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Message-ID: <1413342435-7876-15-git-send-email-wangyijing@huawei.com> Date: Wed, 15 Oct 2014 11:07:02 +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>, Liviu Dudau <liviu@...au.co.uk>, Yijing Wang <wangyijing@...wei.com> Subject: [PATCH v3 14/27] Irq_remapping/MSI: Use MSI chip framework to configure MSI/MSI-X irq Use MSI chip framework instead of arch MSI functions to configure MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework. Signed-off-by: Yijing Wang <wangyijing@...wei.com> --- drivers/iommu/irq_remapping.c | 11 ++++++++--- 1 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c index 33c4395..48d57e9 100644 --- a/drivers/iommu/irq_remapping.c +++ b/drivers/iommu/irq_remapping.c @@ -139,8 +139,8 @@ error: return ret; } -static int irq_remapping_setup_msi_irqs(struct pci_dev *dev, - int nvec, int type) +static int irq_remapping_setup_msi_irqs(struct msi_chip *chip, + struct pci_dev *dev, int nvec, int type) { if (type == PCI_CAP_ID_MSI) return do_setup_msi_irqs(dev, nvec); @@ -148,6 +148,11 @@ static int irq_remapping_setup_msi_irqs(struct pci_dev *dev, return do_setup_msix_irqs(dev, nvec); } +static struct msi_chip remap_msi_chip = { + .setup_irqs = irq_remapping_setup_msi_irqs, + .teardown_irq = native_teardown_msi_irq, +}; + static void eoi_ioapic_pin_remapped(int apic, int pin, int vector) { /* @@ -165,9 +170,9 @@ 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; } static __init int setup_nointremap(char *str) -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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