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 7375F35F7F0; Mon, 5 May 2025 22:47:29 +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=1746485249; cv=none; b=QGrGCxzj4Pk5g7AMDKlb6zPIpDCHObjyGprb/gWg8nFIKjSC5WUardEhmcxh31ypu+3zuasZ0pGKcaippxAqhsF+ou/z2pVNH53lb7Ibdw4XuR2WyQ5Uq6J/1BO/c4JD4bTO1MCPYvSvSyOAbgJjnAJDyYFIIxLkozCpZIbkEpc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746485249; c=relaxed/simple; bh=9elIbN0ee7YCS6XH2gjwAqOeBDXjnu76EVBthsCsdTA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ucIuj0NQBCxk7ytyAO5+Ipb/0wqOyIFT+owx66xgwodJyYN4G3DqHNehe47N2LdPgD+U7+xkdF8vKniZAWmTn7vlj7CW3DHHEuBD+DeYNJnlKaAML9scpqEhxW5D0gSPoApHzcM7Gy3S5PYEDF6YeDhgC53J298pa2rSXSSud60= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s3qW7sRl; 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="s3qW7sRl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2096C4CEED; Mon, 5 May 2025 22:47:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746485249; bh=9elIbN0ee7YCS6XH2gjwAqOeBDXjnu76EVBthsCsdTA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s3qW7sRl877zQmGhgbQRaFT0Wj5zXKxcSLpjpNuazfM8SEKYtDTjahjsBRNlZD3S/ HanT3nSVik1BD0K92+KJsgDstO6HS4DGXb1SBzWGpCWoHs0fkXNuc6l+Rl/PQ+jVdN IQa4FSuv1WeULGzvEivNFgFWaOlKHA0aJhZqN23ziV+2sQ++ROSjqhvubtMTUagazm RgHq7uwI/FvmROz/ev6nZMvVTYyqsGacjn14ExD3/dXGJKUmfP5N25mKMZkpWMv7PL IimEQZR4IahBgAc2fplOHgqnVMW8OaDnbMtLf4ct8wycIfIc7mhIgsqDbmVU/5h+Nj plUJ3damoa0mg== 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 6.12 235/486] firmware: arm_ffa: Set dma_mask for ffa devices Date: Mon, 5 May 2025 18:35:11 -0400 Message-Id: <20250505223922.2682012-235-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505223922.2682012-1-sashal@kernel.org> References: <20250505223922.2682012-1-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 6.12.26 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 dfda5ffc14db7..dea3eb741d95d 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -212,6 +212,7 @@ ffa_device_register(const struct ffa_partition_info *part_info, 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