On Mon, 2 Dec 2013 23:44:53 +0800, Hanjun Guo hanjun.guo@linaro.org wrote:
This API is similar to DT based irq_of_parse_and_map but does link parent/child IRQ controllers. This is tested for primary GIC PPI and GIC SPI interrupts and not for secondary child irq controllers.
Signed-off-by: Amit Daniel Kachhap amit.daniel@samsung.com Signed-off-by: Hanjun Guo hanjun.guo@linaro.org
drivers/acpi/plat/arm-core.c | 36 ++++++++++++++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/plat/arm-core.c b/drivers/acpi/plat/arm-core.c index 9cc0208..17c99e1 100644 --- a/drivers/acpi/plat/arm-core.c +++ b/drivers/acpi/plat/arm-core.c @@ -90,7 +90,7 @@ enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_GIC; static unsigned int gsi_to_irq(unsigned int gsi) {
- int irq = irq_create_mapping(NULL, gsi);
- int irq = irq_find_mapping(NULL, gsi);
I suspect this will break FDT users that depend on the old behaviour.
g.
return irq; } @@ -407,7 +407,39 @@ EXPORT_SYMBOL_GPL(acpi_gsi_to_irq); */ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity) {
- return -1;
- 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, using identity mapping for hwirq:* 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;- irq = irq_create_acpi_mapping(gsi, irq_type);
- return irq;
} EXPORT_SYMBOL_GPL(acpi_register_gsi); -- 1.7.9.5
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