[PORT FROM R2] GPIO controller driver

BZ: 16830

This BZ includes BZ:
3216

Change-Id: Ie47d733938e185b8c714233fcade1c08ff37b3e8
Signed-off-by: Philippe Skowronski <philippe.skowronski@intel.com>
Reviewed-on: http://android.intel.com:8080/27624
Reviewed-by: Chotard, Celine <celine.chotard@intel.com>
Tested-by: Chotard, Celine <celine.chotard@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>

diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c
index 212c32a..27a20bf 100644 (file)
--- a/drivers/gpio/langwell_gpio.c
+++ b/drivers/gpio/langwell_gpio.c
@@ -236,12 +236,17 @@ static int lnw_irq_wake(unsigned irq, unsigned on)
        return 0;
 }
 
+static void lnw_irq_ack(struct irq_data *d)
+{
+}
+
 static struct irq_chip lnw_irqchip = {
        .name           = "LNW-GPIO",
        .irq_mask       = lnw_irq_mask,
        .irq_unmask     = lnw_irq_unmask,
        .irq_set_type   = lnw_irq_type,
        .irq_set_wake   = lnw_irq_wake,
+       .irq_ack        = lnw_irq_ack,
 };
 
 static DEFINE_PCI_DEVICE_TABLE(lnw_gpio_ids) = {   /* pin number */
@@ -383,7 +388,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
        irq_set_chained_handler(pdev->irq, lnw_irq_handler);
        for (i = 0; i < lnw->chip.ngpio; i++) {
                irq_set_chip_and_handler_name(i + lnw->irq_base, &lnw_irqchip,
-                                             handle_simple_irq, "demux");
+                                             handle_edge_irq, "demux");
                irq_set_chip_data(i + lnw->irq_base, lnw);
        }