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-rw-r--r--arch/sparc/Kconfig2
-rw-r--r--arch/sparc/kernel/irq_64.c123
-rw-r--r--arch/sparc/kernel/pci.c2
-rw-r--r--arch/sparc/kernel/pci_msi.c15
4 files changed, 42 insertions, 100 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index f766e6bf370e..14b234631f5f 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -52,6 +52,8 @@ config SPARC64
select PERF_USE_VMALLOC
select HAVE_GENERIC_HARDIRQS
select GENERIC_HARDIRQS_NO_DEPRECATED
+ select GENERIC_IRQ_SHOW
+ select IRQ_PREFLOW_FASTEOI
config ARCH_DEFCONFIG
string
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index eb16e3b8a2dd..b1d275ce3435 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -162,47 +162,14 @@ void irq_free(unsigned int irq)
/*
* /proc/interrupts printing:
*/
-
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
{
- int i = *(loff_t *) v, j;
- struct irqaction * action;
- unsigned long flags;
+ int j;
- if (i == 0) {
- seq_printf(p, " ");
- for_each_online_cpu(j)
- seq_printf(p, "CPU%d ",j);
- seq_putc(p, '\n');
- }
-
- if (i < NR_IRQS) {
- raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
- action = irq_desc[i].action;
- if (!action)
- goto skip;
- seq_printf(p, "%3d: ",i);
-#ifndef CONFIG_SMP
- seq_printf(p, "%10u ", kstat_irqs(i));
-#else
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
- seq_printf(p, " %9s", irq_desc[i].irq_data.chip->name);
- seq_printf(p, " %s", action->name);
-
- for (action=action->next; action; action = action->next)
- seq_printf(p, ", %s", action->name);
-
- seq_putc(p, '\n');
-skip:
- raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
- } else if (i == NR_IRQS) {
- seq_printf(p, "NMI: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
- seq_printf(p, " Non-maskable interrupts\n");
- }
+ seq_printf(p, "NMI: ");
+ for_each_online_cpu(j)
+ seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
+ seq_printf(p, " Non-maskable interrupts\n");
return 0;
}
@@ -344,10 +311,6 @@ static void sun4u_irq_disable(struct irq_data *data)
static void sun4u_irq_eoi(struct irq_data *data)
{
struct irq_handler_data *handler_data = data->handler_data;
- struct irq_desc *desc = irq_desc + data->irq;
-
- if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- return;
if (likely(handler_data))
upa_writeq(ICLR_IDLE, handler_data->iclr);
@@ -402,12 +365,8 @@ static void sun4v_irq_disable(struct irq_data *data)
static void sun4v_irq_eoi(struct irq_data *data)
{
unsigned int ino = irq_table[data->irq].dev_ino;
- struct irq_desc *desc = irq_desc + data->irq;
int err;
- if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- return;
-
err = sun4v_intr_setstate(ino, HV_INTR_STATE_IDLE);
if (err != HV_EOK)
printk(KERN_ERR "sun4v_intr_setstate(%x): "
@@ -481,13 +440,9 @@ static void sun4v_virq_disable(struct irq_data *data)
static void sun4v_virq_eoi(struct irq_data *data)
{
- struct irq_desc *desc = irq_desc + data->irq;
unsigned long dev_handle, dev_ino;
int err;
- if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- return;
-
dev_handle = irq_table[data->irq].dev_handle;
dev_ino = irq_table[data->irq].dev_ino;
@@ -505,6 +460,7 @@ static struct irq_chip sun4u_irq = {
.irq_disable = sun4u_irq_disable,
.irq_eoi = sun4u_irq_eoi,
.irq_set_affinity = sun4u_set_affinity,
+ .flags = IRQCHIP_EOI_IF_HANDLED,
};
static struct irq_chip sun4v_irq = {
@@ -513,6 +469,7 @@ static struct irq_chip sun4v_irq = {
.irq_disable = sun4v_irq_disable,
.irq_eoi = sun4v_irq_eoi,
