diff options
Diffstat (limited to 'arch/arm/plat-mxc/mvf_gpio.c')
| -rw-r--r-- | arch/arm/plat-mxc/mvf_gpio.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/plat-mxc/mvf_gpio.c b/arch/arm/plat-mxc/mvf_gpio.c index 43d32f0b3916..ce57bcf2f352 100644 --- a/arch/arm/plat-mxc/mvf_gpio.c +++ b/arch/arm/plat-mxc/mvf_gpio.c @@ -31,6 +31,7 @@ //#define GPIO_DEBUG +#undef GPIO_DEBUG #ifdef GPIO_DEBUG #define GPRT(fmt, args...) printk("DBG:%s[%d]" fmt,__func__,__LINE__,## args) #else @@ -176,7 +177,6 @@ static void gpio_mask_irq(struct irq_data *d) static void gpio_unmask_irq(struct irq_data *d) { u32 gpio = irq_to_gpio(d->irq); - printk("gpio = %d\n",gpio); _set_gpio_irqenable(&mvf_gpio_ports[gpio / 32], gpio & 0x1f, 1); } @@ -226,9 +226,11 @@ static void mvf_gpio_irq_handler(struct mvf_gpio_port *port, u32 irq_stat) { u32 gpio_irq_no_base = port->virtual_irq_start; + GPRT("irq_stat = %d\n",irq_stat); while (irq_stat != 0) { int irqoffset = fls(irq_stat) - 1; generic_handle_irq(gpio_irq_no_base + irqoffset); + GPRT("virq = %d\n",gpio_irq_no_base + irqoffset); irq_stat &= ~(1 << irqoffset); } @@ -240,12 +242,15 @@ static void mvf_gpio_irq_chain_handler(u32 irq, struct irq_desc *desc) struct mvf_gpio_port *port = irq_get_handler_data(irq); struct irq_chip *chip = irq_get_chip(irq); + GPRT("irq = %d\n",irq); chained_irq_enter(chip, desc); irq_stat = __raw_readl((void __iomem *)((u32)(port->pbase) + PORT_ISFR)); mvf_gpio_irq_handler(port, irq_stat); + __raw_writel(irq_stat,(void __iomem *)((u32)(port->pbase) + PORT_ISFR)); + chained_irq_exit(chip, desc); } |