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This is the 5.4.192 stable release
# gpg: Signature made Mon 09 May 2022 03:03:50 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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[ Upstream commit e91ac20889d1a26d077cc511365cd7ff4346a6f3 ]
In some situations software handles TRB events slower than adding TRBs.
If the number of TRB events to be processed in a given interrupt is exactly
the same as the event ring size 256, then the local variable
"event_ring_deq" that holds the initial dequeue position is equal to
software_dequeue after handling all 256 interrupts.
It will cause driver to not update ERDP to hardware,
Software dequeue pointer is out of sync with ERDP on interrupt exit.
On the next interrupt, the event ring may full but driver will not
update ERDP as software_dequeue is equal to ERDP.
[ 536.377115] xhci_hcd 0000:00:12.0: ERROR unknown event type 37
[ 566.933173] sd 8:0:0:0: [sdb] tag#27 uas_eh_abort_handler 0 uas-tag 7 inflight: CMD OUT
[ 566.933181] sd 8:0:0:0: [sdb] tag#27 CDB: Write(10) 2a 00 17 71 e6 78 00 00 08 00
[ 572.041186] xhci_hcd On some situataions,the0000:00:12.0: xHCI host not responding to stop endpoint command.
[ 572.057193] xhci_hcd 0000:00:12.0: Host halt failed, -110
[ 572.057196] xhci_hcd 0000:00:12.0: xHCI host controller not responding, assume dead
[ 572.057236] sd 8:0:0:0: [sdb] tag#26 uas_eh_abort_handler 0 uas-tag 6 inflight: CMD
[ 572.057240] sd 8:0:0:0: [sdb] tag#26 CDB: Write(10) 2a 00 38 eb cc d8 00 00 08 00
[ 572.057244] sd 8:0:0:0: [sdb] tag#25 uas_eh_abort_handler 0 uas-tag 5 inflight: CMD
Hardware ERDP is updated mid event handling if there are more than 128
events in an interrupt (half of ring size).
Fix this by updating the software local variable at the same time as
hardware ERDP.
[commit message rewording -Mathias]
Fixes: dc0ffbea5729 ("usb: host: xhci: update event ring dequeue pointer on purpose")
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Weitao Wang <WeitaoWang-oc@zhaoxin.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220408134823.2527272-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 33597f0c48be0836854d43c577e35c8f8a765a7d upstream.
The first U3 wake signal by the host may be lost if the USB 3 connection is
tunneled over USB4, with a runtime suspended USB4 host, and firmware
implemented connection manager.
Specs state the host must wait 100ms (tU3WakeupRetryDelay) before
resending a U3 wake signal if device doesn't respond, leading to U3 -> U0
link transition times around 270ms in the tunneled case.
Fixes: 0200b9f790b0 ("xhci: Wait until link state trainsits to U0 after setting USB_SS_PORT_LS_U0")
Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220408134823.2527272-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dc92944a014cd6a6f6c94299aaa36164dd2c238a upstream.
While rebooting, XHCI controller and its bus device will be shut down
in order by .shutdown callback. Stopping roothubs polling in
xhci_shutdown() can prevent XHCI driver from accessing port status
after its bus device shutdown.
Take PCIe XHCI controller as example, if XHCI driver doesn't stop roothubs
polling, XHCI driver may access PCIe BAR register for port status after
parent PCIe root port driver is shutdown and cause PCIe bus error.
[check shared hcd exist before stopping its roothub polling -Mathias]
Cc: stable@vger.kernel.org
Signed-off-by: Henry Lin <henryl@nvidia.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220408134823.2527272-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.189 stable release
# gpg: Signature made Fri 15 Apr 2022 08:18:47 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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[ Upstream commit c3c9cee592828528fd228b01d312c7526c584a42 ]
Enable Aspeed quirks in commit 7f2d73788d90 ("usb: ehci:
handshake CMD_RUN instead of STS_HALT") to support Aspeed
ehci-pci device.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20220208101657.76459-1-neal_liu@aspeedtech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 05519b8589a679edb8fa781259893d20bece04ad upstream.
xhci_decode_ctrl_ctx() returns the untouched buffer as-is if both "drop"
and "add" parameters are zero.
