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Fix link_td to use grub_uint32_t and not the pointer type

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-10-01 21:13:29 +02:00
parent 0e7ebb0569
commit 2877805fb0
1 changed files with 11 additions and 9 deletions
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20
grub-core/bus/usb/ehci.c
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@ -285,7 +285,7 @@ struct grub_ehci_td
/* 64-bits part */
grub_uint32_t buffer_page_high[GRUB_EHCI_TD_BUF_PAGES];
/* EHCI driver part */
grub_ehci_td_t link_td; /* pointer to next free/chained TD */
grub_uint32_t link_td; /* pointer to next free/chained TD */
grub_uint32_t size;
grub_uint32_t pad[1]; /* padding to some multiple of 32 bytes */
} __attribute__ ((packed));
@ -412,7 +412,7 @@ grub_ehci_phys2virt (grub_uint32_t phys, struct grub_pci_dma_chunk *chunk)
}
static inline grub_uint32_t
grub_ehci_virt2phys (void *virt, struct grub_pci_dma_chunk *chunk)
grub_ehci_virt2phys (volatile void *virt, struct grub_pci_dma_chunk *chunk)
{
if (!virt)
return 0;
@ -642,7 +642,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev,
/* Prepare chain of all TDs and set Terminate in all TDs */
for (i = 0; i < (GRUB_EHCI_N_TD - 1); i++)
{
e->td_virt[i].link_td = &e->td_virt[i + 1];
e->td_virt[i].link_td = e->td_phys + (i + 1) * sizeof (struct grub_ehci_td);
e->td_virt[i].next_td = grub_cpu_to_le32 (GRUB_EHCI_TERMINATE);
e->td_virt[i].alt_next_td = grub_cpu_to_le32 (GRUB_EHCI_TERMINATE);
}
@ -994,7 +994,8 @@ grub_ehci_alloc_td (struct grub_ehci *e)
}
ret = e->tdfree_virt; /* Take current free TD */
e->tdfree_virt = (grub_ehci_td_t) ret->link_td; /* Advance to next free TD in chain */
/* Advance to next free TD in chain */
e->tdfree_virt = grub_ehci_phys2virt (ret->link_td, e->td_chunk);
ret->link_td = 0; /* Reset link_td in allocated TD */
return ret;
}
@ -1002,7 +1003,8 @@ grub_ehci_alloc_td (struct grub_ehci *e)
static void
grub_ehci_free_td (struct grub_ehci *e, grub_ehci_td_t td)
{
td->link_td = e->tdfree_virt; /* Chain new free TD & rest */
/* Chain new free TD & rest */
td->link_td = grub_ehci_virt2phys (e->tdfree_virt, e->td_chunk);
e->tdfree_virt = td; /* Change address of first free TD */
}
@ -1035,7 +1037,7 @@ grub_ehci_free_tds (struct grub_ehci *e, grub_ehci_td_t td,
/* Unlink the TD */
tdprev = td;
td = (grub_ehci_td_t) td->link_td;
td = grub_ehci_phys2virt (td->link_td, e->td_chunk);
/* Free the TD. */
grub_ehci_free_td (e, tdprev);
@ -1167,7 +1169,7 @@ grub_ehci_transaction (struct grub_ehci *e,
grub_le_to_cpu32 (td->buffer_page[3]),
grub_le_to_cpu32 (td->buffer_page[4]));
grub_dprintf ("ehci", "link_td=%08x, size=%08x\n",
(grub_uint32_t) td->link_td, td->size);
td->link_td, td->size);
return td;
}
@ -1263,9 +1265,9 @@ grub_ehci_setup_transfer (grub_usb_controller_t dev,
cdata->td_first_virt = td;
else
{
td_prev->link_td = td;
td_prev->link_td = grub_ehci_virt2phys (td, e->td_chunk);
td_prev->next_td =
grub_cpu_to_le32 (grub_ehci_virt2phys ((void *) td, e->td_chunk));
grub_cpu_to_le32 (grub_ehci_virt2phys (td, e->td_chunk));
}
td_prev = td;
}