From: Felipe Balbi Date: Mon, 30 May 2016 10:40:00 +0000 (+0300) Subject: UPSTREAM: usb: dwc3: gadget: disable XFER_NOT_READY X-Git-Tag: firefly_0821_release~1785 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2a1f2d1e890354821dd8a8e621998d532185061d;p=firefly-linux-kernel-4.4.55.git UPSTREAM: usb: dwc3: gadget: disable XFER_NOT_READY We don't need this IRQ anymore for interrupt or bulk endpoints. Change-Id: I223ef88f807d7265a00d8d7be480320722d7ef88 Signed-off-by: Felipe Balbi Signed-off-by: Wu Liang feng (cherry picked from commit 13fa2e69b1dda31bddb11fe61f250b9415885ead) --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 2d13adb7649f..8233716efb36 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -485,8 +485,10 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, params.param2 |= dep->saved_state; } - params.param1 = DWC3_DEPCFG_XFER_COMPLETE_EN - | DWC3_DEPCFG_XFER_NOT_READY_EN; + params.param1 = DWC3_DEPCFG_XFER_COMPLETE_EN; + + if (dep->number <= 1 || usb_endpoint_xfer_isoc(desc)) + params.param1 |= DWC3_DEPCFG_XFER_NOT_READY_EN; if (usb_ss_max_streams(comp_desc) && usb_endpoint_xfer_bulk(desc)) { params.param1 |= DWC3_DEPCFG_STREAM_CAPABLE