Fix the function to return an empty string in that case.
It was not immediately clear from the possible call chains whether this
issue is currently actually triggerable or not.
Note that before commit 4843b4b5ec64 ("xhci: fix even more unsafe memory
usage in xhci tracing") the result effect in the failure case was different
as a static buffer was used here, but the code still worked incorrectly.
Fixes: 90d6d5731da7 ("xhci: Add tracing for input control context")
Cc: stable@vger.kernel.org
Signed-off-by: Anssi Hannula <anssi.hannula@bitwise.fi>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
commit 4843b4b5ec64 ("xhci: fix even more unsafe memory usage in xhci tracing")
Link: https://lore.kernel.org/r/20220303110903.1662404-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 14073ce951b5919da450022c050772902f24f054 upstream.
xhci_reset() timeout was increased from 250ms to 10 seconds in order to
give Renesas 720201 xHC enough time to get ready in probe.
xhci_reset() is called with interrupts disabled in other places, and
waiting for 10 seconds there is not acceptable.
Add a timeout parameter to xhci_reset(), and adjust it back to 250ms
when called from xhci_stop() or xhci_shutdown() where interrupts are
disabled, and successful reset isn't that critical.
This solves issues when deactivating host mode on platforms like SM8450.
For now don't change the timeout if xHC is reset in xhci_resume().
No issues are reported for it, and we need the reset to succeed.
Locking around that reset needs to be revisited later.
Additionally change the signed integer timeout parameter in
xhci_handshake() to a u64 to match the timeout value we pass to
readl_poll_timeout_atomic()
Fixes: 22ceac191211 ("xhci: Increase reset timeout for Renesas 720201 host.")
Cc: stable@vger.kernel.org
Reported-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reported-by: Pavan Kondeti <quic_pkondeti@quicinc.com>
Tested-by: Pavan Kondeti <quic_pkondeti@quicinc.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220303110903.1662404-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 70c05e4cf63054cd755ca66c1819327b22cb085f upstream.
A race between system resume and device-initiated resume may result in
runtime PM imbalance on USB2 root hub. If a device-initiated resume
starts and system resume xhci_bus_resume() directs U0 before hub driver
sees the resuming device in RESUME state, device-initiated resume will
not be finished in xhci_handle_usb2_port_link_resume(). In this case,
usb_hcd_end_port_resume() call is missing.
This changes calls usb_hcd_end_port_resume() if resuming device reaches
U0 to keep runtime PM balance.
Fixes: a231ec41e6f6 ("xhci: refactor U0 link state handling in get_port_status")
Cc: stable@vger.kernel.org
Signed-off-by: Henry Lin <henryl@nvidia.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220303110903.1662404-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.182 stable release
# gpg: Signature made Wed 02 Mar 2022 05:41:32 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit 243a1dd7ba48c120986dd9e66fee74bcb7751034 upstream.
The -ENODEV return value from xhci_check_args() is incorrectly changed
to -EINVAL in a couple places before propagated further.
xhci_check_args() returns 4 types of value, -ENODEV, -EINVAL, 1 and 0.
xhci_urb_enqueue and xhci_check_streams_endpoint return -EINVAL if
the return value of xhci_check_args <= 0.
This causes problems for example r8152_submit_rx, calling usb_submit_urb
in drivers/net/usb/r8152.c.
r8152_submit_rx will never get -ENODEV after submiting an urb when xHC
is halted because xhci_urb_enqueue returns -EINVAL in the very beginning.
[commit message and header edit -Mathias]
Fixes: 203a86613fb3 ("xhci: Avoid NULL pointer deref when host dies.")
