Device tree property is named typec-power-opmode, not power-opmode.
Fixes: da0cb63100 ("usb: typec: add support for STUSB160x Type-C controller family")
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201127131735.28280-1-amelie.delaunay@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 2f964780c0 ("USB: core: replace %p with %pK") used the %pK
format specifier for a bunch of __user pointers. But as the 'K' in
the specifier indicates, it is meant for kernel pointers. The reason
for the %pK specifier is to avoid leaks of kernel addresses, but when
the pointer is to an address in userspace the security implications
are minimal. In particular, no kernel information is leaked.
This patch changes the __user %pK specifiers (used in a bunch of
debugging output lines) to %px, which will always print the actual
address with no mangling. (Notably, there is no printk format
specifier particularly intended for __user pointers.)
Fixes: 2f964780c0 ("USB: core: replace %p with %pK")
CC: Vamsi Krishna Samavedam <vskrishn@codeaurora.org>
CC: <stable@vger.kernel.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20201119170228.GB576844@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 3e4f8e21c4 ("USB: core: fix check for duplicate endpoints")
aimed to make the USB stack more reliable by detecting and skipping
over endpoints that are duplicated between interfaces. This caused a
regression for a Hercules audio card (reported as Bugzilla #208357),
which contains such non-compliant duplications. Although the
duplications are harmless, skipping the valid endpoints prevented the
device from working.
This patch fixes the regression by adding ENDPOINT_IGNORE quirks for
the Hercules card, telling the kernel to ignore the invalid duplicate
endpoints and thereby allowing the valid endpoints to be used as
intended.
Fixes: 3e4f8e21c4 ("USB: core: fix check for duplicate endpoints")
CC: <stable@vger.kernel.org>
Reported-by: Alexander Chalikiopoulos <bugzilla.kernel.org@mrtoasted.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20201119170040.GA576844@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
usb_get_gadget_udc_name will alloc memory for CHIP
in "Enomem" branch. we should free it before error
returns to prevent memleak.
Fixes: 175f712119 ("usb: gadget: provide interface for legacy gadgets to get UDC name")
Reported-by: Hulk Robot <hulkci@huawei.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201117021629.1470544-3-zhangqilong3@huawei.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In the error path, if midi is not null, we should
free the midi->id if necessary to prevent memleak.
Fixes: b85e9de9e8 ("usb: gadget: f_midi: convert to new function interface with backward compatibility")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201117021629.1470544-2-zhangqilong3@huawei.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a USB_QUIRK_DISCONNECT_SUSPEND quirk for the Lenovo TIO built-in
usb-audio. when A630Z going into S3,the system immediately wakeup 7-8
seconds later by usb-audio disconnect interrupt to avoids the issue.
eg dmesg:
....
[ 626.974091 ] usb 7-1.1: USB disconnect, device number 3
....
....
[ 1774.486691] usb 7-1.1: new full-speed USB device number 5 using xhci_hcd
[ 1774.947742] usb 7-1.1: New USB device found, idVendor=17ef, idProduct=a012, bcdDevice= 0.55
[ 1774.956588] usb 7-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1774.964339] usb 7-1.1: Product: Thinkcentre TIO24Gen3 for USB-audio
[ 1774.970999] usb 7-1.1: Manufacturer: Lenovo
[ 1774.975447] usb 7-1.1: SerialNumber: 000000000000
[ 1775.048590] usb 7-1.1: 2:1: cannot get freq at ep 0x1
.......
Seeking a better fix, we've tried a lot of things, including:
- Check that the device's power/wakeup is disabled
- Check that remote wakeup is off at the USB level
- All the quirks in drivers/usb/core/quirks.c
e.g. USB_QUIRK_RESET_RESUME,
USB_QUIRK_RESET,
USB_QUIRK_IGNORE_REMOTE_WAKEUP,
USB_QUIRK_NO_LPM.
but none of that makes any difference.
There are no errors in the logs showing any suspend/resume-related issues.
When the system wakes up due to the modem, log-wise it appears to be a
normal resume.
Introduce a quirk to disable the port during suspend when the modem is
detected.
