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-rw-r--r--arch/powerpc/sysdev/mpic.c54
-rw-r--r--arch/powerpc/sysdev/mpic_msgr.c12
-rw-r--r--arch/powerpc/sysdev/scom.c1
3 files changed, 41 insertions, 26 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 9ac71ebd2c40..395af1347749 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -604,18 +604,14 @@ static struct mpic *mpic_find(unsigned int irq)
}
/* Determine if the linux irq is an IPI */
-static unsigned int mpic_is_ipi(struct mpic *mpic, unsigned int irq)
+static unsigned int mpic_is_ipi(struct mpic *mpic, unsigned int src)
{
- unsigned int src = virq_to_hw(irq);
-
return (src >= mpic->ipi_vecs[0] && src <= mpic->ipi_vecs[3]);
}
/* Determine if the linux irq is a timer */
-static unsigned int mpic_is_tm(struct mpic *mpic, unsigned int irq)
+static unsigned int mpic_is_tm(struct mpic *mpic, unsigned int src)
{
- unsigned int src = virq_to_hw(irq);
-
return (src >= mpic->timer_vecs[0] && src <= mpic->timer_vecs[7]);
}
@@ -876,21 +872,45 @@ int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type)
if (src >= mpic->num_sources)
return -EINVAL;
+ vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
+
+ /* We don't support "none" type */
if (flow_type == IRQ_TYPE_NONE)
- if (mpic->senses && src < mpic->senses_count)
- flow_type = mpic->senses[src];
- if (flow_type == IRQ_TYPE_NONE)
- flow_type = IRQ_TYPE_LEVEL_LOW;
+ flow_type = IRQ_TYPE_DEFAULT;
+
+ /* Default: read HW settings */
+ if (flow_type == IRQ_TYPE_DEFAULT) {
+ switch(vold & (MPIC_INFO(VECPRI_POLARITY_MASK) |
+ MPIC_INFO(VECPRI_SENSE_MASK))) {
+ case MPIC_INFO(VECPRI_SENSE_EDGE) |
+ MPIC_INFO(VECPRI_POLARITY_POSITIVE):
+ flow_type = IRQ_TYPE_EDGE_RISING;
+ break;
+ case MPIC_INFO(VECPRI_SENSE_EDGE) |
+ MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
+ flow_type = IRQ_TYPE_EDGE_FALLING;
+ break;
+ case MPIC_INFO(VECPRI_SENSE_LEVEL) |
+ MPIC_INFO(VECPRI_POLARITY_POSITIVE):
+ flow_type = IRQ_TYPE_LEVEL_HIGH;
+ break;
+ case MPIC_INFO(VECPRI_SENSE_LEVEL) |
+ MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
+ flow_type = IRQ_TYPE_LEVEL_LOW;
+ break;
+ }
+ }
+ /* Apply to irq desc */
irqd_set_trigger_type(d, flow_type);
+ /* Apply to HW */
if (mpic_is_ht_interrupt(mpic, src))
vecpri = MPIC_VECPRI_POLARITY_POSITIVE |
MPIC_VECPRI_SENSE_EDGE;
else
vecpri = mpic_type_to_vecpri(mpic, flow_type);
- vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
vnew = vold & ~(MPIC_INFO(VECPRI_POLARITY_MASK) |
MPIC_INFO(VECPRI_SENSE_MASK));
vnew |= vecpri;
@@ -1026,7 +1046,7 @@ static int mpic_host_map(struct irq_domain *h, unsigned int virq,
irq_set_chip_and_handler(virq, chip, handle_fasteoi_irq);
/* Set default irq type */
- irq_set_irq_type(virq, IRQ_TYPE_NONE);
+ irq_set_irq_type(virq, IRQ_TYPE_DEFAULT);
/* If the MPIC was reset, then all vectors have already been
* initialized. Otherwise, a per source lazy initialization
@@ -1417,12 +1437,6 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
mpic->num_sources = isu_first + mpic->isu_size;
}
-void __init mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count)
-{
- mpic->senses = senses;
- mpic->senses_count = count;
-}
-
void __init mpic_init(struct mpic *mpic)
{
int i, cpu;
@@ -1555,12 +1569,12 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
return;
raw_spin_lock_irqsave(&mpic_lock, flags);
- if (mpic_is_ipi(mpic, irq)) {
+ if (mpic_is_ipi(mpic, src)) {
reg = mpic_ipi_read(src - mpic->ipi_vecs[0]) &
~MPIC_VECPRI_PRIORITY_MASK;
mpic_ipi_write(src - mpic->ipi_vecs[0],
reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
- } else if (mpic_is_tm(mpic, irq)) {
+ } else if (mpic_is_tm(mpic, src)) {
reg = mpic_tm_read(src - mpic->timer_vecs[0]) &
~MPIC_VECPRI_PRIORITY_MASK;
mpic_tm_write(src - mpic->timer_vecs[0],
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index 6e7fa386e76a..483d8fa72e8b 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -27,6 +27,7 @@
static struct mpic_msgr **mpic_msgrs;
static unsigned int mpic_msgr_count;
+static DEFINE_RAW_SPINLOCK(msgrs_lock);
static inline void _mpic_msgr_mer_write(struct mpic_msgr *msgr, u32 value)
{
@@ -56,12 +57,11 @@ struct mpic_msgr *mpic_msgr_get(unsigned int reg_num)
if (reg_num >= mpic_msgr_count)
return ERR_PTR(-ENODEV);
- raw_spin_lock_irqsave(&msgr->lock, flags);
- if (mpic_msgrs[reg_num]->in_use == MSGR_FREE) {
- msgr = mpic_msgrs[reg_num];
+ raw_spin_lock_irqsave(&msgrs_lock, flags);
+ msgr = mpic_msgrs[reg_num];
+ if (msgr->in_use == MSGR_FREE)
msgr->in_use = MSGR_INUSE;
- }
- raw_spin_unlock_irqrestore(&msgr->lock, flags);
+ raw_spin_unlock_irqrestore(&msgrs_lock, flags);
return msgr;
}
@@ -228,7 +228,7 @@ static __devinit int mpic_msgr_probe(struct platform_device *dev)
reg_number = block_number * MPIC_MSGR_REGISTERS_PER_BLOCK + i;
msgr->base = msgr_block_addr + i * MPIC_MSGR_STRIDE;
- msgr->mer = msgr->base + MPIC_MSGR_MER_OFFSET;
+ msgr->mer = (u32 *)((u8 *)msgr->base + MPIC_MSGR_MER_OFFSET);
msgr->in_use = MSGR_FREE;
msgr->num = i;
raw_spin_lock_init(&msgr->lock);
diff --git a/arch/powerpc/sysdev/scom.c b/arch/powerpc/sysdev/scom.c
index 49a3ece1c6b3..702256a1ca11 100644
--- a/arch/powerpc/sysdev/scom.c
+++ b/arch/powerpc/sysdev/scom.c
@@ -22,6 +22,7 @@
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include <asm/debug.h>
#include <asm/prom.h>
#include <asm/scom.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 17:27:10 +0000