Cc: stable@vger.kernel.org
Signed-off-by: Hongyu Xie <xiehongyu1@kylinos.cn>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220215123320.1253947-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8b328f8002bcf29ef517ee4bf234e09aabec4d2e upstream.
When HCE(Host Controller Error) is set, it means an internal
error condition has been detected. Software needs to re-initialize
the HC, so add this check in xhci resume.
Cc: stable@vger.kernel.org
Signed-off-by: Puma Hsu <pumahsu@google.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220215123320.1253947-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.174 stable release
# gpg: Signature made Thu 27 Jan 2022 03:20:01 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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[ Upstream commit 554abfe2eadec97d12c71d4a69da1518478f69eb ]
Enable ast2600 uhci quirks.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20211126100021.2331024-1-neal_liu@aspeedtech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.4.170 stable release
# gpg: Signature made Wed 05 Jan 2022 06:37:51 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit e4844092581ceec22489b66c42edc88bc6079783 upstream.
The Fresco Logic FL1100 controller needs the TRUST_TX_LENGTH quirk like
other Fresco controllers, but should not have the BROKEN_MSI quirks set.
BROKEN_MSI quirk causes issues in detecting usb drives connected to docks
with this FL1100 controller.
The BROKEN_MSI flag was apparently accidentally set together with the
TRUST_TX_LENGTH quirk
Original patch went to stable so this should go there as well.
Fixes: ea0f69d82119 ("xhci: Enable trust tx length quirk for Fresco FL11 USB controller")
Cc: stable@vger.kernel.org
cc: Nikolay Martynov <mar.kolya@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211221112825.54690-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.168 stable release
# gpg: Signature made Wed 22 Dec 2021 03:29:57 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit f886d4fbb7c97b8f5f447c92d2dab99c841803c0 upstream.
AMD's Yellow Carp platform has few more XHCI controllers,
enable the runtime power management support for the same.
Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211215093216.1839065-1-Nehal-Bakulchandra.shah@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.165 stable release
# gpg: Signature made Tue 14 Dec 2021 08:49:12 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This is the 5.4.164 stable release
# gpg: Signature made Wed 08 Dec 2021 03:01:35 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit 7faac1953ed1f658f719cdf7bb7303fa5eef822c upstream.
Make xhci_disable_slot() synchronous, thus ensuring it, and
xhci_free_dev() calling it return after xHC controller completes
the disable slot command.
Otherwise the roothub and xHC host may runtime suspend, and clear the
command ring while the disable slot command is being processed.
This causes a command completion mismatch as the completion event can't
be mapped to the correct command.
Command ring gets out of sync and commands time out.
Driver finally assumes host is unresponsive and bails out.
usb 2-4: USB disconnect, device number 10
xhci_hcd 0000:00:0d.0: ERROR mismatched command completion event
...
xhci_hcd 0000:00:0d.0: xHCI host controller not responding, assume dead
xhci_hcd 0000:00:0d.0: HC died; cleaning up
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211210141735.1384209-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 811ae81320da53a5670c36970cefacca8519f90e upstream.
When the xHCI is quirked with XHCI_RESET_ON_RESUME, runtime resume
routine also resets the controller.
This is bad for USB drivers without reset_resume callback, because
there's no subsequent call of usb_dev_complete() ->
usb_resume_complete() to force rebinding the driver to the device. For
instance, btusb device stops working after xHCI controller is runtime
resumed, if the controlled is quirked with XHCI_RESET_ON_RESUME.
So always take XHCI_RESET_ON_RESUME into account to solve the issue.
Cc: <stable@vger.kernel.org>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211210141735.1384209-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 09f736aa95476631227d2dc0e6b9aeee1ad7ed58 upstream.
Turns out some xHC controllers require all 64 bits in the CRCR register
to be written to execute a command abort.
The lower 32 bits containing the command abort bit is written first.
In case the command ring stops before we write the upper 32 bits then
hardware may use these upper bits to set the commnd ring dequeue pointer.
