| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc drivers updates from Greg KH:
"Here is the "big" set of char/misc and other driver subsystems for
6.4-rc1.
It's pretty big, but due to the removal of pcmcia drivers, almost
breaks even for number of lines added vs. removed, a nice change.
Included in here are:
- removal of unused PCMCIA drivers (finally!)
- Interconnect driver updates and additions
- Lots of IIO driver updates and additions
- MHI driver updates
- Coresight driver updates
- NVMEM driver updates, which required some OF updates
- W1 driver updates and a new maintainer to manage the subsystem
- FPGA driver updates
- New driver subsystem, CDX, for AMD systems
- lots of other small driver updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits)
mcb-lpc: Reallocate memory region to avoid memory overlapping
mcb-pci: Reallocate memory region to avoid memory overlapping
mcb: Return actual parsed size when reading chameleon table
kernel/configs: Drop Android config fragments
virt: acrn: Replace obsolete memalign() with posix_memalign()
spmi: Add a check for remove callback when removing a SPMI driver
spmi: fix W=1 kernel-doc warnings
spmi: mtk-pmif: Drop of_match_ptr for ID table
spmi: pmic-arb: Convert to platform remove callback returning void
spmi: mtk-pmif: Convert to platform remove callback returning void
spmi: hisi-spmi-controller: Convert to platform remove callback returning void
w1: gpio: remove unnecessary ENOMEM messages
w1: omap-hdq: remove unnecessary ENOMEM messages
w1: omap-hdq: add SPDX tag
w1: omap-hdq: allow compile testing
w1: matrox: remove unnecessary ENOMEM messages
w1: matrox: use inline over __inline__
w1: matrox: switch from asm to linux header
w1: ds2482: do not use assignment in if condition
w1: ds2482: drop unnecessary header
...
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We need it here to apply other char/misc driver changes to.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is a new helper supposed to replace of_device_request_module(),
called of_request_module(). They are both strictly equivalent, besides
the fact the latter receives a "struct device_node" directly. Use it.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230404172148.82422-12-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the large set of driver core changes for 6.4-rc1.
Once again, a busy development cycle, with lots of changes happening
in the driver core in the quest to be able to move "struct bus" and
"struct class" into read-only memory, a task now complete with these
changes.
This will make the future rust interactions with the driver core more
"provably correct" as well as providing more obvious lifetime rules
for all busses and classes in the kernel.
The changes required for this did touch many individual classes and
busses as many callbacks were changed to take const * parameters
instead. All of these changes have been submitted to the various
subsystem maintainers, giving them plenty of time to review, and most
of them actually did so.
Other than those changes, included in here are a small set of other
things:
- kobject logging improvements
- cacheinfo improvements and updates
- obligatory fw_devlink updates and fixes
- documentation updates
- device property cleanups and const * changes
- firwmare loader dependency fixes.
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (120 commits)
device property: make device_property functions take const device *
driver core: update comments in device_rename()
driver core: Don't require dynamic_debug for initcall_debug probe timing
firmware_loader: rework crypto dependencies
firmware_loader: Strip off \n from customized path
zram: fix up permission for the hot_add sysfs file
cacheinfo: Add use_arch[|_cache]_info field/function
arch_topology: Remove early cacheinfo error message if -ENOENT
cacheinfo: Check cache properties are present in DT
cacheinfo: Check sib_leaf in cache_leaves_are_shared()
cacheinfo: Allow early level detection when DT/ACPI info is missing/broken
cacheinfo: Add arm64 early level initializer implementation
cacheinfo: Add arch specific early level initializer
tty: make tty_class a static const structure
driver core: class: remove struct class_interface * from callbacks
driver core: class: mark the struct class in struct class_interface constant
driver core: class: make class_register() take a const *
driver core: class: mark class_release() as taking a const *
driver core: remove incorrect comment for device_create*
MIPS: vpe-cmp: remove module owner pointer from struct class usage.
...
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We need the fixes in here for testing, as well as the driver core
changes for documentation updates to build on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that the driver core can properly handle constant struct bus_type,
move all of the USB subsystem struct bus_type structures as const,
placing them into read-only memory which can not be modified at runtime.
