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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-05-08 13:39:59 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-05-08 13:39:59 +0200
commit5e13a0c5ec05d382b488a691dfb8af015b1dea1e (patch)
tree7a06dfa1f7661f8908193f2437b32452520221d3 /arch/powerpc/sysdev/mpic.c
parentb615b57a124a4af7b68196bc2fb8acc236041fa2 (diff)
parent4f256e8aa3eda15c11c3cec3ec5336e1fc579cbd (diff)
Merge remote-tracking branch 'airlied/drm-core-next' into drm-intel-next-queued
Backmerge of drm-next to resolve a few ugly conflicts and to get a few fixes from 3.4-rc6 (which drm-next has already merged). Note that this merge also restricts the stencil cache lra evict policy workaround to snb (as it should) - I had to frob the code anyway because the CM0_MASK_SHIFT define died in the masked bit cleanups. We need the backmerge to get Paulo Zanoni's infoframe regression fix for gm45 - further bugfixes from him touch the same area and would needlessly conflict. Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
-rw-r--r--arch/powerpc/sysdev/mpic.c54
1 files changed, 34 insertions, 20 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 9ac71ebd2c4..395af134774 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],