usb: dwc3: gadget: cache frame number in struct dwc3_ep
This is in preparation to simplifying prototype of __dwc3_gadget_kick_transfer(). Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -529,6 +529,7 @@ struct dwc3_event_buffer {
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* @number: endpoint number (1 - 15)
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* @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK
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* @resource_index: Resource transfer index
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* @frame_number: set to the frame number we want this transfer to start (ISOC)
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* @interval: the interval on which the ISOC transfer is started
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* @allocated_requests: number of requests allocated
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* @queued_requests: number of requests queued for transfer
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@ -581,6 +582,7 @@ struct dwc3_ep {
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u8 resource_index;
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u32 allocated_requests;
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u32 queued_requests;
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u32 frame_number;
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u32 interval;
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char name[20];
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@ -1258,8 +1258,6 @@ static int __dwc3_gadget_get_frame(struct dwc3 *dwc)
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static void __dwc3_gadget_start_isoc(struct dwc3 *dwc,
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struct dwc3_ep *dep, u32 cur_uf)
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{
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u32 uf;
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if (list_empty(&dep->pending_list)) {
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dev_info(dwc->dev, "%s: ran out of requests\n",
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dep->name);
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@ -1271,9 +1269,8 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc,
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* Schedule the first trb for one interval in the future or at
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* least 4 microframes.
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*/
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uf = cur_uf + max_t(u32, 4, dep->interval);
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__dwc3_gadget_kick_transfer(dep, uf);
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dep->frame_number = cur_uf + max_t(u32, 4, dep->interval);
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__dwc3_gadget_kick_transfer(dep, dep->frame_number);
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}
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static void dwc3_gadget_start_isoc(struct dwc3 *dwc,
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