Cc: Johan Hovold <johan@kernel.org>
Cc: Evan Green <evgreen@chromium.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20230313182918.1312597-36-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The module pointer in class_create() never actually did anything, and it
shouldn't have been requred to be set as a parameter even if it did
something. So just remove it and fix up all callers of the function in
the kernel tree at the same time.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20230313181843.1207845-4-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no need to manually set the owner of a struct class, as the
registering function does it automatically, so remove all of the
explicit settings from various drivers that did so as it is unneeded.
This allows us to remove this pointer entirely from this structure going
forward.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313181843.1207845-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the large set of USB and Thunderbolt changes for 6.4-rc1.
The "biggest" thing in here is the removal of two obsolete drivers,
u132-hcd and ftdi-elan, making this a net-removal of code overall.
Other than the driver removals, included in here are:
- Thunderbolt updates for new hardware and features
- xhci driver updates and fixes
- dwc3 driver updates and fixes
- gadget core and driver updates and features added
- mtu3 driver updates
- dwc2 driver fixes and updates
- usb-serial driver updates
- typec driver updates and fixes
- platform remove callback changes
- dts updates and conversions
- other small changes
All have been in linux-next for a while with no reported problems"
* tag 'usb-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (177 commits)
usb: dwc3: gadget: Refactor EP0 forced stall/restart into a separate API
usb: dwc3: gadget: Execute gadget stop after halting the controller
media: radio-shark: Add endpoint checks
USB: sisusbvga: Add endpoint checks
USB: core: Add routines for endpoint checks in old drivers
usb: dwc3: gadget: Stall and restart EP0 if host is unresponsive
dt-bindings: usb: snps,dwc3: Add 'snps,parkmode-disable-hs-quirk' quirk
usb: dwc3: core: add support for disabling High-speed park mode
dt-bindings: usb: ci-hdrc-usb2: allow multiple PHYs
usb: mtu3: add optional clock xhci_ck and frmcnt_ck
dt-bindings: usb: mtu3: add two optional clocks
usb: mtu3: expose role-switch control to userspace
usb: mtu3: unlock @mtu->lock just before giving back request
usb: mtu3: fix kernel panic at qmu transfer done irq handler
usb: mtu3: use boolean return value
usb: mtu3: give back request when rx error happens
usb: chipidea: fix missing goto in `ci_hdrc_probe`
usb: gadget: udc: core: Prevent redundant calls to pullup
usb: gadget: udc: core: Invoke usb_gadget_connect only when started
usb: typec: ucsi: don't print PPM init deferred errors
...
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Several sequences utilize the same routine for forcing the control endpoint
back into the SETUP phase. This is required, because those operations need
to ensure that EP0 is back in the default state.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20230420212759.29429-3-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Do not call gadget stop until the poll for controller halt is
completed. DEVTEN is cleared as part of gadget stop, so the intention to
allow ep0 events to continue while waiting for controller halt is not
happening.
Fixes: c96683798e27 ("usb: dwc3: ep0: Don't prepare beyond Setup stage")
Cc: stable@vger.kernel.org
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20230420212759.29429-2-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The syzbot fuzzer was able to provoke a WARNING from the sisusbvga driver:
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 3 != type 1
WARNING: CPU: 1 PID: 26 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504
Modules linked in:
CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.2.0-rc5-syzkaller-00199-g5af6ce704936 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504
Code: 7c 24 18 e8 6c 50 80 fb 48 8b 7c 24 18 e8 62 1a 01 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 b1 fa 8a e8 84 b0 be 03 <0f> 0b e9 58 f8 ff ff e8 3e 50 80 fb 48 81 c5 c0 05 00 00 e9 84 f7
RSP: 0018:ffffc90000a1ed18 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff888012783a80 RSI: ffffffff816680ec RDI: fffff52000143d95
RBP: ffff888079020000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000003
R13: ffff888017d33370 R14: 0000000000000003 R15: ffff888021213600
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005592753a60b0 CR3: 0000000022899000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
sisusb_bulkout_msg drivers/usb/misc/sisusbvga/sisusbvga.c:224 [inline]
sisusb_send_bulk_msg.constprop.0+0x904/0x1230 drivers/usb/misc/sisusbvga/sisusbvga.c:379
sisusb_send_bridge_packet drivers/usb/misc/sisusbvga/sisusbvga.c:567 [inline]
sisusb_do_init_gfxdevice drivers/usb/misc/sisusbvga/sisusbvga.c:2077 [inline]
sisusb_init_gfxdevice+0x87b/0x4000 drivers/usb/misc/sisusbvga/sisusbvga.c:2177
sisusb_probe+0x9cd/0xbe2 drivers/usb/misc/sisusbvga/sisusbvga.c:2869
...
