[patch 14/32] s390/pci: Rework MSI descriptor walk

Thomas Gleixner
2021-11-27T01:29:47Z

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-s390@vger.kernel.org
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.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;