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Code Issues

more USB driver fixes, now it passes usbtests 1-14

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SVN-Revision: 9599
This commit is contained in:
Gabor Juhos 2007-11-26 08:49:58 +00:00
parent 679089c6a8
commit 717ff24d47
2 changed files with 30 additions and 9 deletions
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7
target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
View File

@ -45,7 +45,7 @@
#include "../core/hcd.h"
#include "../core/hub.h"
#define DRIVER_VERSION "v0.10.1"
#define DRIVER_VERSION "v0.14.0"
#define DRIVER_AUTHOR "Gabor Juhos <juhosg at openwrt.org>"
#define DRIVER_DESC "ADMtek USB 1.1 Host Controller Driver"
@ -142,10 +142,6 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
/* number of packets from URB */
td_cnt = urb->number_of_packets;
break;
default:
/* paranoia */
admhc_err(ahcd, "bad EP type %d", ed->type);
return -EINVAL;
}
urb_priv = urb_priv_alloc(ahcd, td_cnt, mem_flags);
@ -207,6 +203,7 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
#ifdef ADMHC_VERBOSE_DEBUG
admhc_dump_ed(ahcd, "admhc_urb_enqueue", urb_priv->ed, 1);
#endif
fail0:
spin_unlock(&urb->lock);
fail:

32
target/linux/adm5120/files/drivers/usb/host/adm5120-q.c
View File

@ -231,6 +231,11 @@ static void periodic_unlink (struct admhcd *ahcd, struct ed *ed)
*/
static void ed_deschedule(struct admhcd *ahcd, struct ed *ed)
{
#ifdef ADMHC_VERBOSE_DEBUG
admhc_dump_ed(ahcd, "ED-DESCHED", ed, 1);
#endif
ed->hwINFO |= cpu_to_hc32(ahcd, ED_SKIP);
wmb();
ed->state = ED_UNLINK;
@ -333,6 +338,11 @@ static struct ed *ed_get(struct admhcd *ahcd, struct usb_host_endpoint *ep,
*/
static void start_ed_unlink(struct admhcd *ahcd, struct ed *ed)
{
#ifdef ADMHC_VERBOSE_DEBUG
admhc_dump_ed(ahcd, "ED-UNLINK", ed, 1);
#endif
ed->hwINFO |= cpu_to_hc32(ahcd, ED_DEQUEUE);
ed_deschedule(ahcd, ed);
@ -735,7 +745,7 @@ skip_ed:
last = &ed->ed_rm_next;
continue;
}
#if 0
if (!list_empty(&ed->td_list)) {
struct td *td;
u32 head;
@ -749,6 +759,7 @@ skip_ed:
if (td->td_dma != head)
goto skip_ed;
}
#endif
}
/* reentrancy: if we drop the schedule lock, someone might
@ -793,7 +804,9 @@ rescan_this:
*prev = td->hwNextTD | savebits;
/* HC may have partly processed this TD */
urb_print(ahcd, urb, "PARTIAL", 1);
#ifdef ADMHC_VERBOSE_DEBUG
urb_print(ahcd, urb, "PARTIAL", 0);
#endif
td_done(ahcd, urb, td);
/* if URB is done, clean up */
@ -809,7 +822,7 @@ rescan_this:
ed->state = ED_IDLE;
ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_H);
ed->hwNextED = 0;
wmb ();
wmb();
ed->hwINFO &= ~cpu_to_hc32(ahcd, ED_SKIP | ED_DEQUEUE);
/* but if there's work queued, reschedule */
@ -865,6 +878,14 @@ static void ed_unhalt(struct admhcd *ahcd, struct ed *ed, struct urb *urb)
}
static void ed_intr_refill(struct admhcd *ahcd, struct ed *ed)
{
__hc32 toggle = ed->hwHeadP & cpu_to_hc32(ahcd, ED_C);
ed->hwHeadP = ed->hwTailP | toggle;
}
static inline int is_ed_halted(struct admhcd *ahcd, struct ed *ed)
{
return ((hc32_to_cpup(ahcd, &ed->hwHeadP) & ED_H) == ED_H);
@ -882,7 +903,7 @@ static void ed_update(struct admhcd *ahcd, struct ed *ed)
struct list_head *entry,*tmp;
#ifdef ADMHC_VERBOSE_DEBUG
admhc_dump_ed(ahcd, "UPDATE", ed, 0);
admhc_dump_ed(ahcd, "UPDATE", ed, 1);
#endif
list_for_each_safe(entry, tmp, &ed->td_list) {
@ -899,6 +920,9 @@ static void ed_update(struct admhcd *ahcd, struct ed *ed)
if (is_ed_halted(ahcd, ed) && is_td_halted(ahcd, ed, td))
ed_unhalt(ahcd, ed, urb);
if (ed->type == PIPE_INTERRUPT)
ed_intr_refill(ahcd,ed);
/* If all this urb's TDs are done, call complete() */
if (urb_priv->td_idx == urb_priv->td_cnt)
finish_urb(ahcd, urb);