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Commit b6140914 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq/msi: Remove unused MSI_FLAG_IDENTITY_MAP 



No user and we definitely don't want to grow one.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
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: default avatarThomas Gleixner <tglx@linutronix.de>
parent a99cde43

include/linux/msi.h

+2 −4
Original line number Diff line number Diff line
@@ -264,12 +264,10 @@ 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,

kernel/irq/msi.c

+2 −6
Original line number Diff line number Diff line
@@ -324,7 +324,7 @@ 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 = msi_domain_prepare_irqs(domain, dev, nvec, &arg);

	if (ret)
@@ -332,12 +332,8 @@ 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;