Solve this by making sure the upper 32 bits contain a valid command
ring dequeue pointer.
The original patch that only wrote the first 32 to stop the ring went
to stable, so this fix should go there as well.
Fixes: ff0e50d3564f ("xhci: Fix command ring pointer corruption while aborting a command")
Cc: stable@vger.kernel.org
Tested-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211126122340.1193239-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.162 stable release
# gpg: Signature made Fri 26 Nov 2021 04:47:38 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This is the 5.4.160 stable release
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
# gpg: Signature made Wed 17 Nov 2021 03:49:25 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
# Conflicts:
# arch/arm/Makefile
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commit fc153aba3ef371d0d76eb88230ed4e0dee5b38f2 upstream.
Instead of maintaining a single-linked list of devices that must be
searched linearly in .remove() just use spi_set_drvdata() to remember the
link between the spi device and the driver struct. Then the global list
and the next member can be dropped.
This simplifies the driver, reduces the memory footprint and the time to
search the list. Also it makes obvious that there is always a corresponding
driver struct for a given device in .remove(), so the error path for
!max3421_hcd can be dropped, too.
As a side effect this fixes a data inconsistency when .probe() races with
itself for a second max3421 device in manipulating max3421_hcd_list. A
similar race is fixed in .remove(), too.
Fixes: 2d53139f3162 ("Add support for using a MAX3421E chip as a host driver.")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211018204028.2914597-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9eff2b2e59fda25051ab36cd1cb5014661df657b ]
It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211011134920.118477-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 660a92a59b9e831a0407e41ff62875656d30006e upstream.
AMD's Yellow Carp platform supports runtime power management for
XHCI Controllers, so enable the same by default for all XHCI Controllers.
[ regrouped and aligned the PCI_DEVICE_ID definitions -Mathias]
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211014121200.75433-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e1959faf085b004e6c3afaaaa743381f00e7c015 upstream.
Some USB 3.1 enumeration issues were reported after the hub driver removed
the minimum 100ms limit for the power-on-good delay.
Since commit 90d28fb53d4a ("usb: core: reduce power-on-good delay time of
root hub") the hub driver sets the power-on-delay based on the
bPwrOn2PwrGood value in the hub descriptor.
xhci driver has a 20ms bPwrOn2PwrGood value for both roothubs based
on xhci spec section 5.4.8, but it's clearly not enough for the
USB 3.1 devices, causing enumeration issues.
Tests indicate full 100ms delay is needed.
Reported-by: Walt Jr. Brake <mr.yming81@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Fixes: 90d28fb53d4a ("usb: core: reduce power-on-good delay time of root hub")
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211105160036.549516-1-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.159 stable release
# gpg: Signature made Fri 12 Nov 2021 08:43:11 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit 7f2d73788d9067fd4f677ac5f60ffd25945af7af upstream.
For Aspeed, HCHalted status depends on not only Run/Stop but also
ASS/PSS status.
Handshake CMD_RUN on startup instead.
Tested-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Tao Ren <rentao.bupt@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
Link: https://lore.kernel.org/r/20210910073619.26095-1-neal_liu@aspeedtech.com
Cc: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.158 stable release
# gpg: Signature made Sat 06 Nov 2021 09:04:57 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This reverts commit 2d7c20db7220bc8dbc560de6e58f024696c790e5 which is
commit b7a0a792f864583207c593b50fd1b752ed89f4c1 upstream.
It has been reported to be causing problems in Arch and Fedora bug
reports.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Link: https://bbs.archlinux.org/viewtopic.php?pid=2000956#p2000956
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2019542
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2019576
Link: https://lore.kernel.org/r/42bcbea6-5eb8-16c7-336a-2cb72e71bc36@redhat.com
Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: Chris Chiu <chris.chiu@canonical.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.155 stable release
# gpg: Signature made Wed 20 Oct 2021 05:41:34 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit ea0f69d8211963c4b2cc1998b86779a500adb502 upstream.
