From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756180Ab3GOMEx (ORCPT ); Mon, 15 Jul 2013 08:04:53 -0400 Received: from mga11.intel.com ([192.55.52.93]:40939 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755900Ab3GOMEw (ORCPT ); Mon, 15 Jul 2013 08:04:52 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.89,668,1367996400"; d="scan'208";a="370393517" From: Andy Shevchenko To: Viresh Kumar , Vinod Koul , linux-kernel@vger.kernel.org, spear-devel@list.st.com Cc: Andy Shevchenko Subject: [PATCH 1/6] acpi-dma: fix sparse warning Date: Mon, 15 Jul 2013 15:04:36 +0300 Message-Id: <1373889881-21075-1-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.8.3.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch fixes sparse warning: drivers/dma/acpi-dma.c:76:21: sparse: cast to restricted __le32 Since everything in all ACPI tables is little-endian, by definition, the used types in practice are uXX. Thus, we have to enforce __leXX if we want to convert them to CPU order. Signed-off-by: Andy Shevchenko Reviewed-by: Mika Westerberg --- drivers/dma/acpi-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c index 5a18f82..ba7f932 100644 --- a/drivers/dma/acpi-dma.c +++ b/drivers/dma/acpi-dma.c @@ -73,7 +73,7 @@ static int acpi_dma_parse_resource_group(const struct acpi_csrt_group *grp, if (si->mmio_base_low != mem || si->gsi_interrupt != irq) return 0; - vendor_id = le32_to_cpu(grp->vendor_id); + vendor_id = le32_to_cpu((__force __le32)grp->vendor_id); dev_dbg(&adev->dev, "matches with %.4s%04X (rev %u)\n", (char *)&vendor_id, grp->device_id, grp->revision); -- 1.8.3.2