diff options
Diffstat (limited to 'arch/arm64/kernel/acpi.c')
-rw-r--r-- | arch/arm64/kernel/acpi.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c index fe9d8f0df4a3..a70f7141c0f6 100644 --- a/arch/arm64/kernel/acpi.c +++ b/arch/arm64/kernel/acpi.c @@ -76,12 +76,6 @@ static int __init dt_scan_depth1_nodes(unsigned long node, } /* - * Since we're on ARM, the default interrupt routing model - * clearly has to be GIC. - */ -enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_GIC; - -/* * __acpi_map_table() will be called before page_init(), so early_ioremap() * or early_memremap() should be called here to for ACPI table mapping. */ @@ -224,73 +218,6 @@ void __init acpi_init_cpus(void) pr_info("%d CPUs enabled, %d CPUs total\n", enabled_cpus, total_cpus); } -int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) -{ - *irq = irq_find_mapping(NULL, gsi); - - return 0; -} -EXPORT_SYMBOL_GPL(acpi_gsi_to_irq); - -/* - * success: return IRQ number (>0) - * failure: return =< 0 - */ -int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) -{ - unsigned int irq; - unsigned int irq_type; - - /* - * ACPI have no bindings to indicate SPI or PPI, so we - * use different mappings from DT in ACPI. - * - * For FDT - * PPI interrupt: in the range [0, 15]; - * SPI interrupt: in the range [0, 987]; - * - * For ACPI, GSI should be unique so using - * the hwirq directly for the mapping: - * PPI interrupt: in the range [16, 31]; - * SPI interrupt: in the range [32, 1019]; - */ - - if (trigger == ACPI_EDGE_SENSITIVE && - polarity == ACPI_ACTIVE_LOW) - irq_type = IRQ_TYPE_EDGE_FALLING; - else if (trigger == ACPI_EDGE_SENSITIVE && - polarity == ACPI_ACTIVE_HIGH) - irq_type = IRQ_TYPE_EDGE_RISING; - else if (trigger == ACPI_LEVEL_SENSITIVE && - polarity == ACPI_ACTIVE_LOW) - irq_type = IRQ_TYPE_LEVEL_LOW; - else if (trigger == ACPI_LEVEL_SENSITIVE && - polarity == ACPI_ACTIVE_HIGH) - irq_type = IRQ_TYPE_LEVEL_HIGH; - else - irq_type = IRQ_TYPE_NONE; - - /* - * Since only one GIC is supported in ACPI 5.0, we can - * create mapping refer to the default domain - */ - irq = irq_create_mapping(NULL, gsi); - if (!irq) - return irq; - - /* Set irq type if specified and different than the current one */ - if (irq_type != IRQ_TYPE_NONE && - irq_type != irq_get_trigger_type(irq)) - irq_set_irq_type(irq, irq_type); - return irq; -} -EXPORT_SYMBOL_GPL(acpi_register_gsi); - -void acpi_unregister_gsi(u32 gsi) -{ -} -EXPORT_SYMBOL_GPL(acpi_unregister_gsi); - static int __init acpi_parse_fadt(struct acpi_table_header *table) { struct acpi_table_fadt *fadt = (struct acpi_table_fadt *)table; |