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commit b32b8f2b9542d8039f5468303a6ca78c1b5611a5 upstream.
Hardware based on the Bay Trail / BYT SoCs require an external ULPI phy for
USB device-mode. The phy chip usually has its 'reset' and 'chip select'
lines connected to GPIOs described by ACPI fwnodes in the DSDT table.
Because of hardware with missing ACPI resources for the 'reset' and 'chip
select' GPIOs commit 5741022cbdf3 ("usb: dwc3: pci: Add GPIO lookup table
on platforms without ACPI GPIO resources") introduced a fallback
gpiod_lookup_table with hard-coded mappings for Bay Trail devices.
However there are existing Bay Trail based devices, like the National
Instruments cRIO-903x series, where the phy chip has its 'reset' and
'chip-select' lines always asserted in hardware via resistor pull-ups. On
this hardware the phy chip is always enabled and the ACPI dsdt table is
missing information not only for the 'chip-select' and 'reset' lines but
also for the BYT GPIO controller itself "INT33FC".
With the introduction of the gpiod_lookup_table initializing the USB
device-mode on these hardware now errors out. The error comes from the
gpiod_get_optional() calls in dwc3_pci_quirks() which will now return an
-ENOENT error due to the missing ACPI entry for the INT33FC gpio controller
used in the aforementioned table.
This hardware used to work before because gpiod_get_optional() will return
NULL instead of -ENOENT if no GPIO has been assigned to the requested
function. The dwc3_pci_quirks() code for setting the 'cs' and 'reset' GPIOs
was then skipped (due to the NULL return). This is the correct behavior in
cases where the phy chip is hardwired and there are no GPIOs to control.
Since the gpiod_lookup_table relies on the presence of INT33FC fwnode
in ACPI tables only add the table if we know the entry for the INT33FC
gpio controller is present. This allows Bay Trail based devices with
hardwired dwc3 ULPI phys to continue working.
Fixes: 5741022cbdf3 ("usb: dwc3: pci: Add GPIO lookup table on platforms without ACPI GPIO resources")
Cc: stable <stable@kernel.org>
Signed-off-by: Gratian Crisan <gratian.crisan@ni.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230726184555.218091-2-gratian.crisan@ni.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a03e2ddab8e735e2cc315609b297b300e9cc60d2 ]
If the device is already in a runtime PM enabled state
pm_runtime_get_sync() will return 1, so a test for negative
value should be used to check for errors.
Fixes: 8eed00b237a28 ("usb: dwc3: pci: Runtime resume child device from wq")
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20220422062652.10575-1-zhengyongjun3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 62e3f0afe246720f7646eb1b034a6897dac34405 upstream.
When the Bay Trail phy GPIO mappings where added cs and reset were swapped,
this did not cause any issues sofar, because sofar they were always driven
high/low at the same time.
Note the new mapping has been verified both in /sys/kernel/debug/gpio
output on Android factory images on multiple devices, as well as in
the schematics for some devices.
Fixes: 5741022cbdf3 ("usb: dwc3: pci: Add GPIO lookup table on platforms without ACPI GPIO resources")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220213130524.18748-3-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 04357fafea9c7ed34525eb9680c760245c3bb958 upstream.
On Intel Merrifield LPM is causing host to reset port after a timeout.
By disabling LPM entirely this is prevented.
Fixes: 066c09593454 ("usb: dwc3: pci: Enable extcon driver for Intel Merrifield")
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ferry Toth <ftoth@exalondelft.nl>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210425150947.5862-1-ftoth@exalondelft.nl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b522f830d35189e0283fa4d5b4b3ef8d7a78cfcb ]
It seems that on Intel Merrifield platform the USB PHY shouldn't be suspended.
Otherwise it can't be enabled by simply change the cable in the connector.
Enable corresponding quirk for the platform in question.
Fixes: e5f4ca3fce90 ("usb: dwc3: ulpi: Fix USB2.0 HS/FS/LS PHY suspend regression")
Suggested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210322125244.79407-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This patch adds the necessary PCI ID for Intel Alder Lake-S
devices.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Similar to some other IA platforms, Elkhart Lake too depends on the
PMU register write to request transition of Dx power state.
Thus, we add the PCI_DEVICE_ID_INTEL_EHLLP to the list of devices that
shall execute the ACPI _DSM method during D0/D3 sequence.
[heikki.krogerus@linux.intel.com: included Fixes tag]
Fixes: dbb0569de852 ("usb: dwc3: pci: Add Support for Intel Elkhart Lake Devices")
Cc: stable@vger.kernel.org
Signed-off-by: Raymond Tan <raymond.tan@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200711135804.19735-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds the necessary PCI ID for Intel Jasper Lake
devices.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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This patch adds the necessary PCI ID for TGP-H devices.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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dwc3_pci_resume_work() calls pm_runtime_get_sync() that increments
the reference counter. In case of failure, decrement the reference
before returning.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Intel Merrifield provides a DR support via PMIC which has its own
extcon driver.