Tested on SD5200T TB3 dock which has Fresco Logic FL1100 USB 3.0 Host
Controller.
Before this patch streaming video from USB cam made mouse and keyboard
connected to the same USB bus unusable. Also video was jerky.
With this patch streaming video doesn't have any effect on other
periferals and video is smooth.
Cc: stable@vger.kernel.org
Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ff0e50d3564f33b7f4b35cadeabd951d66cfc570 upstream.
The command ring pointer is located at [6:63] bits of the command
ring control register (CRCR). All the control bits like command stop,
abort are located at [0:3] bits. While aborting a command, we read the
CRCR and set the abort bit and write to the CRCR. The read will always
give command ring pointer as all zeros. So we essentially write only
the control bits. Since we split the 64 bit write into two 32 bit writes,
there is a possibility of xHC command ring stopped before the upper
dword (all zeros) is written. If that happens, xHC updates the upper
dword of its internal command ring pointer with all zeros. Next time,
when the command ring is restarted, we see xHC memory access failures.
Fix this issue by only writing to the lower dword of CRCR where all
control bits are located.
Cc: stable@vger.kernel.org
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a01ba2a3378be85538e0183ae5367c1bc1d5aaf3 upstream.
See https://github.com/raspberrypi/linux/issues/3981
Two read-modify-write cycles on ep->ep_state are not guarded by
xhci->lock. Fix these.
Fixes: f5249461b504 ("xhci: Clear the host side toggle manually when endpoint is soft reset")
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.150 stable release
# gpg: Signature made Thu 30 Sep 2021 04:09:56 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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commit b7a0a792f864583207c593b50fd1b752ed89f4c1 upstream.
Set "HCD_FLAG_DEFER_RH_REGISTER" to hcd->flags in xhci_run() to defer
registering primary roothub in usb_add_hcd(). This will make sure both
primary roothub and secondary roothub will be registered along with the
second HCD. This is required for cold plugged USB devices to be detected
in certain PCIe USB cards (like Inateck USB card connected to AM64 EVM
or J7200 EVM).
CC: stable@vger.kernel.org # 5.4+
Suggested-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Tested-by: Chris Chiu <chris.chiu@canonical.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Link: https://lore.kernel.org/r/20210909064200.16216-3-kishon@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 5.4.148 stable release
# gpg: Signature made Wed 22 Sep 2021 06:26:59 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This is the 5.4.146 stable release
# gpg: Signature made Wed 15 Sep 2021 03:47:47 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This is the 5.4.145 stable release
# gpg: Signature made Sun 12 Sep 2021 02:57:32 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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quirk set"
[ Upstream commit 2847c46c61486fd8bca9136a6e27177212e78c69 ]
This reverts commit 5d5323a6f3625f101dbfa94ba3ef7706cce38760.
That commit effectively disabled Intel host initiated U1/U2 lpm for devices
with periodic endpoints.
Before that commit we disabled host initiated U1/U2 lpm if the exit latency
was larger than any periodic endpoint service interval, this is according
to xhci spec xhci 1.1 specification section 4.23.5.2
After that commit we incorrectly checked that service interval was smaller
than U1/U2 inactivity timeout. This is not relevant, and can't happen for
Intel hosts as previously set U1/U2 timeout = 105% * service interval.
Patch claimed it solved cases where devices can't be enumerated because of
bandwidth issues. This might be true but it's a side effect of accidentally
turning off lpm.
exit latency calculations have been revised since then
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210820123503.2605901-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 61136a12cbed234374ec6f588af57c580b20b772 ]
mv_ehci_enable() did not disable and unprepare clocks in case of
failures of phy_init(). Besides, it did not take into account failures
of ehci_clock_enable() (in effect, failures of clk_prepare_enable()).
The patch fixes both issues and gets rid of redundant wrappers around
clk_prepare_enable() and clk_disable_unprepare() to simplify this a bit.
Found by Linux Driver Verification project (linuxtesting.org).
