From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753000AbdARTsc (ORCPT ); Wed, 18 Jan 2017 14:48:32 -0500 Received: from mail-pg0-f65.google.com ([74.125.83.65]:36537 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751394AbdARTsa (ORCPT ); Wed, 18 Jan 2017 14:48:30 -0500 Date: Wed, 18 Jan 2017 11:39:52 -0800 From: Dmitry Torokhov To: Guenter Roeck 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: <20170118193952.GG33920@dtor-ws> References: <1484761614-12225-1-git-send-email-linux@roeck-us.net> <1484761614-12225-14-git-send-email-linux@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1484761614-12225-14-git-send-email-linux@roeck-us.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. > > 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. > 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); > > return 0; > } > -- > 2.7.4 > Dropped the above 2 chunks and applied. -- Dmitry