From patchwork Sat Sep 21 12:58:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Zerella X-Patchwork-Id: 1165581 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="FuXKtizc"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46b9cP2W5Fz9sDB for ; Sat, 21 Sep 2019 22:58:13 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407619AbfIUM6M (ORCPT ); Sat, 21 Sep 2019 08:58:12 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:40627 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2407616AbfIUM6M (ORCPT ); Sat, 21 Sep 2019 08:58:12 -0400 Received: by mail-pg1-f193.google.com with SMTP id w10so5381746pgj.7 for ; Sat, 21 Sep 2019 05:58:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=Mu+zBpq9b/jWdQOUN8vxIvFaJLLO4vVxC25/55CrgIk=; b=FuXKtizcxT2hsPdUFIOC51abOVFlTo2gSGMtkvcYlozFzhfG9+h0qlMGDIvmnY8yPM Lmu+fOCm6KbOIjAqfSMi3d5ENNTrFlCVDM5Ww2DwOWVT/Nn0AdAsNONznEmiIzzpa+yk 6whMFKP2paZ+EvgwRoWO+JXIcgZKJnQghV3NB36yQ2eSPSndv2imDh85fPGcQ4Mo6rGA Bh5gE2b9tQ2zVGpT09rHtvdDkMCJXYZxJY1Tg6S/ixmModyIjFguZSDuC2uFq7sjAtZk fTw+jYCPObuFnqmux/xwpLq6n0/N9kX4jLarfgpc1QY8kM7ys/3K0cFwN+ANAppFaj18 dfDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=Mu+zBpq9b/jWdQOUN8vxIvFaJLLO4vVxC25/55CrgIk=; b=XfI/MtN6grd9trj+jqEbNMfolZ04vdsnQMPw+C/abatH2aEjloe8rZrlOQFfPJpq2d /bD3lWREAsRLthkAlg76/yoVmXnFCSIfZvnNwW/FC1qoHXak/O2gqA+qd6xyK/Pirn7Z IaU26YwCvyjNp3XIm0/RkEyrUj1StQpGoHEFtm+xltrnqCpDj6uOE6fb2msCoFSScvOl 6h5Xsa3Kv7fVeCMl+ZTjYhVknno8O3nVK+RRz/+v+lPtkJoWVO3o/8bTg8xjj+4hB+Hg 6cEirB2gUXrya06/bSjA5DMZJOFkl2XU3PTJN8AE6YUGfs63OjI1cBt6A7KKYjH87V4w Wa6g== X-Gm-Message-State: APjAAAW9Tzay8B6NnqQ/U2SmS6B3KB9xHfx7BsH3LA1kkVPmqysalW4g q55ZK2TVwugnlzY4sz7EB5Q= X-Google-Smtp-Source: APXvYqx95bK+2jBI1/IX4H1wFwrDl79u9mJvUOi6D2J5FHFTaieAk5HD5XxADe1OzhmLAfZd6aIkiQ== X-Received: by 2002:a63:e853:: with SMTP id a19mr19525741pgk.296.1569070691300; Sat, 21 Sep 2019 05:58:11 -0700 (PDT) Received: from gmail.com (ip-103-85-37-119.syd.xi.com.au. [103.85.37.119]) by smtp.gmail.com with ESMTPSA id q88sm5950883pjq.9.2019.09.21.05.58.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Sep 2019 05:58:10 -0700 (PDT) Date: Sat, 21 Sep 2019 22:58:04 +1000 From: Adam Zerella To: Guenter Roeck Cc: linux-i2c@vger.kernel.org, Adam Zerella Subject: [PATCH] i2c: busses: Convert parameter to __le32 Message-ID: <20190921125804.GA10910@gmail.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org The assignment of `serial` is using le32_to_cpu() without first converting the parameter `dev->ibuffer` to __le32. This produces a Sparse warning of: `warning: cast to restricted __le32` Signed-off-by: Adam Zerella --- drivers/i2c/busses/i2c-diolan-u2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c index 382f105e0fe3..32de47eda950 100644 --- a/drivers/i2c/busses/i2c-diolan-u2c.c +++ b/drivers/i2c/busses/i2c-diolan-u2c.c @@ -289,7 +289,7 @@ static void diolan_get_serial(struct i2c_diolan_u2c *dev) ret = diolan_usb_cmd(dev, CMD_GET_SERIAL, true); if (ret >= 4) { - serial = le32_to_cpu(*(u32 *)dev->ibuffer); + serial = le32_to_cpu(cpu_to_le32(*(u32 *)dev->ibuffer)); dev_info(&dev->interface->dev, "Diolan U2C serial number %u\n", serial); }