Use msix_mask_irq() instead of direct use of writel, not to clear
preserved bits in the Vector Control register [31::01].
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@xxxxxxxxxxxxxx>
---
drivers/pci/msi.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index e751d7b..8e5f8cc 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -664,10 +664,7 @@ static int msi_free_irqs(struct pci_dev* dev)
list_for_each_entry_safe(entry, tmp, &dev->msi_list, list) {
if (entry->msi_attrib.is_msix) {
- writel(1, entry->mask_base + entry->msi_attrib.entry_nr
- * PCI_MSIX_ENTRY_SIZE
- + PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET);
-
+ msix_mask_irq(entry, 1);
if (list_is_last(&entry->list, &dev->msi_list))
iounmap(entry->mask_base);
}
--
1.6.3
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