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From: Lokesh Vutla <lokeshvutla@ti.com>
To: Nishanth Menon <nm@ti.com>,
	Santosh Shilimkar <ssantosh@kernel.org>,
	Rob Herring <robh+dt@kernel.org>, <tglx@linutronix.de>,
	<jason@lakedaemon.net>, <marc.zyngier@arm.com>
Cc: Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, Tero Kristo <t-kristo@ti.com>,
	Sekhar Nori <nsekhar@ti.com>,
	Device Tree Mailing List <devicetree@vger.kernel.org>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	Lokesh Vutla <lokeshvutla@ti.com>
Subject: [RFC PATCH v3 09/13] genirq/msi: Add support for .msi_unprepare callback
Date: Tue, 6 Nov 2018 14:11:01 +0530	[thread overview]
Message-ID: <20181106084105.32483-10-lokeshvutla@ti.com> (raw)
In-Reply-To: <20181106084105.32483-1-lokeshvutla@ti.com>

Add an optional callback .msi_unprepare to struct msi_domain_ops.
This is used to clear any effect that is done by .msi_prepare callback.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
Changes since v2:
- New patch

 include/linux/msi.h |  3 +++
 kernel/irq/msi.c    | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 021f789226b5..1e37aa569a3c 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -237,6 +237,8 @@ struct msi_domain_ops {
 	int		(*msi_prepare)(struct irq_domain *domain,
 				       struct device *dev, int nvec,
 				       msi_alloc_info_t *arg);
+	void		(*msi_unprepare)(struct irq_domain *domain, int nvec,
+					 void *data);
 	void		(*msi_finish)(msi_alloc_info_t *arg, int retval);
 	void		(*set_desc)(msi_alloc_info_t *arg,
 				    struct msi_desc *desc);
@@ -317,6 +319,7 @@ void platform_msi_domain_free_irqs(struct device *dev);
 /* When an MSI domain is used as an intermediate domain */
 int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
 			    int nvec, msi_alloc_info_t *args);
+void msi_domain_unprepare_irqs(struct irq_domain *domain, int nvec, void *data);
 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
 			     int virq, int nvec, msi_alloc_info_t *args);
 struct irq_domain *
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index e37238317fab..87ce5a5d0c6d 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -312,6 +312,16 @@ int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
 	return ret;
 }
 
+void msi_domain_unprepare_irqs(struct irq_domain *domain, int nvec,
+			       void *data)
+{
+	struct msi_domain_info *info = domain->host_data;
+	struct msi_domain_ops *ops = info->ops;
+
+	if (ops->msi_unprepare)
+		ops->msi_unprepare(domain, nvec, data);
+}
+
 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
 			     int virq, int nvec, msi_alloc_info_t *arg)
 {
-- 
2.19.1


WARNING: multiple messages have this Message-ID (diff)
From: Lokesh Vutla <lokeshvutla@ti.com>
To: Nishanth Menon <nm@ti.com>,
	Santosh Shilimkar <ssantosh@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com
Cc: Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>,
	linux-kernel@vger.kernel.org, Tero Kristo <t-kristo@ti.com>,
	Sekhar Nori <nsekhar@ti.com>,
	Device Tree Mailing List <devicetree@vger.kernel.org>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	Lokesh Vutla <lokeshvutla@ti.com>
Subject: [RFC PATCH v3 09/13] genirq/msi: Add support for .msi_unprepare callback
Date: Tue, 6 Nov 2018 14:11:01 +0530	[thread overview]
Message-ID: <20181106084105.32483-10-lokeshvutla@ti.com> (raw)
In-Reply-To: <20181106084105.32483-1-lokeshvutla@ti.com>

Add an optional callback .msi_unprepare to struct msi_domain_ops.
This is used to clear any effect that is done by .msi_prepare callback.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
Changes since v2:
- New patch

 include/linux/msi.h |  3 +++
 kernel/irq/msi.c    | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 021f789226b5..1e37aa569a3c 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -237,6 +237,8 @@ struct msi_domain_ops {
 	int		(*msi_prepare)(struct irq_domain *domain,
 				       struct device *dev, int nvec,
 				       msi_alloc_info_t *arg);
+	void		(*msi_unprepare)(struct irq_domain *domain, int nvec,
+					 void *data);
 	void		(*msi_finish)(msi_alloc_info_t *arg, int retval);
 	void		(*set_desc)(msi_alloc_info_t *arg,
 				    struct msi_desc *desc);
@@ -317,6 +319,7 @@ void platform_msi_domain_free_irqs(struct device *dev);
 /* When an MSI domain is used as an intermediate domain */
 int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
 			    int nvec, msi_alloc_info_t *args);
+void msi_domain_unprepare_irqs(struct irq_domain *domain, int nvec, void *data);
 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
 			     int virq, int nvec, msi_alloc_info_t *args);
 struct irq_domain *
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index e37238317fab..87ce5a5d0c6d 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -312,6 +312,16 @@ int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
 	return ret;
 }
 
