From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Bird Subject: [PATCH v3 3/3] usb: chipidea: register driver as a peripheral with the phy Date: Fri, 20 Nov 2015 15:20:41 -0800 Message-ID: <1448061641-31672-3-git-send-email-tim.bird@sonymobile.com> References: <1448061641-31672-1-git-send-email-tim.bird@sonymobile.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1448061641-31672-1-git-send-email-tim.bird-/MT0OVThwyLZJqsBc5GL+g@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter.Chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org Cc: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, Bjorn.Andersson-/MT0OVThwyLZJqsBc5GL+g@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, tbird20d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, tim.bird-/MT0OVThwyLZJqsBc5GL+g@public.gmane.org List-Id: linux-arm-msm@vger.kernel.org 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 --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html