libata: add comment documenting PIO latency issues on UP

[safe/jmp/linux-2.6] / drivers / ata / pata_acpi.c

diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index eb919c1..d8f35fe 100644 (file)
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -1,7 +1,7 @@
 /*
  *     ACPI PATA driver
  *
- *     (c) 2007 Red Hat  <alan@redhat.com>
+ *     (c) 2007 Red Hat
  */
 
 #include <linux/kernel.h>
@@ -13,12 +13,6 @@
 #include <linux/device.h>
 #include <scsi/scsi_host.h>
 #include <acpi/acpi_bus.h>
-#include <acpi/acnames.h>
-#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acexcep.h>
-#include <acpi/acmacros.h>
-#include <acpi/actypes.h>
 
 #include <linux/libata.h>
 #include <linux/ata.h>
@@ -252,9 +246,9 @@ static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
        static const struct ata_port_info info = {
                .flags          = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
 
-               .pio_mask       = 0x1f,
-               .mwdma_mask     = 0x07,
-               .udma_mask      = 0x7f,
+               .pio_mask       = ATA_PIO4,
+               .mwdma_mask     = ATA_MWDMA2,
+               .udma_mask      = ATA_UDMA6,
 
                .port_ops       = &pacpi_ops,
        };