Messages in this thread | | | From | Alexander Stein <> | Subject | Re: [PATCH v3] pch_gpio: Support interrupt function | Date | Thu, 30 Jun 2011 09:53:15 +0200 |
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On Thursday 30 June 2011 04:07:16 Tomoya MORINAGA wrote: > Hi Grant, > > If you don't have any concern, would you accept this patch ? > > Thanks, > > (2011/06/21 13:44), Tomoya MORINAGA wrote: > > Support interrupt function using irq_chip_generic > > > > Signed-off-by: Tomoya MORINAGA<tomoya-linux@dsn.okisemi.com> > > --- > > @@ -202,8 +345,36 @@ static int __devinit pch_gpio_probe(struct pci_dev > > *pdev, > > > > goto err_gpiochip_add; > > > > } > > > > + irq_base = irq_alloc_descs(-1, PCH_IRQ_BASE, GPIO_NUM_PINS, > > GFP_KERNEL); + if (irq_base< 0) { > > + dev_err(&pdev->dev, "PCH gpio: Failed to get IRQ base num\n"); > > + goto err_irq_alloc_descs; > > + } > > + chip->irq_base = irq_base; > > + > > + ret = request_irq(pdev->irq, pch_gpio_handler, > > + IRQF_SHARED, KBUILD_MODNAME, chip); > > + if (ret != 0) { > > + dev_err(&pdev->dev, > > + "%s request_irq failed\n", __func__); > > + goto err_request_irq; > > + } > > + > > + pch_gpio_alloc_generic_chip(chip, irq_base, GPIO_NUM_PINS); > > + > > + /* Initialize interrupt ien register */ > > + iowrite32(0,&chip->reg->ien); > > + > > > > return 0; > > > > +err_request_irq: > > + irq_free_descs(irq_base, GPIO_NUM_PINS); > > + > > +err_irq_alloc_descs: > > + ret = gpiochip_remove(&chip->gpio); > > + if (ret) > > + dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__); > > + > > > > err_gpiochip_add: > > pci_iounmap(pdev, chip->base); > > > > @@ -224,6 +395,8 @@ static void __devexit pch_gpio_remove(struct pci_dev > > *pdev) > > > > int err; > > struct pch_gpio *chip = pci_get_drvdata(pdev); > > > > + irq_free_descs(chip->irq_base, GPIO_NUM_PINS); > > +
Is a free_irq missing here?
> > > > err = gpiochip_remove(&chip->gpio); > > if (err) > > > > dev_err(&pdev->dev, "Failed gpiochip_remove\n");
Regards, Alexander
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