diff options
Diffstat (limited to 'hw/usb/hcd-ehci.c')
| -rw-r--r-- | hw/usb/hcd-ehci.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index 23631a47c9..4ff4d40a8c 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -133,7 +133,6 @@ #define NB_MAXINTRATE 8 // Max rate at which controller issues ints #define NB_PORTS 6 // Number of downstream ports #define BUFF_SIZE 5*4096 // Max bytes to transfer per transaction -#define MAX_ITERATIONS 20 // Max number of QH before we break the loop #define MAX_QH 100 // Max allowable queue heads in a chain /* Internal periodic / asynchronous schedule state machine states @@ -665,6 +664,7 @@ static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, int async) q = g_malloc0(sizeof(*q)); q->ehci = ehci; + usb_packet_init(&q->packet); QTAILQ_INSERT_HEAD(head, q, next); trace_usb_ehci_queue_action(q, "alloc"); return q; @@ -1101,6 +1101,10 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val) val &= USBINTR_MASK; break; + case FRINDEX: + val &= 0x00003ff8; /* frindex is 14bits and always a multiple of 8 */ + break; + case CONFIGFLAG: val &= 0x1; if (val) { @@ -1931,24 +1935,8 @@ static void ehci_advance_state(EHCIState *ehci, { EHCIQueue *q = NULL; int again; - int iter = 0; do { - if (ehci_get_state(ehci, async) == EST_FETCHQH) { - iter++; - /* if we are roaming a lot of QH without executing a qTD - * something is wrong with the linked list. TO-DO: why is - * this hack needed? - */ - assert(iter < MAX_ITERATIONS); -#if 0 - if (iter > MAX_ITERATIONS) { - DPRINTF("\n*** advance_state: bailing on MAX ITERATIONS***\n"); - ehci_set_state(ehci, async, EST_ACTIVE); - break; - } -#endif - } switch(ehci_get_state(ehci, async)) { case EST_WAITLISTHEAD: again = ehci_state_waitlisthead(ehci, async); @@ -1984,7 +1972,6 @@ static void ehci_advance_state(EHCIState *ehci, break; case EST_EXECUTE: - iter = 0; again = ehci_state_execute(q, async); break; |