From: Lokesh Vutla <lokeshvutla@ti.com>
To: Marc Zyngier <marc.zyngier@arm.com>,
Santosh Shilimkar <ssantosh@kernel.org>,
Rob Herring <robh+dt@kernel.org>, Nishanth Menon <nm@ti.com>,
<tglx@linutronix.de>, <jason@lakedaemon.net>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Device Tree Mailing List <devicetree@vger.kernel.org>,
Tony Lindgren <tony@atomide.com>,
linus.walleij@linaro.org, Sekhar Nori <nsekhar@ti.com>,
linux-kernel@vger.kernel.org, Tero Kristo <t-kristo@ti.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>
Subject: [PATCH v8 06/14] genirq: Introduce irq_chip_{request, release}_resource_parent() apis
Date: Tue, 30 Apr 2019 15:42:22 +0530 [thread overview]
Message-ID: <20190430101230.21794-7-lokeshvutla@ti.com> (raw)
In-Reply-To: <20190430101230.21794-1-lokeshvutla@ti.com>
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>
---
Changes since v7:
-None
include/linux/irq.h | 2 ++
kernel/irq/chip.c | 27 +++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7ae8de5ad0f2..fb301cf29148 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -625,6 +625,8 @@ extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on);
extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data,
void *vcpu_info);
extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type);
+extern int irq_chip_request_resources_parent(struct irq_data *data);
+extern void irq_chip_release_resources_parent(struct irq_data *data);
#endif
/* Handling of unhandled and spurious interrupts: */
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
/**
--
2.21.0
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next prev parent reply other threads:[~2019-04-30 10:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-30 10:12 [PATCH v8 00/14] Add support for TISCI Interrupt controller drivers Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 01/14] firmware: ti_sci: Add support to get TISCI handle using of_phandle Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 02/14] firmware: ti_sci: Add support for RM core ops Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 03/14] firmware: ti_sci: Add support for IRQ management Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 04/14] firmware: ti_sci: Add RM mapping table for am654 Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 05/14] firmware: ti_sci: Add helper apis to manage resources Lokesh Vutla
2019-04-30 10:12 ` Lokesh Vutla [this message]
2019-05-16 12:40 ` [PATCH v8 06/14] genirq: Introduce irq_chip_{request, release}_resource_parent() apis Linus Walleij
2019-04-30 10:12 ` [PATCH v8 07/14] gpio: thunderx: Use the default parent apis for {request, release}_resources Lokesh Vutla
2020-03-10 23:27 ` Tim Harvey
2020-03-11 4:56 ` [PATCH v8 07/14] gpio: thunderx: Use the default parent apis for {request,release}_resources Lokesh Vutla
2020-03-11 15:43 ` [PATCH v8 07/14] gpio: thunderx: Use the default parent apis for {request, release}_resources Thomas Gleixner
2020-03-11 16:09 ` Tim Harvey
2019-04-30 10:12 ` [PATCH v8 08/14] dt-bindings: irqchip: Introduce TISCI Interrupt router bindings Lokesh Vutla
2019-04-30 22:24 ` Rob Herring
2019-04-30 10:12 ` [PATCH v8 09/14] irqchip: ti-sci-intr: Add support for Interrupt Router driver Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 10/14] dt-bindings: irqchip: Introduce TISCI Interrupt Aggregator bindings Lokesh Vutla
2019-04-30 22:25 ` Rob Herring
2019-04-30 10:12 ` [PATCH v8 11/14] irqchip: ti-sci-inta: Add support for Interrupt Aggregator driver Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 12/14] soc: ti: Add MSI domain bus support for Interrupt Aggregator Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 13/14] irqchip: ti-sci-inta: Add msi domain support Lokesh Vutla
2019-04-30 10:12 ` [PATCH v8 14/14] arm64: arch_k3: Enable interrupt controller drivers Lokesh Vutla
2019-04-30 11:45 ` [PATCH v8 00/14] Add support for TISCI Interrupt " Nishanth Menon
2019-05-01 11:58 ` Marc Zyngier
2019-05-01 13:23 ` Lokesh Vutla
2019-05-01 13:45 ` Marc Zyngier
2019-05-01 14:04 ` Tony Lindgren
2019-05-01 14:31 ` Marc Zyngier
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