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path: root/arch/alpha/kernel/sys_dp264.c
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Diffstat (limited to 'arch/alpha/kernel/sys_dp264.c')
-rw-r--r--arch/alpha/kernel/sys_dp264.c125
1 files changed, 44 insertions, 81 deletions
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index c71b0fd7a61..6c35159bc00 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -21,7 +21,6 @@
#include <linux/bitops.h>
#include <asm/ptrace.h>
-#include <asm/system.h>
#include <asm/dma.h>
#include <asm/irq.h>
#include <asm/mmu_context.h>
@@ -98,69 +97,41 @@ tsunami_update_irq_hw(unsigned long mask)
}
static void
-dp264_enable_irq(unsigned int irq)
+dp264_enable_irq(struct irq_data *d)
{
spin_lock(&dp264_irq_lock);
- cached_irq_mask |= 1UL << irq;
+ cached_irq_mask |= 1UL << d->irq;
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
-dp264_disable_irq(unsigned int irq)
+dp264_disable_irq(struct irq_data *d)
{
spin_lock(&dp264_irq_lock);
- cached_irq_mask &= ~(1UL << irq);
+ cached_irq_mask &= ~(1UL << d->irq);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
-static unsigned int
-dp264_startup_irq(unsigned int irq)
-{
- dp264_enable_irq(irq);
- return 0; /* never anything pending */
-}
-
-static void
-dp264_end_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- dp264_enable_irq(irq);
-}
-
static void
-clipper_enable_irq(unsigned int irq)
+clipper_enable_irq(struct irq_data *d)
{
spin_lock(&dp264_irq_lock);
- cached_irq_mask |= 1UL << (irq - 16);
+ cached_irq_mask |= 1UL << (d->irq - 16);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
static void
-clipper_disable_irq(unsigned int irq)
+clipper_disable_irq(struct irq_data *d)
{
spin_lock(&dp264_irq_lock);
- cached_irq_mask &= ~(1UL << (irq - 16));
+ cached_irq_mask &= ~(1UL << (d->irq - 16));
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
}
-static unsigned int
-clipper_startup_irq(unsigned int irq)
-{
- clipper_enable_irq(irq);
- return 0; /* never anything pending */
-}
-
-static void
-clipper_end_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- clipper_enable_irq(irq);
-}
-
static void
cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
{
@@ -168,7 +139,7 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
for (cpu = 0; cpu < 4; cpu++) {
unsigned long aff = cpu_irq_affinity[cpu];
- if (cpu_isset(cpu, affinity))
+ if (cpumask_test_cpu(cpu, &affinity))
aff |= 1UL << irq;
else
aff &= ~(1UL << irq);
@@ -176,52 +147,49 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
}
}
-static void
-dp264_set_affinity(unsigned int irq, cpumask_t affinity)
-{
+static int
+dp264_set_affinity(struct irq_data *d, const struct cpumask *affinity,
+ bool force)
+{
spin_lock(&dp264_irq_lock);
- cpu_set_irq_affinity(irq, affinity);
+ cpu_set_irq_affinity(d->irq, *affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
+
+ return 0;
}
-static void
-clipper_set_affinity(unsigned int irq, cpumask_t affinity)
-{
+static int
+clipper_set_affinity(struct irq_data *d, const struct cpumask *affinity,
+ bool force)
+{
spin_lock(&dp264_irq_lock);
- cpu_set_irq_affinity(irq - 16, affinity);
+ cpu_set_irq_affinity(d->irq - 16, *affinity);
tsunami_update_irq_hw(cached_irq_mask);
spin_unlock(&dp264_irq_lock);
+
+ return 0;
}
-static struct hw_interrupt_type dp264_irq_type = {
- .typename = "DP264",
- .startup = dp264_startup_irq,
- .shutdown = dp264_disable_irq,
- .enable = dp264_enable_irq,
- .disable = dp264_disable_irq,
- .ack = dp264_disable_irq,
- .end = dp264_end_irq,
- .set_affinity = dp264_set_affinity,
+static struct irq_chip dp264_irq_type = {
+ .name = "DP264",
+ .irq_unmask = dp264_enable_irq,
+ .irq_mask = dp264_disable_irq,
+ .irq_mask_ack = dp264_disable_irq,
+ .irq_set_affinity = dp264_set_affinity,
};
-static struct hw_interrupt_type clipper_irq_type = {
- .typename = "CLIPPER",
- .startup = clipper_startup_irq,
- .shutdown = clipper_disable_irq,
- .enable = clipper_enable_irq,
- .disable = clipper_disable_irq,
- .ack = clipper_disable_irq,
- .end = clipper_end_irq,
- .set_affinity = clipper_set_affinity,
+static struct irq_chip clipper_irq_type = {
+ .name = "CLIPPER",
+ .irq_unmask = clipper_enable_irq,
+ .irq_mask = clipper_disable_irq,
+ .irq_mask_ack = clipper_disable_irq,
+ .irq_set_affinity = clipper_set_affinity,
};
static void
dp264_device_interrupt(unsigned long vector)
{
-#if 1
- printk("dp264_device_interrupt: NOT IMPLEMENTED YET!! \n");
-#else
unsigned long pld;
unsigned int i;
@@ -239,12 +207,7 @@ dp264_device_interrupt(unsigned long vector)
isa_device_interrupt(vector);
else
handle_irq(16 + i);
-#if 0
- TSUNAMI_cchip->dir0.csr = 1UL << i; mb();
- tmp = TSUNAMI_cchip->dir0.csr;
-#endif
}
-#endif
}
static void
@@ -294,12 +257,12 @@ clipper_srm_device_interrupt(unsigned long vector)
}
static void __init
-init_tsunami_irqs(struct hw_interrupt_type * ops, int imin, int imax)
+init_tsunami_irqs(struct irq_chip * ops, int imin, int imax)
{
long i;
for (i = imin; i <= imax; ++i) {
- irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
- irq_desc[i].chip = ops;
+ irq_set_chip_and_handler(i, ops, handle_level_irq);
+ irq_set_status_flags(i, IRQ_LEVEL);
}
}
@@ -394,7 +357,7 @@ clipper_init_irq(void)
*/
static int __init
-isa_irq_fixup(struct pci_dev *dev, int irq)
+isa_irq_fixup(const struct pci_dev *dev, int irq)
{
u8 irq8;
@@ -410,7 +373,7 @@ isa_irq_fixup(struct pci_dev *dev, int irq)
}
static int __init
-dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+dp264_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
static char irq_tab[6][5] __initdata = {
/*INT INTA INTB INTC INTD */
@@ -432,7 +395,7 @@ dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
}
static int __init
-monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+monet_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
static char irq_tab[13][5] __initdata = {
/*INT INTA INTB INTC INTD */
@@ -481,7 +444,7 @@ monet_swizzle(struct pci_dev *dev, u8 *pinp)
slot = PCI_SLOT(dev->devfn);
break;
}
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ;
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
@@ -494,7 +457,7 @@ monet_swizzle(struct pci_dev *dev, u8 *pinp)
}
static int __init
-webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+webbrick_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
static char irq_tab[13][5] __initdata = {
/*INT INTA INTB INTC INTD */
@@ -516,7 +479,7 @@ webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
}
static int __init
-clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+clipper_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
static char irq_tab[7][5] __initdata = {
/*INT INTA INTB INTC INTD */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 06:31:51 +0000