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Date: Tue, 18 Jul 2017 11:54:20 -0500 From: Suman Anna <s-anna@...com> To: Keerthy <j-keerthy@...com>, <linus.walleij@...aro.org>, <ssantosh@...nel.org> CC: <robh+dt@...nel.org>, <nsekhar@...com>, <fcooper@...com>, <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 2/4] gpio: davinci: Handle the return value of davinci_gpio_irq_setup function 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 <j-keerthy@...com> > --- > 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. > + 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. regards Suman
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