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From:   Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
To:     Christian Hewitt <christianshewitt@gmail.com>
CC:     "hal@halemmerich.com" <hal@halemmerich.com>,
        "arthur.petrosyan@synopsys.com" <arthur.petrosyan@synopsys.com>,
        "Minas Harutyunyan" <Minas.Harutyunyan@synopsys.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] usb: dwc2: disable power_down on Amlogic devices
Thread-Topic: [PATCH] usb: dwc2: disable power_down on Amlogic devices
Thread-Index: AQHURSiVYaSFec6xrEKrPacylT6A6w==
Date:   Thu, 6 Sep 2018 08:36:46 +0000
Message-ID: <410670D7E743164D87FA6160E7907A56013A764835@am04wembxa.internal.synopsys.com>
References: <1536159314-35831-1-git-send-email-christianshewitt@gmail.com>
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On 9/5/2018 6:56 PM, Christian Hewitt wrote:=0A=
> USB devices work when connected to Amlogic GXBB hardware before power=0A=
> on, but not when connected after boot (hotplugged). With this patch=0A=
> hotplugging works again. This change was copied from the Rockchip=0A=
> patch here: (https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__marc.=
info_-3Fl-3Dlinux-2Dusb-26m-3D153205711616460-26w-3D2&d=3DDwIBAg&c=3DDPL6_X=
_6JkXFx7AXWqB0tg&r=3DcQBKt4q-qzNVC53rNAwuwplH23V61rHQhhULvdLA0U8&m=3Dm5T_Ss=
LG-_isQDyjrHuiVqJWdEqZ21Lcr70lObiPwrg&s=3DD26wJzWeREBz6_XcmdTqo8k69mPRqGaIb=
RWl_77Ns3c&e=3D)=0A=
> =0A=
> Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>=0A=
=0A=
Acked-by: Minas Harutyunyan <hminas@synopsys.com>=0A=
=0A=
> ---=0A=
>   drivers/usb/dwc2/params.c | 1 +=0A=
>   1 file changed, 1 insertion(+)=0A=
> =0A=
> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c=0A=
> index bf7052e..93561a2 100644=0A=
> --- a/drivers/usb/dwc2/params.c=0A=
> +++ b/drivers/usb/dwc2/params.c=0A=
> @@ -110,6 +110,7 @@ static void dwc2_set_amlogic_params(struct dwc2_hsotg=
 *hsotg)=0A=
>   	p->phy_type =3D DWC2_PHY_TYPE_PARAM_UTMI;=0A=
>   	p->ahbcfg =3D GAHBCFG_HBSTLEN_INCR8 <<=0A=
>   		GAHBCFG_HBSTLEN_SHIFT;=0A=
> +	p->power_down =3D false;=0A=
>   }=0A=
>   =0A=
>   static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)=0A=
> =0A=
=0A=