.irq_set_affinity = sun4v_set_affinity,
+ .flags = IRQCHIP_EOI_IF_HANDLED,
};
static struct irq_chip sun4v_virq = {
@@ -521,30 +478,28 @@ static struct irq_chip sun4v_virq = {
.irq_disable = sun4v_virq_disable,
.irq_eoi = sun4v_virq_eoi,
.irq_set_affinity = sun4v_virt_set_affinity,
+ .flags = IRQCHIP_EOI_IF_HANDLED,
};
-static void pre_flow_handler(unsigned int irq, struct irq_desc *desc)
+static void pre_flow_handler(struct irq_data *d)
{
- struct irq_handler_data *handler_data = get_irq_data(irq);
- unsigned int ino = irq_table[irq].dev_ino;
+ struct irq_handler_data *handler_data = irq_data_get_irq_handler_data(d);
+ unsigned int ino = irq_table[d->irq].dev_ino;
handler_data->pre_handler(ino, handler_data->arg1, handler_data->arg2);
-
- handle_fasteoi_irq(irq, desc);
}
void irq_install_pre_handler(int irq,
void (*func)(unsigned int, void *, void *),
void *arg1, void *arg2)
{
- struct irq_handler_data *handler_data = get_irq_data(irq);
- struct irq_desc *desc = irq_desc + irq;
+ struct irq_handler_data *handler_data = irq_get_handler_data(irq);
handler_data->pre_handler = func;
handler_data->arg1 = arg1;
handler_data->arg2 = arg2;
- desc->handle_irq = pre_flow_handler;
+ __irq_set_preflow_handler(irq, pre_flow_handler);
}
unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
@@ -562,13 +517,11 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
if (!irq) {
irq = irq_alloc(0, ino);
bucket_set_irq(__pa(bucket), irq);
- set_irq_chip_and_handler_name(irq,
- &sun4u_irq,
- handle_fasteoi_irq,
- "IVEC");
+ irq_set_chip_and_handler_name(irq, &sun4u_irq,
+ handle_fasteoi_irq, "IVEC");
}
- handler_data = get_irq_data(irq);
+ handler_data = irq_get_handler_data(irq);
if (unlikely(handler_data))
goto out;
@@ -577,7 +530,7 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n");
prom_halt();
}
- set_irq_data(irq, handler_data);
+ irq_set_handler_data(irq, handler_data);
handler_data->imap = imap;
handler_data->iclr = iclr;
@@ -600,12 +553,11 @@ static unsigned int sun4v_build_common(unsigned long sysino,
if (!irq) {
irq = irq_alloc(0, sysino);
bucket_set_irq(__pa(bucket), irq);
- set_irq_chip_and_handler_name(irq, chip,
- handle_fasteoi_irq,
+ irq_set_chip_and_handler_name(irq, chip, handle_fasteoi_irq,
"IVEC");
}
- handler_data = get_irq_data(irq);
+ handler_data = irq_get_handler_data(irq);
if (unlikely(handler_data))
goto out;
@@ -614,7 +566,7 @@ static unsigned int sun4v_build_common(unsigned long sysino,
prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n");
prom_halt();
}
- set_irq_data(irq, handler_data);
+ irq_set_handler_data(irq, handler_data);
/* Catch accidental accesses to these things. IMAP/ICLR handling
* is done by hypervisor calls on sun4v platforms, not by direct
@@ -639,7 +591,6 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
struct irq_handler_data *handler_data;
unsigned long hv_err, cookie;
struct ino_bucket *bucket;
- struct irq_desc *desc;
unsigned int irq;
bucket = kzalloc(sizeof(struct ino_bucket), GFP_ATOMIC);
@@ -660,8 +611,7 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
irq = irq_alloc(devhandle, devino);
bucket_set_irq(__pa(bucket), irq);
- set_irq_chip_and_handler_name(irq, &sun4v_virq,
- handle_fasteoi_irq,
+ irq_set_chip_and_handler_name(irq, &sun4v_virq, handle_fasteoi_irq,
"IVEC");
handler_data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC);
@@ -672,10 +622,8 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
* especially wrt. locking, we do not let request_irq() enable
* the interrupt.
