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https://github.com/brain-hackers/u-boot-brain
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f_sdp: Add EP1_OUT as default data receive pipe in sdp
EP0 has been used to transfer file data in sdp before, but the max packetsize of ep0 is 64 bytes. So in order to improve the file transfer speed, here add the EP1_OUT interrupt endpoint which max packetsize is set to 1024 byte. After testing, it turns out that using ep1out is twice as fast as using ep0 while receiving data in sdp. Signed-off-by: Sherry Sun <sherry.sun@nxp.com> Reviewed-by: Ye Li <ye.li@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Sherry Sun
Marek Vasut
parent
27c803848b
commit
9e06c5c55a
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@ -71,6 +71,8 @@ struct hid_report {
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#define SDP_COMMAND_LEN 16
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#define SDP_HID_PACKET_SIZE_EP1 1024
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#define SDP_EXIT 1
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struct sdp_command {
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@ -84,8 +86,10 @@ struct sdp_command {
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enum sdp_state {
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SDP_STATE_IDLE,
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SDP_STATE_RX_CMD,
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SDP_STATE_RX_DCD_DATA,
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SDP_STATE_RX_FILE_DATA,
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SDP_STATE_RX_FILE_DATA_BUSY,
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SDP_STATE_TX_SEC_CONF,
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SDP_STATE_TX_SEC_CONF_BUSY,
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SDP_STATE_TX_REGISTER,
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@ -116,8 +120,12 @@ struct f_sdp {
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/* EP1 IN */
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struct usb_ep *in_ep;
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struct usb_request *in_req;
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/* EP1 OUT */
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struct usb_ep *out_ep;
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struct usb_request *out_req;
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bool configuration_done;
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bool ep_int_enable;
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};
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static struct f_sdp *sdp_func;
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@ -131,7 +139,7 @@ static struct usb_interface_descriptor sdp_intf_runtime = {
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.bLength = sizeof(sdp_intf_runtime),
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.bDescriptorType = USB_DT_INTERFACE,
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.bAlternateSetting = 0,
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.bNumEndpoints = 1,
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.bNumEndpoints = 2,
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.bInterfaceClass = USB_CLASS_HID,
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.bInterfaceSubClass = 0,
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.bInterfaceProtocol = 0,
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@ -161,6 +169,16 @@ static struct usb_endpoint_descriptor in_desc = {
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.bInterval = 1,
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};
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static struct usb_endpoint_descriptor out_desc = {
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.bLength = USB_DT_ENDPOINT_SIZE,
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.bDescriptorType = USB_DT_ENDPOINT, /*USB_DT_CS_ENDPOINT*/
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.bEndpointAddress = 1 | USB_DIR_OUT,
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.bmAttributes = USB_ENDPOINT_XFER_INT,
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.wMaxPacketSize = 64,
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.bInterval = 1,
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};
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static struct usb_endpoint_descriptor in_hs_desc = {
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.bLength = USB_DT_ENDPOINT_SIZE,
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.bDescriptorType = USB_DT_ENDPOINT, /*USB_DT_CS_ENDPOINT*/
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@ -171,10 +189,21 @@ static struct usb_endpoint_descriptor in_hs_desc = {
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.bInterval = 1,
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};
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static struct usb_endpoint_descriptor out_hs_desc = {
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.bLength = USB_DT_ENDPOINT_SIZE,
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.bDescriptorType = USB_DT_ENDPOINT, /*USB_DT_CS_ENDPOINT*/
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.bEndpointAddress = 1 | USB_DIR_OUT,
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.bmAttributes = USB_ENDPOINT_XFER_INT,
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.wMaxPacketSize = SDP_HID_PACKET_SIZE_EP1,
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.bInterval = 1,
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};
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static struct usb_descriptor_header *sdp_runtime_descs[] = {
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(struct usb_descriptor_header *)&sdp_intf_runtime,
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(struct usb_descriptor_header *)&sdp_hid_desc,
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(struct usb_descriptor_header *)&in_desc,
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(struct usb_descriptor_header *)&out_desc,
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NULL,
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};
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@ -182,6 +211,7 @@ static struct usb_descriptor_header *sdp_runtime_hs_descs[] = {
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(struct usb_descriptor_header *)&sdp_intf_runtime,
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(struct usb_descriptor_header *)&sdp_hid_desc,
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(struct usb_descriptor_header *)&in_hs_desc,
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(struct usb_descriptor_header *)&out_hs_desc,
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NULL,
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};
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@ -347,7 +377,7 @@ static void sdp_rx_data_complete(struct usb_ep *ep, struct usb_request *req)
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int status = req->status;
