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-rw-r--r--arch/sparc/Kconfig1
-rw-r--r--arch/sparc/kernel/irq_64.c32
2 files changed, 9 insertions, 24 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index f766e6b..9efd30f 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -52,6 +52,7 @@ config SPARC64
select PERF_USE_VMALLOC
select HAVE_GENERIC_HARDIRQS
select GENERIC_HARDIRQS_NO_DEPRECATED
+ 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 eb16e3b..3c8b266 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -344,10 +344,6 @@ 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 +398,8 @@ 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 +473,9 @@ 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 +493,7 @@ 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 +502,7 @@ 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 = {
@@ -521,16 +511,15 @@ 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,
@@ -538,13 +527,12 @@ void irq_install_pre_handler(int irq,
void *arg1, void *arg2)
{
struct irq_handler_data *handler_data = get_irq_data(irq);
- struct irq_desc *desc = irq_desc + 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)
@@ -734,7 +722,6 @@ 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 +729,7 @@ 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;
}