Signed-off-by: penghao <penghao@uniontech.com>
Link: https://lore.kernel.org/r/20201118123039.11696-1-penghao@uniontech.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix build errors when CONFIG_TYPEC_QCOM_PMIC=y and
CONFIG_USB_ROLE_SWITCH=m by limiting the former to =m when
USB_ROLE_SWITCH also =m.
powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_remove':
qcom-pmic-typec.c:(.text+0x28): undefined reference to `.usb_role_switch_set_role'
powerpc64-linux-ld: qcom-pmic-typec.c:(.text+0x64): undefined reference to `.usb_role_switch_put'
powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_check_connection':
qcom-pmic-typec.c:(.text+0x120): undefined reference to `.usb_role_switch_set_role'
powerpc64-linux-ld: drivers/usb/typec/qcom-pmic-typec.o: in function `.qcom_pmic_typec_probe':
qcom-pmic-typec.c:(.text+0x360): undefined reference to `.fwnode_usb_role_switch_get'
powerpc64-linux-ld: qcom-pmic-typec.c:(.text+0x4e4): undefined reference to `.usb_role_switch_put'
Fixes: 6c8cf36951 ("usb: typec: Add QCOM PMIC typec detection driver")
Cc: linux-usb@vger.kernel.org
Cc: Wesley Cheng <wcheng@codeaurora.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20201116040653.7943-1-rdunlap@infradead.org
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- TD_SIZE entry at descriptor is error for multiple-trb use case
- Possible use uninitialized variables
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Merge tag 'usb-fixes-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus
Peter writes:
Two bugs for Cadence USB3 gadget driver
- TD_SIZE entry at descriptor is error for multiple-trb use case
- Possible use uninitialized variables
* tag 'usb-fixes-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
usb: cdns3: gadget: calculate TD_SIZE based on TD
usb: cdns3: gadget: initialize link_trb as NULL
The TRB entry TD_SIZE is the packet number for the TD (request) but not the
each TRB, so it only needs to be assigned for the first TRB during the TD,
and the value of it is for TD too.
Fixes: 7733f6c32e ("usb: cdns3: Add Cadence USB3 DRD Driver")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
There is an uninitialized variable "link_trb" usage at function cdns3_ep_run_transfer.
Fixed it by initialize "link_trb" as NULL.
Fixes: 4e218882eb ("usb: cdns3: gadget: improve the dump TRB operation at cdns3_ep_run_transfer")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Renesas R-Car and RZ/G SoCs have a firmware download mode over USB.
However, on reset a banner string is transmitted out which is not expected
to be echoed back and will corrupt the protocol.
Cc: stable <stable@vger.kernel.org>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Link: https://lore.kernel.org/r/20201111131209.3977903-1-chris.brandt@renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When the ucsi power supply goes online/offline, and when the
power levels change, the power supply class needs to be
notified so it can inform the user space.
Fixes: 992a60ed0d ("usb: typec: ucsi: register with power_supply class")
Cc: stable@vger.kernel.org
Reported-and-tested-by: Vladimir Yerilov <openmindead@gmail.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201110120547.67922-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pm_runtime_get_sync() will increment pm usage at first and it
will resume the device later. We should decrease the usage count
whetever it succeeded or failed(maybe runtime of the device has
error, or device is in inaccessible state, or other error state).
If we do not call put operation to decrease the reference, it will
result in reference leak in xhci_histb_probe. Moreover, this
device cannot enter the idle state and always stay busy or other
non-idle state later. So we fixed it by jumping to error handling
branch.
Fixes: c508f41da0 ("xhci: hisilicon: support HiSilicon STB xHCI host controller")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201106122221.2304528-1-zhangqilong3@huawei.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 2d30e408a2.
