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authorJiang Liu <jiang.liu@linux.intel.com>2014-06-09 10:20:02 +0200
committerThomas Gleixner <tglx@linutronix.de>2014-06-21 23:05:43 +0200
commit795aacf63fee1bfe8b68fd5db4882576c5c0c570 (patch)
tree1ab6ea8dbb0fdf9dce03acac7b1cf1a41849eb31 /arch/x86
parentx86, irq, SFI: Use common irqdomain map interface to program IOAPIC pins (diff)
downloadlinux-795aacf63fee1bfe8b68fd5db4882576c5c0c570.tar.xz
linux-795aacf63fee1bfe8b68fd5db4882576c5c0c570.zip
x86, irq, devicetree: Use common irqdomain map interface to program IOAPIC pins
Refine devicetree to use common irqdomain map interface to program IOAPIC pins, so we can unify the callsite to progam IOAPIC pins. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Tony Lindgren <tony@atomide.com> Link: http://lkml.kernel.org/r/1402302011-23642-34-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/devicetree.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index ee26feca93d9..f33bb436b8f4 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -201,10 +201,8 @@ static int ioapic_xlate(struct irq_domain *domain,
const u32 *intspec, u32 intsize,
irq_hw_number_t *out_hwirq, u32 *out_type)
{
- struct io_apic_irq_attr attr;
struct of_ioapic_type *it;
- u32 line, idx;
- int rc;
+ u32 line, idx, gsi;
if (WARN_ON(intsize < 2))
return -EINVAL;
@@ -217,12 +215,9 @@ static int ioapic_xlate(struct irq_domain *domain,
it = &of_ioapic_type[intspec[1]];
idx = (u32)(long)domain->host_data;
- set_io_apic_irq_attr(&attr, idx, line, it->trigger, it->polarity);
-
- rc = io_apic_setup_irq_pin_once(irq_find_mapping(domain, line),
- cpu_to_node(0), &attr);
- if (rc)
- return rc;
+ gsi = mp_pin_to_gsi(idx, line);
+ if (mp_set_gsi_attr(gsi, it->trigger, it->polarity, cpu_to_node(0)))
+ return -EBUSY;
*out_hwirq = line;
*out_type = it->out_type;
@@ -230,6 +225,7 @@ static int ioapic_xlate(struct irq_domain *domain,
}
const struct irq_domain_ops ioapic_irq_domain_ops = {
+ .map = mp_irqdomain_map,
.xlate = ioapic_xlate,
};