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authorHelge Deller <deller@gmx.de>2022-03-27 16:41:06 +0300
committerHelge Deller <deller@gmx.de>2022-03-29 22:37:12 +0300
commitac2dd327944548fe732b3f7173b983791bde42a4 (patch)
tree6203eba9d41835e140a7430231a964931a640f04 /arch/parisc
parent939fc856676c266c3bc347c1c1661872a3725c0f (diff)
downloadlinux-ac2dd327944548fe732b3f7173b983791bde42a4.tar.xz
parisc: Clean up cpu_check_affinity() and drop cpu_set_affinity_irq()
The cpu_set_affinity_irq() isn't needed. Not the CPU irqs need to change, but the slave irq chips simply need to be reprogrammed to a new CPU irq with the txn_* functions. Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/irq.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index eb18e16362f6..928ce9dbc738 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -105,28 +105,12 @@ int cpu_check_affinity(struct irq_data *d, const struct cpumask *dest)
if (irqd_is_per_cpu(d))
return -EINVAL;
- /* whatever mask they set, we just allow one CPU */
- cpu_dest = cpumask_next_and(d->irq & (num_online_cpus()-1),
- dest, cpu_online_mask);
+ cpu_dest = cpumask_first_and(dest, cpu_online_mask);
if (cpu_dest >= nr_cpu_ids)
- cpu_dest = cpumask_first_and(dest, cpu_online_mask);
+ cpu_dest = cpumask_first(cpu_online_mask);
return cpu_dest;
}
-
-static int cpu_set_affinity_irq(struct irq_data *d, const struct cpumask *dest,
- bool force)
-{
- int cpu_dest;
-
- cpu_dest = cpu_check_affinity(d, dest);
- if (cpu_dest < 0)
- return -1;
-
- cpumask_copy(irq_data_get_affinity_mask(d), dest);
-
- return 0;
-}
#endif
static struct irq_chip cpu_interrupt_type = {
@@ -135,9 +119,6 @@ static struct irq_chip cpu_interrupt_type = {
.irq_unmask = cpu_unmask_irq,
.irq_ack = cpu_ack_irq,
.irq_eoi = cpu_eoi_irq,
-#ifdef CONFIG_SMP
- .irq_set_affinity = cpu_set_affinity_irq,
-#endif
/* XXX: Needs to be written. We managed without it so far, but
* we really ought to write it.
*/