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Date: Thu, 25 Sep 2014 11:14:21 +0800
From: Yijing Wang <wangyijing@...wei.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>
CC: <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Xinwei Hu <huxinwei@...wei.com>, Wuyun <wuyun.wu@...wei.com>,
<linux-arm-kernel@...ts.infradead.org>,
Russell King <linux@....linux.org.uk>,
<linux-arch@...r.kernel.org>, <arnab.basu@...escale.com>,
<Bharat.Bhushan@...escale.com>, <x86@...nel.org>,
Arnd Bergmann <arnd@...db.de>,
Thomas Gleixner <tglx@...utronix.de>,
"Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>,
<xen-devel@...ts.xenproject.org>, Joerg Roedel <joro@...tes.org>,
<iommu@...ts.linux-foundation.org>, <linux-mips@...ux-mips.org>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
<linuxppc-dev@...ts.ozlabs.org>, <linux-s390@...r.kernel.org>,
Sebastian Ott <sebott@...ux.vnet.ibm.com>,
"Tony Luck" <tony.luck@...el.com>, <linux-ia64@...r.kernel.org>,
"David S. Miller" <davem@...emloft.net>,
<sparclinux@...r.kernel.org>, Chris Metcalf <cmetcalf@...era.com>,
Ralf Baechle <ralf@...ux-mips.org>,
Lucas Stach <l.stach@...gutronix.de>,
David Vrabel <david.vrabel@...rix.com>,
"Sergei Shtylyov" <sergei.shtylyov@...entembedded.com>,
Michael Ellerman <mpe@...erman.id.au>,
Thierry Reding <thierry.reding@...il.com>,
"Thomas Petazzoni" <thomas.petazzoni@...e-electrons.com>,
Yijing Wang <wangyijing@...wei.com>
Subject: [PATCH v2 11/22] x86/MSI: Remove unused MSI weak arch functions
Now we can clean up MSI weak arch functions in x86.
Signed-off-by: Yijing Wang <wangyijing@...wei.com>
---
arch/x86/include/asm/pci.h | 3 ---
arch/x86/include/asm/x86_init.h | 4 ----
arch/x86/kernel/apic/io_apic.c | 2 +-
arch/x86/kernel/x86_init.c | 24 ------------------------
drivers/iommu/irq_remapping.c | 1 -
5 files changed, 1 insertions(+), 33 deletions(-)
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 878a06d..34f9676 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -96,14 +96,11 @@ extern void pci_iommu_alloc(void);
#ifdef CONFIG_PCI_MSI
/* implemented in arch/x86/kernel/apic/io_apic. */
struct msi_desc;
-int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
void native_teardown_msi_irq(unsigned int irq);
-void native_restore_msi_irqs(struct pci_dev *dev);
int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc,
unsigned int irq_base, unsigned int irq_offset);
extern struct msi_chip *x86_msi_chip;
#else
-#define native_setup_msi_irqs NULL
#define native_teardown_msi_irq NULL
#endif
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index f58a9c7..2514f67 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -174,13 +174,9 @@ struct pci_dev;
struct msi_msg;
struct x86_msi_ops {
- int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type);
void (*compose_msi_msg)(struct pci_dev *dev, unsigned int irq,
unsigned int dest, struct msi_msg *msg,
u8 hpet_id);
- void (*teardown_msi_irq)(unsigned int irq);
- void (*teardown_msi_irqs)(struct pci_dev *dev);
- void (*restore_msi_irqs)(struct pci_dev *dev);
int (*setup_hpet_msi)(unsigned int irq, unsigned int id);
};
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 882b95e..f998192 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3200,7 +3200,7 @@ int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc,
return 0;
}
-int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
+static int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{
struct msi_desc *msidesc;
unsigned int irq;
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 234b072..cc32568 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -110,34 +110,10 @@ EXPORT_SYMBOL_GPL(x86_platform);
#if defined(CONFIG_PCI_MSI)
struct x86_msi_ops x86_msi = {
- .setup_msi_irqs = native_setup_msi_irqs,
.compose_msi_msg = native_compose_msi_msg,
- .teardown_msi_irq = native_teardown_msi_irq,
- .teardown_msi_irqs = default_teardown_msi_irqs,
- .restore_msi_irqs = default_restore_msi_irqs,
.setup_hpet_msi = default_setup_hpet_msi,
};
-/* MSI arch specific hooks */
-int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
-{
- return x86_msi.setup_msi_irqs(dev, nvec, type);
-}
-
-void arch_teardown_msi_irqs(struct pci_dev *dev)
-{
- x86_msi.teardown_msi_irqs(dev);
-}
-
-void arch_teardown_msi_irq(unsigned int irq)
-{
- x86_msi.teardown_msi_irq(irq);
-}
-
-void arch_restore_msi_irqs(struct pci_dev *dev)
-{
- x86_msi.restore_msi_irqs(dev);
-}
#endif
struct x86_io_apic_ops x86_io_apic_ops = {
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 7929590..99b1c0f 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -170,7 +170,6 @@ static void __init irq_remapping_modify_x86_ops(void)
x86_io_apic_ops.set_affinity = set_remapped_irq_affinity;
x86_io_apic_ops.setup_entry = setup_ioapic_remapped_entry;
x86_io_apic_ops.eoi_ioapic_pin = eoi_ioapic_pin_remapped;
- x86_msi.setup_msi_irqs = irq_remapping_setup_msi_irqs;
x86_msi.setup_hpet_msi = setup_hpet_msi_remapped;
x86_msi.compose_msi_msg = compose_remapped_msi_msg;
x86_msi_chip = &remap_msi_chip;
--
1.7.1
--
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