acpi_gsi_get_irq_type could be use out of gsi purpose.
Rename and make it available as a resource function.
Acked-by: Mika Westerberg <mika.westerb...@linux.intel.com>
Signed-off-by: Christophe Ricard <christophe-h.ric...@st.com>
---
drivers/acpi/gsi.c | 21 +--------------------
drivers/acpi/resource.c | 26 ++++++++++++++++++++++++++
include/linux/acpi.h | 1 +
3 files changed, 28 insertions(+), 20 deletions(-)
diff --git a/drivers/acpi/gsi.c b/drivers/acpi/gsi.c
index fa4585a..ee9e0f2 100644
--- a/drivers/acpi/gsi.c
+++ b/drivers/acpi/gsi.c
@@ -17,25 +17,6 @@ enum acpi_irq_model_id acpi_irq_model;
static struct fwnode_handle *acpi_gsi_domain_id;
-static unsigned int acpi_gsi_get_irq_type(int trigger, int polarity)
-{
- switch (polarity) {
- case ACPI_ACTIVE_LOW:
- return trigger == ACPI_EDGE_SENSITIVE ?
- IRQ_TYPE_EDGE_FALLING :
- IRQ_TYPE_LEVEL_LOW;
- case ACPI_ACTIVE_HIGH:
- return trigger == ACPI_EDGE_SENSITIVE ?
- IRQ_TYPE_EDGE_RISING :
- IRQ_TYPE_LEVEL_HIGH;
- case ACPI_ACTIVE_BOTH:
- if (trigger == ACPI_EDGE_SENSITIVE)
- return IRQ_TYPE_EDGE_BOTH;
- default:
- return IRQ_TYPE_NONE;
- }
-}
-
/**
* acpi_gsi_to_irq() - Retrieve the linux irq number for a given GSI
* @gsi: GSI IRQ number to map
@@ -82,7 +63,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int
trigger,
fwspec.fwnode = acpi_gsi_domain_id;
fwspec.param[0] = gsi;
- fwspec.param[1] = acpi_gsi_get_irq_type(trigger, polarity);
+ fwspec.param[1] = acpi_dev_get_irq_type(trigger, polarity);
fwspec.param_count = 2;
return irq_create_fwspec_mapping(&fwspec);
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index cdc5c25..d02fd53 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -23,6 +23,7 @@
#include <linux/export.h>
#include <linux/ioport.h>
#include <linux/slab.h>
+#include <linux/irq.h>
#ifdef CONFIG_X86
#define valid_IRQ(i) (((i) != 0) && ((i) != 2))
@@ -336,6 +337,31 @@ unsigned long acpi_dev_irq_flags(u8 triggering, u8
polarity, u8 shareable)
}
EXPORT_SYMBOL_GPL(acpi_dev_irq_flags);
+/**
+ * acpi_dev_get_irq_type - Determine irq type.
+ * @triggering: Triggering type as provided by ACPI.
+ * @polarity: Interrupt polarity as provided by ACPI.
+ */
+unsigned int acpi_dev_get_irq_type(int triggering, int polarity)
+{
+ switch (polarity) {
+ case ACPI_ACTIVE_LOW:
+ return triggering == ACPI_EDGE_SENSITIVE ?
+ IRQ_TYPE_EDGE_FALLING :
+ IRQ_TYPE_LEVEL_LOW;
+ case ACPI_ACTIVE_HIGH:
+ return triggering == ACPI_EDGE_SENSITIVE ?
+ IRQ_TYPE_EDGE_RISING :
+ IRQ_TYPE_LEVEL_HIGH;
+ case ACPI_ACTIVE_BOTH:
+ if (triggering == ACPI_EDGE_SENSITIVE)
+ return IRQ_TYPE_EDGE_BOTH;
+ default:
+ return IRQ_TYPE_NONE;
+ }
+}
+EXPORT_SYMBOL_GPL(acpi_dev_get_irq_type);
+
static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi)
{
res->start = gsi;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 1991aea..42adb80 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -318,6 +318,7 @@ bool acpi_dev_resource_address_space(struct acpi_resource
*ares,
bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares,
struct resource_win *win);
unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable);
+unsigned int acpi_dev_get_irq_type(int triggering, int polarity);
bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index,
struct resource *res);
--
2.1.4
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