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From: Yash Shah <yash.shah@sifive.com>
To: linus.walleij@linaro.org, bgolaszewski@baylibre.com,
	robh+dt@kernel.org, mark.rutland@arm.com, palmer@dabbelt.com,
	paul.walmsley@sifive.com
Cc: aou@eecs.berkeley.edu, tglx@linutronix.de, jason@lakedaemon.net,
	maz@kernel.org, bmeng.cn@gmail.com, atish.patra@wdc.com,
	sagar.kadam@sifive.com, linux-gpio@vger.kernel.org,
	devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, sachin.ghadi@sifive.com,
	Yash Shah <yash.shah@sifive.com>
Subject: [PATCH v4 1/6] genirq: introduce irq_domain_translate_onecell
Date: Tue, 10 Dec 2019 16:41:09 +0530	[thread overview]
Message-ID: <1575976274-13487-2-git-send-email-yash.shah@sifive.com> (raw)
In-Reply-To: <1575976274-13487-1-git-send-email-yash.shah@sifive.com>

Add a new function irq_domain_translate_onecell() that is to be used as
the translate function in struct irq_domain_ops.

Signed-off-by: Yash Shah <yash.shah@sifive.com>
---
 include/linux/irqdomain.h |  5 +++++
 kernel/irq/irqdomain.c    | 17 +++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 583e7ab..cad9eb8 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -426,6 +426,11 @@ int irq_domain_translate_twocell(struct irq_domain *d,
 				 unsigned long *out_hwirq,
 				 unsigned int *out_type);
 
+int irq_domain_translate_onecell(struct irq_domain *d,
+				 struct irq_fwspec *fwspec,
+				 unsigned long *out_hwirq,
+				 unsigned int *out_type);
+
 /* IPI functions */
 int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest);
 int irq_destroy_ipi(unsigned int irq, const struct cpumask *dest);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 132672b..cf57d87d 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -987,6 +987,23 @@ const struct irq_domain_ops irq_domain_simple_ops = {
 EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
 
 /**
+ * irq_domain_translate_onecell() - Generic translate for direct one cell
+ * bindings
+ */
+int irq_domain_translate_onecell(struct irq_domain *d,
+				 struct irq_fwspec *fwspec,
+				 unsigned long *out_hwirq,
+				 unsigned int *out_type)
+{
+	if (WARN_ON(fwspec->param_count < 1))
+		return -EINVAL;
+	*out_hwirq = fwspec->param[0];
+	*out_type = IRQ_TYPE_NONE;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(irq_domain_translate_onecell);
+
+/**
  * irq_domain_translate_twocell() - Generic translate for direct two cell
  * bindings
  *
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Yash Shah <yash.shah@sifive.com>
To: linus.walleij@linaro.org, bgolaszewski@baylibre.com,
	robh+dt@kernel.org, mark.rutland@arm.com, palmer@dabbelt.com,
	paul.walmsley@sifive.com
Cc: devicetree@vger.kernel.org, aou@eecs.berkeley.edu,
	jason@lakedaemon.net, linux-gpio@vger.kernel.org, maz@kernel.org,
	linux-kernel@vger.kernel.org, atish.patra@wdc.com,
	Yash Shah <yash.shah@sifive.com>,
	sagar.kadam@sifive.com, tglx@linutronix.de, bmeng.cn@gmail.com,
	linux-riscv@lists.infradead.org, sachin.ghadi@sifive.com
Subject: [PATCH v4 1/6] genirq: introduce irq_domain_translate_onecell
Date: Tue, 10 Dec 2019 16:41:09 +0530	[thread overview]
Message-ID: <1575976274-13487-2-git-send-email-yash.shah@sifive.com> (raw)
In-Reply-To: <1575976274-13487-1-git-send-email-yash.shah@sifive.com>

Add a new function irq_domain_translate_onecell() that is to be used as
the translate function in struct irq_domain_ops.

