From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753110AbaHTL43 (ORCPT ); Wed, 20 Aug 2014 07:56:29 -0400 Received: from mga02.intel.com ([134.134.136.20]:1224 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753003AbaHTLzh (ORCPT ); Wed, 20 Aug 2014 07:55:37 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,901,1400050800"; d="scan'208";a="561050547" From: Heikki Krogerus To: Felipe Balbi Cc: "Rafael J. Wysocki" , Mika Westerberg , Alan Cox , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH 2/4] ACPI / platform: provide default DMA mask Date: Wed, 20 Aug 2014 14:55:26 +0300 Message-Id: <1408535728-10518-3-git-send-email-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1408535728-10518-1-git-send-email-heikki.krogerus@linux.intel.com> References: <1408535728-10518-1-git-send-email-heikki.krogerus@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Most devices are configured for 32-bit DMA addresses. Setting the mask to 32-bit here removes the need for the drivers to do it separately. Signed-off-by: Heikki Krogerus --- drivers/acpi/acpi_platform.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 2bf9082..8d099e6 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include "internal.h" @@ -102,6 +103,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) pdevinfo.res = resources; pdevinfo.num_res = count; pdevinfo.acpi_node.companion = adev; + pdevinfo.dma_mask = DMA_BIT_MASK(32); pdev = platform_device_register_full(&pdevinfo); if (IS_ERR(pdev)) dev_err(&adev->dev, "platform device creation failed: %ld\n", -- 2.1.0