On Beaglebone Black, where each interface has 2 children:
musb-dsps 47401c00.usb: can't request region for resource [mem 0x47401800-0x474019ff]
musb-hdrc musb-hdrc.1: musb_init_controller failed with status -16
musb-hdrc: probe of musb-hdrc.1 failed with error -16
musb-dsps 47401400.usb: can't request region for resource [mem 0x47401000-0x474011ff]
musb-hdrc musb-hdrc.0: musb_init_controller failed with status -16
musb-hdrc: probe of musb-hdrc.0 failed with error -16
Before, devm_ioremap_resource() was called on "dev" ("musb-hdrc.0" or
"musb-hdrc.1"), after it is called on "&pdev->dev" ("47401400.usb" or
"47401c00.usb"), leading to a duplicate region request, which fails.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fixes: 2d30e408a2 ("usb: musb: convert to devm_platform_ioremap_resource_byname")
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201112135900.3822599-1-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here's a fix for a long-standing issue with the cyberjack driver and
some new device ids.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.10-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for 5.10-rc3
Here's a fix for a long-standing issue with the cyberjack driver and
some new device ids.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.10-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add Telit FN980 composition 0x1055
USB: serial: option: add LE910Cx compositions 0x1203, 0x1230, 0x1231
USB: serial: cyberjack: fix write-URB completion race
USB: serial: option: add Quectel EC200T module support
pm_runtime_get_sync() will increment pm usage at first and it
will resume the device later. If runtime of the device has
error or device is in inaccessible state(or other error state),
resume operation will fail. If we do not call put operation to
decrease the reference, the result is that this device cannot
enter the idle state and always stay busy or other non-idle
state.
Fixes: 249fa8217b ("USB: Add driver to control USB fast charge for iOS devices")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201102022650.67115-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The write-URB busy flag was being cleared before the completion handler
was done with the URB, something which could lead to corrupt transfers
due to a racing write request if the URB is resubmitted.
Fixes: 507ca9bc04 ("[PATCH] USB: add ability for usb-serial drivers to determine if their write urb is currently being used.")
Cc: stable <stable@vger.kernel.org> # 2.6.13
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
In Bugzilla #208257, Julien Humbert reports that a 32-GB Kingston
flash drive spontaneously disconnects and reconnects, over and over.
Testing revealed that disabling Link Power Management for the drive
fixed the problem.
This patch adds a quirk entry for that drive to turn off LPM permanently.
CC: Hans de Goede <jwrdegoede@fedoraproject.org>
CC: <stable@vger.kernel.org>
Reported-and-tested-by: Julien Humbert <julroy67@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20201102145821.GA1478741@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Nothing major as of yet, we're adding support for Intel Alder Lake-S
in dwc3, together with a few fixes that are quite important (memory
leak in raw-gadget, probe crashes in goku_udc, and so on).
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Merge tag 'fixes-for-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
USB: fixes for v5.10-rc2
Nothing major as of yet, we're adding support for Intel Alder Lake-S
in dwc3, together with a few fixes that are quite important (memory
leak in raw-gadget, probe crashes in goku_udc, and so on).
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'fixes-for-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
usb: raw-gadget: fix memory leak in gadget_setup
usb: dwc2: Avoid leaving the error_debugfs label unused
usb: dwc3: ep0: Fix delay status handling
usb: gadget: fsl: fix null pointer checking
usb: gadget: goku_udc: fix potential crashes in probe
usb: dwc3: pci: add support for the Intel Alder Lake-S
The biggest fix is changing endpoint configuration method to
avoid FIFO overflow at multiple endpoints situation.
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Merge tag 'usb-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus
Peter writes:
4 bug fixes for Cadence 3 driver.
The biggest fix is changing endpoint configuration method to
avoid FIFO overflow at multiple endpoints situation.
* tag 'usb-v5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
usb: cdns3: gadget: own the lock wrongly at the suspend routine
usb: cdns3: Fix on-chip memory overflow issue
usb: cdns3: gadget: suspicious implicit sign extension
usb: cdns3: Variable 'length' set but not used
When the system goes to suspend, if the controller is at device mode with
cable connecting to host, the call stack is: cdns3_suspend->
cdns3_gadget_suspend -> cdns3_disconnect_gadget, after cdns3_disconnect_gadget
is called, it owns lock wrongly, it causes the system being deadlock after
resume due to at cdns3_device_thread_irq_handler, it tries to get the lock,
but can't get it forever.
To fix it, we delete the unlock-lock operations at cdns3_disconnect_gadget,
and do it at the caller.
