From patchwork Wed Sep 21 12:41:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 9343491 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D282F601C2 for ; Wed, 21 Sep 2016 12:44:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C43602A626 for ; Wed, 21 Sep 2016 12:44:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B8BC12A62C; Wed, 21 Sep 2016 12:44:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EAE502A626 for ; Wed, 21 Sep 2016 12:43:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757330AbcIUMnt (ORCPT ); Wed, 21 Sep 2016 08:43:49 -0400 Received: from arroyo.ext.ti.com ([198.47.19.12]:60604 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757065AbcIUMmO (ORCPT ); Wed, 21 Sep 2016 08:42:14 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id u8LCfihi032213; Wed, 21 Sep 2016 07:41:45 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id u8LCfiUb023051; Wed, 21 Sep 2016 07:41:44 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.294.0; Wed, 21 Sep 2016 07:41:44 -0500 Received: from dlep32.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u8LCfaQj015318; Wed, 21 Sep 2016 07:41:42 -0500 From: Peter Ujfalusi To: , CC: , , , , , Subject: [PATCH v3 2/9] dmaengine: edma: Fix of_device_id data parameter usage (legacy vs TPCC) Date: Wed, 21 Sep 2016 15:41:28 +0300 Message-ID: <20160921124135.11849-3-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20160921124135.11849-1-peter.ujfalusi@ti.com> References: <20160921124135.11849-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use pointers to static constant variables for eDMA binding type (legacy vs TPCC). Fixes the following warning when compiling the driver for 64bit architectures (x86_64 for example): drivers/dma/edma.c:2185:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] if (match && (u32)match->data == EDMA_BINDING_TPCC) ^ Signed-off-by: Peter Ujfalusi --- drivers/dma/edma.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index c2098a4b4dcf..87c58710ae31 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -263,14 +263,19 @@ static const struct edmacc_param dummy_paramset = { #define EDMA_BINDING_LEGACY 0 #define EDMA_BINDING_TPCC 1 +static const u32 edma_binding_type[] = { + [EDMA_BINDING_LEGACY] = EDMA_BINDING_LEGACY, + [EDMA_BINDING_TPCC] = EDMA_BINDING_TPCC, +}; + static const struct of_device_id edma_of_ids[] = { { .compatible = "ti,edma3", - .data = (void *)EDMA_BINDING_LEGACY, + .data = &edma_binding_type[EDMA_BINDING_LEGACY], }, { .compatible = "ti,edma3-tpcc", - .data = (void *)EDMA_BINDING_TPCC, + .data = &edma_binding_type[EDMA_BINDING_TPCC], }, {} }; @@ -2184,7 +2189,7 @@ static int edma_probe(struct platform_device *pdev) const struct of_device_id *match; match = of_match_node(edma_of_ids, node); - if (match && (u32)match->data == EDMA_BINDING_TPCC) + if (match && (*(u32*)match->data) == EDMA_BINDING_TPCC) legacy_mode = false; info = edma_setup_info_from_dt(dev, legacy_mode);