diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2022-09-29 10:19:10 -0600 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-10-04 15:41:12 +0200 |
| commit | 5ff811604f93bdd2650beed80b48c2ca16c6fba6 (patch) | |
| tree | fe12abbfddd40eed3d5909e2b06f3345f40435ee /drivers/acpi/irq.c | |
| parent | 4c99256013fa4e0fe9733ca1bab2b5684ccc02a1 (diff) | |
| download | linux-5ff811604f93bdd2650beed80b48c2ca16c6fba6.tar.bz2 | |
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.c | 8 |
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; } |