diff options
Diffstat (limited to 'drivers/usb')
26 files changed, 251 insertions, 169 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 9852ec5e6e01..cc7c856126df 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1621,6 +1621,25 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) static int ci_udc_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver); static int ci_udc_stop(struct usb_gadget *gadget); + +/* Match ISOC IN from the highest endpoint */ +static struct usb_ep *ci_udc_match_ep(struct usb_gadget *gadget, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *comp_desc) +{ + struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); + struct usb_ep *ep; + + if (usb_endpoint_xfer_isoc(desc) && usb_endpoint_dir_in(desc)) { + list_for_each_entry_reverse(ep, &ci->gadget.ep_list, ep_list) { + if (ep->caps.dir_in && !ep->claimed) + return ep; + } + } + + return NULL; +} + /** * Device operations part of the API to the USB controller hardware, * which don't involve endpoints (or i/o) @@ -1634,6 +1653,7 @@ static const struct usb_gadget_ops usb_gadget_ops = { .vbus_draw = ci_udc_vbus_draw, .udc_start = ci_udc_start, .udc_stop = ci_udc_stop, + .match_ep = ci_udc_match_ep, }; static int init_eps(struct ci_hdrc *ci) diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 6082b008969b..6b6413073584 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -215,6 +215,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */ { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech HD Webcam C270 */ + { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech HD Pro Webcams C920, C920-C, C925e and C930e */ { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT }, diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index 55d5ae2a7ec7..51d83f77dc04 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -531,7 +531,7 @@ int dwc2_core_reset(struct dwc2_hsotg *hsotg, bool skip_wait) } /* Wait for AHB master IDLE state */ - if (dwc2_hsotg_wait_bit_set(hsotg, GRSTCTL, GRSTCTL_AHBIDLE, 50)) { + if (dwc2_hsotg_wait_bit_set(hsotg, GRSTCTL, GRSTCTL_AHBIDLE, 10000)) { dev_warn(hsotg->dev, "%s: HANG! AHB Idle timeout GRSTCTL GRSTCTL_AHBIDLE\n", __func__); return -EBUSY; diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 260010abf9d8..aad7edc29bdd 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2673,8 +2673,10 @@ static void dwc2_free_dma_aligned_buffer(struct urb *urb) return; /* Restore urb->transfer_buffer from the end of the allocated area */ - memcpy(&stored_xfer_buffer, urb->transfer_buffer + - urb->transfer_buffer_length, sizeof(urb->transfer_buffer)); + memcpy(&stored_xfer_buffer, + PTR_ALIGN(urb->transfer_buffer + urb->transfer_buffer_length, + dma_get_cache_alignment()), + sizeof(urb->transfer_buffer)); if (usb_urb_dir_in(urb)) { if (usb_pipeisoc(urb->pipe)) @@ -2706,6 +2708,7 @@ static int dwc2_alloc_dma_aligned_buffer(struct urb *urb, gfp_t mem_flags) * DMA */ kmalloc_size = urb->transfer_buffer_length + + (dma_get_cache_alignment() - 1) + sizeof(urb->transfer_buffer); kmalloc_ptr = kmalloc(kmalloc_size, mem_flags); @@ -2716,7 +2719,8 @@ static int dwc2_alloc_dma_aligned_buffer(struct urb *urb, gfp_t mem_flags) * Position value of original urb->transfer_buffer pointer to the end * of allocation for later referencing */ - memcpy(kmalloc_ptr + urb->transfer_buffer_length, + memcpy(PTR_ALIGN(kmalloc_ptr + urb->transfer_buffer_length, + dma_get_cache_alignment()), &urb->transfer_buffer, sizeof(urb->transfer_buffer)); if (usb_urb_dir_out(urb)) @@ -2801,7 +2805,7 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) chan->dev_addr = dwc2_hcd_get_dev_addr(&urb->pipe_info); chan->ep_num = dwc2_hcd_get_ep_num(&urb->pipe_info); chan->speed = qh->dev_speed; - chan->max_packet = dwc2_max_packet(qh->maxp); + chan->max_packet = qh->maxp; chan->xfer_started = 0; chan->halt_status = DWC2_HC_XFER_NO_HALT_STATUS; @@ -2879,7 +2883,7 @@ static int dwc2_assign_and_init_hc(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) * This value may be modified when the transfer is started * to reflect the actual transfer length */ - chan->multi_count = dwc2_hb_mult(qh->maxp); + chan->multi_count = qh->maxp_mult; if (hsotg->params.dma_desc_enable) { chan->desc_list_addr = qh->desc_list_dma; @@ -3991,19 +3995,21 @@ static