acpi_gsi_get_irq_type could be use out of gsi purpose.
Rename and make it available as a utility function.
Signed-off-by: Christophe Ricard <christophe-h.ric...@st.com>
---
drivers/acpi/gsi.c | 21 +--------------------
drivers/acpi/utils.c | 21 +++++++++++++++++++++
include/linux/acpi.h | 2 ++
3 files changed, 24 insertions(+), 20 deletions(-)
diff --git a/drivers/acpi/gsi.c b/drivers/acpi/gsi.c
index fa4585a..2828351 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_get_irq_type(trigger, polarity);
fwspec.param_count = 2;
return irq_create_fwspec_mapping(&fwspec);
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 475c907..715b24b 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -33,6 +33,27 @@
#define _COMPONENT ACPI_BUS_COMPONENT
ACPI_MODULE_NAME("utils");
+unsigned int acpi_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;
+ }
+}
+EXPORT_SYMBOL_GPL(acpi_get_irq_type);
+
+
/* --------------------------------------------------------------------------
Object Evaluation Helpers
--------------------------------------------------------------------------
*/
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index d863e12..b0c5a11 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -204,6 +204,8 @@ int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
void acpi_set_irq_model(enum acpi_irq_model_id model,
struct fwnode_handle *fwnode);
+unsigned int acpi_get_irq_type(int trigger, int polarity);
+
#ifdef CONFIG_X86_IO_APIC
extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity);
#else
--
2.1.4
--
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