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Disable unused list

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-06-02 04:52:52 +02:00
parent 2325800310
commit f1cb760c99
1 changed files with 10 additions and 2 deletions
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12
bus/usb/ohci.c
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@ -563,9 +563,14 @@ grub_ohci_transfer (grub_usb_controller_t dev,
grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, ed_addr); grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKHEAD, ed_addr);
grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKCURR, 0); grub_ohci_writereg32 (o, GRUB_OHCI_REG_BULKCURR, 0);
#define GRUB_OHCI_REG_CONTROL_BULK_ENABLE (1 << 5)
#define GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE (1 << 4)
/* Enable the Bulk list. */ /* Enable the Bulk list. */
control = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL); control = grub_ohci_readreg32 (o, GRUB_OHCI_REG_CONTROL);
control |= 1 << 5; control |= GRUB_OHCI_REG_CONTROL_BULK_ENABLE;
control &= ~GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE;
grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control);
/* Set BulkListFilled. */ /* Set BulkListFilled. */
@ -578,12 +583,15 @@ grub_ohci_transfer (grub_usb_controller_t dev,
case GRUB_USB_TRANSACTION_TYPE_CONTROL: case GRUB_USB_TRANSACTION_TYPE_CONTROL:
{ {
grub_dprintf ("ohci", "add to control list\n");
/* Set ControlList Head and Current */ /* Set ControlList Head and Current */
grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, ed_addr); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLHEAD, ed_addr);
grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLCURR, 0); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROLCURR, 0);
/* Enable the Control list. */ /* Enable the Control list. */
control |= 1 << 4; control |= GRUB_OHCI_REG_CONTROL_CONTROL_ENABLE;
control &= ~GRUB_OHCI_REG_CONTROL_BULK_ENABLE;
grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control); grub_ohci_writereg32 (o, GRUB_OHCI_REG_CONTROL, control);
/* Set ControlListFilled. */ /* Set ControlListFilled. */