If reading the ACPI _PLD port location object fails, or the port
doesn't have a _PLD ACPI object then the *pld pointer will remain
uninitialized and oops when freed.

The patch that caused this is currently in next, on its way to v6.9.
So no need to add this to stable or current 6.8 kernel.
Reported-by: Klara Modin <klarasmodin@gmail.com>
Closes: https://lore.kernel.org/linux-usb/7e92369a-3197-4883-9988-3c93452704f5@gmail.com/Tested-by: Klara Modin <klarasmodin@gmail.com>
Fixes: f3ac348e ("usb: usb-acpi: Set port connect type of not connectable ports correctly")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240308113425.1144689-1-mathias.nyman@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge tag 'usb-serial-6.9-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next

Johan writes:

USB-serial updates for 6.9-rc1

Here are the USB-serial updates for 6.9-rc1, including:

 - new device ids
 - removal of some redundant assignments

All have been in linux-next with no reported issues.

* tag 'usb-serial-6.9-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: cp210x: add pid/vid for TDK NC0110013M and MM0110113M
  USB: serial: keyspan: remove redundant assignment to pointer data
  USB: serial: ftdi_sio: remove redundant assignment to variable cflag
  USB: serial: oti6858: remove redundant assignment to variable divisor
  USB: serial: option: add MeiG Smart SLM320 product
  USB: serial: cp210x: add ID for MGP Instruments PDS100
  USB: serial: add device ID for VeriFone adapter
  USB: serial: ftdi_sio: add support for GMC Z216C Adapter IR-USB

Currently the variable irqflags is being set but is not being used,
it appears it should be used in the call to net2272_probe_fin
rather than IRQF_TRIGGER_LOW being used. Kudos to Uwe Kleine-König
for suggesting the fix.

Cleans up clang scan build warning:
drivers/usb/gadget/udc/net2272.c:2610:15: warning: variable 'irqflags'
set but not used [-Wunused-but-set-variable]

Fixes: ceb80363 ("USB: net2272: driver for PLX NET2272 USB device controller")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20240307181734.2034407-1-colin.i.king@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This commit resolves an issue in the tegra-xudc USB gadget driver that
incorrectly fetched USB3 PHY instances. The problem stemmed from the
assumption of a one-to-one correspondence between USB2 and USB3 PHY
names and their association with physical USB ports in the device tree.

Previously, the driver associated USB3 PHY names directly with the USB3
instance number, leading to mismatches when mapping the physical USB
ports. For instance, if using USB3-1 PHY, the driver expect the
corresponding PHY name as 'usb3-1'. However, the physical USB ports in
the device tree were designated as USB2-0 and USB3-0 as we only have
one device controller, causing a misalignment.

This commit rectifies the issue by adjusting the PHY naming logic.
Now, the driver correctly correlates the USB2 and USB3 PHY instances,
allowing the USB2-0 and USB3-1 PHYs to form a physical USB port pair
while accurately reflecting their configuration in the device tree by
naming them USB2-0 and USB3-0, respectively.

The change ensures that the PHY and PHY names align appropriately,
resolving the mismatch between physical USB ports and their associated
names in the device tree.

Fixes: b4e19931 ("usb: gadget: tegra-xudc: Support multiple device modes")
Cc: stable@vger.kernel.org
Signed-off-by: Wayne Chang <waynec@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240307030328.1487748-3-waynec@nvidia.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch introduces a new API, tegra_xusb_padctl_get_port_number,
to the Tegra XUSB Pad Controller driver. This API is used to identify
the USB port that is associated with a given PHY.

The function takes a PHY pointer for either a USB2 PHY or USB3 PHY as input
and returns the corresponding port number. If the PHY pointer is invalid,
it returns -ENODEV.

Cc: stable@vger.kernel.org
Signed-off-by: Wayne Chang <waynec@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240307030328.1487748-2-waynec@nvidia.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240307113936.3642469-1-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240307112509.3627937-1-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240307112406.3625756-1-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Function checkdone is only required if QUIRK2 is defined, so add
appropriate #if / #endif around the function.