*/
- desc = irq_desc + irq;
- desc->status |= IRQ_NOAUTOEN;
-
- set_irq_data(irq, handler_data);
+ irq_set_status_flags(irq, IRQ_NOAUTOEN);
+ irq_set_handler_data(irq, handler_data);
/* Catch accidental accesses to these things. IMAP/ICLR handling
* is done by hypervisor calls on sun4v platforms, not by direct
@@ -734,7 +682,6 @@ void __irq_entry handler_irq(int pil, struct pt_regs *regs)
orig_sp = set_hardirq_stack();
while (bucket_pa) {
- struct irq_desc *desc;
unsigned long next_pa;
unsigned int irq;
@@ -742,10 +689,7 @@ void __irq_entry handler_irq(int pil, struct pt_regs *regs)
irq = bucket_get_irq(bucket_pa);
bucket_clear_chain_pa(bucket_pa);
- desc = irq_desc + irq;
-
- if (!(desc->status & IRQ_DISABLED))
- desc->handle_irq(irq, desc);
+ generic_handle_irq(irq);
bucket_pa = next_pa;
}
@@ -788,19 +732,18 @@ void fixup_irqs(void)
unsigned int irq;
for (irq = 0; irq < NR_IRQS; irq++) {
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct irq_data *data = irq_desc_get_irq_data(desc);
unsigned long flags;
- raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
- if (irq_desc[irq].action &&
- !(irq_desc[irq].status & IRQ_PER_CPU)) {
- struct irq_data *data = irq_get_irq_data(irq);
-
+ raw_spin_lock_irqsave(&desc->lock, flags);
+ if (desc->action && !irqd_is_per_cpu(data)) {
if (data->chip->irq_set_affinity)
data->chip->irq_set_affinity(data,
- data->affinity,
- false);
+ data->affinity,
+ false);
}
- raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
tick_ops->disable_irq();
@@ -1038,5 +981,5 @@ void __init init_IRQ(void)
: "i" (PSTATE_IE)
: "g1");
- irq_desc[0].action = &timer_irq_action;
+ irq_to_desc(0)->action = &timer_irq_action;
}
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 44f41e312f73..713dc91020a6 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -1012,7 +1012,7 @@ int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
void arch_teardown_msi_irq(unsigned int irq)
{
- struct msi_desc *entry = get_irq_msi(irq);
+ struct msi_desc *entry = irq_get_msi_desc(irq);
struct pci_dev *pdev = entry->dev;
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c
index 550e937720e7..30982e9ab626 100644
--- a/arch/sparc/kernel/pci_msi.c
+++ b/arch/sparc/kernel/pci_msi.c
@@ -30,13 +30,10 @@ static irqreturn_t sparc64_msiq_interrupt(int irq, void *cookie)
err = ops->dequeue_msi(pbm, msiqid, &head, &msi);
if (likely(err > 0)) {
- struct irq_desc *desc;
unsigned int irq;
irq = pbm->msi_irq_table[msi - pbm->msi_first];
- desc = irq_desc + irq;
-
- desc->handle_irq(irq, desc);
+ generic_handle_irq(irq);
}
if (unlikely(err < 0))
@@ -136,8 +133,8 @@ static int sparc64_setup_msi_irq(unsigned int *irq_p,
if (!*irq_p)
goto out_err;
- set_irq_chip_and_handler_name(*irq_p, &msi_irq,
- handle_simple_irq, "MSI");
+ irq_set_chip_and_handler_name(*irq_p, &msi_irq, handle_simple_irq,
+ "MSI");
err = alloc_msi(pbm);
if (unlikely(err < 0))
@@ -163,7 +160,7 @@ static int sparc64_setup_msi_irq(unsigned int *irq_p,
}
msg.data = msi;
- set_irq_msi(*irq_p, entry);
+ irq_set_msi_desc(*irq_p, entry);
write_msi_msg(*irq_p, &msg);
return 0;
@@ -172,7 +169,7 @@ out_msi_free:
free_msi(pbm, msi);
out_irq_free:
- set_irq_chip(*irq_p, NULL);
+ irq_set_chip(*irq_p, NULL);
irq_free(*irq_p);
*irq_p = 0;
@@ -211,7 +208,7 @@ static void sparc64_teardown_msi_irq(unsigned int irq,
free_msi(pbm, msi_num);
- set_irq_chip(irq, NULL);
+ irq_set_chip(irq, NULL);
irq_free(irq);
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-15 11:37:30 +0000