diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-langwell.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-langwell.c b/drivers/gpio/gpio-langwell.c index 0bea41b8a22..bc15ae3d7cf 100644 --- a/drivers/gpio/gpio-langwell.c +++ b/drivers/gpio/gpio-langwell.c @@ -306,6 +306,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev, u32 irq_base; u32 gpio_base; int retval = 0; + int ngpio = id->driver_data; retval = pci_enable_device(pdev); if (retval) @@ -344,8 +345,15 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev, retval = -ENOMEM; goto err3; } + + retval = irq_alloc_descs(-1, irq_base, ngpio, 0); + if (retval < 0) { + dev_err(&pdev->dev, "can't allocate IRQ descs\n"); + goto err3; + } + lnw->irq_base = retval; + lnw->reg_base = base; - lnw->irq_base = irq_base; lnw->chip.label = dev_name(&pdev->dev); lnw->chip.request = lnw_gpio_request; lnw->chip.direction_input = lnw_gpio_direction_input; @@ -354,14 +362,14 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev, lnw->chip.set = lnw_gpio_set; lnw->chip.to_irq = lnw_gpio_to_irq; lnw->chip.base = gpio_base; - lnw->chip.ngpio = id->driver_data; + lnw->chip.ngpio = ngpio; lnw->chip.can_sleep = 0; lnw->pdev = pdev; pci_set_drvdata(pdev, lnw); retval = gpiochip_add(&lnw->chip); if (retval) { dev_err(&pdev->dev, "langwell gpiochip_add error %d\n", retval); - goto err3; + goto err4; } irq_set_handler_data(pdev->irq, lnw); irq_set_chained_handler(pdev->irq, lnw_irq_handler); @@ -378,6 +386,8 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev, return 0; +err4: + irq_free_descs(lnw->irq_base, ngpio); err3: pci_release_regions(pdev); err2: |