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authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>2009-06-18 19:20:26 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-06-19 15:11:45 -0700
commit2af5066f664cb011cf17d2e4414491fe24597e07 (patch)
treefe9f787a3eac10cfef1bbc7e18ee7800c281f773
parentf598282f5145036312d90875d0ed5c14b49fd8a7 (diff)
PCI: make msi_free_irqs() to use msix_mask_irq() instead of open coded write
Use msix_mask_irq() instead of direct use of writel, so as not to clear preserved bits in the Vector Control register [31:1]. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
-rw-r--r--drivers/pci/msi.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 944e45e4a84..d9f06fbfa0b 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -653,10 +653,7 @@ 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);
}