Add a property string to link to that driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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There is one more Comet Lake PCH variant, CML-V, that has
its own PCI ID.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200117093033.48616-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The original ID that was added for Comet Lake PCH was
actually for the -LP (low power) variant even though the
constant for it said CMLH. Changing that while at it.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191212093713.60614-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In dwc3_pci_probe a call to platform_device_alloc allocates a device
which is correctly put in case of error except one case: when the call to
platform_device_add_properties fails it directly returns instead of
going to error handling. This commit replaces return with the goto.
Fixes: 1a7b12f69a94 ("usb: dwc3: pci: Supply device properties via driver data")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patch adds the necessary PCI ID for TGP-LP devices.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patch simply adds a new PCI Device ID
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patch simply adds a new PCI Device ID
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Commit 211f658b7b40 ("usb: dwc3: pci: Use devm functions to get
the phy GPIOs") changed the code to claim the PHY GPIOs permanently
for Intel Baytrail devices.
This causes issues when the actual PHY driver attempts to claim the
same GPIO descriptors. For example, tusb1210 now fails to probe with:
tusb1210: probe of dwc3.0.auto.ulpi failed with error -16 (EBUSY)
dwc3-pci needs to turn on the PHY once before dwc3 is loaded, but
usually the PHY driver will then hold the GPIOs to turn off the
PHY when requested (e.g. during suspend).
To fix the problem, this reverts the commit to restore the old
behavior to put the GPIOs immediately after usage.
Link: https://www.spinics.net/lists/linux-usb/msg174681.html
Cc: stable@vger.kernel.org
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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In dwc3_pci_quirks() function, gpiod lookup table is only registered for
baytrail SOC. But in dwc3_pci_remove(), we try to unregistered it
without any checks. This leads to NULL pointer de-reference exception in
gpiod_remove_lookup_table() when unloading the module for non baytrail
SOCs. This patch fixes this issue.
Fixes: 5741022cbdf3 ("usb: dwc3: pci: Add GPIO lookup table on platforms
without ACPI GPIO resources")
Cc: <stable@vger.kernel.org>
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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In case of error, the function pcim_iomap() returns NULL pointer not
ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.
Fixes: 7740d04d901d ("usb: dwc3: pci: Enable ULPI Refclk on platforms where the firmware does not")
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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On Intel Edison board the OTG function is enabled, thus,
USB can switch to the host mode.
Allow that by changing dr_mode property to "otg" for Intel Merrifield.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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For now all PCI enumerated dwc3 devices require some properties
to be present. This allows us to unconditionally append them and supply
via driver_data.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Describe 'wakeup_work' field of struct dwc3_pci to avoid a warning:
drivers/usb/dwc3/dwc3-pci.c:59: warning: Function parameter or member 'wakeup_work' not described in 'dwc3_pci'
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Even though we only use them once, it is better to not put/release
the GPIOs immediately after use, so that others cannot claim them.
Use devm functions to get the phy GPIOs, so that they will be
automatically released when were unbound from the device and
remove the gpio_put calls.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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On some Bay Trail (BYT) systems the firmware does not enable the
ULPI Refclk.
This commit adds a helper which checks and if necessary enabled the Refclk
and calls this helper for BYT machines.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Bay Trail / BYT SoCs do not have a builtin device-mode phy, instead
they require an external ULPI phy for device-mode.
Only some BYT devices have an external phy, but even on those devices
device-mode is not working because the dwc3 does not see the phy.
The problem is that the ACPI fwnode for the dwc3 does not contain the
expected GPIO resources for the GPIOs connected to the chip-select and
reset pins of the phy.
I've found the workaround which some Android x86 kernels use for this:
https://github.com/BORETS24/Kernel-for-Asus-Zenfone-2/blob/master/arch/x86/platform/intel-mid/device_libs/pci/platform_usb_otg.c
Which boils down to hardcoding the GPIOs for these devices.
The good news it that all boards (*) use the same GPIOs.
This commit fixes the ULPI phy not woring by adding a gpiod_lookup_table
call which adds a hardcoded mapping for BYT devices. Note that the mapping
added by gpiod_add_lookup_table is a fallback mapping, so boards which
properly provide GPIO resources in the ACPI firmware-node resources
will not use this.
*) Except for the first revision of the evalulation-kit, which normal users
don't have
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This driver is to be used for Synopsys PCIe-base HAPS platform. Move the
the HAPS support from dwc3-pci to this driver.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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PCI IDs for Intel IceLake.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Platform device is allocated before adding resources. Make sure to
properly cleanup on error case.