The problem was caused by the fact that the driver does not check
whether the endpoints it uses are actually present and have the
appropriate types. This can be fixed by adding a simple check of
the endpoints.
Link: https://syzkaller.appspot.com/bug?extid=23be03b56c5259385d79
Reported-and-tested-by: syzbot+23be03b56c5259385d79@syzkaller.appspotmail.com
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/48ef98f7-51ae-4f63-b8d3-0ef2004bb60a@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Many of the older USB drivers in the Linux USB stack were written
based simply on a vendor's device specification. They use the
endpoint information in the spec and assume these endpoints will
always be present, with the properties listed, in any device matching
the given vendor and product IDs.
While that may have been true back then, with spoofing and fuzzing it
is not true any more. More and more we are finding that those old
drivers need to perform at least a minimum of checking before they try
to use any endpoint other than ep0.
To make this checking as simple as possible, we now add a couple of
utility routines to the USB core. usb_check_bulk_endpoints() and
usb_check_int_endpoints() take an interface pointer together with a
list of endpoint addresses (numbers and directions). They check that
the interface's current alternate setting includes endpoints with
those addresses and that each of these endpoints has the right type:
bulk or interrupt, respectively.
Although we already have usb_find_common_endpoints() and related
routines meant for a similar purpose, they are not well suited for
this kind of checking. Those routines find endpoints of various
kinds, but only one (either the first or the last) of each kind, and
they don't verify that the endpoints' addresses agree with what the
caller expects.
In theory the new routines could be more general: They could take a
particular altsetting as their argument instead of always using the
interface's current altsetting. In practice I think this won't matter
too much; multiple altsettings tend to be used for transferring media
(audio or visual) over isochronous endpoints, not bulk or interrupt.
Drivers for such devices will generally require more sophisticated
checking than these simplistic routines provide.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/dd2c8e8c-2c87-44ea-ba17-c64b97e201c9@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It was observed that there are hosts that may complete pending SETUP
transactions before the stop active transfers and controller halt occurs,
leading to lingering endxfer commands on DEPs on subsequent pullup/gadget
start iterations.
dwc3_gadget_ep_disable name=ep8in flags=0x3009 direction=1
dwc3_gadget_ep_disable name=ep4in flags=1 direction=1
dwc3_gadget_ep_disable name=ep3out flags=1 direction=0
usb_gadget_disconnect deactivated=0 connected=0 ret=0
The sequence shows that the USB gadget disconnect (dwc3_gadget_pullup(0))
routine completed successfully, allowing for the USB gadget to proceed with
a USB gadget connect. However, if this occurs the system runs into an
issue where:
BUG: spinlock already unlocked on CPU
spin_bug+0x0
dwc3_remove_requests+0x278
dwc3_ep0_out_start+0xb0
__dwc3_gadget_start+0x25c
This is due to the pending endxfers, leading to gadget start (w/o lock
held) to execute the remove requests, which will unlock the dwc3
spinlock as part of giveback.
To mitigate this, resolve the pending endxfers on the pullup disable
path by re-locating the SETUP phase check after stop active transfers, since
that is where the DWC3_EP_DELAY_STOP is potentially set. This also allows
for handling of a host that may be unresponsive by using the completion
timeout to trigger the stall and restart for EP0.
Fixes: c96683798e27 ("usb: dwc3: ep0: Don't prepare beyond Setup stage")
Cc: stable@vger.kernel.org
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
Link: https://lore.kernel.org/r/20230413195742.11821-2-quic_wcheng@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Setting the PARKMODE_DISABLE_HS bit in the DWC3_USB3_GUCTL1.
When this bit is set to '1' all HS bus instances in park mode are disabled
For some USB wifi devices, if enable this feature it will reduce the
performance. Therefore, add an option for disabling HS park mode by
device-tree.
