lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

powerpc/mpic: Invert the meaning of MPIC_PRIMARY

Browse Source 
It turns out that there are only 2 in-tree platforms which use MPICs
which are not "primary":  IBM Cell and PowerMac.  To reduce the
complexity of the typical board setup code, invert the MPIC_PRIMARY bit
into MPIC_SECONDARY.

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Kyle Moffett
2011-12-02 06:28:03 +00:00
committed by Benjamin Herrenschmidt
parent 996983b75c
commit be8bec56df
31 changed files with 42 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
arch/powerpc/sysdev/mpic.c
View File

@@ -154,7 +154,7 @@ static inline unsigned int mpic_processor_id(struct mpic *mpic)
{
unsigned int cpu = 0;
if (mpic->flags & MPIC_PRIMARY)
if (!(mpic->flags & MPIC_SECONDARY))
cpu = hard_smp_processor_id();
return cpu;
@@ -990,7 +990,7 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq,
#ifdef CONFIG_SMP
else if (hw >= mpic->ipi_vecs[0]) {
WARN_ON(!(mpic->flags & MPIC_PRIMARY));
WARN_ON(mpic->flags & MPIC_SECONDARY);
DBG("mpic: mapping as IPI\n");
irq_set_chip_data(virq, mpic);
@@ -1001,7 +1001,7 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq,
#endif /* CONFIG_SMP */
if (hw >= mpic->timer_vecs[0] && hw <= mpic->timer_vecs[7]) {
WARN_ON(!(mpic->flags & MPIC_PRIMARY));
WARN_ON(mpic->flags & MPIC_SECONDARY);
DBG("mpic: mapping as timer\n");
irq_set_chip_data(virq, mpic);
@@ -1184,12 +1184,12 @@ struct mpic * __init mpic_alloc(struct device_node *node,
mpic->hc_irq = mpic_irq_chip;
mpic->hc_irq.name = name;
if (flags & MPIC_PRIMARY)
if (!(flags & MPIC_SECONDARY))
mpic->hc_irq.irq_set_affinity = mpic_set_affinity;
#ifdef CONFIG_MPIC_U3_HT_IRQS
mpic->hc_ht_irq = mpic_irq_ht_chip;
mpic->hc_ht_irq.name = name;
if (flags & MPIC_PRIMARY)
if (!(flags & MPIC_SECONDARY))
mpic->hc_ht_irq.irq_set_affinity = mpic_set_affinity;
#endif /* CONFIG_MPIC_U3_HT_IRQS */
@@ -1375,7 +1375,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
mpic->next = mpics;
mpics = mpic;
if (flags & MPIC_PRIMARY) {
if (!(flags & MPIC_SECONDARY)) {
mpic_primary = mpic;
irq_set_default_host(mpic->irqhost);
}
@@ -1450,7 +1450,7 @@ void __init mpic_init(struct mpic *mpic)
/* Do the HT PIC fixups on U3 broken mpic */
DBG("MPIC flags: %x\n", mpic->flags);
if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) {
if ((mpic->flags & MPIC_U3_HT_IRQS) && !(mpic->flags & MPIC_SECONDARY)) {
mpic_scan_ht_pics(mpic);
mpic_u3msi_init(mpic);
}