Cleans up clang scan build warning:
drivers/usb/host/sl811-hcd.c:588:18: warning: unused function
'checkdone' [-Wunused-function]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240307111351.1982382-1-colin.i.king@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The commit "usb: Export BOS descriptor to sysfs" added a binary attribute
group to sysfs. It doesn't check if the descriptors attribute should be
visible, which is by design and not an oversight. Update a comment so that
it better explains this in the dev_bin_attrs_are_visible() function.
Signed-off-by: Elbert Mai <code@elbertmai.com>
Link: https://lore.kernel.org/r/20240306001503.313028-1-code@elbertmai.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Enable runtime PM by default for older AMD 1022:43f7 xHCI 1.1 host as it
is proven to work.
Driver enables runtime PM by default for newer xHCI 1.2 host.

Link: https://lore.kernel.org/all/12335218.O9o76ZdvQC@natalenko.name/
Cc: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240304054327.2564500-1-Basavaraj.Natikar@amd.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was
removed as of v6.8-rc1, so it became a dead flag since the commit
16a1d968 ("mm/slab: remove mm/slab.c and slab_def.h"). And the
series[1] went on to mark it obsolete explicitly to avoid confusion
for users. Here we can just remove all its users, which has no any
functional change.

[1] https://lore.kernel.org/all/20240223-slab-cleanup-flags-v2-1-02f1753e8303@suse.cz/Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Acked-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20240305132442.2122214-1-chengming.zhou@linux.devSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Commit 14485de4 ("usb: Use device_get_match_data()") overlooked the
already existing pointer to pdev->dev 'dev'.

Use the existing pointer 'dev' in device_get_match_data() to keep code
consistency.
Acked-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Link: https://lore.kernel.org/r/20240305-onboard_xvf3500-v7-1-ad3fb50e593b@wolfvision.netSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This fixes a W=1 warning about sprintf writing up to 16 bytes into a
buffer of size 14. There is no practical relevance because there are not
more than 32 endpoints.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/6754df25c56aae04f8110594fad2cd2452b1862a.1708709120.git.u.kleine-koenig@pengutronix.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

With this table added, the fsl_usb2_udc module is automatically loaded
by udev in the presence of a matching device.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/d1bf63f3ffe58bbd113467b56443e37f96435492.1708709120.git.u.kleine-koenig@pengutronix.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This adds the support to set the connector orientation value
accordingly. This is part of the optional CONFIG_STANDARD_OUTPUT
register 0x18, specified within the USB port controller spsicification
rev. 2.0 [1].

[1] https://www.usb.org/sites/default/files/documents/usb-port_controller_specification_rev2.0_v1.0_0.pdfSigned-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240222210903.208901-4-m.felsch@pengutronix.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The driver already support the tcpci binding for the i2c_device_id so
add the support for the of_device_id too.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240222210903.208901-3-m.felsch@pengutronix.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The NXP PTN5110 [1] is an TCPCI [2] compatible chip, so add the fallback
binding.

[1] https://www.nxp.com/docs/en/data-sheet/PTN5110.pdf
[2] https://www.usb.org/sites/default/files/documents/usb-port_controller_specification_rev2.0_v1.0_0.pdfSigned-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240222210903.208901-2-m.felsch@pengutronix.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The custom log wrappers ERR, WARNING, DBG and VDBG don't add anything
useful that cannot easily be done with dev_err() and friends. Replace
the custom stuff by the well known functions from printk.h.

Also drop some dead code in a #if 0 block.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240304165404.807787-2-u.kleine-koenig@pengutronix.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

When a USB hub is described in DT, such as any device that matches the
onboard-hub driver, the connect_type is set to "unknown" or
USB_PORT_CONNECT_TYPE_UNKNOWN. This makes any device plugged into that
USB port report their 'removable' device attribute as "unknown".
ChromeOS userspace would like to know if the USB device is actually
removable or not so that security policies can be applied. Improve the
connect_type attribute for ports, and in turn the removable attribute
for USB devices, by looking for child devices with a reg property or an
OF graph when the device is described in DT.

If the graph exists, endpoints that are connected to a remote node must
be something like a usb-{a,b,c}-connector compatible node, or an
intermediate node like a redriver, and not a hardwired USB device on the
board. Set the connect_type to USB_PORT_CONNECT_TYPE_HOT_PLUG in this
case because the device is going to be plugged in. Set the connect_type
to USB_PORT_CONNECT_TYPE_HARD_WIRED if there's a child node for the port
like 'device@2' for port2. Set the connect_type to USB_PORT_NOT_USED if
there isn't an endpoint or child node corresponding to the port number.

