diff options
| -rw-r--r-- | drivers/usb/gadget/function/f_gsi.c | 62 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_gsi.h | 4 |
2 files changed, 30 insertions, 36 deletions
diff --git a/drivers/usb/gadget/function/f_gsi.c b/drivers/usb/gadget/function/f_gsi.c index e46edc83430c..be532503954f 100644 --- a/drivers/usb/gadget/function/f_gsi.c +++ b/drivers/usb/gadget/function/f_gsi.c @@ -148,15 +148,10 @@ int gsi_wakeup_host(struct f_gsi *gsi) struct usb_function *func; func = &gsi->function; - gadget = gsi->function.config->cdev->gadget; + gadget = gsi->gadget; log_event_dbg("Entering %s", __func__); - if (!gadget) { - log_event_err("FAILED: d_port->cdev->gadget == NULL"); - return -ENODEV; - } - /* * In Super-Speed mode, remote wakeup is not allowed for suspended * functions which have been disallowed by the host to issue Function @@ -276,7 +271,7 @@ static int ipa_connect_channels(struct gsi_data_port *d_port) &d_port->ipa_out_channel_params; struct ipa_usb_xdci_connect_params *conn_params = &d_port->ipa_conn_pms; - struct usb_composite_dev *cdev = gsi->function.config->cdev; + struct usb_gadget *gadget = gsi->gadget; struct gsi_channel_info gsi_channel_info; struct ipa_req_chan_out_params ipa_in_channel_out_params; struct ipa_req_chan_out_params ipa_out_channel_out_params; @@ -366,7 +361,7 @@ static int ipa_connect_channels(struct gsi_data_port *d_port) /* Populate connection params */ conn_params->max_pkt_size = - (cdev->gadget->speed == USB_SPEED_SUPER) ? + (gadget->speed == USB_SPEED_SUPER) ? IPA_USB_SUPER_SPEED_1024B : IPA_USB_HIGH_SPEED_512B; conn_params->ipa_to_usb_xferrscidx = d_port->in_xfer_rsc_index; @@ -392,7 +387,7 @@ static int ipa_connect_channels(struct gsi_data_port *d_port) conn_params->teth_prot_params.max_packet_number_to_dev = DEFAULT_MAX_PKT_PER_XFER; conn_params->max_supported_bandwidth_mbps = - (cdev->gadget->speed == USB_SPEED_SUPER) ? 3600 : 400; + (gadget->speed == USB_SPEED_SUPER) ? 3600 : 400; memset(&ipa_in_channel_out_params, 0x0, sizeof(ipa_in_channel_out_params)); @@ -604,12 +599,12 @@ static void ipa_work_handler(struct work_struct *w) { struct gsi_data_port *d_port = container_of(w, struct gsi_data_port, usb_ipa_w); + struct f_gsi *gsi = d_port_to_gsi(d_port); u8 event; int ret = 0; - struct usb_gadget *gadget = d_port->gadget; + struct usb_gadget *gadget = gsi->gadget; struct device *dev; struct device *gad_dev; - struct f_gsi *gsi; event = read_event(d_port); @@ -636,7 +631,7 @@ static void ipa_work_handler(struct work_struct *w) break; case STATE_INITIALIZED: if (event == EVT_CONNECT_IN_PROGRESS) { - usb_gadget_autopm_get(d_port->gadget); + usb_gadget_autopm_get(gadget); log_event_dbg("%s: get = %d", __func__, atomic_read(&gad_dev->power.usage_count)); /* allocate buffers used with each TRB */ @@ -661,7 +656,7 @@ static void ipa_work_handler(struct work_struct *w) * EVT_HOST_READY is posted to the state machine * in the handler for this msg. */ - usb_gadget_autopm_get(d_port->gadget); + usb_gadget_autopm_get(gadget); log_event_dbg("%s: get = %d", __func__, atomic_read(&gad_dev->power.usage_count)); /* allocate buffers used with each TRB */ @@ -716,7 +711,7 @@ static void ipa_work_handler(struct work_struct *w) read_event(d_port); ipa_disconnect_work_handler(d_port); d_port->sm_state = STATE_INITIALIZED; - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_CON_IN_PROG_EVT_SUS_DIS", __func__); log_event_dbg("%s: put_async1 = %d", __func__, @@ -726,7 +721,7 @@ static void ipa_work_handler(struct work_struct *w) } ret = ipa_suspend_work_handler(d_port); if (!ret) { - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_CON_IN_PROG_EVT_SUS", __func__); log_event_dbg("%s: put_async2 = %d", __func__, @@ -736,7 +731,7 @@ static void ipa_work_handler(struct work_struct *w) } else if (event == EVT_DISCONNECTED) { ipa_disconnect_work_handler(d_port); d_port->sm_state = STATE_INITIALIZED; - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_CON_IN_PROG_EVT_DIS", __func__); log_event_dbg("%s: put_async3 = %d", @@ -760,7 +755,7 @@ static void ipa_work_handler(struct work_struct *w) ipa_disconnect_work_handler(d_port); d_port->sm_state = STATE_INITIALIZED; - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_CON_EVT_DIS", __func__); log_event_dbg("%s: put_async4 = %d", __func__, atomic_read( @@ -770,7 +765,7 @@ static void ipa_work_handler(struct work_struct *w) read_event(d_port); ipa_disconnect_work_handler(d_port); d_port->sm_state = STATE_INITIALIZED; - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_CON_EVT_SUS_DIS", __func__); log_event_dbg("%s: put_async5 = %d", @@ -780,7 +775,7 @@ static void ipa_work_handler(struct work_struct *w) } ret = ipa_suspend_work_handler(d_port); if (!ret) { - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_CON_EVT_SUS", __func__); log_event_dbg("%s: put_async6 = %d", @@ -805,7 +800,7 @@ static void ipa_work_handler(struct work_struct *w) case STATE_SUSPEND_IN_PROGRESS: if (event == EVT_IPA_SUSPEND) { d_port->sm_state = STATE_SUSPENDED; - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_SUS_IN_PROG_EVT_IPA_SUS", __func__); log_event_dbg("%s: put_async6 = %d", @@ -820,7 +815,7 @@ static void ipa_work_handler(struct work_struct *w) * after IPA disconnect is done in disconnect work * (due to cable disconnect) or in suspended state. */ - usb_gadget_autopm_get_noresume(d_port->gadget); + usb_gadget_autopm_get_noresume(gadget); log_event_dbg("%s: ST_SUS_IN_PROG_EVT_RES", __func__); log_event_dbg("%s: get_nores1 = %d", __func__, atomic_read( @@ -828,7 +823,7 @@ static void ipa_work_handler(struct work_struct *w) } else if (event == EVT_DISCONNECTED) { ipa_disconnect_work_handler(d_port); d_port->sm_state = STATE_INITIALIZED; - usb_gadget_autopm_put_async(d_port->gadget); + usb_gadget_autopm_put_async(gadget); log_event_dbg("%s: ST_SUS_IN_PROG_EVT_DIS", __func__); log_event_dbg("%s: put_async7 = %d", __func__, atomic_read( @@ -838,7 +833,7 @@ static void ipa_work_handler(struct work_struct *w) case STATE_SUSPENDED: if (event == EVT_RESUMED) { - usb_gadget_autopm_get(d_port->gadget); + usb_gadget_autopm_get(gadget); log_event_dbg("%s: ST_SUS_EVT_RES", __func__); log_event_dbg("%s: get = %d", __func__, atomic_read(&gad_dev->power.usage_count)); @@ -1425,7 +1420,6 @@ static int gsi_ctrl_send_notification(struct f_gsi *gsi) __le32 *data; struct usb_cdc_notification *event; struct usb_request *req = gsi->c_port.notify_req; - struct usb_composite_dev *cdev = gsi->function.config->cdev; struct gsi_ctrl_pkt *cpkt; unsigned long flags; bool del_free_cpkt = false; @@ -1472,11 +1466,11 @@ static int gsi_ctrl_send_notification(struct f_gsi *gsi) /* SPEED_CHANGE data is up/down speeds in bits/sec */ data = req->buf + sizeof(*event); - data[0] = cpu_to_le32(gsi_xfer_bitrate(cdev->gadget)); + data[0] = cpu_to_le32(gsi_xfer_bitrate(gsi->gadget)); data[1] = data[0]; log_event_dbg("notify speed %d", - gsi_xfer_bitrate(cdev->gadget)); + gsi_xfer_bitrate(gsi->gadget)); break; case GSI_CTRL_NOTIFY_OFFLINE: del_free_cpkt = true; @@ -1868,10 +1862,10 @@ static int gsi_alloc_trb_buffer(struct f_gsi *gsi) len_in = gsi->d_port.in_request.buf_len * gsi->d_port.in_request.num_bufs; gsi->d_port.in_request.buf_base_addr = - dma_zalloc_coherent(gsi->d_port.gadget->dev.parent, + dma_zalloc_coherent(gsi->gadget->dev.parent, len_in, &gsi->d_port.in_request.dma, GFP_KERNEL); if (!gsi->d_port.in_request.buf_base_addr) { - dev_err(&gsi->d_port.gadget->dev, + dev_err(&gsi->gadget->dev, "IN buf_base_addr allocate failed %s\n", gsi->function.name); ret = -ENOMEM; @@ -1887,10 +1881,10 @@ static int gsi_alloc_trb_buffer(struct f_gsi *gsi) len_out = gsi->d_port.out_request.buf_len * gsi->d_port.out_request.num_bufs; gsi->d_port.out_request.buf_base_addr = - dma_zalloc_coherent(gsi->d_port.gadget->dev.parent, + dma_zalloc_coherent(gsi->gadget->dev.parent, len_out, &gsi->d_port.out_request.dma, GFP_KERNEL); if (!gsi->d_port.out_request.buf_base_addr) { - dev_err(&gsi->d_port.gadget->dev, + dev_err(&gsi->gadget->dev, "OUT buf_base_addr allocate failed %s\n", gsi->function.name); ret = -ENOMEM; @@ -1903,7 +1897,7 @@ static int gsi_alloc_trb_buffer(struct f_gsi *gsi) fail: if (len_in && gsi->d_port.in_request.buf_base_addr) { - dma_free_coherent(gsi->d_port.gadget->dev.parent, len_in, + dma_free_coherent(gsi->gadget->dev.parent, len_in, gsi->d_port.in_request.buf_base_addr, gsi->d_port.in_request.dma); gsi->d_port.in_request.buf_base_addr = NULL; @@ -1922,7 +1916,7 @@ static void gsi_free_trb_buffer(struct f_gsi *gsi) gsi->d_port.out_request.buf_base_addr) { len = gsi->d_port.out_request.buf_len * gsi->d_port.out_request.num_bufs; - dma_free_coherent(gsi->d_port.gadget->dev.parent, len, + dma_free_coherent(gsi->gadget->dev.parent, len, gsi->d_port.out_request.buf_base_addr, gsi->d_port.out_request.dma); gsi->d_port.out_request.buf_base_addr = NULL; @@ -1932,7 +1926,7 @@ static void gsi_free_trb_buffer(struct f_gsi *gsi) gsi->d_port.in_request.buf_base_addr) { len = gsi->d_port.in_request.buf_len * gsi->d_port.in_request.num_bufs; - dma_free_coherent(gsi->d_port.gadget->dev.parent, len, + dma_free_coherent(gsi->gadget->dev.parent, len, gsi->d_port.in_request.buf_base_addr, gsi->d_port.in_request.dma); gsi->d_port.in_request.buf_base_addr = NULL; @@ -2035,7 +2029,7 @@ static int gsi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) GSI_EP_OP_CONFIG); } - gsi->d_port.gadget = cdev->gadget; + gsi->gadget = cdev->gadget; if (gsi->prot_id == IPA_USB_RNDIS) { gsi_rndis_open(gsi); diff --git a/drivers/usb/gadget/function/f_gsi.h b/drivers/usb/gadget/function/f_gsi.h index 3baf65572afc..262a60e8a450 100644 --- a/drivers/usb/gadget/function/f_gsi.h +++ b/drivers/usb/gadget/function/f_gsi.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. + * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved. * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -192,7 +192,6 @@ struct gsi_data_port { struct usb_ep *out_ep; struct usb_gsi_request in_request; struct usb_gsi_request out_request; - struct usb_gadget *gadget; int (*ipa_usb_notify_cb)(enum ipa_usb_notify_event, void *driver_data); struct ipa_usb_teth_params ipa_init_params; int in_channel_handle; @@ -228,6 +227,7 @@ struct gsi_data_port { struct f_gsi { struct usb_function function; + struct usb_gadget *gadget; enum ipa_usb_teth_prot prot_id; int ctrl_id; int data_id; |