diff options
Diffstat (limited to 'drivers/usb/musb/musb_gadget_ep0.c')
| -rw-r--r-- | drivers/usb/musb/musb_gadget_ep0.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index b2faff2..6a0d046 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -88,7 +88,6 @@ static int service_tx_status_request( case USB_RECIP_DEVICE: result[0] = musb->is_self_powered << USB_DEVICE_SELF_POWERED; result[0] |= musb->may_wakeup << USB_DEVICE_REMOTE_WAKEUP; -#ifdef CONFIG_USB_MUSB_OTG if (musb->g.is_otg) { result[0] |= musb->g.b_hnp_enable << USB_DEVICE_B_HNP_ENABLE; @@ -97,7 +96,6 @@ static int service_tx_status_request( result[0] |= musb->g.a_hnp_support << USB_DEVICE_A_HNP_SUPPORT; } -#endif break; case USB_RECIP_INTERFACE: @@ -392,7 +390,6 @@ __acquires(musb->lock) if (handled > 0) musb->test_mode = true; break; -#ifdef CONFIG_USB_MUSB_OTG case USB_DEVICE_B_HNP_ENABLE: if (!musb->g.is_otg) goto stall; @@ -409,7 +406,6 @@ __acquires(musb->lock) goto stall; musb->g.a_alt_hnp_support = 1; break; -#endif case USB_DEVICE_DEBUG_MODE: handled = 0; break; @@ -683,6 +679,14 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb) musb_readb(mbase, MUSB_FADDR), decode_ep0stage(musb->ep0_state)); + if (csr & MUSB_CSR0_P_DATAEND) { + /* + * If DATAEND is set we should not call the callback, + * hence the status stage is not complete. + */ + return IRQ_HANDLED; + } + /* I sent a stall.. need to acknowledge it now.. */ if (csr & MUSB_CSR0_P_SENTSTALL) { musb_writew(regs, MUSB_CSR0, |