Received: by 2002:a25:31c3:0:0:0:0:0 with SMTP id x186csp979947ybx; Thu, 31 Oct 2019 04:02:07 -0700 (PDT) X-Google-Smtp-Source: APXvYqybrr1uS6YoOGSmnEblE+jYY77e6LcrkCXm8iC05EwauKut/DM7hwbN6Lv7tOj2CaSqTOhG X-Received: by 2002:a50:9993:: with SMTP id m19mr5104747edb.208.1572519727314; Thu, 31 Oct 2019 04:02:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1572519727; cv=none; d=google.com; s=arc-20160816; b=SHJUA+ebGjmkKIOzh79GTEF8L+mKocEWt3jIzW3jJeuHMgYPiEntoNNHHS0Npnc3W+ Bfh9WCBvGBhiU/eDrFabAEZyDbvg1XiFhU+T1VsWxuqK06pssfg6PiXShzekMddceitL sJlK3G28TggYPdE7KtR5JFlyO6vAPfKl9Zx9ue1o3YiULeqlLpkj3VgtI0luXbETa8bq dfLXN2S8rF23QlbO6K4OKqp2mbz09oStW/nk5s345nP6E3EGykRa36Vi1nMjbrYjecHV 004ElNwHGKT6YB4HyHkVxTluMjeEbV/zLpUY2sFgCdDFd7bt3YEecVKi+mZ5fsh7p88X v4tw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:message-id:subject:cc:to:from :date; bh=hWVukM9/1wGPfJ4EFbrf8hG7vjDWVlAwBOe7tgeWWhs=; b=IjupMmirioaQmUaAwwiXNf53dOx3hZwp72q6PtdX7ft4Jn6ISG54rMNhiz+L3+PkSt YjD1LY08QOLC/s/mqirHGUIpZfDLvOGYjrS7SHMJFFvSBpYr5rRsRL5z0p7Cbk6dRgQQ qAfA6W70Bvrs5iV+D11WCA6RsSJCPe8U+EG5wl8FfNmWmum+0O6nTUAJRbPp4qq6C7Q6 ygR/dIfgpWqVHxQlXIdtLECucBHTJv1hGZ5x6WaEaqP9XqeShR/GLZe3UV73p4zNpyJx /umWug18ua366rM35FXQHgYagI2SHQJ1V8uttrJtzz4LBY647rlzyU99kipC++WVX/N9 T8BQ== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=collabora.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r16si1584324ejx.373.2019.10.31.04.01.43; Thu, 31 Oct 2019 04:02:07 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727205AbfJaK7A (ORCPT + 99 others); Thu, 31 Oct 2019 06:59:00 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:46712 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726897AbfJaK7A (ORCPT ); Thu, 31 Oct 2019 06:59:00 -0400 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 7949028FB50; Thu, 31 Oct 2019 10:58:58 +0000 (GMT) Date: Thu, 31 Oct 2019 11:58:56 +0100 From: Boris Brezillon To: Cc: , , , , Subject: Re: [PATCH v3 10/32] mtd: spi-nor: Pointer parameter for CR in spi_nor_read_cr() Message-ID: <20191031115856.4dacc552@collabora.com> In-Reply-To: <20191029111615.3706-11-tudor.ambarus@microchip.com> References: <20191029111615.3706-1-tudor.ambarus@microchip.com> <20191029111615.3706-11-tudor.ambarus@microchip.com> Organization: Collabora X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 29 Oct 2019 11:17:04 +0000 wrote: > From: Tudor Ambarus > > Let the callers pass the pointer to the DMA-able buffer where > the value of the Configuration Register will be written. This way we > avoid the casts between int and u8, which can be confusing. > > Callers stop compare the return value of spi_nor_read_cr() with negative, > spi_nor_read_cr() returns 0 on success and -errno otherwise. > > Signed-off-by: Tudor Ambarus Reviewed-by: Boris Brezillon There's just this &nor->bouncebuf[0] that I'd prefer to be turned into nor->bouncebuf if you're okay.