4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Thomas Gleixner <t...@linutronix.de> commit b6140914fd079e43ea75a53429b47128584f033a upstream. No user and we definitely don't want to grow one. Signed-off-by: Thomas Gleixner <t...@linutronix.de> Reviewed-by: Bart Van Assche <bart.vanass...@sandisk.com> Cc: Christoph Hellwig <h...@lst.de> Cc: linux-bl...@vger.kernel.org Cc: linux-...@vger.kernel.org Cc: linux-n...@lists.infradead.org Cc: ax...@fb.com Cc: agord...@redhat.com Link: http://lkml.kernel.org/r/1467621574-8277-2-git-send-email-...@lst.de Signed-off-by: Thomas Gleixner <t...@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- include/linux/msi.h | 6 ++---- kernel/irq/msi.c | 8 ++------ 2 files changed, 4 insertions(+), 10 deletions(-) --- 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, --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -268,7 +268,7 @@ int msi_domain_alloc_irqs(struct irq_dom 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_dom 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;
