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merge with mainline

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This commit is contained in:
BVK Chaitanya 2010-08-22 21:00:22 +05:30
commit d84666e6bb
37 changed files with 2533 additions and 641 deletions
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26
grub-core/bus/usb/ohci.c
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@ -654,7 +654,8 @@ grub_ohci_transaction (grub_ohci_td_t td,
static grub_usb_err_t
grub_ohci_transfer (grub_usb_controller_t dev,
grub_usb_transfer_t transfer)
grub_usb_transfer_t transfer, int timeout,
grub_size_t *actual)
{
struct grub_ohci *o = (struct grub_ohci *) dev->data;
grub_ohci_ed_t ed_virt;
@ -680,6 +681,8 @@ grub_ohci_transfer (grub_usb_controller_t dev,
int err_unrec = 0;
grub_uint32_t intstatus;
*actual = 0;
/* Pre-set target for ED - we need it to find proper ED */
/* Set the device address. */
target = transfer->devaddr;
@ -832,7 +835,7 @@ grub_ohci_transfer (grub_usb_controller_t dev,
}
/* Safety measure to avoid a hang. */
maxtime = grub_get_time_ms () + 1000;
maxtime = grub_get_time_ms () + timeout;
/* Wait until the transfer is completed or STALLs. */
do
@ -986,6 +989,7 @@ grub_ohci_transfer (grub_usb_controller_t dev,
transfer->last_trans = tderr_virt->tr_index;
else
transfer->last_trans = -1;
*actual = transfer->size + 1;
}
else if (err_halt) /* error, ED is halted by OHCI, i.e. can be modified */
@ -1032,7 +1036,7 @@ grub_ohci_transfer (grub_usb_controller_t dev,
{
case 0:
/* XXX: Should not happen! */
grub_error (GRUB_ERR_IO, "OHCI without reporting the reason");
grub_error (GRUB_ERR_IO, "OHCI failed without reporting the reason");
err = GRUB_USB_ERR_INTERNAL;
break;
@ -1078,12 +1082,14 @@ grub_ohci_transfer (grub_usb_controller_t dev,
case 9:
/* XXX: Data underrun error. */
err = GRUB_USB_ERR_DATA;
grub_dprintf ("ohci", "Underrun, failed TD address: %p, index: %d\n",
tderr_virt, tderr_virt->tr_index);
grub_dprintf ("ohci", "Underrun, number of not transferred bytes: %d\n",
1 + grub_le_to_cpu32 (tderr_virt->buffer_end)
- grub_le_to_cpu32 (tderr_virt->buffer));
if (transfer->last_trans == -1)
break;
*actual = transfer->transactions[transfer->last_trans].size
- (grub_le_to_cpu32 (tderr_virt->buffer_end)
- grub_le_to_cpu32 (tderr_virt->buffer))
+ transfer->transactions[transfer->last_trans].preceding;
break;
case 10:
@ -1172,12 +1178,10 @@ grub_ohci_transfer (grub_usb_controller_t dev,
transfer->last_trans = tderr_virt->tr_index;
else
transfer->last_trans = -1;
}
/* Set empty ED - set HEAD = TAIL = last (not processed) TD */
ed_virt->td_head = grub_cpu_to_le32 ( grub_le_to_cpu32 (
ed_virt->td_tail) & ~0xf);
/* Set empty ED - set HEAD = TAIL = last (not processed) TD */
ed_virt->td_head = grub_cpu_to_le32 (grub_le_to_cpu32 (ed_virt->td_tail) & ~0xf);
/* At this point always should be:
* ED has skip bit set and halted or empty or after next SOF,