x86, irq: Kill useless parameter 'irq_attr' of IO_APIC_get_PCI_irq_vector()

None of the callers requires irq_attr to be filled
in. IO_APIC_get_PCI_irq_vector() does not do anything useful with it
either.

Remove the parameter and fixup the call sites.

[ tglx: Massaged changelog ]

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.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: Borislav Petkov <bp@alien8.de>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Ryan Desfosses <ryan@desfo.org>
Cc: Quentin Lambert <lambert.quentin@gmail.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: http://lkml.kernel.org/r/1414397531-28254-4-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 3 insertions, 10 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 1cedf410096e..447186a0eeee 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1179,8 +1179,7 @@ void mp_unmap_irq(int irq)
  * Find a specific PCI IRQ entry.
  * Not an __init, possibly needed by modules
  */
-int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin,
-                                struct io_apic_irq_attr *irq_attr)
+int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 {
         int irq, i, best_ioapic = -1, best_idx = -1;
 
@@ -1234,14 +1233,8 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin,
                 return -1;
 
 out:
-        irq = pin_2_irq(best_idx, best_ioapic, mp_irqs[best_idx].dstirq,
-                        IOAPIC_MAP_ALLOC);
-        if (irq > 0)
-                set_io_apic_irq_attr(irq_attr, best_ioapic,
-                                     mp_irqs[best_idx].dstirq,
-                                     irq_trigger(best_idx),
-                                     irq_polarity(best_idx));
-        return irq;
+        return pin_2_irq(best_idx, best_ioapic, mp_irqs[best_idx].dstirq,
+                         IOAPIC_MAP_ALLOC);
 }
 EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);