In Synopsys's dwc3 data book:
In a few high speed devices when an IN request is sent within 900ns of the
ACK of the previous packet, these devices send a NAK. When connected to
these devices, if required, the software can disable the park mode if you
see performance drop in your system. When park mode is disabled,
pipelining of multiple packet is disabled and instead one packet at a time
is requested by the scheduler. This allows up to 12 NAKs in a micro-frame
and improves performance of these slow devices.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20230419020044.15475-1-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add optional clock 'xhci_ck' which is usually the same as sys_ck, but
some SoC use two separated clocks when the controller supports dual
role mode;
Add optional clock 'frmcnt_ck' used on 4nm or advanced process SoC.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-7-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The allow_userspace_control flag enables manual role switch from userspace,
turn this feature on like several other USB DRD controller drivers.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-5-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No need unlock @mtu->lock when unmap request, unlock it just before
giving back request, due to we do not lock this spinlock when map
the request.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-4-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When handle qmu transfer irq, it will unlock @mtu->lock before give back
request, if another thread handle disconnect event at the same time, and
try to disable ep, it may lock @mtu->lock and free qmu ring, then qmu
irq hanlder may get a NULL gpd, avoid the KE by checking gpd's value before
handling it.
e.g.
qmu done irq on cpu0 thread running on cpu1
qmu_done_tx()
handle gpd [0]
mtu3_requ_complete() mtu3_gadget_ep_disable()
unlock @mtu->lock
give back request lock @mtu->lock
mtu3_ep_disable()
mtu3_gpd_ring_free()
unlock @mtu->lock
lock @mtu->lock
get next gpd [1]
[1]: goto [0] to handle next gpd, and next gpd may be NULL.
Fixes: 48e0d3735aa5 ("usb: mtu3: supports new QMU format")
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-3-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Prefer to use boolean value due to gpd_ring_empty() return true or false.
See "16) Function return values and names" in coding-style.rst
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-2-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When the Rx enconnter errors, currently, only print error logs, that
may cause class driver's RX halt, shall give back the request with
error status meanwhile.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230417025203.18097-1-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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From the comment of ci_usb_phy_init, it returns an error code if
usb_phy_init has failed, and it should do some clean up, not just
return directly.
Fix this by goto the error handling.
Fixes: 74475ede784d ("usb: chipidea: move PHY operation to core")
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Yinhao Hu <dddddd@hust.edu.cn>
Link: https://lore.kernel.org/r/20230412055852.971991-1-dddddd@hust.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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usb_gadget_connect calls gadget->ops->pullup without checking whether
gadget->connected was previously set. Make this symmetric to
usb_gadget_disconnect by returning early if gadget->connected is
already set.
Fixes: 5a1da544e572 ("usb: gadget: core: do not try to disconnect gadget if it is not connected")
Cc: stable@vger.kernel.org
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20230407030741.3163220-2-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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usb_udc_connect_control does not check to see if the udc has already
been started. This causes gadget->ops->pullup to be called through
usb_gadget_connect when invoked from usb_udc_vbus_handler even before
usb_gadget_udc_start is called. Guard this by checking for udc->started
in usb_udc_connect_control before invoking usb_gadget_connect.
Guarding udc->vbus, udc->started, gadget->connect, gadget->deactivate
related functions with connect_lock. usb_gadget_connect_locked,
usb_gadget_disconnect_locked, usb_udc_connect_control_locked,
usb_gadget_udc_start_locked, usb_gadget_udc_stop_locked are called with
this lock held as they can be simulataneously invoked from different code
paths.
Adding an additional check to make sure udc is started(udc->started)
before pullup callback is invoked.
Fixes: 628ef0d273a6 ("usb: udc: add usb_udc_vbus_handler")
Cc: stable@vger.kernel.org
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20230407030741.3163220-1-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ucsi_init() may be deferred as usb_role_sw may be deferred in
ucsi_register_port(). This results in several PPM init failed (-517)
messages maybe printed several times upon boot, like on stm32mp135f-dk
board, until the role_switch driver gets probed.
