From: Thomas Gleixner Date: Mon, 4 Jul 2016 08:39:22 +0000 (+0900) Subject: genirq/msi: Remove unused MSI_FLAG_IDENTITY_MAP X-Git-Tag: firefly_0821_release~176^2~4^2~31^2~280 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fd59f98be0a7dcc668006e2d7efbf637c67f15fc;p=firefly-linux-kernel-4.4.55.git genirq/msi: Remove unused MSI_FLAG_IDENTITY_MAP commit b6140914fd079e43ea75a53429b47128584f033a upstream. No user and we definitely don't want to grow one. Signed-off-by: Thomas Gleixner Reviewed-by: Bart Van Assche Cc: Christoph Hellwig Cc: linux-block@vger.kernel.org Cc: linux-pci@vger.kernel.org Cc: linux-nvme@lists.infradead.org Cc: axboe@fb.com Cc: agordeev@redhat.com Link: http://lkml.kernel.org/r/1467621574-8277-2-git-send-email-hch@lst.de Signed-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman --- diff --git a/include/linux/msi.h b/include/linux/msi.h index f71a25e5fd25..546c3d3faffb 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -254,12 +254,10 @@ enum { * callbacks. */ MSI_FLAG_USE_DEF_CHIP_OPS = (1 << 1), - /* Build identity map between hwirq and irq */ - MSI_FLAG_IDENTITY_MAP = (1 << 2), /* Support multiple PCI MSI interrupts */ - MSI_FLAG_MULTI_PCI_MSI = (1 << 3), + MSI_FLAG_MULTI_PCI_MSI = (1 << 2), /* Support PCI MSIX interrupts */ - MSI_FLAG_PCI_MSIX = (1 << 4), + MSI_FLAG_PCI_MSIX = (1 << 3), }; int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask, diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 6b0c0b74a2a1..128c1e4e0e28 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -268,7 +268,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, struct msi_domain_ops *ops = info->ops; msi_alloc_info_t arg; struct msi_desc *desc; - int i, ret, virq = -1; + int i, ret, virq; ret = ops->msi_check(domain, info, dev); if (ret == 0) @@ -278,12 +278,8 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, for_each_msi_entry(desc, dev) { ops->set_desc(&arg, desc); - if (info->flags & MSI_FLAG_IDENTITY_MAP) - virq = (int)ops->get_hwirq(info, &arg); - else - virq = -1; - virq = __irq_domain_alloc_irqs(domain, virq, desc->nvec_used, + virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used, dev_to_node(dev), &arg, false); if (virq < 0) { ret = -ENOSPC;