From c32928c579d88acd43981b59e86900da65f40762 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Mon, 3 Jul 2006 00:24:10 -0700 Subject: [PATCH] PNPACPI: support shareable interrupts ACPI supplies a "shareable" indication, but PNPACPI ignores it. If a PNP device uses a shared interrupt, request_irq() fails because the PNP driver can't tell whether to supply SA_SHIRQ. This patch allows PNP drivers to test (pnp_irq_flags(dev, 0) & IORESOURCE_IRQ_SHAREABLE) Signed-off-by: Bjorn Helgaas Cc: Adam Belay Cc: Matthieu Castet Cc: Li Shaohua Cc: Len Brown Cc: Russell King Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/pnp/pnpacpi/rsparser.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'drivers') diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 3a4a644c2686..212268881857 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -74,7 +74,7 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity) static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, u32 gsi, - int triggering, int polarity) + int triggering, int polarity, int shareable) { int i = 0; int irq; @@ -95,6 +95,9 @@ pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res, u32 gsi, return; } + if (shareable) + res->irq_resource[i].flags |= IORESOURCE_IRQ_SHAREABLE; + res->irq_resource[i].start = irq; res->irq_resource[i].end = irq; pcibios_penalize_isa_irq(irq, 1); @@ -194,7 +197,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, pnpacpi_parse_allocated_irqresource(res_table, res->data.irq.interrupts[i], res->data.irq.triggering, - res->data.irq.polarity); + res->data.irq.polarity, + res->data.irq.sharable); } break; @@ -255,7 +259,8 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, pnpacpi_parse_allocated_irqresource(res_table, res->data.extended_irq.interrupts[i], res->data.extended_irq.triggering, - res->data.extended_irq.polarity); + res->data.extended_irq.polarity, + res->data.extended_irq.sharable); } break; -- cgit v1.2.3-59-g8ed1b