To make sure things don't change, only set the port to not used if
there are child nodes. This way an onboard hub connect_type doesn't
change until ports are added or child nodes are added to describe
hardwired devices. It's assumed that all ports or no ports will be
described for a device.

Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: linux-usb@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: Pin-yen Lin <treapking@chromium.org>
Cc: maciek swiech <drmasquatch@google.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20240223005823.3074029-3-swboyd@chromium.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Add a graph with 4 output endpoints to this hub binding to support the
scenario where a downstream facing port is connected to a device that
isn't a connector or a USB device with a VID:PID. This will be used to
connect downstream facing ports to USB type-c switches so the USB
superspeed and high speed lanes can be put onto USB connectors.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: linux-usb@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: Pin-yen Lin <treapking@chromium.org>
Cc: maciek swiech <drmasquatch@google.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240223005823.3074029-2-swboyd@chromium.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The TI TUSB8020B is a 2-port USB 3.0 hub. Add support for
this hub in the driver in order to bring up reset, and supply
dependencies.

Power-up: Issue a GPIO reset (GRSTz) 3ms after VDD and VDD33 stabilize.
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240227090228.22156-2-macpaul.lin@mediatek.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The TI USB8020B is a USB 3.0 hub controller with 2 ports.

This initial version of the binding only describes USB related aspects
of the USB8020B, it does not cover the option of connecting the controller
as an i2c slave.
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://lore.kernel.org/r/20240227090228.22156-1-macpaul.lin@mediatek.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The variable count is being initialized and incremented but it is never
actually referenced in any other way. The variable is redundant and can
be removed.

Cleans up clang scan build warning:
drivers/usb/musb/musb_gadget.c:1747:12: warning: variable 'count' set
but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240229115548.218713-1-colin.i.king@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The binding references usb-connector.yaml schema, which lists all
allowed properties and ends with unevaluatedProperties:false, so we can
simplify analogix,anx7411 binding by dropping everything covered by
usb-connector.yaml.
Suggested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Link: https://lore.kernel.org/r/20240222082819.10321-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Add revision value for identifying DWC31 version 2.00a based controllers.
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20240301213554.7850-1-quic_wcheng@quicinc.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

All AM62 devices have Errata i2409 [1] due to which
USB2 PHY may lock up due to short suspend.

Workaround involves setting bit 5 and 4 PLL_REG12
in PHY2 register space after USB controller is brought
out of LPSC reset but before controller initialization.

Handle this workaround.

[1] - https://www.ti.com/lit/er/sprz487d/sprz487d.pdfSigned-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-4-0ada8ddb0767@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

TRM information is outdated and design team has confirmed
that PHY_CORE_VOLTAGE should be 0 irrespective of
VDD_CORE voltage.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-3-0ada8ddb0767@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Disable wakeup at remove.
Fixes the below warnings on module unload and reload.

> dwc3-am62 f900000.dwc3-usb: couldn't enable device as a wakeup source: -17
> dwc3-am62 f910000.dwc3-usb: couldn't enable device as a wakeup source: -17

Fixes: 4e3972b5 ("usb: dwc3-am62: Enable as a wakeup source by default")
Cc: stable@vger.kernel.org # v6.4+
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-2-0ada8ddb0767@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

As runtime PM is enabled, the module can be runtime
suspended when .remove() is called.

Do a pm_runtime_get_sync() to make sure module is active
before doing any register operations.

Doing a pm_runtime_put_sync() should disable the refclk
so no need to disable it again.

Fixes the below warning at module removel.

[   39.705310] ------------[ cut here ]------------
[   39.710004] clk:162:3 already disabled
[   39.713941] WARNING: CPU: 0 PID: 921 at drivers/clk/clk.c:1090 clk_core_disable+0xb0/0xb8

We called of_platform_populate() in .probe() so call the
cleanup function of_platform_depopulate() in .remove().
Get rid of the now unnnecessary dwc3_ti_remove_core().
Without this, module re-load doesn't work properly.