[ 19.880945] dwc2 49000000.usb: supply vusb_d not found, using dummy regulator
[ 19.887136] dwc2 49000000.usb: supply vusb_a not found, using dummy regulator
[ 19.975432] ucsi-stm32g0-i2c 0-0053: PPM init failed (-517)
[ 20.155746] dwc2 49000000.usb: EPs: 9, dedicated fifos, 952 entries in SPRAM
[ 20.175429] ucsi-stm32g0-i2c 0-0053: PPM init failed (-517)
[ 20.184242] dwc2 49000000.usb: DWC OTG Controller
Adopt dev_err_probe() instead of dev_err(), to only print other errors.
Also print an error in case the wait count has expired.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20230412161734.3425090-1-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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PD3.0 Spec 6.4.4.3.2 say that only Responder supports 12 or more SVIDs,
the Discover SVIDs Command Shall be executed multiple times until a
Discover SVIDs VDO is returned ending either with a SVID value of
0x0000 in the last part of the last VDO or with a VDO containing two
SVIDs with values of 0x0000.
In the current implementation, if the last VDO does not find that the
Discover SVIDs Command would be executed multiple times even if the
Responder SVIDs are less than 12, and we found some odd dockers just
meet this case. So fix it.
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Link: https://lore.kernel.org/r/20230316081149.24519-1-frank.wang@rock-chips.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clean up the probe variable declarations by removing the stray newlines.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-12-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The probe callback has become unwieldy so break out the clock lookups
into a new helper function to improve readability.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-11-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Refactor the PHY handling using four new helpers to initialise,
deinitialise, power on and power off all the PHYs.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-10-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clean up the core init error handling by using descriptive names for the
error labels and releasing resourcing in reverse order consistently.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-9-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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While there likely are no platforms out there that mix generic and
legacy PHYs the driver should still be able to handle that, if only for
consistency reasons.
Add the missing calls to shutdown any legacy PHYs if generic PHY
initialisation fails.
Note that we continue to happily ignore potential errors from the legacy
PHY callbacks...
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-8-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use descriptive names consistently for the probe error labels.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-7-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The hibernation code is broken and has never been enabled in mainline
and should thus be dropped.
Specifically, the scratch buffer DMA mapping would have been leaked on
every suspend cycle since commit 51f5d49ad6f0 ("usb: dwc3: core:
simplify suspend/resume operations") if this feature was ever enabled.
The related error handling was also broken and could have resulted in
attempts to unmap never mapped buffers, etc.
This effectively revert commit 0ffcaf3798bf ("usb: dwc3: core: allocate
scratch buffers").
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-6-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The hibernation code is broken and has never been enabled in mainline
and should thus be dropped.
Remove the hibernation bits from the gadget code, which effectively
reverts commits e1dadd3b0f27 ("usb: dwc3: workaround: bogus hibernation
events") and 7b2a0368bbc9 ("usb: dwc3: gadget: set KEEP_CONNECT in case
of hibernation") except for the spurious interrupt warning.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-5-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add the missing calls to disable autosuspend on probe errors and on
driver unbind.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-4-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure to balance the runtime PM usage count on driver unbind by
adding back the pm_runtime_allow() call that had been erroneously
removed.
Fixes: 266d0493900a ("usb: dwc3: core: don't trigger runtime pm when remove driver")
Cc: stable@vger.kernel.org # 5.9
Cc: Li Jun <jun.li@nxp.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-3-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure not to suspend the device when probe fails to avoid disabling
clocks and phys multiple times.
Fixes: 328082376aea ("usb: dwc3: fix runtime PM in error path")
Cc: stable@vger.kernel.org # 4.8
Cc: Roger Quadros <rogerq@ti.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-2-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add support for the utmi clock. It's needed on STM32MP15, when using
the integrated full-speed PHY. This clock is an output of USBPHYC, but
HS USBPHYC is not attached as PHY in this case: Full-Speed PHY is directly
managed in dwc2 glue, through GGPIO register. Typical DT when using FS PHY
&usbotg_hs {
compatible = "st,stm32mp15-fsotg", "snps,dwc2";
pinctrl-names = "default";
pinctrl-0 = <&usbotg_hs_pins_a &usbotg_fs_dp_dm_pins_a>;
vbus-supply = <&vbus_otg>;
status = "okay";
};
In this configuration, USBPHYC clock output must be defined, so it can
be properly enabled as a clock provider:
clocks = <&rcc USBO_K>, <&usbphyc>;
clock-names = "otg", "utmi";
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20230414084137.1050487-4-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add error handling in __dwc2_lowlevel_hw_enable() that may leave the
clocks and regulators enabled upon error.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20230414084137.1050487-2-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add optional clock frmcnt_ck used on 4nm or advanced process SoC
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20230407062406.12575-2-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For Realtek SoC, the usb xhci uses different driver for u2phy and u3phy.
