From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keerthy Subject: Re: [PATCH 2/4] gpio: davinci: Handle the return value of davinci_gpio_irq_setup function Date: Tue, 18 Jul 2017 23:16:07 +0530 Message-ID: References: <1500375436-9435-1-git-send-email-j-keerthy@ti.com> <1500375436-9435-3-git-send-email-j-keerthy@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Suman Anna , linus.walleij@linaro.org, ssantosh@kernel.org Cc: devicetree@vger.kernel.org, nsekhar@ti.com, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, robh+dt@kernel.org, fcooper@ti.com, linux-arm-kernel@lists.infradead.org List-Id: linux-gpio@vger.kernel.org On Tuesday 18 July 2017 10:24 PM, Suman Anna wrote: > Hi Keerthy, > > On 07/18/2017 05:57 AM, Keerthy wrote: >> Currently davinci_gpio_irq_setup return value is ignored. Handle the >> return value appropriately. >> >> Signed-off-by: Keerthy >> --- >> drivers/gpio/gpio-davinci.c | 18 +++++++++++++----- >> 1 file changed, 13 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c >> index 2c88054..932f270 100644 >> --- a/drivers/gpio/gpio-davinci.c >> +++ b/drivers/gpio/gpio-davinci.c >> @@ -233,15 +233,23 @@ static int davinci_gpio_probe(struct platform_device *pdev) >> chips->regs[bank] = gpio_base + offset_array[bank]; >> >> ret = devm_gpiochip_add_data(dev, &chips->chip, chips); >> + if (ret) >> + goto err; >> + >> + platform_set_drvdata(pdev, chips); >> + ret = davinci_gpio_irq_setup(pdev); >> if (ret) { >> - ctrl_num = 0; >> - bank_base = 0; >> - return ret; >> + platform_set_drvdata(pdev, NULL); > > This is not needed, driver core will set this automatically if probe fails. okay. I will remove this. > >> + goto err; >> } >> >> - platform_set_drvdata(pdev, chips); >> - davinci_gpio_irq_setup(pdev); >> return 0; >> + >> +err: >> + ctrl_num = 0; >> + bank_base = 0; > > Same comments as on Patch 1. Yup will fix this as i have done with Patch 1. > > regards > Suman >