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From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Guenter Roeck <linux@roeck-us.net>,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH 4/4] usb: roles: intel_xhci: Always allow user control
Date: Wed, 2 May 2018 09:52:48 +0300	[thread overview]
Message-ID: <20180502065248.GC12870@kuha.fi.intel.com> (raw)
In-Reply-To: <9a0b6af4-8d49-8193-2fcd-a956c3f852ed@redhat.com>

On Tue, May 01, 2018 at 11:57:55AM +0200, Hans de Goede wrote:
> Hi,
> 
> On 30-04-18 14:41, Heikki Krogerus wrote:
> > Trying to determine the USB port type with this mux is very
> > difficult. To simplify the situation, always allowing user
> > control, even if the port is USB Type-C port.
> > 
> > Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > ---
> >   drivers/usb/roles/intel-xhci-usb-role-switch.c | 15 +--------------
> >   1 file changed, 1 insertion(+), 14 deletions(-)
> > 
> > diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c b/drivers/usb/roles/intel-xhci-usb-role-switch.c
> > index 28102127b9d5..6482eee6fd45 100644
> > --- a/drivers/usb/roles/intel-xhci-usb-role-switch.c
> > +++ b/drivers/usb/roles/intel-xhci-usb-role-switch.c
> > @@ -43,15 +43,6 @@ struct intel_xhci_acpi_match {
> >   	int hrv;
> >   };
> > -/*
> > - * ACPI IDs for PMICs which do not support separate data and power role
> > - * detection (USB ACA detection for micro USB OTG), we allow userspace to
> > - * change the role manually on these.
> > - */
> > -static const struct intel_xhci_acpi_match allow_userspace_ctrl_ids[] = {
> > -	{ "INT33F4",  3 }, /* X-Powers AXP288 PMIC */
> > -};
> > -
> >   static int intel_xhci_usb_set_role(struct device *dev, enum usb_role role)
> >   {
> >   	struct intel_xhci_usb_data *data = dev_get_drvdata(dev);
> > @@ -137,7 +128,6 @@ static int intel_xhci_usb_probe(struct platform_device *pdev)
> >   	struct device *dev = &pdev->dev;
> >   	struct intel_xhci_usb_data *data;
> >   	struct resource *res;
> > -	int i;
> >   	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
> >   	if (!data)
> > @@ -150,10 +140,7 @@ static int intel_xhci_usb_probe(struct platform_device *pdev)
> >   	if (!data->base)
> >   		return -ENOMEM;
> > -	for (i = 0; i < ARRAY_SIZE(allow_userspace_ctrl_ids); i++)
> > -		if (acpi_dev_present(allow_userspace_ctrl_ids[i].hid, "1",
> > -				     allow_userspace_ctrl_ids[i].hrv))
> > -			sw_desc.allow_userspace_control = true;
> > +	sw_desc.allow_userspace_control = true;
> 
> It would be better to add:
> 
> 	.allow_userspace_control = true,
> 
> To the initialization of the struct and also make the struct const since
> we are now no longer changing it and usb_role_switch_register() accepts
> it being const.

Makes sense.

> With that changed:
> 
> Reviewed-by: Hans de Goede <hdegoede@redhat.com>

Thanks,

-- 
heikki

      reply	other threads:[~2018-05-02  6:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-30 12:41 [PATCH 0/4] usb: typec: fixes for Cherry Trails Heikki Krogerus
2018-04-30 12:41 ` [PATCH 1/4] platform: x86: intel_cht_int33fe: Fix dependencies Heikki Krogerus
2018-05-01  9:53   ` Hans de Goede
2018-05-02  6:59     ` Heikki Krogerus
2018-04-30 12:41 ` [PATCH 2/4] usb: typec: tcpm: Release the role mux when exiting Heikki Krogerus
2018-04-30 13:40   ` Guenter Roeck
2018-05-01  9:54   ` Hans de Goede
2018-04-30 12:41 ` [PATCH 3/4] usb: typec: fusb302: Fix debugfs issue Heikki Krogerus
2018-04-30 13:34   ` Guenter Roeck
2018-05-02  6:52     ` Heikki Krogerus
2018-04-30 12:41 ` [PATCH 4/4] usb: roles: intel_xhci: Always allow user control Heikki Krogerus
2018-05-01  9:57   ` Hans de Goede
2018-05-02  6:52     ` Heikki Krogerus [this message]

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