From patchwork Wed Sep 21 12:41:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 9343457 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 9FED9601C2 for ; Wed, 21 Sep 2016 12:42:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9172529FF6 for ; Wed, 21 Sep 2016 12:42:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 864512A626; Wed, 21 Sep 2016 12:42:40 +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=ham 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 224562A62E for ; Wed, 21 Sep 2016 12:42:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932973AbcIUMme (ORCPT ); Wed, 21 Sep 2016 08:42:34 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:54288 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932934AbcIUMmc (ORCPT ); Wed, 21 Sep 2016 08:42:32 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id u8LCftsa010534; Wed, 21 Sep 2016 07:41:55 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u8LCfsnZ019483; Wed, 21 Sep 2016 07:41:54 -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 07:41:54 -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 u8LCfaQn015318; Wed, 21 Sep 2016 07:41:52 -0500 From: Peter Ujfalusi To: , CC: , , , , , Subject: [PATCH v3 6/9] dmaengine: ti-dma-crossbar: Fix of_device_id data parameter usage Date: Wed, 21 Sep 2016 15:41:32 +0300 Message-ID: <20160921124135.11849-7-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 crossbar type and for DMA offset configuration. Fixes compiler warnings on 64bit architectures: drivers/dma/ti-dma-crossbar.c: In function ‘ti_dra7_xbar_probe’: drivers/dma/ti-dma-crossbar.c:398:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] xbar->dma_offset = (u32)match->data; ^ drivers/dma/ti-dma-crossbar.c: In function ‘ti_dma_xbar_probe’: drivers/dma/ti-dma-crossbar.c:431:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] switch ((u32)match->data) { ^ Signed-off-by: Peter Ujfalusi --- drivers/dma/ti-dma-crossbar.c | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) diff --git a/drivers/dma/ti-dma-crossbar.c b/drivers/dma/ti-dma-crossbar.c index e4f3bd1ae264..9103b1260797 100644 --- a/drivers/dma/ti-dma-crossbar.c +++ b/drivers/dma/ti-dma-crossbar.c @@ -18,15 +18,19 @@ #define TI_XBAR_DRA7 0 #define TI_XBAR_AM335X 1 +static const u32 ti_xbar_type[] = { + [TI_XBAR_DRA7] = TI_XBAR_DRA7, + [TI_XBAR_AM335X] = TI_XBAR_AM335X, +}; static const struct of_device_id ti_dma_xbar_match[] = { { .compatible = "ti,dra7-dma-crossbar", - .data = (void *)TI_XBAR_DRA7, + .data = &ti_xbar_type[TI_XBAR_DRA7], }, { .compatible = "ti,am335x-edma-crossbar", - .data = (void *)TI_XBAR_AM335X, + .data = &ti_xbar_type[TI_XBAR_AM335X], }, {}, }; @@ -190,9 +194,6 @@ static int ti_am335x_xbar_probe(struct platform_device *pdev) #define TI_DRA7_XBAR_OUTPUTS 127 #define TI_DRA7_XBAR_INPUTS 256 -#define TI_XBAR_EDMA_OFFSET 0 -#define TI_XBAR_SDMA_OFFSET 1 - struct ti_dra7_xbar_data { void __iomem *iomem; @@ -280,18 +281,25 @@ static void *ti_dra7_xbar_route_allocate(struct of_phandle_args *dma_spec, return map; } +#define TI_XBAR_EDMA_OFFSET 0 +#define TI_XBAR_SDMA_OFFSET 1 +static const u32 ti_dma_offset[] = { + [TI_XBAR_EDMA_OFFSET] = 0, + [TI_XBAR_SDMA_OFFSET] = 1, +}; + static const struct of_device_id ti_dra7_master_match[] = { { .compatible = "ti,omap4430-sdma", - .data = (void *)TI_XBAR_SDMA_OFFSET, + .data = &ti_dma_offset[TI_XBAR_SDMA_OFFSET], }, { .compatible = "ti,edma3", - .data = (void *)TI_XBAR_EDMA_OFFSET, + .data = &ti_dma_offset[TI_XBAR_EDMA_OFFSET], }, { .compatible = "ti,edma3-tpcc", - .data = (void *)TI_XBAR_EDMA_OFFSET, + .data = &ti_dma_offset[TI_XBAR_EDMA_OFFSET], }, {}, }; @@ -395,7 +403,7 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev) xbar->dmarouter.dev = &pdev->dev; xbar->dmarouter.route_free = ti_dra7_xbar_free; - xbar->dma_offset = (u32)match->data; + xbar->dma_offset = *(u32*)match->data; mutex_init(&xbar->mutex); platform_set_drvdata(pdev, xbar); @@ -428,7 +436,7 @@ static int ti_dma_xbar_probe(struct platform_device *pdev) if (unlikely(!match)) return -EINVAL; - switch ((u32)match->data) { + switch (*(u32*)match->data) { case TI_XBAR_DRA7: ret = ti_dra7_xbar_probe(pdev); break;