aboutsummaryrefslogtreecommitdiff
path: root/arch/alpha/kernel/sys_titan.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/alpha/kernel/sys_titan.c')
-rw-r--r--arch/alpha/kernel/sys_titan.c76
1 files changed, 32 insertions, 44 deletions
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 9008d0f20c5..a53cf03f49d 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.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>
@@ -65,10 +64,11 @@ titan_update_irq_hw(unsigned long mask)
register int bcpu = boot_cpuid;
#ifdef CONFIG_SMP
- cpumask_t cpm = cpu_present_map;
+ cpumask_t cpm;
volatile unsigned long *dim0, *dim1, *dim2, *dim3;
unsigned long mask0, mask1, mask2, mask3, dummy;
+ cpumask_copy(&cpm, cpu_present_mask);
mask &= ~isa_enable;
mask0 = mask & titan_cpu_irq_affinity[0];
mask1 = mask & titan_cpu_irq_affinity[1];
@@ -84,10 +84,10 @@ titan_update_irq_hw(unsigned long mask)
dim1 = &cchip->dim1.csr;
dim2 = &cchip->dim2.csr;
dim3 = &cchip->dim3.csr;
- if (!cpu_isset(0, cpm)) dim0 = &dummy;
- if (!cpu_isset(1, cpm)) dim1 = &dummy;
- if (!cpu_isset(2, cpm)) dim2 = &dummy;
- if (!cpu_isset(3, cpm)) dim3 = &dummy;
+ if (!cpumask_test_cpu(0, &cpm)) dim0 = &dummy;
+ if (!cpumask_test_cpu(1, &cpm)) dim1 = &dummy;
+ if (!cpumask_test_cpu(2, &cpm)) dim2 = &dummy;
+ if (!cpumask_test_cpu(3, &cpm)) dim3 = &dummy;
*dim0 = mask0;
*dim1 = mask1;
@@ -112,8 +112,9 @@ titan_update_irq_hw(unsigned long mask)
}
static inline void
-titan_enable_irq(unsigned int irq)
+titan_enable_irq(struct irq_data *d)
{
+ unsigned int irq = d->irq;
spin_lock(&titan_irq_lock);
titan_cached_irq_mask |= 1UL << (irq - 16);
titan_update_irq_hw(titan_cached_irq_mask);
@@ -121,35 +122,22 @@ titan_enable_irq(unsigned int irq)
}
static inline void
-titan_disable_irq(unsigned int irq)
+titan_disable_irq(struct irq_data *d)
{
+ unsigned int irq = d->irq;
spin_lock(&titan_irq_lock);
titan_cached_irq_mask &= ~(1UL << (irq - 16));
titan_update_irq_hw(titan_cached_irq_mask);
spin_unlock(&titan_irq_lock);
}
-static unsigned int
-titan_startup_irq(unsigned int irq)
-{
- titan_enable_irq(irq);
- return 0; /* never anything pending */
-}
-
-static void
-titan_end_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- titan_enable_irq(irq);
-}
-
static void
titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
{
int cpu;
for (cpu = 0; cpu < 4; cpu++) {
- if (cpu_isset(cpu, affinity))
+ if (cpumask_test_cpu(cpu, &affinity))
titan_cpu_irq_affinity[cpu] |= 1UL << irq;
else
titan_cpu_irq_affinity[cpu] &= ~(1UL << irq);
@@ -158,8 +146,10 @@ titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity)
}
static int
-titan_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
+titan_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity,
+ bool force)
{
+ unsigned int irq = d->irq;
spin_lock(&titan_irq_lock);
titan_cpu_set_irq_affinity(irq - 16, *affinity);
titan_update_irq_hw(titan_cached_irq_mask);
@@ -189,20 +179,17 @@ init_titan_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);
}
}
static struct irq_chip titan_irq_type = {
- .name = "TITAN",
- .startup = titan_startup_irq,
- .shutdown = titan_disable_irq,
- .enable = titan_enable_irq,
- .disable = titan_disable_irq,
- .ack = titan_disable_irq,
- .end = titan_end_irq,
- .set_affinity = titan_set_irq_affinity,
+ .name = "TITAN",
+ .irq_unmask = titan_enable_irq,
+ .irq_mask = titan_disable_irq,
+ .irq_mask_ack = titan_disable_irq,
+ .irq_set_affinity = titan_set_irq_affinity,
};
static irqreturn_t
@@ -293,15 +280,15 @@ titan_late_init(void)
* all reported to the kernel as machine checks, so the handler
* is a nop so it can be called to count the individual events.
*/
- titan_request_irq(63+16, titan_intr_nop, IRQF_DISABLED,
+ titan_request_irq(63+16, titan_intr_nop, 0,
"CChip Error", NULL);
- titan_request_irq(62+16, titan_intr_nop, IRQF_DISABLED,
+ titan_request_irq(62+16, titan_intr_nop, 0,
"PChip 0 H_Error", NULL);
- titan_request_irq(61+16, titan_intr_nop, IRQF_DISABLED,
+ titan_request_irq(61+16, titan_intr_nop, 0,
"PChip 1 H_Error", NULL);
- titan_request_irq(60+16, titan_intr_nop, IRQF_DISABLED,
+ titan_request_irq(60+16, titan_intr_nop, 0,
"PChip 0 C_Error", NULL);
- titan_request_irq(59+16, titan_intr_nop, IRQF_DISABLED,
+ titan_request_irq(59+16, titan_intr_nop, 0,
"PChip 1 C_Error", NULL);
/*
@@ -316,8 +303,8 @@ titan_late_init(void)
}
-static int __devinit
-titan_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int
+titan_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
u8 intline;
int irq;
@@ -343,7 +330,8 @@ titan_init_pci(void)
*/
titan_late_init();
- pci_probe_only = 1;
+ /* Indicate that we trust the console to configure things properly */
+ pci_set_flags(PCI_PROBE_ONLY);
common_init_pci();
SMC669_Init(0);
locate_and_init_vga(NULL);
@@ -360,9 +348,9 @@ privateer_init_pci(void)
* Hook a couple of extra err interrupts that the
* common titan code won't.
*/
- titan_request_irq(53+16, titan_intr_nop, IRQF_DISABLED,
+ titan_request_irq(53+16, titan_intr_nop, 0,
"NMI", NULL);
- titan_request_irq(50+16, titan_intr_nop, IRQF_DISABLED,
+ titan_request_irq(50+16, titan_intr_nop, 0,
"Temperature Warning", NULL);
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 12:17:46 +0000