Fixes: e8784c0a ("drivers: usb: dwc3: Add AM62 USB wrapper driver")
Cc: stable@vger.kernel.org # v5.19+
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20240227-for-v6-9-am62-usb-errata-3-0-v4-1-0ada8ddb0767@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Hi3798MV200 uses dwc3 controller with a few more clocks and a dedicated
resets. Use of_simple driver for it.
Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
Link: https://lore.kernel.org/r/20240225-dwc3-v4-2-8c1fd6c6f615@outlook.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Document the DWC3 controller used by Hi3798MV200.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
Link: https://lore.kernel.org/r/20240225-dwc3-v4-1-8c1fd6c6f615@outlook.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Register SOP' alternate modes with a Type-C Connector Class cable plug.
Alternate modes are queried from the PPM using the GET_ALTERNATE_MODES
command with recipient set to SOP'.
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Jameson Thies <jthies@google.com>
Link: https://lore.kernel.org/r/20240305025804.1290919-5-jthies@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Register SOP and SOP' Discover Identity responses with the USB Type-C
Connector Class as partner and cable identities, respectively. Discover
Identity responses are requested from the PPM using the GET_PD_MESSAGE
UCSI command.
Signed-off-by: Jameson Thies <jthies@google.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20240305025804.1290919-4-jthies@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Register cables with the Type-C Connector Class in the UCSI driver based
on the PPM response to GET_CABLE_PROPERTY. Registered cable properties
include plug type, cable type and major revision.
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Jameson Thies <jthies@google.com>
Link: https://lore.kernel.org/r/20240305025804.1290919-3-jthies@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Clean up UCSI_CABLE_PROP macros by fixing a bitmask shifting error for
plug type and updating the modal support macro for consistent naming.

Fixes: 3cf657f0 ("usb: typec: ucsi: Remove all bit-fields")
Cc: stable@vger.kernel.org
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jameson Thies <jthies@google.com>
Link: https://lore.kernel.org/r/20240305025804.1290919-2-jthies@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

If we have a neat macro, at least new code should
use it.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240229131851.16148-2-oneukum@suse.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

When the port is setting the pin configuration when no configuration is
chosen, the DisplayPort driver will not send Configure to the cable plug
if it's available. Add transition to DP_STATE_CONFIGURE_PRIME.

Fixes: 71ba4fe5 ("usb: typec: altmodes/displayport: add SOP' support")
Signed-off-by: RD Babiera <rdbabiera@google.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240223002302.3937235-2-rdbabiera@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The Smatch checker flags svdm_version being uninitialized for Discover
Identity Messages within tcpm_pd_svdm for the CMDT_INIT case. Cable plugs
cannot initialize SVDM commands, however a port partner that isn't allowed
to communicate over SOP' could, which would result in the CMDT_INIT block
running for a received SOP' message.

First, initialize svdm_version for the TCPC_TX_SOP_PRIME case. If the
svdm_version returns as an error, we expect the received svdm to be the
result of Discover Identity that updates the value accordingly.

Next, drop all SOP' messages of type CMDT_INIT within tcpm_pd_svdm.

Finally, remove redundant call that assigns modep and pdev. Smatch will
raise an uninitialized symbol error over modep_prime and pdev_prime, but
both the assignment and use of these variables are guarded behind
a check for rx_sop_type == TCPC_TX_SOP_PRIME.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/a432603b-b801-4001-b309-247dded707d3@moroto.mountain/
Fixes: fb7ff25a ("usb: typec: tcpm: add discover identity support for SOP'")
Signed-off-by: RD Babiera <rdbabiera@google.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240223002233.3936275-2-rdbabiera@google.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Ports with  _UPC (USB Port Capability) ACPI objects stating they are
"not connectable" are not wired to any connector or internal device.
They only exist inside the host controller.

These ports may not have an ACPI _PLD (Physical Location of Device)
object.

Rework the code so that _UPC is read even if _PLD does not exist, and
make sure the port->connect_type is set to "USB_PORT_NOT_USED" instead
of "USB_PORT_CONNECT_TYPE_UNKNOWN".

No bugs or known issues are reported due to possibly not parsing _UPC,
and thus leaving the port connect type as "unknown" instead of
"not used". Nice to have this fixed but no need to add it to stable
kernels, or urgency to get it upstream.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240223140305.185182-1-mathias.nyman@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>