linux-kernel - [tip: irq/msi] x86/pci/xen: Use msi_for_each

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Date:   Thu, 16 Dec 2021 21:40:36 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Jason Gunthorpe <jgg@...dia.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: irq/msi] x86/pci/xen: Use msi_for_each_desc()

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

Commit-ID:     f2948df5f87a722591499da60ab91c611422f755
Gitweb:        https://git.kernel.org/tip/f2948df5f87a722591499da60ab91c611422f755
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Mon, 06 Dec 2021 23:51:20 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 16 Dec 2021 22:22:18 +01:00

x86/pci/xen: Use msi_for_each_desc()

Replace the about to vanish iterators.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Link: https://lore.kernel.org/r/20211206210748.198359105@linutronix.de

---
 arch/x86/pci/xen.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index ded0320..9bb1e29 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -184,7 +184,7 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 	if (ret)
 		goto error;
 	i = 0;
-	for_each_pci_msi_entry(msidesc, dev) {
+	msi_for_each_desc(msidesc, &dev->dev, MSI_DESC_NOTASSOCIATED) {
 		irq = xen_bind_pirq_msi_to_irq(dev, msidesc, v[i],
 					       (type == PCI_CAP_ID_MSI) ? nvec : 1,
 					       (type == PCI_CAP_ID_MSIX) ?
@@ -235,7 +235,7 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 	if (type == PCI_CAP_ID_MSI && nvec > 1)
 		return 1;
 
-	for_each_pci_msi_entry(msidesc, dev) {
+	msi_for_each_desc(msidesc, &dev->dev, MSI_DESC_NOTASSOCIATED) {
 		pirq = xen_allocate_pirq_msi(dev, msidesc);
 		if (pirq < 0) {
 			irq = -ENODEV;
@@ -270,7 +270,7 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 	int ret = 0;
 	struct msi_desc *msidesc;
 
-	for_each_pci_msi_entry(msidesc, dev) {
+	msi_for_each_desc(msidesc, &dev->dev, MSI_DESC_NOTASSOCIATED) {
 		struct physdev_map_pirq map_irq;
 		domid_t domid;
 
@@ -389,11 +389,9 @@ static void xen_teardown_msi_irqs(struct pci_dev *dev)
 	struct msi_desc *msidesc;
 	int i;
 
-	for_each_pci_msi_entry(msidesc, dev) {
-		if (msidesc->irq) {
-			for (i = 0; i < msidesc->nvec_used; i++)
-				xen_destroy_irq(msidesc->irq + i);
-		}
+	msi_for_each_desc(msidesc, &dev->dev, MSI_DESC_ASSOCIATED) {
+		for (i = 0; i < msidesc->nvec_used; i++)
+			xen_destroy_irq(msidesc->irq + i);
 	}
 }