[EOAN,UNSTABLE,1/1] s390/pci: fix MSI message data
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Message ID 1569264471-25548-2-git-send-email-frank.heimes@canonical.com
State New
Headers show
Series
  • Additional PCI patch and fix (LP: 1844668)
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Commit Message

Frank Heimes Sept. 23, 2019, 6:47 p.m. UTC
From: Sebastian Ott <sebott@linux.ibm.com>

BugLink: https://bugs.launchpad.net/bugs/1844668

After recent changes the MSI message data needs to specify the
function-relative IRQ number.

Reported-and-tested-by: Alexander Schmidt <alexs@linux.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
(cherry picked from commit cf2c4a3f35b75d38cebb4afbd578f1594f068d1e)
Signed-off-by: Frank Heimes <frank.heimes@canonical.com>
---
 arch/s390/pci/pci_irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c
index d80616a..fbe97ab 100644
--- a/arch/s390/pci/pci_irq.c
+++ b/arch/s390/pci/pci_irq.c
@@ -284,7 +284,7 @@  int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 			return rc;
 		irq_set_chip_and_handler(irq, &zpci_irq_chip,
 					 handle_percpu_irq);
-		msg.data = hwirq;
+		msg.data = hwirq - bit;
 		if (irq_delivery == DIRECTED) {
 			msg.address_lo = zdev->msi_addr & 0xff0000ff;
 			msg.address_lo |= msi->affinity ?