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authorRaul E Rangel <rrangel@chromium.org>2022-09-29 10:19:10 -0600
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-10-04 15:41:12 +0200
commit5ff811604f93bdd2650beed80b48c2ca16c6fba6 (patch)
treefe12abbfddd40eed3d5909e2b06f3345f40435ee /drivers/acpi/irq.c
parent4c99256013fa4e0fe9733ca1bab2b5684ccc02a1 (diff)
ACPI: resources: Add wake_capable parameter to acpi_dev_irq_flags
ACPI IRQ/Interrupt resources contain a bit that describes if the interrupt should wake the system. This change exposes that bit via a new IORESOURCE_IRQ_WAKECAPABLE flag. Drivers should check this flag before arming an IRQ to wake the system. Signed-off-by: Raul E Rangel <rrangel@chromium.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/irq.c')
-rw-r--r--drivers/acpi/irq.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index dabe45eba055..4bb5ab33a5ce 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -147,6 +147,7 @@ struct acpi_irq_parse_one_ctx {
* @polarity: polarity attributes of hwirq
* @polarity: polarity attributes of hwirq
* @shareable: shareable attributes of hwirq
+ * @wake_capable: wake capable attribute of hwirq
* @ctx: acpi_irq_parse_one_ctx updated by this function
*
* Description:
@@ -156,12 +157,13 @@ struct acpi_irq_parse_one_ctx {
static inline void acpi_irq_parse_one_match(struct fwnode_handle *fwnode,
u32 hwirq, u8 triggering,
u8 polarity, u8 shareable,
+ u8 wake_capable,
struct acpi_irq_parse_one_ctx *ctx)
{
if (!fwnode)
return;
ctx->rc = 0;
- *ctx->res_flags = acpi_dev_irq_flags(triggering, polarity, shareable);
+ *ctx->res_flags = acpi_dev_irq_flags(triggering, polarity, shareable, wake_capable);
ctx->fwspec->fwnode = fwnode;
ctx->fwspec->param[0] = hwirq;
ctx->fwspec->param[1] = acpi_dev_get_irq_type(triggering, polarity);
@@ -204,7 +206,7 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
fwnode = acpi_get_gsi_domain_id(irq->interrupts[ctx->index]);
acpi_irq_parse_one_match(fwnode, irq->interrupts[ctx->index],
irq->triggering, irq->polarity,
- irq->shareable, ctx);
+ irq->shareable, irq->wake_capable, ctx);
return AE_CTRL_TERMINATE;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
eirq = &ares->data.extended_irq;
@@ -218,7 +220,7 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
eirq->interrupts[ctx->index]);
acpi_irq_parse_one_match(fwnode, eirq->interrupts[ctx->index],
eirq->triggering, eirq->polarity,
- eirq->shareable, ctx);
+ eirq->shareable, eirq->wake_capable, ctx);
return AE_CTRL_TERMINATE;
}