diff options
| author | Jiang Liu <[email protected]> | 2014-06-09 16:19:55 +0800 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2014-06-21 23:05:43 +0200 |
| commit | 74501edcd846830bec86bfa06c47c25083e70ffc (patch) | |
| tree | e5e72a82a7751fb31657acd28ddda147c99884c2 | |
| parent | ca7e28aa4ff34fdd6622d915682b2765453c5ddd (diff) | |
x86, mpparse, irq: Provide basic irqdomain support
Enhance mpparse to provide basic support of irqdomain.
Signed-off-by: Jiang Liu <[email protected]>
Cc: Konrad Rzeszutek Wilk <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Bjorn Helgaas <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Yinghai Lu <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | arch/x86/kernel/mpparse.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index ea8595e4cbd5..13c8e1f864fc 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/smp.h> #include <linux/pci.h> +#include <linux/irqdomain.h> #include <asm/mtrr.h> #include <asm/mpspec.h> @@ -112,10 +113,17 @@ static void __init MP_bus_info(struct mpc_bus *m) pr_warn("Unknown bustype %s - ignoring\n", str); } +static struct irq_domain_ops mp_ioapic_irqdomain_ops; + static void __init MP_ioapic_info(struct mpc_ioapic *m) { + struct ioapic_domain_cfg cfg = { + .type = IOAPIC_DOMAIN_LEGACY, + .ops = &mp_ioapic_irqdomain_ops, + }; + if (m->flags & MPC_APIC_USABLE) - mp_register_ioapic(m->apicid, m->apicaddr, gsi_top, NULL); + mp_register_ioapic(m->apicid, m->apicaddr, gsi_top, &cfg); } static void __init print_mp_irq_info(struct mpc_intsrc *mp_irq) |