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langwell_gpio: modify EOI handling following change of kernel irq subsystem

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Latest kernel has many changes in IRQ subsystem and its interfaces, like
adding "irq_eoi" for struct irq_chip, this patch is a follow up change
for that.

Also remove the unnecessary cast for a "void *".

Signed-off-by: Feng Tang <[email protected]>
Cc: Alek Du <[email protected]>
Cc: Alan Cox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Feng Tang 2011-01-25 15:07:15 -08:00 • committed by Linus Torvalds
commit 0766d20fdb
1 changed files with 7 additions and 2 deletions
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9
drivers/gpio/langwell_gpio.c
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@ -187,7 +187,7 @@ MODULE_DEVICE_TABLE(pci, lnw_gpio_ids);
static void lnw_irq_handler(unsigned irq, struct irq_desc *desc)
{
struct lnw_gpio *lnw = (struct lnw_gpio *)get_irq_data(irq);
struct lnw_gpio *lnw = get_irq_data(irq);
u32 base, gpio;
void __iomem *gedr;
u32 gedr_v;
@ -206,7 +206,12 @@ static void lnw_irq_handler(unsigned irq, struct irq_desc *desc)
/* clear the edge detect status bit */
writel(gedr_v, gedr);
}
desc->chip->eoi(irq);
if (desc->chip->irq_eoi)
desc->chip->irq_eoi(irq_get_irq_data(irq));
else
dev_warn(lnw->chip.dev, "missing EOI handler for irq %d\n", irq);
}
static int __devinit lnw_gpio_probe(struct pci_dev *pdev,