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-rw-r--r--kernel/irq/debugfs.c10
-rw-r--r--kernel/irq/internals.h10
-rw-r--r--kernel/irq/irqdomain.c17
3 files changed, 27 insertions, 10 deletions
diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c
index aae0402507ed..c6ffb97966be 100644
--- a/kernel/irq/debugfs.c
+++ b/kernel/irq/debugfs.c
@@ -9,14 +9,8 @@
static struct dentry *irq_dir;
-struct irq_bit_descr {
- unsigned int mask;
- char *name;
-};
-#define BIT_MASK_DESCR(m) { .mask = m, .name = #m }
-
-static void irq_debug_show_bits(struct seq_file *m, int ind, unsigned int state,
- const struct irq_bit_descr *sd, int size)
+void irq_debug_show_bits(struct seq_file *m, int ind, unsigned int state,
+ const struct irq_bit_descr *sd, int size)
{
int i;
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index ed28059e9849..fe0272cd84a5 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -501,6 +501,16 @@ static inline struct irq_data *irqd_get_parent_data(struct irq_data *irqd)
#ifdef CONFIG_GENERIC_IRQ_DEBUGFS
#include <linux/debugfs.h>
+struct irq_bit_descr {
+ unsigned int mask;
+ char *name;
+};
+
+#define BIT_MASK_DESCR(m) { .mask = m, .name = #m }
+
+void irq_debug_show_bits(struct seq_file *m, int ind, unsigned int state,
+ const struct irq_bit_descr *sd, int size);
+
void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *desc);
static inline void irq_remove_debugfs_entry(struct irq_desc *desc)
{
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index aadc8891cc16..d937231a0865 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1932,13 +1932,26 @@ static void irq_domain_free_one_irq(struct irq_domain *domain, unsigned int virq
static struct dentry *domain_dir;
-static void
-irq_domain_debug_show_one(struct seq_file *m, struct irq_domain *d, int ind)
+static const struct irq_bit_descr irqdomain_flags[] = {
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_HIERARCHY),
+ BIT_MASK_DESCR(IRQ_DOMAIN_NAME_ALLOCATED),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_IPI_PER_CPU),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_IPI_SINGLE),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_MSI),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_ISOLATED_MSI),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_NO_MAP),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_MSI_PARENT),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_MSI_DEVICE),
+ BIT_MASK_DESCR(IRQ_DOMAIN_FLAG_NONCORE),
+};
+
+static void irq_domain_debug_show_one(struct seq_file *m, struct irq_domain *d, int ind)
{
seq_printf(m, "%*sname: %s\n", ind, "", d->name);
seq_printf(m, "%*ssize: %u\n", ind + 1, "", d->revmap_size);
seq_printf(m, "%*smapped: %u\n", ind + 1, "", d->mapcount);
seq_printf(m, "%*sflags: 0x%08x\n", ind +1 , "", d->flags);
+ irq_debug_show_bits(m, ind, d->flags, irqdomain_flags, ARRAY_SIZE(irqdomain_flags));
if (d->ops && d->ops->debug_show)
d->ops->debug_show(m, d, NULL, ind + 1);
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY