usb: dwc3: ep0: use gadget->isoch_delay for isoch_delay value
Instead of keeping our own isoch_delay, let's make use of the newly introduced isoch_delay member in struct usb_gadget. The benefit here is that we would be using a generic "API" which other UDCs can use, resulting in a common setup for gadget drivers who may be interested in Isoch Delay value. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -796,7 +796,6 @@ struct dwc3_scratchpad_array {
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* @usb2_generic_phy: pointer to USB2 PHY
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* @usb3_generic_phy: pointer to USB3 PHY
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* @ulpi: pointer to ulpi interface
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* @isoch_delay: wValue from Set Isochronous Delay request;
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* @u2sel: parameter from Set SEL request.
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* @u2pel: parameter from Set SEL request.
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* @u1sel: parameter from Set SEL request.
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@ -955,7 +954,6 @@ struct dwc3 {
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enum dwc3_ep0_state ep0state;
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enum dwc3_link_state link_state;
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u16 isoch_delay;
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u16 u2sel;
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u16 u2pel;
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u8 u1sel;
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@ -736,11 +736,7 @@ static int dwc3_ep0_set_isoch_delay(struct dwc3 *dwc, struct usb_ctrlrequest *ct
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if (wIndex || wLength)
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return -EINVAL;
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/*
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* REVISIT It's unclear from Databook what to do with this
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* value. For now, just cache it.
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*/
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dwc->isoch_delay = wValue;
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dwc->gadget.isoch_delay = wValue;
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return 0;
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}
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