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usb: dwc3: ep0: use gadget->isoch_delay for isoch_delay value

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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>
This commit is contained in:
Felipe Balbi 2017-11-14 12:29:33 +02:00
parent c7000aa030
commit 19e0b203bf
2 changed files with 1 additions and 7 deletions
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2
drivers/usb/dwc3/core.h
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@ -796,7 +796,6 @@ struct dwc3_scratchpad_array {
* @usb2_generic_phy: pointer to USB2 PHY
* @usb3_generic_phy: pointer to USB3 PHY
* @ulpi: pointer to ulpi interface
* @isoch_delay: wValue from Set Isochronous Delay request;
* @u2sel: parameter from Set SEL request.
* @u2pel: parameter from Set SEL request.
* @u1sel: parameter from Set SEL request.
@ -955,7 +954,6 @@ struct dwc3 {
enum dwc3_ep0_state ep0state;
enum dwc3_link_state link_state;
u16 isoch_delay;
u16 u2sel;
u16 u2pel;
u8 u1sel;

6
drivers/usb/dwc3/ep0.c
View file

@ -736,11 +736,7 @@ static int dwc3_ep0_set_isoch_delay(struct dwc3 *dwc, struct usb_ctrlrequest *ct
if (wIndex || wLength)
return -EINVAL;
/*
* REVISIT It's unclear from Databook what to do with this
* value. For now, just cache it.
*/
dwc->isoch_delay = wValue;
dwc->gadget.isoch_delay = wValue;
return 0;
}