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authorFelipe Balbi <felipe.balbi@linux.intel.com>2017-11-14 13:29:33 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-12-11 13:36:49 +0300
commit19e0b203bfbd3de525ff17b115acecd53ae08c87 (patch)
treec55985a5b196e1f351c917135f4a76c59e4c421d /drivers
parentc7000aa030ee098e59d126325805f5037d155a48 (diff)
downloadlinux-19e0b203bfbd3de525ff17b115acecd53ae08c87.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/dwc3/core.h2
-rw-r--r--drivers/usb/dwc3/ep0.c6
2 files changed, 1 insertions, 7 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 4a4a4c98508c..be60d797f3ee 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -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;
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index fd3e7ad2eb0e..9c2e4a17918e 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -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;
}