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=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_PASS autolearn=unavailable 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 81861C43444 for ; Mon, 7 Jan 2019 10:38:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53FA72147C for ; Mon, 7 Jan 2019 10:38:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="pl2TF+xV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726707AbfAGKio (ORCPT ); Mon, 7 Jan 2019 05:38:44 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:54180 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726669AbfAGKio (ORCPT ); Mon, 7 Jan 2019 05:38:44 -0500 Received: from [192.168.0.21] (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 3AB17530; Mon, 7 Jan 2019 11:38:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1546857521; bh=jJT03TuCf+tkxuOA86Pem4iuC76rlVLrcUU4TBjgOq0=; h=Reply-To:Subject:To:Cc:References:From:Date:In-Reply-To:From; b=pl2TF+xV968QID1+Km1LXOgGwqdGF8qVauoDfTlkniRks8iAV4cTiXhwkMkwjlzJO RBpqsdYsKNJE4eb6r4zTKRHMkLnahK9LqtzxHB58Hux9pdpTdpZr4+oSQjkT6zO8m9 9wqDCLHLEMN8ymMWp44NiTSfYbl4GGdqoLWAEsHk= Reply-To: kieran.bingham@ideasonboard.com Subject: Re: [PATCH v2 1/6] media: adv748x: Add is_txb() To: Jacopo Mondi Cc: Jacopo Mondi , laurent.pinchart@ideasonboard.com, niklas.soderlund+renesas@ragnatech.se, linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20190106155413.30666-1-jacopo+renesas@jmondi.org> <20190106155413.30666-2-jacopo+renesas@jmondi.org> <556804e3-c537-2e85-5335-0194dfe7f83b@ideasonboard.com> <20190107100542.5qszrtydqzowhzlp@uno.localdomain> From: Kieran Bingham Openpgp: preference=signencrypt Autocrypt: addr=kieran.bingham@ideasonboard.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20190107100542.5qszrtydqzowhzlp@uno.localdomain> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Jacopo, On 07/01/2019 10:05, Jacopo Mondi wrote: > Hi Kieran, >>> diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h >>> index b482c7fe6957..bc2da1b5ce29 100644 >>> --- a/drivers/media/i2c/adv748x/adv748x.h >>> +++ b/drivers/media/i2c/adv748x/adv748x.h >>> @@ -89,8 +89,12 @@ struct adv748x_csi2 { >>> >>> #define notifier_to_csi2(n) container_of(n, struct adv748x_csi2, notifier) >>> #define adv748x_sd_to_csi2(sd) container_of(sd, struct adv748x_csi2, sd) >>> + >>> #define is_tx_enabled(_tx) ((_tx)->state->endpoints[(_tx)->port] != NULL) >>> -#define is_txa(_tx) ((_tx) == &(_tx)->state->txa) >>> +#define __is_tx(_tx, _ab) ((_tx) == &(_tx)->state->tx##_ab) >>> +#define is_txa(_tx) __is_tx(_tx, a) >>> +#define is_txb(_tx) __is_tx(_tx, b) >> >> I would have just duplicated the is_txa() line here... but this is good >> too :) > > I agree it might seem more complex than necessary. I initially made it > like this as I started from the 'is_tx()' macro this series adds in > 6/6. > > If it is easier to have an '((_tx) == &(_tx)->state->txb)' I can > change this. It's fine for me as you've got it. It's still clear and readable, and implements the required functionality. -- Regards -- Kieran