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Date: Wed, 5 Nov 2014 09:13:18 -0800
From: tip-bot for Jiang Liu <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: benh@...nel.crashing.org, bhelgaas@...gle.com,
gregkh@...uxfoundation.org, joro@...tes.org, rjw@...ysocki.net,
tony.luck@...el.com, hpa@...or.com, mingo@...nel.org,
grant.likely@...aro.org, bp@...en8.de, rdunlap@...radead.org,
prarit@...hat.com, tglx@...utronix.de, konrad.wilk@...cle.com,
yinghai@...nel.org, jiang.liu@...ux.intel.com, ryan@...fo.org,
rafael.j.wysocki@...el.com, lambert.quentin@...il.com,
linux-kernel@...r.kernel.org
Subject: [tip:x86/apic] x86, irq: Kill useless parameter 'irq_attr'
of IO_APIC_get_PCI_irq_vector()
Commit-ID: 41e72f617ed6645817731711f4fb735130815c5f
Gitweb: http://git.kernel.org/tip/41e72f617ed6645817731711f4fb735130815c5f
Author: Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Mon, 27 Oct 2014 16:11:54 +0800
Committer: Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 5 Nov 2014 18:10:46 +0100
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@...ux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Joerg Roedel <joro@...tes.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Prarit Bhargava <prarit@...hat.com>
Cc: Grant Likely <grant.likely@...aro.org>
Cc: Ryan Desfosses <ryan@...fo.org>
Cc: Quentin Lambert <lambert.quentin@...il.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Link: http://lkml.kernel.org/r/1414397531-28254-4-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
arch/x86/include/asm/hw_irq.h | 2 +-
arch/x86/kernel/apic/io_apic.c | 13 +++----------
arch/x86/pci/irq.c | 6 ++----
drivers/pci/hotplug/ibmphp_core.c | 5 +----
4 files changed, 7 insertions(+), 19 deletions(-)
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 8dbe237..b12c45c 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -162,7 +162,7 @@ static inline void send_cleanup_vector(struct irq_cfg *c) { }
struct irq_data;
int __ioapic_set_affinity(struct irq_data *, const struct cpumask *,
unsigned int *dest_id);
-extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin, struct io_apic_irq_attr *irq_attr);
+extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin);
extern void setup_ioapic_dest(void);
extern void enable_IO_APIC(void);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 1b7de4c..192ca0a 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);
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 9988458..77148ec 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -1200,14 +1200,12 @@ static int pirq_enable_irq(struct pci_dev *dev)
#ifdef CONFIG_X86_IO_APIC
struct pci_dev *temp_dev;
int irq;
- struct io_apic_irq_attr irq_attr;
if (dev->irq_managed && dev->irq > 0)
return 0;
irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
- PCI_SLOT(dev->devfn),
- pin - 1, &irq_attr);
+ PCI_SLOT(dev->devfn), pin - 1);
/*
* Busses behind bridges are typically not listed in the MP-table.
* In this case we have to look up the IRQ based on the parent bus,
@@ -1221,7 +1219,7 @@ static int pirq_enable_irq(struct pci_dev *dev)
pin = pci_swizzle_interrupt_pin(dev, pin);
irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn),
- pin - 1, &irq_attr);
+ pin - 1);
if (irq >= 0)
dev_warn(&dev->dev, "using bridge %s "
"INT %c to get IRQ %d\n",
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c
index 3efaf4c..d261e62 100644
--- a/drivers/pci/hotplug/ibmphp_core.c
+++ b/drivers/pci/hotplug/ibmphp_core.c
@@ -155,13 +155,10 @@ int ibmphp_init_devno(struct slot **cur_slot)
for (loop = 0; loop < len; loop++) {
if ((*cur_slot)->number == rtable->slots[loop].slot &&
(*cur_slot)->bus == rtable->slots[loop].bus) {
- struct io_apic_irq_attr irq_attr;
-
(*cur_slot)->device = PCI_SLOT(rtable->slots[loop].devfn);
for (i = 0; i < 4; i++)
(*cur_slot)->irq[i] = IO_APIC_get_PCI_irq_vector((int) (*cur_slot)->bus,
- (int) (*cur_slot)->device, i,
- &irq_attr);
+ (int) (*cur_slot)->device, i);
debug("(*cur_slot)->irq[0] = %x\n",
(*cur_slot)->irq[0]);
--
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