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u8 *data = req->buf;
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u8 report = data[0];
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int datalen = req->length - 1;
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int datalen = req->actual - 1;
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if (status != 0) {
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pr_err("Status: %d\n", status);
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@ -370,13 +400,15 @@ static void sdp_rx_data_complete(struct usb_ep *ep, struct usb_request *req)
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sdp->dnl_bytes_remaining -= datalen;
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}
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if (sdp->state == SDP_STATE_RX_FILE_DATA) {
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if (sdp->state == SDP_STATE_RX_FILE_DATA_BUSY) {
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memcpy(sdp_ptr(sdp->dnl_address), req->buf + 1, datalen);
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sdp->dnl_address += datalen;
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}
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if (sdp->dnl_bytes_remaining)
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if (sdp->dnl_bytes_remaining) {
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sdp->state = SDP_STATE_RX_FILE_DATA;
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return;
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}
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#ifndef CONFIG_SPL_BUILD
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env_set_hex("filesize", sdp->dnl_bytes);
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@ -384,7 +416,7 @@ static void sdp_rx_data_complete(struct usb_ep *ep, struct usb_request *req)
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printf("done\n");
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switch (sdp->state) {
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case SDP_STATE_RX_FILE_DATA:
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case SDP_STATE_RX_FILE_DATA_BUSY:
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sdp->state = SDP_STATE_TX_SEC_CONF;
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break;
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case SDP_STATE_RX_DCD_DATA:
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@ -465,10 +497,12 @@ static int sdp_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
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case 1:
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value = SDP_COMMAND_LEN + 1;
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req->complete = sdp_rx_command_complete;
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sdp_func->ep_int_enable = false;
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break;
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case 2:
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value = len;
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req->complete = sdp_rx_data_complete;
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sdp_func->state = SDP_STATE_RX_FILE_DATA_BUSY;
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break;
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}
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}
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@ -499,11 +533,17 @@ static int sdp_bind(struct usb_configuration *c, struct usb_function *f)
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return id;
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sdp_intf_runtime.bInterfaceNumber = id;
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struct usb_ep *ep;
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struct usb_ep *ep_in, *ep_out;
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/* allocate instance-specific endpoints */
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ep = usb_ep_autoconfig(gadget, &in_desc);
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if (!ep) {
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ep_in = usb_ep_autoconfig(gadget, &in_desc);
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if (!ep_in) {
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rv = -ENODEV;
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goto error;
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}
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ep_out = usb_ep_autoconfig(gadget, &out_desc);
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if (!ep_out) {
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rv = -ENODEV;
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goto error;
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}
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@ -511,9 +551,11 @@ static int sdp_bind(struct usb_configuration *c, struct usb_function *f)
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if (gadget_is_dualspeed(gadget)) {
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/* Assume endpoint addresses are the same for both speeds */
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in_hs_desc.bEndpointAddress = in_desc.bEndpointAddress;
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out_hs_desc.bEndpointAddress = out_desc.bEndpointAddress;
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}
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sdp->in_ep = ep; /* Store IN EP for enabling @ setup */
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sdp->in_ep = ep_in; /* Store IN EP for enabling @ setup */
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sdp->out_ep = ep_out;
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cdev->req->context = sdp;
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@ -546,18 +588,29 @@ static struct usb_request *alloc_ep_req(struct usb_ep *ep, unsigned length)
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}
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static struct usb_request *sdp_start_ep(struct usb_ep *ep)
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static struct usb_request *sdp_start_ep(struct usb_ep *ep, bool in)
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{
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struct usb_request *req;
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req = alloc_ep_req(ep, 65);
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if (in)
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req = alloc_ep_req(ep, 65);
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else
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req = alloc_ep_req(ep, 2048);
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/*
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* OUT endpoint request length should be an integral multiple of
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* maxpacket size 1024, else we break on certain controllers like
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* DWC3 that expect bulk OUT requests to be divisible by maxpacket size.
