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PCI: Switch msix_program_entries() to use pci_msix_desc_addr() 

Instead of relying on the msix_entry structure for the vector number, read
it from the msi_desc.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alexander Gordeev <agordeev@redhat.com>
This commit is contained in:
Christoph Hellwig 2016-07-12 18:20:15 +09:00 committed by Bjorn Helgaas
parent 5eb6d66019
commit 12eb21de1f
1 changed files with 2 additions and 4 deletions
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6
drivers/pci/msi.c
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@ -713,11 +713,9 @@ static void msix_program_entries(struct pci_dev *dev,
int i = 0;
for_each_pci_msi_entry(entry, dev) {
int offset = entries[i].entry * PCI_MSIX_ENTRY_SIZE +
PCI_MSIX_ENTRY_VECTOR_CTRL;
entries[i].vector = entry->irq;
entry->masked = readl(entry->mask_base + offset);
entry->masked = readl(pci_msix_desc_addr(entry) +
PCI_MSIX_ENTRY_VECTOR_CTRL);
msix_mask_irq(entry, 1);
i++;
}