From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To: Neil Armstrong <narmstrong@baylibre.com>
Cc: balbi@kernel.org, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
kishon@ti.com, hminas@synopsys.com,
linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 8/8] usb: dwc3: Add Amlogic G12A DWC3 glue
Date: Sat, 2 Mar 2019 11:29:01 +0100 [thread overview]
Message-ID: <CAFBinCDjFJS58+6yqxrsyHvhycsg2sC4tTtRj8O=GkcPJpR5Tg@mail.gmail.com> (raw)
In-Reply-To: <CAFBinCBoahGTbnii0Dhfj75YC8u2HjodAqFWwtD=K3xOZ-wGPw@mail.gmail.com>
Hi Neil,
> > +static int dwc3_meson_g12a_debugfs_init(struct dwc3_meson_g12a *priv)
> > +{
> > + priv->root = debugfs_create_dir("dwc3-meson-g12a", NULL);
> > + if (IS_ERR(priv->root))
> > + return PTR_ERR(priv->root);
> > +
> > + debugfs_create_file("mode_force", 0600, priv->root, priv,
> > + &dwc3_meson_g12a_mode_force_fops);
> > +
> > + debugfs_create_file("otg_id", 0400, priv->root, priv,
> > + &dwc3_meson_g12a_otg_id_fops);
> > +
> > + return 0;
> > +}
I just stumbled across the "USB role switch framework", see [0]
it seems to provide a userspace API as well and two in-kernel drivers
are using this framework already
(drivers/usb/gadget/udc/renesas_usb3.c,
drivers/usb/roles/intel-xhci-usb-role-switch.c)
[0] https://elixir.bootlin.com/linux/v5.0-rc8/source/drivers/usb/roles/class.c#L246
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next prev parent reply other threads:[~2019-03-02 10:29 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-12 15:14 [PATCH 0/8] arm64: meson: Add support for USB on Amlogic G12A Neil Armstrong
2019-02-12 15:14 ` [PATCH 1/8] dt-bindings: phy: Add Amlogic G12A USB2 PHY Bindings Neil Armstrong
2019-02-17 21:58 ` Martin Blumenstingl
2019-02-28 15:18 ` Rob Herring
2019-02-12 15:14 ` [PATCH 2/8] dt-bindings: phy: Add Amlogic G12A USB3+PCIE Combo " Neil Armstrong
2019-02-17 22:03 ` Martin Blumenstingl
2019-02-18 10:33 ` Neil Armstrong
2019-02-12 15:14 ` [PATCH 3/8] dt-bindings: usb: dwc2: Add Amlogic G12A DWC2 Compatible Neil Armstrong
2019-02-17 22:07 ` Martin Blumenstingl
2019-02-28 16:14 ` Rob Herring
2019-02-12 15:14 ` [PATCH 4/8] dt-bindings: usb: dwc3: Add Amlogic G12A DWC3 Glue Bindings Neil Armstrong
2019-02-24 19:52 ` Martin Blumenstingl
2019-02-28 16:29 ` Rob Herring
2019-03-01 10:25 ` Neil Armstrong
2019-02-12 15:14 ` [PATCH 5/8] phy: amlogic: add Amlogic G12A USB2 PHY Driver Neil Armstrong
2019-02-17 22:24 ` Martin Blumenstingl
2019-02-18 10:38 ` Neil Armstrong
2019-02-12 15:14 ` [PATCH 6/8] phy: amlogic: Add Amlogic G12A USB3 + PCIE Combo " Neil Armstrong
2019-02-24 19:40 ` Martin Blumenstingl
2019-02-12 15:14 ` [PATCH 7/8] usb: dwc2: Add Amlogic G12A DWC2 Params Neil Armstrong
2019-04-09 9:31 ` Minas Harutyunyan
2019-02-12 15:14 ` [PATCH 8/8] usb: dwc3: Add Amlogic G12A DWC3 glue Neil Armstrong
2019-02-24 20:40 ` Martin Blumenstingl
2019-03-02 10:29 ` Martin Blumenstingl [this message]
2019-03-04 9:33 ` Neil Armstrong
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