diff options
author | David S. Miller <davem@davemloft.net> | 2010-01-22 22:45:46 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2010-01-22 22:45:46 -0800 |
commit | 6be325719b3e54624397e413efd4b33a997e55a3 (patch) | |
tree | 57f321a56794cab2222e179b16731e0d76a4a68a /drivers/usb/musb/musb_gadget_ep0.c | |
parent | 26d92f9276a56d55511a427fb70bd70886af647a (diff) | |
parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/usb/musb/musb_gadget_ep0.c')
-rw-r--r-- | drivers/usb/musb/musb_gadget_ep0.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index 8fba3f11e47..53d06451f82 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -664,7 +664,7 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb) musb->ep0_state = MUSB_EP0_STAGE_STATUSIN; break; default: - ERR("SetupEnd came in a wrong ep0stage %s", + ERR("SetupEnd came in a wrong ep0stage %s\n", decode_ep0stage(musb->ep0_state)); } csr = musb_readw(regs, MUSB_CSR0); @@ -787,12 +787,18 @@ setup: handled = service_zero_data_request( musb, &setup); + /* + * We're expecting no data in any case, so + * always set the DATAEND bit -- doing this + * here helps avoid SetupEnd interrupt coming + * in the idle stage when we're stalling... + */ + musb->ackpend |= MUSB_CSR0_P_DATAEND; + /* status stage might be immediate */ - if (handled > 0) { - musb->ackpend |= MUSB_CSR0_P_DATAEND; + if (handled > 0) musb->ep0_state = MUSB_EP0_STAGE_STATUSIN; - } break; /* sequence #1 (IN to host), includes GET_STATUS |