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Message-ID: <20211126232735.130164978@linutronix.de>
Date:   Sat, 27 Nov 2021 02:22:49 +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,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-s390@...r.kernel.org, Heiko Carstens <hca@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Jon Mason <jdmason@...zu.us>,
        Dave Jiang <dave.jiang@...el.com>,
        Allen Hubbe <allenbh@...il.com>, linux-ntb@...glegroups.com
Subject: [patch 14/32] s390/pci: Rework MSI descriptor walk

Replace the about to vanish iterators and make use of the filtering.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-s390@...r.kernel.org
Cc: Heiko Carstens <hca@...ux.ibm.com>
Cc: Christian Borntraeger <borntraeger@...ibm.com>
---
 arch/s390/pci/pci_irq.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/arch/s390/pci/pci_irq.c
+++ b/arch/s390/pci/pci_irq.c
@@ -303,7 +303,7 @@ int arch_setup_msi_irqs(struct pci_dev *
 
 	/* Request MSI interrupts */
 	hwirq = bit;
-	for_each_pci_msi_entry(msi, pdev) {
+	msi_for_each_desc(msi, &pdev->dev, MSI_DESC_NOTASSOCIATED) {
 		rc = -EIO;
 		if (hwirq - bit >= msi_vecs)
 			break;
@@ -362,9 +362,7 @@ void arch_teardown_msi_irqs(struct pci_d
 		return;
 
 	/* Release MSI interrupts */
-	for_each_pci_msi_entry(msi, pdev) {
-		if (!msi->irq)
-			continue;
+	msi_for_each_desc(msi, &pdev->dev, MSI_DESC_ASSOCIATED) {
 		irq_set_msi_desc(msi->irq, NULL);
 		irq_free_desc(msi->irq);
 		msi->msg.address_lo = 0;

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