QfeEyTS2O46zU2buURzDfnEe 4CCEalrzL30aw== 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 6.1 113/212] firmware: arm_ffa: Set dma_mask for ffa devices Date: Mon, 5 May 2025 19:04:45 -0400 Message-Id: <20250505230624.2692522-113-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505230624.2692522-1-sashal@kernel.org> References: <20250505230624.2692522-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.136 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 248594b59c64d..5bda5d7ade42d 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -191,6 +191,7 @@ 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