+void msi_domain_unprepare_irqs(struct irq_domain *domain, int nvec,
+			       void *data)
+{
+	struct msi_domain_info *info = domain->host_data;
+	struct msi_domain_ops *ops = info->ops;
+
+	if (ops->msi_unprepare)
+		ops->msi_unprepare(domain, nvec, data);
+}
+
 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
 			     int virq, int nvec, msi_alloc_info_t *arg)
 {
-- 
2.19.1

WARNING: multiple messages have this Message-ID (diff)
From: lokeshvutla@ti.com (Lokesh Vutla)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v3 09/13] genirq/msi: Add support for .msi_unprepare callback
Date: Tue, 6 Nov 2018 14:11:01 +0530	[thread overview]
Message-ID: <20181106084105.32483-10-lokeshvutla@ti.com> (raw)
In-Reply-To: <20181106084105.32483-1-lokeshvutla@ti.com>

Add an optional callback .msi_unprepare to struct msi_domain_ops.
This is used to clear any effect that is done by .msi_prepare callback.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
Changes since v2:
- New patch

 include/linux/msi.h |  3 +++
 kernel/irq/msi.c    | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 021f789226b5..1e37aa569a3c 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -237,6 +237,8 @@ struct msi_domain_ops {
 	int		(*msi_prepare)(struct irq_domain *domain,
 				       struct device *dev, int nvec,
 				       msi_alloc_info_t *arg);
+	void		(*msi_unprepare)(struct irq_domain *domain, int nvec,
+					 void *data);
 	void		(*msi_finish)(msi_alloc_info_t *arg, int retval);
 	void		(*set_desc)(msi_alloc_info_t *arg,
 				    struct msi_desc *desc);
@@ -317,6 +319,7 @@ void platform_msi_domain_free_irqs(struct device *dev);
 /* When an MSI domain is used as an intermediate domain */
 int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
 			    int nvec, msi_alloc_info_t *args);
+void msi_domain_unprepare_irqs(struct irq_domain *domain, int nvec, void *data);
 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
 			     int virq, int nvec, msi_alloc_info_t *args);
 struct irq_domain *
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index e37238317fab..87ce5a5d0c6d 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -312,6 +312,16 @@ int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
 	return ret;
 }
 
+void msi_domain_unprepare_irqs(struct irq_domain *domain, int nvec,
+			       void *data)
+{
+	struct msi_domain_info *info = domain->host_data;
+	struct msi_domain_ops *ops = info->ops;
+
+	if (ops->msi_unprepare)
+		ops->msi_unprepare(domain, nvec, data);
+}
+
 int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
 			     int virq, int nvec, msi_alloc_info_t *arg)
 {
-- 
2.19.1

  parent reply	other threads:[~2018-11-06  8:42 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-06  8:40 [PATCH v3 00/13] Add support for TISCI irqchip drivers Lokesh Vutla
2018-11-06  8:40 ` Lokesh Vutla
2018-11-06  8:40 ` Lokesh Vutla
2018-11-06  8:40 ` [PATCH v3 01/13] firmware: ti_sci: Add support to get TISCI handle using of_phandle Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40 ` [PATCH v3 02/13] firmware: ti_sci: Add support for RM core ops Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40 ` [PATCH v3 03/13] firmware: ti_sci: Add support for IRQ management Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40 ` [PATCH v3 04/13] firmware: ti_sci: Add RM mapping table for am654 Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40 ` [PATCH v3 05/13] firmware: ti_sci: Add helper apis to manage resources Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40 ` [PATCH v3 06/13] dt-bindings: irqchip: Introduce TISCI Interrupt router bindings Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-12 18:00   ` Rob Herring
2018-11-12 18:00     ` Rob Herring
2018-11-13  6:13     ` Lokesh Vutla
2018-11-13  6:13       ` Lokesh Vutla
2018-11-13  6:13       ` Lokesh Vutla
2018-11-16  2:06       ` Lokesh Vutla
2018-11-16  2:06         ` Lokesh Vutla
2018-11-16  2:06         ` Lokesh Vutla
2018-11-06  8:40 ` [PATCH v3 07/13] irqchip: ti-sci-intr: Add support for Interrupt Router driver Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:40   ` Lokesh Vutla
2018-11-06  8:41 ` [RFC PATCH v3 08/13] genirq/msi: Add support for allocating single MSI for a device Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41 ` Lokesh Vutla [this message]
2018-11-06  8:41   ` [RFC PATCH v3 09/13] genirq/msi: Add support for .msi_unprepare callback Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41 ` [RFC PATCH v3 10/13] soc: ti: Add MSI domain support for K3 Interrupt Aggregator Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-13  7:35   ` Lokesh Vutla
2018-11-13  7:35     ` Lokesh Vutla
2018-11-13  7:35     ` Lokesh Vutla
2018-11-06  8:41 ` [RFC PATCH v3 11/13] dt-bindings: irqchip: Introduce TISCI Interrupt Aggregator bindings Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41 ` [RFC PATCH v3 12/13] irqchip: ti-sci-inta: Add support for Interrupt Aggregator driver Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41 ` [RFC PATCH v3 13/13] soc: ti: am6: Enable interrupt controller drivers Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla
2018-11-06  8:41   ` Lokesh Vutla

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