* warranty of any kind, whether express or implied.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/bitops.h>
return offset / ticks_per_usec;
}
-static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static int ixp2000_timer_interrupt(int irq, void *dev_id)
{
write_seqlock(&xtime_lock);
/* clear timer 1 */
ixp2000_reg_wrb(IXP2000_T1_CLR, 1);
- while ((next_jiffy_time - *missing_jiffy_timer_csr) > ticks_per_jiffy) {
- timer_tick(regs);
+ while ((signed long)(next_jiffy_time - *missing_jiffy_timer_csr)
+ >= ticks_per_jiffy) {
+ timer_tick();
next_jiffy_time -= ticks_per_jiffy;
}
static struct irqaction ixp2000_timer_irq = {
.name = "IXP2000 Timer Tick",
- .flags = SA_INTERRUPT | SA_TIMER,
+ .flags = IRQF_DISABLED | IRQF_TIMER,
.handler = ixp2000_timer_interrupt,
};
local_irq_save(flags);
if (direction == GPIO_OUT) {
- irq_desc[line + IRQ_IXP2000_GPIO0].valid = 0;
-
/* if it's an output, it ain't an interrupt anymore */
GPIO_IRQ_falling_edge &= ~(1 << line);
GPIO_IRQ_rising_edge &= ~(1 << line);
}
local_irq_restore(flags);
}
+EXPORT_SYMBOL(gpio_line_config);
/*************************************************************************
* IRQ handling IXP2000
*************************************************************************/
-static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irq_desc *desc)
{
int i;
unsigned long status = *IXP2000_GPIO_INST;
for (i = 0; i <= 7; i++) {
if (status & (1<<i)) {
desc = irq_desc + i + IRQ_IXP2000_GPIO0;
- desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc, regs);
+ desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc);
}
}
}
GPIO_IRQ_level_high &= ~(1 << line);
update_gpio_int_csrs();
- /*
- * Finally, mark the corresponding IRQ as valid.
- */
- irq_desc[irq].valid = 1;
-
return 0;
}
ixp2000_reg_write(IXP2000_GPIO_INSR, (1 << (irq - IRQ_IXP2000_GPIO0)));
}
-static struct irqchip ixp2000_GPIO_irq_chip = {
+static struct irq_chip ixp2000_GPIO_irq_chip = {
.ack = ixp2000_GPIO_irq_mask_ack,
.mask = ixp2000_GPIO_irq_mask,
.unmask = ixp2000_GPIO_irq_unmask,
/*
* Error interrupts. These are used extensively by the microengine drivers
*/
-static void ixp2000_err_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
+static void ixp2000_err_irq_handler(unsigned int irq, struct irq_desc *desc)
{
int i;
unsigned long status = *IXP2000_IRQ_ERR_STATUS;
for(i = 31; i >= 0; i--) {
if(status & (1 << i)) {
desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i;
- desc->handle(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc, regs);
+ desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc);
}
}
}
(1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR)));
}
-static struct irqchip ixp2000_err_irq_chip = {
+static struct irq_chip ixp2000_err_irq_chip = {
.ack = ixp2000_err_irq_mask,
.mask = ixp2000_err_irq_mask,
.unmask = ixp2000_err_irq_unmask
};
-static struct irqchip ixp2000_pci_irq_chip = {
+static struct irq_chip ixp2000_pci_irq_chip = {
.ack = ixp2000_pci_irq_mask,
.mask = ixp2000_pci_irq_mask,
.unmask = ixp2000_pci_irq_unmask
ixp2000_reg_write(IXP2000_IRQ_ENABLE_SET, (1 << irq));
}
-static struct irqchip ixp2000_irq_chip = {
+static struct irq_chip ixp2000_irq_chip = {
.ack = ixp2000_irq_mask,
.mask = ixp2000_irq_mask,
.unmask = ixp2000_irq_unmask
for (irq = IRQ_IXP2000_SOFT_INT; irq <= IRQ_IXP2000_THDB3; irq++) {
if ((1 << irq) & IXP2000_VALID_IRQ_MASK) {
set_irq_chip(irq, &ixp2000_irq_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
} else set_irq_flags(irq, 0);
}
if((1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR)) &
IXP2000_VALID_ERR_IRQ_MASK) {
set_irq_chip(irq, &ixp2000_err_irq_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
else
}
set_irq_chained_handler(IRQ_IXP2000_ERRSUM, ixp2000_err_irq_handler);
- /*
- * GPIO IRQs are invalid until someone sets the interrupt mode
- * by calling set_irq_type().
- */
for (irq = IRQ_IXP2000_GPIO0; irq <= IRQ_IXP2000_GPIO7; irq++) {
set_irq_chip(irq, &ixp2000_GPIO_irq_chip);
- set_irq_handler(irq, do_level_IRQ);
- set_irq_flags(irq, 0);
+ set_irq_handler(irq, handle_level_irq);
+ set_irq_flags(irq, IRQF_VALID);
}
set_irq_chained_handler(IRQ_IXP2000_GPIO, ixp2000_GPIO_irq_handler);
ixp2000_reg_write(IXP2000_IRQ_ENABLE_SET, (1 << IRQ_IXP2000_PCI));
for (irq = IRQ_IXP2000_PCIA; irq <= IRQ_IXP2000_PCIB; irq++) {
set_irq_chip(irq, &ixp2000_pci_irq_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
}