Cc: <stable@vger.kernel.org>
Fixes: f1c7e7108109 ("usb: dwc3: convert to pcim_enable_device()")
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Now that the SPDX tag is in all USB files, that identifies the license
in a specific and legally-defined manner. So the extra GPL text wording
can be removed as it is no longer needed at all.
This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text. And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.
No copyright headers or other non-license-description text was removed.
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/usb/ and include/linux/usb* files with the correct
SPDX license identifier based on the license text in the file itself.
The SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Driver currently resumes and increments pm usage_count
of its child device (dwc3 main) from its runtime_resume
handler. This requires dwc3 runtime_resume to perform
pm_runtime_put to decrement the pm usage_count. However
runtime_put from dwc3 happens for non pci drivers
(e.g. dwc3-if-simple.c) as well which results in dwc3
pm usage_count becoming negative after couple of
runtime suspend resume iterations. Fix this by
performing runtime_get/put from dwc3-pci driver only
using workqueue.
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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dev_pm_ops is not supposed to change at runtime. Marking it
constant.
Signed-off-by: Doug Wilson <doug.wilson@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The run_wake flag in struct dev_pm_info is used to indicate whether
or not the device is capable of generating remote wakeup signals at
run time (or in the system working state), but the distinction
between runtime remote wakeup and system wakeup signaling has always
been rather artificial. The only practical reason for it to exist
at the core level was that ACPI and PCI treated those two cases
differently, but that's not the case any more after recent changes.
For this reason, get rid of the run_wake flag and, when applicable,
use device_set_wakeup_capable() and device_can_wakeup() instead of
device_set_run_wake() and device_run_wake(), respectively.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
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acpi_evaluate_dsm() and friends take a pointer to a raw buffer of 16
bytes. Instead we convert them to use guid_t type. At the same time we
convert current users.
acpi_str_to_uuid() becomes useless after the conversion and it's safe to
get rid of it.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Cc: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Yisen Zhuang <yisen.zhuang@huawei.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Intel Cannonlake PCH has the same DWC3 than Intel
Sunrisepoint. Add the new IDs to the supported devices.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Switch to use managed variant of acpi_dev_add_driver_gpios() to simplify
error path and fix potentially wrong assignment if ->probe() fails.
While here, add a debug message in case assignment fails to allow user
see the cause of a potential issue.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Intel Gemini Lake SoC has the same DWC3 than Broxton. Add
the new ID to the supported Devices.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Calling platform_device_add_properties() replaces existing properties so
the "linux,sysdev_is_parent" property doesn't get set. Add this property
to each platform.
Fixes: d64ff406e51e ("usb: dwc3: use bus->sysdev for DMA configuration")
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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usb_get_dr_mode() expects the device-property to be spelled
"dr_mode" not "dr-mode".
Spelling it properly fixes the following warning showing up in dmesg:
[ 8704.500545] dwc3 dwc3.2.auto: Configuration mismatch. dr_mode forced to gadget
Signed-off-by: Hans de Goede <hdegoede@redhat.com
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The dma ops for dwc3 devices are not set properly. So, use a
physical device sysdev, which will be inherited from parent,
to set the hardware / firmware parameters like dma.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Tested-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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dwc3_pci_dsm() is only needed if (PM || PM_SLEEP),
we should make sure it's not defined if neither of
those is defined.
This fixes a randconfig build warning.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Intel's BXT devices need to execute a _DSM method
during {runtime_,}{suspend,resume} in order to get a
chunk of dwc3 to power gate and save some extra
power.
Let's do that now.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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We'll be tracking a little more information for PCI
drivers, it's about time we add a private structure
for that.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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When building a kernel with CONFIG_PM_SLEEP=n, we
get the following warning:
drivers/usb/dwc3/dwc3-pci.c:253:12: warning: 'dwc3_pci_pm_dummy' defined but not used
In order to fix this, we should only define
dwc3_pci_pm_dummy() when CONFIG_PM_SLEEP is defined.
Fixes: f6c274e11e3b ("usb: dwc3: pci: runtime_resume child device")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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During runtime_resume of dwc3-pci.c, we need to
runtime suspend our child device (which is dwc3
proper) otherwise nothing will happen.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Intel Kabylake PCH has the same DWC3 than Intel
Sunrisepoint. Add the new ID to the supported devices.
Cc: <stable@vger.kernel.org>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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It's know that Intel's SoCs' dwc3 integration is
peripheral-only since Intel implements its own
portmux for role-swapping. In order to prevent dwc3
from ever registering and XHCI platform_device,
let's just set dr-mode to peripheral-only on Intel
SoCs.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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