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-rw-r--r--kernel/irq/irqdomain.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index bf38c546aa25..8fe1da9614ee 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -147,7 +147,8 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, unsigned int s
static atomic_t unknown_domains;
if (WARN_ON((size && direct_max) ||
- (!IS_ENABLED(CONFIG_IRQ_DOMAIN_NOMAP) && direct_max)))
+ (!IS_ENABLED(CONFIG_IRQ_DOMAIN_NOMAP) && direct_max) ||
+ (direct_max && (direct_max != hwirq_max))))
return NULL;
domain = kzalloc_node(struct_size(domain, revmap, size),
@@ -219,7 +220,6 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, unsigned int s
domain->hwirq_max = hwirq_max;
if (direct_max) {
- size = direct_max;
domain->flags |= IRQ_DOMAIN_FLAG_NO_MAP;
}
@@ -650,9 +650,9 @@ unsigned int irq_create_direct_mapping(struct irq_domain *domain)
pr_debug("create_direct virq allocation failed\n");
return 0;
}
- if (virq >= domain->revmap_size) {
- pr_err("ERROR: no free irqs available below %i maximum\n",
- domain->revmap_size);
+ if (virq >= domain->hwirq_max) {
+ pr_err("ERROR: no free irqs available below %lu maximum\n",
+ domain->hwirq_max);
irq_free_desc(virq);
return 0;
}
@@ -906,10 +906,12 @@ struct irq_desc *__irq_resolve_mapping(struct irq_domain *domain,
return desc;
if (irq_domain_is_nomap(domain)) {
- if (hwirq < domain->revmap_size) {
+ if (hwirq < domain->hwirq_max) {
data = irq_domain_get_irq_data(domain, hwirq);
if (data && data->hwirq == hwirq)
desc = irq_data_to_desc(data);
+ if (irq && desc)
+ *irq = hwirq;
}
return desc;
@@ -1319,7 +1321,8 @@ EXPORT_SYMBOL_GPL(irq_domain_get_irq_data);
* @chip_data: The associated chip data
*/
int irq_domain_set_hwirq_and_chip(struct irq_domain *domain, unsigned int virq,
- irq_hw_number_t hwirq, struct irq_chip *chip,
+ irq_hw_number_t hwirq,
+ const struct irq_chip *chip,
void *chip_data)
{
struct irq_data *irq_data = irq_domain_get_irq_data(domain, virq);
@@ -1328,7 +1331,7 @@ int irq_domain_set_hwirq_and_chip(struct irq_domain *domain, unsigned int virq,
return -ENOENT;
irq_data->hwirq = hwirq;
- irq_data->chip = chip ? chip : &no_irq_chip;
+ irq_data->chip = (struct irq_chip *)(chip ? chip : &no_irq_chip);
irq_data->chip_data = chip_data;
return 0;
@@ -1347,7 +1350,7 @@ EXPORT_SYMBOL_GPL(irq_domain_set_hwirq_and_chip);
* @handler_name: The interrupt handler name
*/
void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
- irq_hw_number_t hwirq, struct irq_chip *chip,
+ irq_hw_number_t hwirq, const struct irq_chip *chip,
void *chip_data, irq_flow_handler_t handler,
void *handler_data, const char *handler_name)
{
@@ -1853,7 +1856,7 @@ EXPORT_SYMBOL_GPL(irq_domain_get_irq_data);
* @handler_name: The interrupt handler name
*/
void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
- irq_hw_number_t hwirq, struct irq_chip *chip,
+ irq_hw_number_t hwirq, const struct irq_chip *chip,
void *chip_data, irq_flow_handler_t handler,
void *handler_data, const char *handler_name)
{