diff mbox series

[v4,2/5] resource: Add irqresource_disabled()

Message ID 1606757759-6076-3-git-send-email-john.garry@huawei.com
State Superseded
Headers show
Series Support managed interrupts for platform devices | expand

Commit Message

John Garry Nov. 30, 2020, 5:35 p.m. UTC
Add a common function to set the fields for a irq resource to disabled,
which mimics what is done in acpi_dev_irqresource_disabled(), with a view
to replace that function.

Signed-off-by: John Garry <john.garry@huawei.com>

---
 include/linux/ioport.h | 7 +++++++
 1 file changed, 7 insertions(+)

-- 
2.26.2

Comments

Rafael J. Wysocki Dec. 1, 2020, 7:02 p.m. UTC | #1
On Mon, Nov 30, 2020 at 6:41 PM John Garry <john.garry@huawei.com> wrote:
>

> Add a common function to set the fields for a irq resource to disabled,

> which mimics what is done in acpi_dev_irqresource_disabled(), with a view

> to replace that function.

>

> Signed-off-by: John Garry <john.garry@huawei.com>


Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>


> ---

>  include/linux/ioport.h | 7 +++++++

>  1 file changed, 7 insertions(+)

>

> diff --git a/include/linux/ioport.h b/include/linux/ioport.h

> index 5135d4b86cd6..f9bf374f9633 100644

> --- a/include/linux/ioport.h

> +++ b/include/linux/ioport.h

> @@ -307,6 +307,13 @@ struct resource *devm_request_free_mem_region(struct device *dev,

>  struct resource *request_free_mem_region(struct resource *base,

>                 unsigned long size, const char *name);

>

> +static inline void irqresource_disabled(struct resource *res, u32 irq)

> +{

> +       res->start = irq;

> +       res->end = irq;

> +       res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET;

> +}

> +

>  #ifdef CONFIG_IO_STRICT_DEVMEM

>  void revoke_devmem(struct resource *res);

>  #else

> --

> 2.26.2

>
diff mbox series

Patch

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 5135d4b86cd6..f9bf374f9633 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -307,6 +307,13 @@  struct resource *devm_request_free_mem_region(struct device *dev,
 struct resource *request_free_mem_region(struct resource *base,
 		unsigned long size, const char *name);
 
+static inline void irqresource_disabled(struct resource *res, u32 irq)
+{
+	res->start = irq;
+	res->end = irq;
+	res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET;
+}
+
 #ifdef CONFIG_IO_STRICT_DEVMEM
 void revoke_devmem(struct resource *res);
 #else