Latest kernel has many changes in IRQ subsystem and its interfaces, like adding
"irq_eoi" for struct irq_chip, this patch will make it support both the new and
old interface.

Cc: Alek Du <[email protected]>
Signed-off-by: Feng Tang <[email protected]>
---
 drivers/gpio/langwell_gpio.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c
index 64db9dc..fb7a3f4 100644
--- a/drivers/gpio/langwell_gpio.c
+++ b/drivers/gpio/langwell_gpio.c
@@ -206,7 +206,16 @@ 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));
+#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
+       else if (desc->chip->eoi)
+               desc->chip->eoi(irq);
+#endif
+       else
+               dev_warn(lnw->chip.dev, "missing EOI handler for irq %d\n", 
irq);
+
 }
 
 static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
-- 
1.7.0.4

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