[PATCH] PCI/libata INTx cleanup

Simple cleanup to eliminate X copies of the pci_enable_intx() function
in libata.  Moved ahci.c's pci_intx() to pci.c and use it throughout
libata and msi.c.

Signed-off-by: Brett Russ <russb@emc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 13 deletions

diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index 5f8688529041..87e0c36f1554 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -568,18 +568,6 @@ static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev)
         }
 }
 
-/* move to PCI layer, integrate w/ MSI stuff */
-static void pci_enable_intx(struct pci_dev *pdev)
-{
-        u16 pci_command;
-
-        pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
-        if (pci_command & PCI_COMMAND_INTX_DISABLE) {
-                pci_command &= ~PCI_COMMAND_INTX_DISABLE;
-                pci_write_config_word(pdev, PCI_COMMAND, pci_command);
-        }
-}
-
 #define AHCI_PCI_BAR 5
 #define AHCI_GLOBAL_CTL 0x04
 #define AHCI_ENABLE (1 << 31)
@@ -677,7 +665,7 @@ static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
          * message-signalled interrupts currently).
          */
         if (port_info[0]->host_flags & PIIX_FLAG_CHECKINTR)
-                pci_enable_intx(pdev);
+                pci_intx(pdev, 1);
 
         if (combined) {
                 port_info[sata_chan] = &piix_port_info[ent->driver_data];