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[PATCH v2 3/3] usb: chipidea: register driver as a peripheral with the phy

From Tim Bird <tim.bird@sonymobile.com>
Newsgroups linux.kernel
Subject [PATCH v2 3/3] usb: chipidea: register driver as a peripheral with the phy
Date 2015-11-20 23:40 +0100
Message-ID <qx2vv-50g-5@gated-at.bofh.it> (permalink)
References <qx2vv-50g-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Register the chipidea driver with the phy, so that the phy
driver can kick the gadget driver when it resumes from low power.
The phy-msm-usb (Qualcomm) driver requires this in order to
recover gadget operation after you disconnect the USB cable
and reconnect it.

Signed-off-by: Tim Bird <tim.bird@sonymobile.com>
---
 drivers/usb/chipidea/udc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 8223fe7..06234cd 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1890,6 +1890,12 @@ static int udc_start(struct ci_hdrc *ci)
 
 	ci->gadget.ep0 = &ci->ep0in->ep;
 
+	if (ci->usb_phy) {
+		retval = otg_set_peripheral(ci->usb_phy->otg, &ci->gadget);
+		if (retval)
+			goto destroy_eps;
+	}
+
 	retval = usb_add_gadget_udc(dev, &ci->gadget);
 	if (retval)
 		goto destroy_eps;
-- 
1.8.2.2

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Thread

[PATCH v2 1/3] Documentation: dt-bindings: add async_irq to msm_hsusb Tim Bird <tim.bird@sonymobile.com> - 2015-11-20 23:40 +0100
  [PATCH v2 3/3] usb: chipidea: register driver as a peripheral with the phy Tim Bird <tim.bird@sonymobile.com> - 2015-11-20 23:40 +0100
  [PATCH v2 2/3] usb: phy: msm: fix connect/disconnect bug for dragonboard OTG port Tim Bird <tim.bird@sonymobile.com> - 2015-11-20 23:40 +0100
  Re: [PATCH v2 1/3] Documentation: dt-bindings: add async_irq to  msm_hsusb Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-11-20 23:50 +0100
  Re: [PATCH v2 1/3] Documentation: dt-bindings: add async_irq to msm_hsusb Arnd Bergmann <arnd@arndb.de> - 2015-11-20 23:50 +0100
    Re: [PATCH v2 1/3] Documentation: dt-bindings: add async_irq to  msm_hsusb Tim Bird <tim.bird@sonymobile.com> - 2015-11-21 00:00 +0100

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