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*/
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debug("%s: ep:%p req:%p\n", __func__, ep, req);
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if (!req)
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return NULL;
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memset(req->buf, 0, req->length);
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req->complete = sdp_tx_complete;
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if (in)
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req->complete = sdp_tx_complete;
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else
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req->complete = sdp_rx_command_complete;
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return req;
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}
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@ -570,19 +623,27 @@ static int sdp_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
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debug("%s: intf: %d alt: %d\n", __func__, intf, alt);
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if (gadget_is_dualspeed(gadget) && gadget->speed == USB_SPEED_HIGH)
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if (gadget_is_dualspeed(gadget) && gadget->speed == USB_SPEED_HIGH) {
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result = usb_ep_enable(sdp->in_ep, &in_hs_desc);
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else
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result |= usb_ep_enable(sdp->out_ep, &out_hs_desc);
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} else {
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result = usb_ep_enable(sdp->in_ep, &in_desc);
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result |= usb_ep_enable(sdp->out_ep, &out_desc);
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}
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if (result)
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return result;
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sdp->in_req = sdp_start_ep(sdp->in_ep);
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sdp->in_req = sdp_start_ep(sdp->in_ep, true);
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sdp->in_req->context = sdp;
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sdp->out_req = sdp_start_ep(sdp->out_ep, false);
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sdp->out_req->context = sdp;
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sdp->in_ep->driver_data = cdev; /* claim */
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sdp->out_ep->driver_data = cdev; /* claim */
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sdp->altsetting = alt;
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sdp->state = SDP_STATE_IDLE;
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sdp->ep_int_enable = true;
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return 0;
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}
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@ -599,11 +660,18 @@ static void sdp_disable(struct usb_function *f)
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struct f_sdp *sdp = func_to_sdp(f);
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usb_ep_disable(sdp->in_ep);
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usb_ep_disable(sdp->out_ep);
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if (sdp->in_req) {
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free(sdp->in_req);
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free(sdp->in_req->buf);
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usb_ep_free_request(sdp->in_ep, sdp->in_req);
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sdp->in_req = NULL;
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}
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if (sdp->out_req) {
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free(sdp->out_req->buf);
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usb_ep_free_request(sdp->out_ep, sdp->out_req);
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sdp->out_req = NULL;
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}
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}
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static int sdp_bind_config(struct usb_configuration *c)
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@ -818,6 +886,27 @@ static int sdp_handle_in_ep(struct spl_image_info *spl_image)
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return 0;
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}
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static void sdp_handle_out_ep(void)
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{
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int rc;
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if (sdp_func->state == SDP_STATE_IDLE) {
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sdp_func->out_req->complete = sdp_rx_command_complete;
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rc = usb_ep_queue(sdp_func->out_ep, sdp_func->out_req, 0);
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if (rc)
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printf("error in submission: %s\n",
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sdp_func->out_ep->name);
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sdp_func->state = SDP_STATE_RX_CMD;
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} else if (sdp_func->state == SDP_STATE_RX_FILE_DATA) {
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sdp_func->out_req->complete = sdp_rx_data_complete;
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rc = usb_ep_queue(sdp_func->out_ep, sdp_func->out_req, 0);
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if (rc)
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printf("error in submission: %s\n",
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sdp_func->out_ep->name);
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sdp_func->state = SDP_STATE_RX_FILE_DATA_BUSY;
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}
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}
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#ifndef CONFIG_SPL_BUILD
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int sdp_handle(int controller_index)
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#else
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@ -843,6 +932,8 @@ int spl_sdp_handle(int controller_index, struct spl_image_info *spl_image)
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#else
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flag = sdp_handle_in_ep(NULL);
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#endif
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if (sdp_func->ep_int_enable)
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sdp_handle_out_ep();
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}
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}
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