Therefore, add a hook to retrieve the USB 3.0 PHY to XHCI plat.
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
Link: https://lore.kernel.org/r/20230407060731.20537-1-stanley_chang@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use common dev_is_pci() helper for checking PCI devices.
And if CONFIG_PCI is not defined, dev_is_pci returns false. Therefore,
CONFIG_PCI is also unnecessary, so remove it.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Link: https://lore.kernel.org/r/20230405234605.2310155-1-nobuhiro1.iwamatsu@toshiba.co.jp
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Wire up the debugfs regset device pointer so that the controller is
resumed before accessing registers to avoid crashing or locking up if it
happens to be runtime suspended.
Fixes: 02b6fdc2a153 ("usb: xhci: Add debugfs interface for xHCI driver")
Cc: stable@vger.kernel.org # 4.15: 30332eeefec8: debugfs: regset32: Add Runtime PM support
Cc: stable@vger.kernel.org # 4.15
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230405090342.7363-1-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Several USB drivers use of_platform_* functions which are declared in
of_platform.h. of_platform.h gets implicitly included by of_device.h,
but that is going to be removed soon. Nothing else depends on of_device.h
so it can be dropped.
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230410232639.1561152-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The 'ret' variable in the function tegra_xudc_gadget_vbus_draw() is not
needed and so remove this variable.
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20230405181854.42355-2-jonathanh@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit ac82b56bda5f ("usb: gadget: tegra-xudc: Add vbus_draw support")
populated the vbus_draw callback for the Tegra XUDC driver. The function
tegra_xudc_gadget_vbus_draw(), that was added by this commit, assumes
that the pointer 'curr_usbphy' has been initialised, which is not always
the case because this is only initialised when the USB role is updated.
Fix this crash, by checking that the 'curr_usbphy' is valid before
dereferencing.
Fixes: ac82b56bda5f ("usb: gadget: tegra-xudc: Add vbus_draw support")
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20230405181854.42355-1-jonathanh@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for 6.4-rc1
Here are the USB-serial updates for 6.4-rc1; a new modem device id and
an unused-function cleanup.
All have been in linux-next with no reported issues.
* tag 'usb-serial-6.4-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add UNISOC vendor and TOZED LT70C product
USB: serial: quatech2: remove unused qt2_setdevice function
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Add UNISOC vendor ID and TOZED LT70-C modem which is based from UNISOC
SL8563. The modem supports the NCM mode. Interface 0 is used for running
the AT commands. Interface 12 is the ADB interface.
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1782 ProdID=4055 Rev=04.04
S: Manufacturer=Unisoc Phone
S: Product=Unisoc Phone
S: SerialNumber=<redacted>
C: #Ifs=14 Cfg#= 1 Atr=c0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
E: Ad=82(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#=10 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=07(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8b(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#=11 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=08(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8c(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#=12 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=09(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8d(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#=13 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=0a(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
E: Ad=84(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 3 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
E: Ad=86(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 5 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 6 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0d Prot=00 Driver=cdc_ncm
E: Ad=88(I) Atr=03(Int.) MxPS= 16 Ivl=32ms
I: If#= 7 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 8 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 9 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=8a(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20230417152003.243248-1-arinc.unal@arinc9.com
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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clang with W=1 reports
drivers/usb/serial/quatech2.c:179:19: error: unused function
'qt2_setdevice' [-Werror,-Wunused-function]
static inline int qt2_setdevice(struct usb_device *dev, u8 *data)
^
This function is not used, so remove it.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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We need the USB fixes in here for testing, and this resolves two merge
conflicts, one pointed out by linux-next:
drivers/usb/dwc3/dwc3-pci.c
drivers/usb/host/xhci-pci.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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