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author | Hans de Goede <hdegoede@redhat.com> | 2012-12-14 14:35:28 +0100 |
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committer | Gerd Hoffmann <kraxel@redhat.com> | 2013-01-07 12:57:23 +0100 |
commit | 51e0c5d02951ee5bd653132e46123f6e963ff23f (patch) | |
tree | de3af546a51e9b3fc7899a323a7c29a72e9202ca /hw/usb/hcd-ehci.c | |
parent | e3fdfd488c47c2d6920e0964364f1238fb5bf0e2 (diff) | |
download | qemu-51e0c5d02951ee5bd653132e46123f6e963ff23f.tar.gz qemu-51e0c5d02951ee5bd653132e46123f6e963ff23f.tar.bz2 qemu-51e0c5d02951ee5bd653132e46123f6e963ff23f.zip |
ehci: Add an ehci_get_pid helper function
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-ehci.c')
-rw-r--r-- | hw/usb/hcd-ehci.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c index dde2ff3130..dae414abb9 100644 --- a/hw/usb/hcd-ehci.c +++ b/hw/usb/hcd-ehci.c @@ -481,6 +481,21 @@ static inline int put_dwords(EHCIState *ehci, uint32_t addr, return num; } +static int ehci_get_pid(EHCIqtd *qtd) +{ + switch (get_field(qtd->token, QTD_TOKEN_PID)) { + case 0: + return USB_TOKEN_OUT; + case 1: + return USB_TOKEN_IN; + case 2: + return USB_TOKEN_SETUP; + default: + fprintf(stderr, "bad token\n"); + return 0; + } +} + static bool ehci_verify_qh(EHCIQueue *q, EHCIqh *qh) { uint32_t devaddr = get_field(qh->epchar, QH_EPCHAR_DEVADDR); @@ -1352,22 +1367,7 @@ static int ehci_execute(EHCIPacket *p, const char *action) return -1; } - p->pid = (p->qtd.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH; - switch (p->pid) { - case 0: - p->pid = USB_TOKEN_OUT; - break; - case 1: - p->pid = USB_TOKEN_IN; - break; - case 2: - p->pid = USB_TOKEN_SETUP; - break; - default: - fprintf(stderr, "bad token\n"); - break; - } - + p->pid = ehci_get_pid(&p->qtd); endp = get_field(p->queue->qh.epchar, QH_EPCHAR_EP); ep = usb_ep_get(p->queue->dev, p->pid, endp); |