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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2019-04-30 12:12:22 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-05-01 11:41:38 +0200 |
| commit | 2bd1298ac17777525a41c8425521f569e412df14 (patch) | |
| tree | 2832b52714d607dcd4524d0d1b7dc5e2cf49a030 /kernel/irq/chip.c | |
| parent | firmware: ti_sci: Add helper apis to manage resources (diff) | |
| download | linux-2bd1298ac17777525a41c8425521f569e412df14.tar.xz linux-2bd1298ac17777525a41c8425521f569e412df14.zip | |
genirq: Introduce irq_chip_{request,release}_resource_parent() apis
Introduce irq_chip_{request,release}_resource_parent() apis so
that these can be used in hierarchical irqchips.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to '')
| -rw-r--r-- | kernel/irq/chip.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 51128bea3846..29d6c7d070b4 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -1459,6 +1459,33 @@ int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on) return -ENOSYS; } EXPORT_SYMBOL_GPL(irq_chip_set_wake_parent); + +/** + * irq_chip_request_resources_parent - Request resources on the parent interrupt + * @data: Pointer to interrupt specific data + */ +int irq_chip_request_resources_parent(struct irq_data *data) +{ + data = data->parent_data; + + if (data->chip->irq_request_resources) + return data->chip->irq_request_resources(data); + + return -ENOSYS; +} +EXPORT_SYMBOL_GPL(irq_chip_request_resources_parent); + +/** + * irq_chip_release_resources_parent - Release resources on the parent interrupt + * @data: Pointer to interrupt specific data + */ +void irq_chip_release_resources_parent(struct irq_data *data) +{ + data = data->parent_data; + if (data->chip->irq_release_resources) + data->chip->irq_release_resources(data); +} +EXPORT_SYMBOL_GPL(irq_chip_release_resources_parent); #endif /** |