arm: davinci: Fix fallout from generic irq chip conversion
The code which does the chained handler setup was overwriting
chip_data.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Holger Hans Peter Freyther <holger@freyther.de>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index a0b8388..e722139 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -252,9 +252,11 @@
static void
gpio_irq_handler(unsigned irq, struct irq_desc *desc)
{
- struct davinci_gpio_regs __iomem *g = irq2regs(irq);
+ struct davinci_gpio_regs __iomem *g;
u32 mask = 0xffff;
+ g = (__force struct davinci_gpio_regs __iomem *) irq_desc_get_handler_data(desc);
+
/* we only care about one bank */
if (irq & 1)
mask <<= 16;
@@ -422,8 +424,7 @@
/* set up all irqs in this bank */
irq_set_chained_handler(bank_irq, gpio_irq_handler);
- irq_set_chip_data(bank_irq, (__force void *)g);
- irq_set_handler_data(bank_irq, (void *)irq);
+ irq_set_handler_data(bank_irq, (__force void *)g);
for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
irq_set_chip(irq, &gpio_irqchip);