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Message-ID: <20211206210748.198359105@linutronix.de>
Date:   Mon,  6 Dec 2021 23:51:20 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Bjorn Helgaas <helgaas@...nel.org>, Marc Zygnier <maz@...nel.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Megha Dey <megha.dey@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, linux-pci@...r.kernel.org,
        Cedric Le Goater <clg@...d.org>,
        xen-devel@...ts.xenproject.org, Juergen Gross <jgross@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Niklas Schnelle <schnelle@...ux.ibm.com>,
        linux-s390@...r.kernel.org, Heiko Carstens <hca@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        Jon Mason <jdmason@...zu.us>,
        Dave Jiang <dave.jiang@...el.com>,
        Allen Hubbe <allenbh@...il.com>, linux-ntb@...glegroups.com
Subject: [patch V2 11/31] x86/pci/xen: Use msi_for_each_desc()

Replace the about to vanish iterators.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/pci/xen.c |   14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -184,7 +184,7 @@ static int xen_setup_msi_irqs(struct pci
 	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
 	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(st
 	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
 	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);
 	}
 }
 

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