struct dwc2_hcd_urb *dwc2_hcd_urb_alloc(struct dwc2_hsotg *hsotg, static void dwc2_hcd_urb_set_pipeinfo(struct dwc2_hsotg *hsotg, struct dwc2_hcd_urb *urb, u8 dev_addr, - u8 ep_num, u8 ep_type, u8 ep_dir, u16 mps) + u8 ep_num, u8 ep_type, u8 ep_dir, + u16 maxp, u16 maxp_mult) { if (dbg_perio() || ep_type == USB_ENDPOINT_XFER_BULK || ep_type == USB_ENDPOINT_XFER_CONTROL) dev_vdbg(hsotg->dev, - "addr=%d, ep_num=%d, ep_dir=%1x, ep_type=%1x, mps=%d\n", - dev_addr, ep_num, ep_dir, ep_type, mps); + "addr=%d, ep_num=%d, ep_dir=%1x, ep_type=%1x, maxp=%d (%d mult)\n", + dev_addr, ep_num, ep_dir, ep_type, maxp, maxp_mult); urb->pipe_info.dev_addr = dev_addr; urb->pipe_info.ep_num = ep_num; urb->pipe_info.pipe_type = ep_type; urb->pipe_info.pipe_dir = ep_dir; - urb->pipe_info.mps = mps; + urb->pipe_info.maxp = maxp; + urb->pipe_info.maxp_mult = maxp_mult; } /* @@ -4094,8 +4100,9 @@ void dwc2_hcd_dump_state(struct dwc2_hsotg *hsotg) dwc2_hcd_is_pipe_in(&urb->pipe_info) ? "IN" : "OUT"); dev_dbg(hsotg->dev, - " Max packet size: %d\n", - dwc2_hcd_get_mps(&urb->pipe_info)); + " Max packet size: %d (%d mult)\n", + dwc2_hcd_get_maxp(&urb->pipe_info), + dwc2_hcd_get_maxp_mult(&urb->pipe_info)); dev_dbg(hsotg->dev, " transfer_buffer: %p\n", urb->buf); @@ -4653,8 +4660,10 @@ static void dwc2_dump_urb_info(struct usb_hcd *hcd, struct urb *urb, } dev_vdbg(hsotg->dev, " Speed: %s\n", speed); - dev_vdbg(hsotg->dev, " Max packet size: %d\n", - usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe))); + dev_vdbg(hsotg->dev, " Max packet size: %d (%d mult)\n", + usb_endpoint_maxp(&urb->ep->desc), + usb_endpoint_maxp_mult(&urb->ep->desc)); + dev_vdbg(hsotg->dev, " Data buffer length: %d\n", urb->transfer_buffer_length); dev_vdbg(hsotg->dev, " Transfer buffer: %p, Transfer DMA: %08lx\n", @@ -4737,8 +4746,8 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, dwc2_hcd_urb_set_pipeinfo(hsotg, dwc2_urb, usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe), ep_type, usb_pipein(urb->pipe), - usb_maxpacket(urb->dev, urb->pipe, - !(usb_pipein(urb->pipe)))); + usb_endpoint_maxp(&ep->desc), + usb_endpoint_maxp_mult(&ep->desc)); buf = urb->transfer_buffer; diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index c089ffa1f0a8..ce6445a06588 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -171,7 +171,8 @@ struct dwc2_hcd_pipe_info { u8 ep_num; u8 pipe_type; u8 pipe_dir; - u16 mps; + u16 maxp; + u16 maxp_mult; }; struct dwc2_hcd_iso_packet_desc { @@ -264,6 +265,7 @@ struct dwc2_hs_transfer_time { * - USB_ENDPOINT_XFER_ISOC * @ep_is_in: Endpoint direction * @maxp: Value from wMaxPacketSize field of Endpoint Descriptor + * @maxp_mult: Multiplier for maxp * @dev_speed: Device speed. One of the following values: * - USB_SPEED_LOW * - USB_SPEED_FULL @@ -340,6 +342,7 @@ struct dwc2_qh { u8 ep_type; u8 ep_is_in; u16 maxp; + u16 maxp_mult; u8 dev_speed; u8 data_toggle; u8 ping_state; @@ -503,9 +506,14 @@ static inline u8 dwc2_hcd_get_pipe_type(struct dwc2_hcd_pipe_info *pipe) return pipe->pipe_type; } -static inline u16 dwc2_hcd_get_mps(struct dwc2_hcd_pipe_info *pipe) +static inline u16 dwc2_hcd_get_maxp(struct dwc2_hcd_pipe_info *pipe) +{ + return pipe->maxp; +} + +static inline u16 dwc2_hcd_get_maxp_mult(struct dwc2_hcd_pipe_info *pipe) { - return pipe->mps; + return pipe->maxp_mult; } static inline u8 dwc2_hcd_get_dev_addr(struct dwc2_hcd_pipe_info *pipe) @@ -620,12 +628,6 @@ static inline bool dbg_urb(struct urb *urb) static inline bool dbg_perio(void) { return false; } #endif -/* High bandwidth multiplier as encoded in highspeed endpoint descriptors */ -#define dwc2_hb_mult(wmaxpacketsize) (1 + (((wmaxpacketsize) >> 11) & 0x03)) - -/* Packet size for any kind of endpoint descriptor */ -#define dwc2_max_packet(wmaxpacketsize) ((wmaxpacketsize) & 0x07ff) - /* * Returns true if frame1 index is greater than frame2 index. The comparison * is done modulo FRLISTEN_64_SIZE. This accounts for the rollover of the diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c index 88b5dcf3aefc..a052d39b4375 100644 --- a/drivers/usb/dwc2/hcd_intr.c +++ b/drivers/usb/dwc2/hcd_intr.c @@ -1617,8 +1617,9 @@ static void dwc2_hc_ahberr_intr(struct dwc2_hsotg *hsotg, dev_err(hsotg->dev, " Speed: %s\n", speed); - dev_err(hsotg->dev, " Max packet size: %d\n", - dwc2_hcd_get_mps(&urb->pipe_info)); + dev_err(hsotg->dev, " Max packet size: %d (mult %d)\n", + dwc2_hcd_get_maxp(&urb->pipe_info), + dwc2_hcd_get_maxp_mult(&urb->pipe_info)); dev_err(hsotg->dev, " Data buffer length: %d\n", urb->length); dev_err(hsotg->dev, " Transfer buffer: %p, Transfer DMA: %08lx\n", urb->buf, (unsigned long)urb->dma); diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index ea3aa640c15c..68bbac64b753 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -708,7 +708,7 @@ static void dwc2_hs_pmap_unschedule(struct dwc2_hsotg *hsotg, static int dwc2_uframe_schedule_split(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) { - int bytecount = dwc2_hb_mult(qh->maxp) * dwc2_max_packet(qh->maxp); + int bytecount = qh->maxp_mult * qh->maxp; int ls_search_slice; int err = 0; int host_interval_in_sched; @@ -1332,7 +1332,7 @@ static int dwc2_check_max_xfer_size(struct dwc2_hsotg *hsotg, u32 max_channel_xfer_size; int status = 0; - max_xfer_size = dwc2_max_packet(qh->maxp) * dwc2_hb_mult(qh->maxp); + max_xfer_size = qh->maxp * qh->maxp_mult; max_channel_xfer_size = hsotg->params.max_transfer_size; if (max_xfer_size > max_channel_xfer_size) { @@ -1517,8 +1517,9 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, u32 prtspd = (hprt & HPRT0_SPD_MASK) >> HPRT0_SPD_SHIFT; bool do_split = (prtspd == HPRT0_SPD_HIGH_SPEED && dev_speed != USB_SPEED_HIGH); - int maxp = dwc2_hcd_get_mps(&urb->pipe_info); - int bytecount = dwc2_hb_mult(maxp) * dwc2_max_packet(maxp); + int maxp = dwc2_hcd_get_maxp(&urb->pipe_info); + int maxp_mult = dwc2_hcd_get_maxp_mult(&urb->pipe_info); + int bytecount = maxp_mult * maxp; char *speed, *type; /* Initialize QH */ @@ -1531,6 +1532,7 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, qh->data_toggle = DWC2_HC_PID_DATA0; qh->maxp = maxp; + qh->maxp_mult = maxp_mult; INIT_LIST_HEAD(&qh->qtd_list); INIT_LIST_HEAD(&qh->qh_list_entry); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 5bfb62533e0f..131028501752 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -636,9 +636,9 @@ struct dwc3_event_buffer { /** * struct dwc3_ep - device side endpoint representation * @endpoint: usb endpoint + * @cancelled_list: list of cancelled requests for this endpoint * @pending_list: list of pending requests for this endpoint * @started_list: list of started requests on this endpoint - * @wait_end_transfer: wait_queue_head_t for waiting on End Transfer complete * @lock: spinlock for endpoint request queue traversal * @regs: pointer to first endpoint register * @trb_pool: array of transaction buffers @@ -659,11 +659,10 @@ struct dwc3_event_buffer { */ struct dwc3_ep { struct usb_ep endpoint; + struct list_head cancelled_list; struct list_head pending_list; struct list_head started_list; - wait_queue_head_t wait_end_transfer; - spinlock_t lock; void __iomem *regs; @@ -847,11 +846,12 @@ struct dwc3_hwparams { * @epnum: endpoint number to which this request refers * @trb: pointer to struct dwc3_trb * @trb_dma: DMA address of @trb - * @unaligned: true for OUT endpoints with length not divisible by maxp + * @num_trbs: number of TRBs used by this request + * @needs_extra_trb: true when request needs one extra TRB (either due to ZLP + * or unaligned OUT) * @direction: IN or OUT direction flag * @mapped: true when request has been dma-mapped * @started: request is started - * @zero: wants a ZLP */ struct dwc3_request { struct usb_request request; @@ -867,11 +867,12 @@ struct dwc3_request { struct dwc3_trb *trb; dma_addr_t trb_dma; - unsigned unaligned:1; + unsigned num_trbs; + + unsigned needs_extra_trb:1; unsigned direction:1; unsigned mapped:1; unsigned started:1; - unsigned zero:1; }; /* diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 65ba1038b111..e7461c995116 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -177,8 +177,7 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep, req->started = false; list_del(&req->list); req->remaining = 0; - req->unaligned = false; - req->zero = false; + req->needs_extra_trb = false; if (req->request.status == -EINPROGRESS) req->request.status = status; @@ -640,8 +639,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action) reg |= DWC3_DALEPENA_EP(dep->number); dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); - init_waitqueue_head(&dep->wait_end_transfer); - if (usb_endpoint_xfer_control(desc)) goto out; @@ -1043,6 +1040,8 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, req->trb_dma = dwc3_trb_dma_offset(dep, trb); } + req->num_trbs++; + __dwc3_prepare_one_trb(dep, trb, dma, length, chain, node, stream_id, short_not_ok, no_interrupt); } @@ -1070,13 +1069,14 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep, struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; - req->unaligned = true; + req->needs_extra_trb = true; /* prepare normal TRB */ dwc3_prepare_one_trb(dep, req, true, i); /* Now prepare one extra TRB to align transfer size */ trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp - rem, false, 1, req->request.stream_id, @@ -1114,13 +1114,14 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; - req->unaligned = true; + req->needs_extra_trb = true; /* prepare normal TRB */ dwc3_prepare_one_trb(dep, req, true, 0); /* Now prepare one extra TRB to align transfer size */ trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp - rem, false, 1, req->request.stream_id, req->request.short_not_ok, @@ -1130,13 +1131,14 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep, struct dwc3 *dwc = dep->dwc; struct dwc3_trb *trb; - req->zero = true; + req->needs_extra_trb = true; /* prepare normal TRB */ dwc3_prepare_one_trb(dep, req, true, 0); /* Now prepare one extra TRB to handle ZLP */ trb = &dep->trb_pool[dep->trb_enqueue]; + req->num_trbs++; __dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, 0, false, 1, req->request.stream_id, req->request.short_not_ok, @@ -1338,6 +1340,42 @@ static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, return ret; } +static void dwc3_gadget_ep_skip_trbs(struct dwc3_ep *dep, struct dwc3_request *req) +{ + int i; + + /* + * If request was already started, this means we had to + * stop the transfer. With that we also need to ignore + * all TRBs used by the request, however TRBs can only + * be modified after completion of END_TRANSFER + * command. So what we do here is that we wait for + * END_TRANSFER completion and only after that, we jump + * over TRBs by clearing HWO and incrementing dequeue + * pointer. + */ + for (i = 0; i < req->num_trbs; i++) { + struct dwc3_trb *trb; + + trb = req->trb + i; + trb->ctrl &= ~DWC3_TRB_CTRL_HWO; + dwc3_ep_inc_deq(dep); + } + + req->num_trbs = 0; +} + +static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep) +{ + struct dwc3_request *req; + struct dwc3_request *tmp; + + list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) { + dwc3_gadget_ep_skip_trbs(dep, req); + dwc3_gadget_giveback(dep, req, -ECONNRESET); + } +} + static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, struct usb_request *request) { @@ -1368,68 +1406,11 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, /* wait until it is processed */ dwc3_stop_active_transfer(dep, true); - /* - * If request was already started, this means we had to - * stop the transfer. With that we also need to ignore - * all TRBs used by the request, however TRBs can only - * be modified after completion of END_TRANSFER - * command. So what we do here is that we wait for - * END_TRANSFER completion and only after that, we jump - * over TRBs by clearing HWO and incrementing dequeue - * pointer. - * - * Note that we have 2 possible types of transfers here: - * - * i) Linear buffer request - * ii) SG-list based request - * - * SG-list based requests will have r->num_pending_sgs - * set to a valid number (> 0). Linear requests, - * normally use a single TRB. - * - * For each of these two cases, if r->unaligned flag is - * set, one extra TRB has been used to align transfer - * size to wMaxPacketSize. - * - * All of these cases need to be taken into - * consideration so we don't mess up our TRB ring - * pointers. - */ - wait_event_lock_irq(dep->wait_end_transfer, - !