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[PATCH] PCI/libata INTx cleanup

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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>
This commit is contained in:
Brett M Russ
2005-08-15 15:23:41 -04:00
committed by Greg Kroah-Hartman
parent 3fe9d19f9e
commit a04ce0ffca
7 changed files with 32 additions and 63 deletions
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14
drivers/scsi/ata_piix.c
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@ -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];