linux-kernel - [tip: x86/irq] x86/irq: Consolidate DMAR irq allocation

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Date:   Wed, 16 Sep 2020 15:12:19 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/irq] x86/irq: Consolidate DMAR irq allocation

The following commit has been merged into the x86/irq branch of tip:

Commit-ID:     55e039157281f9d8ee7d595c2529a3fd4e790b52
Gitweb:        https://git.kernel.org/tip/55e039157281f9d8ee7d595c2529a3fd4e790b52
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Wed, 26 Aug 2020 13:16:43 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Wed, 16 Sep 2020 16:52:33 +02:00

x86/irq: Consolidate DMAR irq allocation

None of the DMAR specific fields are required.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20200826112332.163462706@linutronix.de

---
 arch/x86/include/asm/hw_irq.h |  6 ------
 arch/x86/kernel/apic/msi.c    | 10 +++++-----
 2 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 641bc14..79f6d1d 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -83,12 +83,6 @@ struct irq_alloc_info {
 			irq_hw_number_t	msi_hwirq;
 		};
 #endif
-#ifdef	CONFIG_DMAR_TABLE
-		struct {
-			int		dmar_id;
-			void		*dmar_data;
-		};
-#endif
 #ifdef	CONFIG_X86_UV
 		struct {
 			int		uv_limit;
diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c
index da68d08..ebf57db 100644
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c
@@ -326,15 +326,15 @@ static struct irq_chip dmar_msi_controller = {
 static irq_hw_number_t dmar_msi_get_hwirq(struct msi_domain_info *info,
 					  msi_alloc_info_t *arg)
 {
-	return arg->dmar_id;
+	return arg->hwirq;
 }
 
 static int dmar_msi_init(struct irq_domain *domain,
 			 struct msi_domain_info *info, unsigned int virq,
 			 irq_hw_number_t hwirq, msi_alloc_info_t *arg)
 {
-	irq_domain_set_info(domain, virq, arg->dmar_id, info->chip, NULL,
-			    handle_edge_irq, arg->dmar_data, "edge");
+	irq_domain_set_info(domain, virq, arg->devid, info->chip, NULL,
+			    handle_edge_irq, arg->data, "edge");
 
 	return 0;
 }
@@ -381,8 +381,8 @@ int dmar_alloc_hwirq(int id, int node, void *arg)
 
 	init_irq_alloc_info(&info, NULL);
 	info.type = X86_IRQ_ALLOC_TYPE_DMAR;
-	info.dmar_id = id;
-	info.dmar_data = arg;
+	info.devid = id;
+	info.data = arg;
 
 	return irq_domain_alloc_irqs(domain, 1, node, &info);
 }