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Groups > linux.kernel > #1672823

[tip:irq/core] iommu/amd: Use named irq domain interface

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Commit-ID:  3e49a8182277ea57736285aede5f43bfa6aa11b1
Gitweb:     http://git.kernel.org/tip/3e49a8182277ea57736285aede5f43bfa6aa11b1
Author:     Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 20 Jun 2017 01:37:12 +0200
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 22 Jun 2017 18:21:11 +0200

iommu/amd: Use named irq domain interface

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Joerg Roedel <joro@8bytes.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: iommu@lists.linux-foundation.org
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170619235444.142270582@linutronix.de

---
 drivers/iommu/amd_iommu.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 590e1e8..503849d 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -4395,13 +4395,20 @@ static struct irq_chip amd_ir_chip = {
 
 int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
 {
-	iommu->ir_domain = irq_domain_add_tree(NULL, &amd_ir_domain_ops, iommu);
+	struct fwnode_handle *fn;
+
+	fn = irq_domain_alloc_named_id_fwnode("AMD-IR", iommu->index);
+	if (!fn)
+		return -ENOMEM;
+	iommu->ir_domain = irq_domain_create_tree(fn, &amd_ir_domain_ops, iommu);
+	irq_domain_free_fwnode(fn);
 	if (!iommu->ir_domain)
 		return -ENOMEM;
 
 	iommu->ir_domain->parent = arch_get_ir_parent_domain();
-	iommu->msi_domain = arch_create_msi_irq_domain(iommu->ir_domain);
-
+	iommu->msi_domain = arch_create_remap_msi_irq_domain(iommu->ir_domain,
+							     "AMD-IR-MSI",
+							     iommu->index);
 	return 0;
 }
 

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[patch 12/55] iommu/amd: Use named irq domain interface Thomas Gleixner <tglx@linutronix.de> - 2017-06-20 02:10 +0200
  Re: [patch 12/55] iommu/amd: Use named irq domain interface Joerg Roedel <joro@8bytes.org> - 2017-06-21 18:40 +0200
  [tip:irq/core] iommu/amd: Use named irq domain interface tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-22 19:00 +0200

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