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s390/pci: Rework MSI descriptor walk

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Niklas Schnelle <schnelle@linux.ibm.com>
Link: https://lore.kernel.org/r/20211206210748.305656158@linutronix.de
This commit is contained in:
Thomas Gleixner 2021-12-06 23:51:23 +01:00
parent 3d31bbd39a
commit 2ca5e908d0
1 changed files with 2 additions and 4 deletions
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6
arch/s390/pci/pci_irq.c
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@ -303,7 +303,7 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
/* 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_dev *pdev)
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;