[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, 2 insertions, 8 deletions

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 532f73bb2224..ee8677bda950 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -439,10 +439,7 @@ static void enable_msi_mode(struct pci_dev *dev, int pos, int type)
         }
         if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
                 /* PCI Express Endpoint device detected */
-                u16 cmd;
-                pci_read_config_word(dev, PCI_COMMAND, &cmd);
-                cmd |= PCI_COMMAND_INTX_DISABLE;
-                pci_write_config_word(dev, PCI_COMMAND, cmd);
+                pci_intx(dev, 0);  /* disable intx */
         }
 }
 
@@ -461,10 +458,7 @@ void disable_msi_mode(struct pci_dev *dev, int pos, int type)
         }
         if (pci_find_capability(dev, PCI_CAP_ID_EXP)) {
                 /* PCI Express Endpoint device detected */
-                u16 cmd;
-                pci_read_config_word(dev, PCI_COMMAND, &cmd);
-                cmd &= ~PCI_COMMAND_INTX_DISABLE;
-                pci_write_config_word(dev, PCI_COMMAND, cmd);
+                pci_intx(dev, 1);  /* enable intx */
         }
 }