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 7D0A1230BD9; Mon, 2 Jun 2025 14:56:41 +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=1748876201; cv=none; b=ETSRpD+211MuCqFLoPKAffNnQSqGyXjRcrYzDZ9jttfX5MV9X4/W75bkTjyf6AJkoK8N4WugC7WFCr/QsM+WKiiLEka69j7k460+zRPu63Wom8DhyfVL2XX7i56WOKZJuJt4WzDxKhFDWuyCyxG2rYOhFb8w4ufUU4MBc1zsGLM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748876201; c=relaxed/simple; bh=b3bqMtt9jWyiyoPaZQqZv3RBGSbe9VljxicAH7xe9Dw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ntxQMJkQJF3YJ84H18w1oMAtgo3l9LAq9HAXqF3pn395U/6NCqH7OQFQodvPX0bcLFqxX5RjD9FI4mzjawphC1VUN3mDZZvT/rquSY6WHlSvuORDoQnEsMIIar3L1lu7GD9VIwUUW7+UvJwXvCG7YKLtmQNgpEzHvF9CYjq21X8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=eg483RmH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="eg483RmH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05173C4CEEB; Mon, 2 Jun 2025 14:56:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1748876201; bh=b3bqMtt9jWyiyoPaZQqZv3RBGSbe9VljxicAH7xe9Dw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eg483RmHN/FXRUW4Fydee0nq51Aly1oH3+OIagezGe2GO7ZHqvVT5janqIx4WMNZC ydRiopMt9WXWju6YN206YWCpdjaiu2zCONfWP04OXif40zcduozdZ+0aXHjgeS06Cl G4GsOoQBzKOSJfo7+1vamydtOUQdf1xIEZ1f52cc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Viresh Kumar , Sudeep Holla , Sasha Levin Subject: [PATCH 5.15 086/207] firmware: arm_ffa: Set dma_mask for ffa devices Date: Mon, 2 Jun 2025 15:47:38 +0200 Message-ID: <20250602134302.105058988@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250602134258.769974467@linuxfoundation.org> References: <20250602134258.769974467@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ 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