vbus register is at otgsc, and vbus detect does not belong to device function. Revert this patch, and will move vbus detect function to drivers/usb/chipidea/udc.c
This reverts commit 8c4fc031954b4eb72daf13d3c907a985a3eee208. Signed-off-by: Peter Chen <peter.c...@freescale.com> diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index e25d126..d738603 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -139,7 +139,6 @@ struct ci13xxx { enum ci_role role; bool is_otg; struct work_struct work; - struct work_struct vbus_work; struct workqueue_struct *wq; struct dma_pool *qh_pool; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 2f45bba..d214448 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -305,18 +305,6 @@ static u32 hw_test_and_clear_intr_active(struct ci13xxx *ci) return reg; } -static void hw_enable_vbus_intr(struct ci13xxx *ci) -{ - hw_write(ci, OP_OTGSC, OTGSC_AVVIS, OTGSC_AVVIS); - hw_write(ci, OP_OTGSC, OTGSC_AVVIE, OTGSC_AVVIE); - queue_work(ci->wq, &ci->vbus_work); -} - -static void hw_disable_vbus_intr(struct ci13xxx *ci) -{ - hw_write(ci, OP_OTGSC, OTGSC_AVVIE, 0); -} - /** * hw_test_and_clear_setup_guard: test & clear setup guard (execute without * interruption) @@ -383,16 +371,6 @@ static int hw_usb_reset(struct ci13xxx *ci) return 0; } -static void vbus_work(struct work_struct *work) -{ - struct ci13xxx *ci = container_of(work, struct ci13xxx, vbus_work); - - if (hw_read(ci, OP_OTGSC, OTGSC_AVV)) - usb_gadget_vbus_connect(&ci->gadget); - else - usb_gadget_vbus_disconnect(&ci->gadget); -} - /****************************************************************************** * UTIL block *****************************************************************************/ @@ -1392,7 +1370,6 @@ static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active) if (is_active) { pm_runtime_get_sync(&_gadget->dev); hw_device_reset(ci, USBMODE_CM_DC); - hw_enable_vbus_intr(ci); hw_device_state(ci, ci->ep0out->qh.dma); } else { hw_device_state(ci, 0); @@ -1567,10 +1544,8 @@ static int ci13xxx_start(struct usb_gadget *gadget, pm_runtime_get_sync(&ci->gadget.dev); if (ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS) { if (ci->vbus_active) { - if (ci->platdata->flags & CI13XXX_REGS_SHARED) { + if (ci->platdata->flags & CI13XXX_REGS_SHARED) hw_device_reset(ci, USBMODE_CM_DC); - hw_enable_vbus_intr(ci); - } } else { pm_runtime_put_sync(&ci->gadget.dev); goto done; @@ -1676,13 +1651,6 @@ static irqreturn_t udc_irq(struct ci13xxx *ci) } else { retval = IRQ_NONE; } - - intr = hw_read(ci, OP_OTGSC, ~0); - hw_write(ci, OP_OTGSC, ~0, intr); - - if (intr & (OTGSC_AVVIE & OTGSC_AVVIS)) - queue_work(ci->wq, &ci->vbus_work); - spin_unlock(&ci->lock); return retval; @@ -1758,7 +1726,6 @@ static int udc_start(struct ci13xxx *ci) retval = hw_device_reset(ci, USBMODE_CM_DC); if (retval) goto put_transceiver; - hw_enable_vbus_intr(ci); } retval = device_register(&ci->gadget.dev); @@ -1821,9 +1788,6 @@ static void udc_stop(struct ci13xxx *ci) if (ci == NULL) return; - hw_disable_vbus_intr(ci); - cancel_work_sync(&ci->vbus_work); - usb_del_gadget_udc(&ci->gadget); destroy_eps(ci); @@ -1864,7 +1828,6 @@ int ci_hdrc_gadget_init(struct ci13xxx *ci) rdrv->irq = udc_irq; rdrv->name = "gadget"; ci->roles[CI_ROLE_GADGET] = rdrv; - INIT_WORK(&ci->vbus_work, vbus_work); return 0; } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html