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usb: roles: intel_xhci: Always allow user control
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Trying to determine the USB port type with this mux is very
difficult. To simplify the situation, always allow user
control, even if the port is USB Type-C port.

Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Heikki Krogerus <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Heikki Krogerus authored and gregkh committed May 24, 2018
1 parent 74789ae commit 35fcf02
Showing 1 changed file with 2 additions and 21 deletions.
23 changes: 2 additions & 21 deletions drivers/usb/roles/intel-xhci-usb-role-switch.c
Original file line number Diff line number Diff line change
Expand Up @@ -38,20 +38,6 @@ struct intel_xhci_usb_data {
void __iomem *base;
};

struct intel_xhci_acpi_match {
const char *hid;
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);
Expand Down Expand Up @@ -127,17 +113,17 @@ static enum usb_role intel_xhci_usb_get_role(struct device *dev)
return role;
}

static struct usb_role_switch_desc sw_desc = {
static const struct usb_role_switch_desc sw_desc = {
.set = intel_xhci_usb_set_role,
.get = intel_xhci_usb_get_role,
.allow_userspace_control = true,
};

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)
Expand All @@ -150,11 +136,6 @@ 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;

platform_set_drvdata(pdev, data);

data->role_sw = usb_role_switch_register(dev, &sw_desc);
Expand Down

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