Received: by 10.192.165.156 with SMTP id m28csp564112imm; Wed, 11 Apr 2018 03:54:11 -0700 (PDT) X-Google-Smtp-Source: AIpwx488qi+0baDndwOM/rVMbIf01WQsbcggFq44B5VdrNPgjAtI4k8+IwzRRW/y7SsVtXWNqApo X-Received: by 2002:a17:902:8d84:: with SMTP id v4-v6mr4427496plo.215.1523444051645; Wed, 11 Apr 2018 03:54:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1523444051; cv=none; d=google.com; s=arc-20160816; b=Dzfu4i2jLlbpZKDxhVl/RbVyh+OJx/V0X7mmKzSpcthKDAwBFZqolor+t3FjiMJYUM zI6zl7Q8sHsAKvGa6CftOE0iEyAv66RChLI56Lqf/wwQ35g7del6keHecugEgpK5mhTu zGAUudlXUWSs+pzi6IUFTXqhRbiG2bgbbpjQEXktlYdGDQw5MLtNVuAd7YDVsvIQPwDm NmtOFvZNWBMWYWjb5D8qR/b7Q8J0U3FRE5+gsIM8PqnvEIWIfQPGu+TX7tuEpolhaRyx 2CaE5DZ7PJtOKIz3honP7z68FmzeUvcBM8FB9zKWjsprwlko1LG7lVZnvUESIGQstpXN jVPw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:dkim-signature :arc-authentication-results; bh=iREHiN42AfU2tAyRJ+od1215qf89+Kzbn5CqbWdImHc=; b=HSJoLczufs039QWzGOay+wiJcH1sN8Ia2ryR3IBnXftpvBdZf+4M1bZbcIyKmZ/Pib sabsMVZzsdLgPo7P7xQjUxdJ6UqshTohSNpCYEnAEc12stGDxh6LocHigsEqckFUfMOn uOdE7ZHInLTVTpRp3hH3giK6sHFm0iLs2gRRKqqNmj/Z2jU2UkzxDNgbnPBecI7QpkVj XzI0qRNDpE1UPSBGCFZzELTDeiRXPhou+Nf75eYM3Hm4qo8jJgwCUHj87j5i8ExTg6pS v0ojbOCLKPfpyYWl0Qizjn/9egDf4nYktTdGqk7NeoLvO/cK8sLakJxfyb7cHO9I9ohE yuhQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=SBcD9WpP; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d9-v6si877011plj.551.2018.04.11.03.53.35; Wed, 11 Apr 2018 03:54:11 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=SBcD9WpP; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752956AbeDKKuC (ORCPT + 99 others); Wed, 11 Apr 2018 06:50:02 -0400 Received: from mail-oi0-f68.google.com ([209.85.218.68]:45535 "EHLO mail-oi0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752297AbeDKKuA (ORCPT ); Wed, 11 Apr 2018 06:50:00 -0400 Received: by mail-oi0-f68.google.com with SMTP id 71-v6so1240436oie.12 for ; Wed, 11 Apr 2018 03:50:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=iREHiN42AfU2tAyRJ+od1215qf89+Kzbn5CqbWdImHc=; b=SBcD9WpPGPviJtz7EnG6zEQH6P5ICrHxeKgzguCeyqL1clpx6msCJ22NF05SYdSXGU E7bBsUqwSHR1Pc992iRrw6YQkl6RYTK77FzEbAkkg9laa9TawxtV7vpw3RLAO5kwf14i mkLXeznDtxwIsDDMK4485nENt/xa0lqgHGCt0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=iREHiN42AfU2tAyRJ+od1215qf89+Kzbn5CqbWdImHc=; b=ap9BooBxOKPVY5hvJqPaPF8KOoqIe1I9sOkCbeaUrJzSi13fDIMNZ+Yjrh+qw2x/IC XxLweyZ+2U3Jva9AG3RrjqmgGE+4D9TvN9p0y3r58nxwLSxLoerBTJIoA+bksTMwid/B t9Pev8FeQ/6RXJ4XVe5qoFX/0emng++gKp93w82jZPfXISduv60QXToZpphbLb7XQV24 WIu1sjcL1CQhByVFcaZW1071+kW/qm88bZpb3kZYGTyqL0a+6fjWRBcaHe2+Yvw/cdJm zF/JAyjE+rsJcx5zahMY/Y70Skp0yrAKXdpB/3t4+WAYckNMKRgdOzAzkVjp30GXNLGx ++Xg== X-Gm-Message-State: ALQs6tAWkBfjJooG39/Kd5Kyql47crlstXX+UpEVAsMieZSB1hFnKod7 S0zvct9uMy5nzqEbLbEiFsqJgZP1q+oDGm/zkzroXw== X-Received: by 2002:aca:f513:: with SMTP id t19-v6mr2716227oih.128.1523443799969; Wed, 11 Apr 2018 03:49:59 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a9d:7081:0:0:0:0:0 with HTTP; Wed, 11 Apr 2018 03:49:59 -0700 (PDT) In-Reply-To: <20180411092402.GB6014@localhost> References: <20180411092402.GB6014@localhost> From: Baolin Wang Date: Wed, 11 Apr 2018 18:49:59 +0800 Message-ID: Subject: Re: [PATCH 1/5] dmaengine: sprd: Define the DMA transfer step type To: Vinod Koul Cc: Dan Williams , Eric Long , Mark Brown , dmaengine@vger.kernel.org, LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Vinod, On 11 April 2018 at 17:24, Vinod Koul wrote: > On Tue, Apr 10, 2018 at 03:46:03PM +0800, Baolin Wang wrote: >> From: Eric Long >> >> Define the DMA transfer step type to make code more readable. >> >> Signed-off-by: Eric Long >> Signed-off-by: Baolin Wang >> --- >> drivers/dma/sprd-dma.c | 28 ++++++++++++++++++++++------ >> 1 file changed, 22 insertions(+), 6 deletions(-) >> >> diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c >> index b106e8a..af9c156 100644 >> --- a/drivers/dma/sprd-dma.c >> +++ b/drivers/dma/sprd-dma.c >> @@ -169,6 +169,22 @@ enum sprd_dma_int_type { >> SPRD_DMA_CFGERR_INT, >> }; >> >> +/* >> + * enum sprd_dma_step: define the DMA transfer step type >> + * @SPRD_DMA_NONE_STEP: transfer do not need step >> + * @SPRD_DMA_BYTE_STEP: transfer step is one byte >> + * @SPRD_DMA_SHORT_STEP: transfer step is two bytes >> + * @SPRD_DMA_WORD_STEP: transfer step is one word >> + * @SPRD_DMA_DWORD_STEP: transfer step is double word >> + */ >> +enum sprd_dma_step { > > looking at bit defines, does it need to be enum? a #define would just be fine. Right. It seems more clear if we combined them into one enum structure, but I can convert to #define if you have strong preference. Thanks. -- Baolin.wang Best Regards