Signed-off-by: Yash Shah <yash.shah@sifive.com>
---
 include/linux/irqdomain.h |  5 +++++
 kernel/irq/irqdomain.c    | 17 +++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 583e7ab..cad9eb8 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -426,6 +426,11 @@ int irq_domain_translate_twocell(struct irq_domain *d,
 				 unsigned long *out_hwirq,
 				 unsigned int *out_type);
 
+int irq_domain_translate_onecell(struct irq_domain *d,
+				 struct irq_fwspec *fwspec,
+				 unsigned long *out_hwirq,
+				 unsigned int *out_type);
+
 /* IPI functions */
 int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest);
 int irq_destroy_ipi(unsigned int irq, const struct cpumask *dest);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 132672b..cf57d87d 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -987,6 +987,23 @@ const struct irq_domain_ops irq_domain_simple_ops = {
 EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
 
 /**
+ * irq_domain_translate_onecell() - Generic translate for direct one cell
+ * bindings
+ */
+int irq_domain_translate_onecell(struct irq_domain *d,
+				 struct irq_fwspec *fwspec,
+				 unsigned long *out_hwirq,
+				 unsigned int *out_type)
+{
+	if (WARN_ON(fwspec->param_count < 1))
+		return -EINVAL;
+	*out_hwirq = fwspec->param[0];
+	*out_type = IRQ_TYPE_NONE;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(irq_domain_translate_onecell);
+
+/**
  * irq_domain_translate_twocell() - Generic translate for direct two cell
  * bindings
  *
-- 
2.7.4



  reply	other threads:[~2019-12-10 11:12 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 11:11 [PATCH v4 0/6] GPIO & Hierarchy IRQ support for HiFive Unleashed Yash Shah
2019-12-10 11:11 ` Yash Shah
2019-12-10 11:11 ` Yash Shah [this message]
2019-12-10 11:11   ` [PATCH v4 1/6] genirq: introduce irq_domain_translate_onecell Yash Shah
2020-01-24 19:11   ` [tip: irq/core] genirq: Introduce irq_domain_translate_onecell tip-bot2 for Yash Shah
2019-12-10 11:11 ` [PATCH v4 2/6] irqchip: nvic: Use irq_domain_translate_onecell instead of custom func Yash Shah
2019-12-10 11:11   ` Yash Shah
2020-01-24 19:11   ` [tip: irq/core] irqchip/nvic: " tip-bot2 for Yash Shah
2019-12-10 11:11 ` [PATCH v4 3/6] irqchip: sifive: Support hierarchy irq domain Yash Shah
2019-12-10 11:11   ` Yash Shah
2020-01-24 19:11   ` [tip: irq/core] irqchip/sifive-plic: Support irq domain hierarchy tip-bot2 for Yash Shah
2019-12-10 11:11 ` [PATCH v4 4/6] gpio: sifive: Add DT documentation for SiFive GPIO Yash Shah
2019-12-10 11:11   ` Yash Shah
2019-12-18 20:51   ` Rob Herring
2019-12-18 20:51     ` Rob Herring
2020-01-24 19:11   ` [tip: irq/core] gpio/sifive: " tip-bot2 for Yash Shah
2019-12-10 11:11 ` [PATCH v4 5/6] gpio: sifive: Add GPIO driver for SiFive SoCs Yash Shah
2019-12-10 11:11   ` Yash Shah
2020-01-24 19:11   ` [tip: irq/core] gpio/sifive: " tip-bot2 for Yash Shah
2019-12-10 11:11 ` [PATCH v4 6/6] riscv: dts: Add DT support for SiFive FU540 GPIO driver Yash Shah
2019-12-10 11:11   ` Yash Shah
2020-01-20  9:09 ` [PATCH v4 0/6] GPIO & Hierarchy IRQ support for HiFive Unleashed Marc Zyngier
2020-01-20  9:09   ` Marc Zyngier
2020-01-21  8:53   ` Yash Shah
2020-01-21  8:53     ` Yash Shah
2020-01-29 15:00 ` Palmer Dabbelt
2020-01-29 15:00   ` Palmer Dabbelt

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