(dep->flags & DWC3_EP_END_TRANSFER_PENDING), - dwc->lock); - if (!r->trb) goto out0; - if (r->num_pending_sgs) { - struct dwc3_trb *trb; - int i = 0; - - for (i = 0; i < r->num_pending_sgs; i++) { - trb = r->trb + i; - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - } - - if (r->unaligned || r->zero) { - trb = r->trb + r->num_pending_sgs + 1; - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - } - } else { - struct dwc3_trb *trb = r->trb; - - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - - if (r->unaligned || r->zero) { - trb = r->trb + 1; - trb->ctrl &= ~DWC3_TRB_CTRL_HWO; - dwc3_ep_inc_deq(dep); - } - } - goto out1; + dwc3_gadget_move_cancelled_request(req); + goto out0; } dev_err(dwc->dev, "request %pK was not queued to %s\n", request, ep->name); @@ -1437,9 +1418,6 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep, goto out0; } -out1: - /* giveback the request */ - dwc3_gadget_giveback(dep, req, -ECONNRESET); out0: @@ -1932,8 +1910,6 @@ static int dwc3_gadget_stop(struct usb_gadget *g) { struct dwc3 *dwc = gadget_to_dwc(g); unsigned long flags; - int epnum; - u32 tmo_eps = 0; spin_lock_irqsave(&dwc->lock, flags); @@ -1942,36 +1918,6 @@ static int dwc3_gadget_stop(struct usb_gadget *g) __dwc3_gadget_stop(dwc); - for (epnum = 2; epnum < DWC3_ENDPOINTS_NUM; epnum++) { - struct dwc3_ep *dep = dwc->eps[epnum]; - int ret; - - if (!dep) - continue; - - if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING)) - continue; - - ret = wait_event_interruptible_lock_irq_timeout(dep->wait_end_transfer, - !(dep->flags & DWC3_EP_END_TRANSFER_PENDING), - dwc->lock, msecs_to_jiffies(5)); - - if (ret <= 0) { - /* Timed out or interrupted! There's nothing much - * we can do so we just log here and print which - * endpoints timed out at the end. - */ - tmo_eps |= 1 << epnum; - dep->flags &= DWC3_EP_END_TRANSFER_PENDING; - } - } - - if (tmo_eps) { - dev_err(dwc->dev, - "end transfer timed out on endpoints 0x%x [bitmap]\n", - tmo_eps); - } - out: dwc->gadget_driver = NULL; spin_unlock_irqrestore(&dwc->lock, flags); @@ -2174,6 +2120,7 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum) INIT_LIST_HEAD(&dep->pending_list); INIT_LIST_HEAD(&dep->started_list); + INIT_LIST_HEAD(&dep->cancelled_list); return 0; } @@ -2233,6 +2180,7 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep, dwc3_ep_inc_deq(dep); trace_dwc3_complete_trb(dep, trb); + req->num_trbs--; /* * If we're in the middle of series of chained TRBs and we @@ -2252,7 +2200,8 @@ static int dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep, * with one TRB pending in the ring. We need to manually clear HWO bit * from that TRB. */ - if ((req->zero || req->unaligned) && !(trb->ctrl & DWC3_TRB_CTRL_CHN)) { + + if (req->needs_extra_trb && !(trb->ctrl & DWC3_TRB_CTRL_CHN)) { trb->ctrl &= ~DWC3_TRB_CTRL_HWO; return 1; } @@ -2329,11 +2278,10 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep, ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event, status); - if (req->unaligned || req->zero) { + if (req->needs_extra_trb) { ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event, status); - req->unaligned = false; - req->zero = false; + req->needs_extra_trb = false; } req->request.actual = req->request.length - req->remaining; @@ -2466,7 +2414,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, if (cmd == DWC3_DEPCMD_ENDTRANSFER) { dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING; - wake_up(&dep->wait_end_transfer); + dwc3_gadget_ep_cleanup_cancelled_requests(dep); } break; case DWC3_DEPEVT_STREAMEVT: diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 2aacd1afd9ff..023a473648eb 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -79,6 +79,21 @@ static inline void dwc3_gadget_move_started_request(struct dwc3_request *req) list_move_tail(&req->list, &dep->started_list); } +/** + * dwc3_gadget_move_cancelled_request - move @req to the cancelled_list + * @req: the request to be moved + * + * Caller should take care of locking. This function will move @req from its + * current list to the endpoint's cancelled_list. + */ +static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req) +{ + struct dwc3_ep *dep = req->dep; + + req->started = false; + list_move_tail(&req->list, &dep->cancelled_list); +} + void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, int status); diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index 0f026d445e31..0ef00315ec73 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -186,11 +186,12 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) out = dev->port_usb->out_ep; else out = NULL; - spin_unlock_irqrestore(&dev->lock, flags); if (!out) + { + spin_unlock_irqrestore(&dev->lock, flags); return -ENOTCONN; - + } /* Padding up to RX_EXTRA handles minor disagreements with host. * Normally we use the USB "terminate on short read" convention; @@ -214,6 +215,7 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) if (dev->port_usb->is_fixed) size = max_t(size_t, size, dev->port_usb->fixed_out_len); + spin_unlock_irqrestore(&dev->lock, flags); skb = __netdev_alloc_skb(dev->net, size + NET_IP_ALIGN, gfp_flags); if (skb == NULL) { diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index 263804d154a7..00e3f66836a9 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1342,12 +1342,15 @@ static const struct usb_gadget_ops fusb300_gadget_ops = { static int fusb300_remove(struct platform_device *pdev) { struct fusb300 *fusb300 = platform_get_drvdata(pdev); + int i; usb_del_gadget_udc(&fusb300->gadget); iounmap(fusb300->reg); free_irq(platform_get_irq(pdev, 0), fusb300); fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); + for (i = 0; i < FUSB300_MAX_NUM_EP; i++) + kfree(fusb300->ep[i]); kfree(fusb300); return 0; @@ -1491,6 +1494,8 @@ clean_up: if (fusb300->ep0_req) fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); + for (i = 0; i < FUSB300_MAX_NUM_EP; i++) + kfree(fusb300->ep[i]); kfree(fusb300); } if (reg) diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index b0781771704e..eafc2a00c96a 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -922,8 +922,7 @@ static struct lpc32xx_usbd_dd_gad *udc_dd_alloc(struct lpc32xx_udc *udc) dma_addr_t dma; struct lpc32xx_usbd_dd_gad *dd; - dd = (struct lpc32xx_usbd_dd_gad *) dma_pool_alloc( - udc->dd_cache, (GFP_KERNEL | GFP_DMA), &dma); + dd = dma_pool_alloc(udc->dd_cache, GFP_ATOMIC | GFP_DMA, &dma); if (dd) dd->this_dma = dma; diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c index cadc01336bf8..7ba6afc7ef23 100644 --- a/drivers/usb/host/xhci-debugfs.c +++ b/drivers/usb/host/xhci-debugfs.c @@ -440,6 +440,9 @@ void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, struct xhci_ep_priv *epriv; struct xhci_slot_priv *spriv = dev->debugfs_private; + if (!spriv) + return; + if (spriv->eps[ep_index]) return; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index b62953ee0fc6..f896a00662ef 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1604,8 +1604,13 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); } - if (hcd->speed >= HCD_USB3 && (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) + if (hcd->speed >= HCD_USB3 && + (portsc & PORT_PLS_MASK) == XDEV_INACTIVE) { + slot_id = xhci_find_slot_id_by_port(hcd, xhci, hcd_portnum + 1); + if (slot_id && xhci->devs[slot_id]) + xhci->devs[slot_id]->flags |= VDEV_PORT_ERROR; bus_state->port_remote_wakeup &= ~(1 << hcd_portnum); + } if ((portsc & PORT_PLC) && (portsc & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id); @@ -1793,6 +1798,14 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci, { struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index]; struct xhci_command *command; + + /* + * Avoid resetting endpoint if link is inactive. Can cause host hang. + * Device will be reset soon to recover the link so don't do anything + */ + if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR) + return; + command = xhci_alloc_command(xhci, false, GFP_ATOMIC); if (!command) return; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index f30b065095fa..4ffadca2c71a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1441,6 +1441,10 @@ static int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag xhci_dbg(xhci, "urb submitted during PCI suspend\n"); return -ESHUTDOWN; } + if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR) { + xhci_dbg(xhci, "Can't queue urb, port error, link inactive\n"); + return -ENODEV; + } if (usb_endpoint_xfer_isoc(&urb->ep->desc)) num_tds = urb->number_of_packets; @@ -3724,6 +3728,7 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd, } /* If necessary, update the number of active TTs on this root port */ xhci_update_tt_active_eps(xhci, virt_dev, old_active_eps); + virt_dev->flags = 0; ret = 0; command_cleanup: @@ -5030,16 +5035,26 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) } else { /* * Some 3.1 hosts return sbrn 0x30, use xhci supported protocol - * minor revision instead of sbrn + * minor revision instead of sbrn. Minor revision is a two digit + * BCD containing minor and sub-minor numbers, only show minor. */ - minor_rev = xhci->usb3_rhub.min_rev; - if (minor_rev) { + minor_rev = xhci->usb3_rhub.min_rev / 0x10; + + switch (minor_rev) { + case 2: + hcd->speed = HCD_USB32; + hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS; + hcd->self.root_hub->rx_lanes = 2; + hcd->self.root_hub->tx_lanes = 2; + break; + case 1: hcd->speed = HCD_USB31; hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS; + break; } - xhci_info(xhci, "Host supports USB 3.