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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2022-02-07 17:01:37 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2022-02-07 17:03:24 +0100
commit542898c5aa5c6a3179dffb1d1606884a63f75fed (patch)
treeba096d8eab6a4230782333a036b5de578456eec0 /include/linux/interrupt.h
parentccbeca4ca04302d129602093c8d611065e3f7958 (diff)
parent53dbee4926d3706ca9e03f3928fa85b5ec3bc0cc (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
First backmerge into drm-misc-next. Required for more helpers backmerged, and to pull in 5.17 (rc2). Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'include/linux/interrupt.h')
-rw-r--r--include/linux/interrupt.h53
1 files changed, 52 insertions, 1 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 1f22a30c0963..9367f1cb2e3c 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -329,7 +329,46 @@ extern int irq_force_affinity(unsigned int irq, const struct cpumask *cpumask);
extern int irq_can_set_affinity(unsigned int irq);
extern int irq_select_affinity(unsigned int irq);
-extern int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m);
+extern int __irq_apply_affinity_hint(unsigned int irq, const struct cpumask *m,
+ bool setaffinity);
+
+/**
+ * irq_update_affinity_hint - Update the affinity hint
+ * @irq: Interrupt to update
+ * @m: cpumask pointer (NULL to clear the hint)
+ *
+ * Updates the affinity hint, but does not change the affinity of the interrupt.
+ */
+static inline int
+irq_update_affinity_hint(unsigned int irq, const struct cpumask *m)
+{
+ return __irq_apply_affinity_hint(irq, m, false);
+}
+
+/**
+ * irq_set_affinity_and_hint - Update the affinity hint and apply the provided
+ * cpumask to the interrupt
+ * @irq: Interrupt to update
+ * @m: cpumask pointer (NULL to clear the hint)
+ *
+ * Updates the affinity hint and if @m is not NULL it applies it as the
+ * affinity of that interrupt.
+ */
+static inline int
+irq_set_affinity_and_hint(unsigned int irq, const struct cpumask *m)
+{
+ return __irq_apply_affinity_hint(irq, m, true);
+}
+
+/*
+ * Deprecated. Use irq_update_affinity_hint() or irq_set_affinity_and_hint()
+ * instead.
+ */
+static inline int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m)
+{
+ return irq_set_affinity_and_hint(irq, m);
+}
+
extern int irq_update_affinity_desc(unsigned int irq,
struct irq_affinity_desc *affinity);
@@ -361,6 +400,18 @@ static inline int irq_can_set_affinity(unsigned int irq)
static inline int irq_select_affinity(unsigned int irq) { return 0; }
+static inline int irq_update_affinity_hint(unsigned int irq,
+ const struct cpumask *m)
+{
+ return -EINVAL;
+}
+
+static inline int irq_set_affinity_and_hint(unsigned int irq,
+ const struct cpumask *m)
+{
+ return -EINVAL;
+}
+
static inline int irq_set_affinity_hint(unsigned int irq,
const struct cpumask *m)
{