From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753112AbdARUfX (ORCPT ); Wed, 18 Jan 2017 15:35:23 -0500 Received: from bh-25.webhostbox.net ([208.91.199.152]:57812 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752550AbdARUfV (ORCPT ); Wed, 18 Jan 2017 15:35:21 -0500 Date: Wed, 18 Jan 2017 12:35:17 -0800 From: Guenter Roeck To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 13/33] Input: bfin_rotary - Use 'dev' instead of dereferencing it and other changes Message-ID: <20170118203517.GB6807@roeck-us.net> References: <1484761614-12225-1-git-send-email-linux@roeck-us.net> <1484761614-12225-14-git-send-email-linux@roeck-us.net> <20170118193952.GG33920@dtor-ws> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170118193952.GG33920@dtor-ws> User-Agent: Mutt/1.5.24 (2015-08-30) X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: guenter@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: guenter@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 18, 2017 at 11:39:52AM -0800, Dmitry Torokhov wrote: > On Wed, Jan 18, 2017 at 09:46:34AM -0800, Guenter Roeck wrote: > > Use local variable 'dev' instead of dereferencing it several times. > > Other relevant changes: > > Replace devm_add_action() with devm_add_action_or_reset() > > > > This conversion was done automatically with coccinelle using the > > following semantic patches. The semantic patches and the scripts > > used to generate this commit log are available at > > https://github.com/groeck/coccinelle-patches > > > > - Replace devm_add_action() followed by failure action with > > devm_add_action_or_reset() > > - Drop unnecessary braces around conditional return statements > > - Use local variable 'struct device *dev' consistently > > > > Signed-off-by: Guenter Roeck > > --- > > drivers/input/misc/bfin_rotary.c | 18 ++++++++---------- > > 1 file changed, 8 insertions(+), 10 deletions(-) > > > > diff --git a/drivers/input/misc/bfin_rotary.c b/drivers/input/misc/bfin_rotary.c > > index a0fc18fdfc0c..9f5790c6e06b 100644 > > --- a/drivers/input/misc/bfin_rotary.c > > +++ b/drivers/input/misc/bfin_rotary.c > > @@ -141,25 +141,23 @@ static int bfin_rotary_probe(struct platform_device *pdev) > > > > /* Basic validation */ > > if ((pdata->rotary_up_key && !pdata->rotary_down_key) || > > - (!pdata->rotary_up_key && pdata->rotary_down_key)) { > > + (!pdata->rotary_up_key && pdata->rotary_down_key)) > > return -EINVAL; > > - } > > This is complex "if" statement, would prefer keep the braces. > Agreed. > > > > if (pdata->pin_list) { > > error = peripheral_request_list(pdata->pin_list, > > - dev_name(&pdev->dev)); > > + dev_name(dev)); > > if (error) { > > dev_err(dev, "requesting peripherals failed: %d\n", > > error); > > return error; > > } > > > > - error = devm_add_action(dev, bfin_rotary_free_action, > > - pdata->pin_list); > > + error = devm_add_action_or_reset(dev, bfin_rotary_free_action, > > + pdata->pin_list); > > if (error) { > > dev_err(dev, "setting cleanup action failed: %d\n", > > error); > > - peripheral_free_list(pdata->pin_list); > > return error; > > } > > } > > @@ -189,7 +187,7 @@ static int bfin_rotary_probe(struct platform_device *pdev) > > > > input->name = pdev->name; > > input->phys = "bfin-rotary/input0"; > > - input->dev.parent = &pdev->dev; > > + input->dev.parent = dev; > > > > input_set_drvdata(input, rotary); > > > > @@ -224,8 +222,8 @@ static int bfin_rotary_probe(struct platform_device *pdev) > > return -ENOENT; > > } > > > > - error = devm_request_irq(dev, rotary->irq, bfin_rotary_isr, > > - 0, dev_name(dev), rotary); > > + error = devm_request_irq(dev, rotary->irq, bfin_rotary_isr, 0, > > + dev_name(dev), rotary); > > Do not see point of this change. > Me fighting with coccinelle ;-). Diffficult to tell it to avoid non-changes like this. I need to figure out to tell it to ... > > if (error) { > > dev_err(dev, "unable to claim irq %d; error %d\n", > > rotary->irq, error); > > @@ -239,7 +237,7 @@ static int bfin_rotary_probe(struct platform_device *pdev) > > } > > > > platform_set_drvdata(pdev, rotary); > > - device_init_wakeup(&pdev->dev, 1); > > + device_init_wakeup(dev, 1); ... only reformat a line when it is actually doing something on that line, not on the entire function. Thanks, Guenter