%x %s SuperSpeed\n", + xhci_info(xhci, "Host supports USB 3.%x %sSuperSpeed\n", minor_rev, - minor_rev ? "Enhanced" : ""); + minor_rev ? "Enhanced " : ""); xhci->usb3_rhub.hcd = hcd; /* xHCI private pointer was set in xhci_pci_probe for the second diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index dc00f59c8e69..761b341d27b0 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1010,6 +1010,15 @@ struct xhci_virt_device { u8 real_port; struct xhci_interval_bw_table *bw_table; struct xhci_tt_bw_info *tt_info; + /* + * flags for state tracking based on events and issued commands. + * Software can not rely on states from output contexts because of + * latency between events and xHC updating output context values. + * See xhci 1.1 section 4.8.3 for more details + */ + unsigned long flags; +#define VDEV_PORT_ERROR BIT(0) /* Port error, link inactive */ + /* The current max exit latency for the enabled USB3 link states. */ u16 current_mel; /* Used for the debugfs interfaces. */ diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 39fa2fc1b8b7..6036cbae8c78 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -802,9 +802,8 @@ static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map) } static void usbhsf_dma_complete(void *arg); -static void xfer_work(struct work_struct *work) +static void usbhsf_dma_xfer_preparing(struct usbhs_pkt *pkt) { - struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work); struct usbhs_pipe *pipe = pkt->pipe; struct usbhs_fifo *fifo; struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); @@ -812,12 +811,10 @@ static void xfer_work(struct work_struct *work) struct dma_chan *chan; struct device *dev = usbhs_priv_to_dev(priv); enum dma_transfer_direction dir; - unsigned long flags; - usbhs_lock(priv, flags); fifo = usbhs_pipe_to_fifo(pipe); if (!fifo) - goto xfer_work_end; + return; chan = usbhsf_dma_chan_get(fifo, pkt); dir = usbhs_pipe_is_dir_in(pipe) ? DMA_DEV_TO_MEM : DMA_MEM_TO_DEV; @@ -826,7 +823,7 @@ static void xfer_work(struct work_struct *work) pkt->trans, dir, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc) - goto xfer_work_end; + return; desc->callback = usbhsf_dma_complete; desc->callback_param = pipe; @@ -834,7 +831,7 @@ static void xfer_work(struct work_struct *work) pkt->cookie = dmaengine_submit(desc); if (pkt->cookie < 0) { dev_err(dev, "Failed to submit dma descriptor\n"); - goto xfer_work_end; + return; } dev_dbg(dev, " %s %d (%d/ %d)\n", @@ -845,8 +842,17 @@ static void xfer_work(struct work_struct *work) dma_async_issue_pending(chan); usbhsf_dma_start(pipe, fifo); usbhs_pipe_enable(pipe); +} + +static void xfer_work(struct work_struct *work) +{ + struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work); + struct usbhs_pipe *pipe = pkt->pipe; + struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); + unsigned long flags; -xfer_work_end: + usbhs_lock(priv, flags); + usbhsf_dma_xfer_preparing(pkt); usbhs_unlock(priv, flags); } @@ -899,8 +905,13 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; usbhsf_tx_irq_ctrl(pipe, 0); - INIT_WORK(&pkt->work, xfer_work); - schedule_work(&pkt->work); + /* FIXME: Workaound for usb dmac that driver can be used in atomic */ + if (usbhs_get_dparam(priv, has_usb_dmac)) { + usbhsf_dma_xfer_preparing(pkt); + } else { + INIT_WORK(&pkt->work, xfer_work); + schedule_work(&pkt->work); + } return 0; @@ -1006,8 +1017,7 @@ static int usbhsf_dma_prepare_pop_with_usb_dmac(struct usbhs_pkt *pkt, pkt->trans = pkt->length; - INIT_WORK(&pkt->work, xfer_work); - schedule_work(&pkt->work); + usbhsf_dma_xfer_preparing(pkt); return 0; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c0dc4bc776db..e18735e00463 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1019,6 +1019,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) }, /* EZPrototypes devices */ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) }, + { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 5755f0df0025..f12d806220b4 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1543,3 +1543,9 @@ #define CHETCO_SEASMART_DISPLAY_PID 0xA5AD /* SeaSmart NMEA2000 Display */ #define CHETCO_SEASMART_LITE_PID 0xA5AE /* SeaSmart Lite USB Adapter */ #define CHETCO_SEASMART_ANALOG_PID 0xA5AF /* SeaSmart Analog Adapter */ + +/* + * Unjo AB + */ +#define UNJO_VID 0x22B7 +#define UNJO_ISODEBUG_V1_PID 0x150D diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index d8c474b386a8..e0a4749ba565 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1171,6 +1171,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x1260), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x1261), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1900), /* Telit LN940 (QMI) */ .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */ @@ -1339,6 +1343,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0601, 0xff) }, /* GosunCn ZTE WeLink ME3630 (RNDIS mode) */ { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0602, 0xff) }, /* GosunCn ZTE WeLink ME3630 (MBIM mode) */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff), .driver_info = RSVD(4) }, @@ -1772,6 +1777,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E), .driver_info = RSVD(5) | RSVD(6) }, { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */ + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff), /* Simcom SIM7500/SIM7600 RNDIS mode */ + .driver_info = RSVD(7) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D), diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 5a6df6e9ad57..5d7b21ea6238 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -106,6 +106,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, + { USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 559941ca884d..b0175f17d1a2 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -155,3 +155,6 @@ #define SMART_VENDOR_ID 0x0b8c #define SMART_PRODUCT_ID 0x2303 +/* Allied Telesis VT-Kit3 */ +#define AT_VENDOR_ID 0x0caa +#define AT_VTKIT3_PRODUCT_ID 0x3001 diff --git a/drivers/usb/storage/unusual_realtek.h b/drivers/usb/storage/unusual_realtek.h index 6b2140f966ef..7e14c2d7cf73 100644 --- a/drivers/usb/storage/unusual_realtek.h +++ b/drivers/usb/storage/unusual_realtek.h @@ -17,6 +17,11 @@ UNUSUAL_DEV(0x0bda, 0x0138, 0x0000, 0x9999, "USB Card Reader", USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0), +UNUSUAL_DEV(0x0bda, 0x0153, 0x0000, 0x9999, + "Realtek", + "USB Card Reader", + USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0), + UNUSUAL_DEV(0x0bda, 0x0158, 0x0000, 0x9999, "Realtek", "USB Card Reader", diff --git a/drivers/usb/typec/fusb302/fusb302.c b/drivers/usb/typec/fusb302/fusb302.c index 82bed9810be6..62a0060d39d8 100644 --- a/drivers/usb/typec/fusb302/fusb302.c +++ b/drivers/usb/typec/fusb302/fusb302.c @@ -641,6 +641,8 @@ static int fusb302_set_toggling(struct fusb302_chip *chip, return ret; chip->intr_togdone = false; } else { + /* Datasheet says vconn MUST be off when toggling */ + WARN(chip->vconn_on, "Vconn is on during toggle start"); /* unmask TOGDONE interrupt */ ret = fusb302_i2c_clear_bits(chip, FUSB_REG_MASKA, FUSB_REG_MASKA_TOGDONE); diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index eb8046f87a54..987b8fcfb2aa 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -39,7 +39,7 @@ #define TPS_STATUS_VCONN(s) (!!((s) & BIT(7))) /* TPS_REG_SYSTEM_CONF bits */ -#define TPS_SYSCONF_PORTINFO(c) ((c) & 3) +#define TPS_SYSCONF_PORTINFO(c) ((c) & 7) enum { TPS_PORTINFO_SINK, @@ -111,7 +111,7 @@ tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len) } static int tps6598x_block_write(struct tps6598x *tps, u8 reg, - void *val, size_t len) + const void *val, size_t len) { u8 data[TPS_MAX_LEN + 1]; @@ -157,7 +157,7 @@ static inline int tps6598x_write64(struct tps6598x *tps, u8 reg, u64 val) static inline int tps6598x_write_4cc(struct tps6598x *tps, u8 reg, const char *val) { - return tps6598x_block_write(tps, reg, &val, sizeof(u32)); + return tps6598x_block_write(tps, reg, val, 4); } static int tps6598x_read_partner_identity(struct tps6598x *tps) |