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Link: https://lore.kernel.org/r/20210708083056.21543-1-novikov@ispras.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 091cb2f782f32ab68c6f5f326d7868683d3d4875 ]
We should acquire the actual_length of an iso packet
from the iTD directly using FOTG210_ITD_LENGTH() macro.
Signed-off-by: Kelly Devilliv <kelly.devilliv@gmail.com>
Link: https://lore.kernel.org/r/20210627125747.127646-4-kelly.devilliv@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c2e898764245c852bc8ee4857613ba4f3a6d761d ]
Now that usb_endpoint_maxp() only returns the lowest
11 bits from wMaxPacketSize, we should make use of the
usb_endpoint_* helpers instead and remove the unnecessary
max_packet()/hb_mult() macro.
Signed-off-by: Kelly Devilliv <kelly.devilliv@gmail.com>
Link: https://lore.kernel.org/r/20210627125747.127646-3-kelly.devilliv@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4720f1bf4ee4a784d9ece05420ba33c9222a3004 ]
ehci_orion_drv_probe() did not account for possible errors of
clk_prepare_enable() that in particular could cause invocation of
clk_disable_unprepare() on clocks that were not prepared/enabled yet,
e.g. in remove or on handling errors of usb_add_hcd() in probe. Though,
there were several patches fixing different issues with clocks in this
driver, they did not solve this problem.
Add handling of errors of clk_prepare_enable() in ehci_orion_drv_probe()
to avoid calls of clk_disable_unprepare() without previous successful
invocation of clk_prepare_enable().
Found by Linux Driver Verification project (linuxtesting.org).
Fixes: 8c869edaee07 ("ARM: Orion: EHCI: Add support for enabling clocks")
Co-developed-by: Kirill Shilimanov <kirill.shilimanov@huawei.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Signed-off-by: Kirill Shilimanov <kirill.shilimanov@huawei.com>
Link: https://lore.kernel.org/r/20210825170902.11234-1-novikov@ispras.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4ac5132e8a4300637a2da8f5d6bc7650db735b8a ]
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to usb_add_hcd() (which takes
*unsigned* IRQ #), causing request_irq() that it calls to fail with
-EINVAL, overriding an original error code. Stop calling usb_add_hcd()
with the invalid IRQ #s.
Fixes: 78c73414f4f6 ("USB: ohci: add support for tmio-ohci cell")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/402e1a45-a0a4-0e08-566a-7ca1331506b1@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit cbf286e8ef8337308c259ff5b9ce2e74d403be5a upstream.
Removes static char buffer usage in the following decode functions:
xhci_decode_trb()
xhci_decode_ptortsc()
Caller must provide a buffer to use.
In tracing use __get_str() as recommended to pass buffer.
Minor chanes are needed in xhci debugfs code as these functions are also
used there. Changes include moving XHCI_MSG_MAX definititon from
xhci-trace.h to xhci.h
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20210820123503.2605901-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 57f3ffdc11143f56f1314972fe86fe17a0dcde85 upstream.
According to the datasheet, "Upon the completion of FW Download,
there is no need to write or reload FW.". Otherwise, it's possible
to cause unexpected behaviors. So, adds such a condition.
Fixes: 4ac8918f3a73 ("usb: host: xhci-plat: add support for the R-Car H2 and M2 xHCI controllers")
Cc: stable@vger.kernel.org # v3.17+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20210827063227.81990-1-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bruce Ashfield
Weitao Wang
Mathias Nyman
Henry Lin
Neal Liu
Anssi Hannula
Hongyu Xie
Puma Hsu
Nehal Bakulchandra Shah
Kai-Heng Feng
Uwe Kleine-König
Yang Yingliang
Greg Kroah-Hartman
Nikolay Martynov
Pavankumar Kondeti
Jonathan Bell
Kishon Vijay Abraham I
Evgeny Novikov
Kelly Devilliv
Sergey Shtylyov
Yoshihiro Shimoda