From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D22E2C282CD for ; Mon, 28 Jan 2019 15:57:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A251A2184D for ; Mon, 28 Jan 2019 15:57:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548691034; bh=U0yYD2++o2KSoLg1EAb0XjmFBMknCsYSZ/X114Occ6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=iS/wadenkSlideFfzUBDSUzlxmq6JU+aD6qjIHyABvhPX3B+t/7/i7YAoB7MOtqZv /ViMMl88iuR/wvUGuHlFXw+urTuByN5n3g8c+TPLvrfVeShI2G2yZ5JTMeMV5FzDqj Rkg30SeZPoIFJgBsN1TuM99v3kc2VDPNUftCMoR8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730188AbfA1P5M (ORCPT ); Mon, 28 Jan 2019 10:57:12 -0500 Received: from mail.kernel.org ([198.145.29.99]:42688 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728174AbfA1P5I (ORCPT ); Mon, 28 Jan 2019 10:57:08 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8518321848; Mon, 28 Jan 2019 15:57:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548691027; bh=U0yYD2++o2KSoLg1EAb0XjmFBMknCsYSZ/X114Occ6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iz3s2M9ddGwZXTG9ep8Nn0t63y3upVRdxKj1t9TOWjGUzhXPurIwDJS0iu1iXQ91B 5f6JbjLpH1RtEtR5Dmn4yokieoF3ivHfxLabmoLPmEJiy+l332XoP/z/59fdTA8ORn 94BsdxQrQ7ZDG7b9GAYOViFERNWksPN2FwHYh5hY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nathan Chancellor , Herbert Xu , Sasha Levin , linux-crypto@vger.kernel.org Subject: [PATCH AUTOSEL 4.20 266/304] crypto: ux500 - Use proper enum in cryp_set_dma_transfer Date: Mon, 28 Jan 2019 10:43:03 -0500 Message-Id: <20190128154341.47195-266-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128154341.47195-1-sashal@kernel.org> References: <20190128154341.47195-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nathan Chancellor [ Upstream commit 9d880c5945c748d8edcac30965f3349a602158c4 ] Clang warns when one enumerated type is implicitly converted to another: drivers/crypto/ux500/cryp/cryp_core.c:559:5: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] direction, DMA_CTRL_ACK); ^~~~~~~~~ drivers/crypto/ux500/cryp/cryp_core.c:583:5: warning: implicit conversion from enumeration type 'enum dma_data_direction' to different enumeration type 'enum dma_transfer_direction' [-Wenum-conversion] direction, ^~~~~~~~~ 2 warnings generated. dmaengine_prep_slave_sg expects an enum from dma_transfer_direction. Because we know the value of the dma_data_direction enum from the switch statement, we can just use the proper value from dma_transfer_direction so there is no more conversion. DMA_TO_DEVICE = DMA_MEM_TO_DEV = 1 DMA_FROM_DEVICE = DMA_DEV_TO_MEM = 2 Signed-off-by: Nathan Chancellor Reviewed-by: Nick Desaulniers Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/ux500/cryp/cryp_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c index d2663a4e1f5e..a92a66b1ff46 100644 --- a/drivers/crypto/ux500/cryp/cryp_core.c +++ b/drivers/crypto/ux500/cryp/cryp_core.c @@ -556,7 +556,7 @@ static int cryp_set_dma_transfer(struct cryp_ctx *ctx, desc = dmaengine_prep_slave_sg(channel, ctx->device->dma.sg_src, ctx->device->dma.sg_src_len, - direction, DMA_CTRL_ACK); + DMA_MEM_TO_DEV, DMA_CTRL_ACK); break; case DMA_FROM_DEVICE: @@ -580,7 +580,7 @@ static int cryp_set_dma_transfer(struct cryp_ctx *ctx, desc = dmaengine_prep_slave_sg(channel, ctx->device->dma.sg_dst, ctx->device->dma.sg_dst_len, - direction, + DMA_DEV_TO_MEM, DMA_CTRL_ACK | DMA_PREP_INTERRUPT); -- 2.19.1