Fixes: b1234e3b3b ("usb: cdns3: add runtime PM support")
Acked-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Patch fixes issue caused setting On-chip memory overflow bit in usb_sts
register. The issue occurred because EP_CFG register was set twice
before USB_STS.CFGSTS was set. Every write operation on EP_CFG.BUFFERING
causes that controller increases internal counter holding the number
of reserved on-chip buffers. First time this register was updated in
function cdns3_ep_config before delegating SET_CONFIGURATION request
to class driver and again it was updated when class wanted to enable
endpoint. This patch fixes this issue by configuring endpoints
enabled by class driver in cdns3_gadget_ep_enable and others just
before status stage.
Cc: stable@vger.kernel.org#v5.8+
Fixes: 7733f6c32e ("usb: cdns3: Add Cadence USB3 DRD Driver")
Reported-and-tested-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
The code:
trb->length = cpu_to_le32(TRB_BURST_LEN(priv_ep->trb_burst_size)
| TRB_LEN(length));
TRB_BURST_LEN(priv_ep->trb_burst_size) may be overflow for int 32 if
priv_ep->trb_burst_size is equal or larger than 0x80;
Below is the Coverity warning:
sign_extension: Suspicious implicit sign extension: priv_ep->trb_burst_size
with type u8 (8 bits, unsigned) is promoted in priv_ep->trb_burst_size << 24
to type int (32 bits, signed), then sign-extended to type unsigned long
(64 bits, unsigned). If priv_ep->trb_burst_size << 24 is greater than 0x7FFFFFFF,
the upper bits of the result will all be 1.
To fix it, it needs to add an explicit cast to unsigned int type for ((p) << 24).
Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Creating debugfs files while loding the spin_lock_irqsave(xhci->lock)
creates a lock dependecy that could possibly deadlock.
Lockdep warns:
=====================================================
WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
5.10.0-rc1pdx86+ #8 Not tainted
-----------------------------------------------------
systemd-udevd/386 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffffffffb1a94038 (pin_fs_lock){+.+.}-{2:2}, at: simple_pin_fs+0x22/0xa0
and this task is already holding:
ffff9e7b87fbc430 (&xhci->lock){-.-.}-{2:2}, at: xhci_alloc_streams+0x5f9/0x810
which would create a new lock dependency:
(&xhci->lock){-.-.}-{2:2} -> (pin_fs_lock){+.+.}-{2:2}
Create the files a bit later after lock is released.
Fixes: 673d746836 ("usb: xhci: add debugfs support for ep with stream")
CC: Li Jun <jun.li@nxp.com>
Reported-by: Hans de Goede <hdegoede@redhat.com>
Reported-by: Mike Galbraith <efault@gmx.de>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20201028203124.375344-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On some platform of AMD, S3 fails with HCE and SRE errors. To fix this,
need to disable a bit which is enable in sparse controller.
Cc: stable@vger.kernel.org #v4.19+
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sandeep Singh <sandeep.singh@amd.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20201028203124.375344-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
An incorrect sizeof() is being used, sizeof(rhub->ports) is not
correct, it should be sizeof(*rhub->ports). This bug did not
cause any issues because it just so happens the sizes are the same.
Fixes: bcaa9d5c59 ("xhci: Create new structures to store xhci port information")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20201028203124.375344-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
chip->port_type and chip->pwr_opmode are enums and when GCC considers them
as unsigned, the conditions are never met.
This patch takes advantage of the ret variable and fixes the following
warnings:
drivers/usb/typec/stusb160x.c:548 stusb160x_get_fw_caps() warn: unsigned 'chip->port_type' is never less than zero.
drivers/usb/typec/stusb160x.c:570 stusb160x_get_fw_caps() warn: unsigned 'chip->pwr_opmode' is never less than zero.
Fixes: da0cb63100 ("usb: typec: add support for STUSB160x Type-C controller family")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20201028163309.12878-1-amelie.delaunay@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When stusb160x driver is built as a module, no modalias information is
available, and it prevents the module to be loaded by udev.
Add MODULE_DEVICE_TABLE() to fix this issue.
Fixes: da0cb63100 ("usb: typec: add support for STUSB160x Type-C controller family")
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Link: https://lore.kernel.org/r/20201028151703.31195-1-amelie.delaunay@st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
From: Bastien Nocera <hadess@hadess.net>
Contrary to the comment above the id table, we didn't implement a match
function. This meant that every single Apple device that was already
plugged in to the computer would have its device driver reprobed
when the apple-mfi-fastcharge driver was loaded, eg. the SD card reader
could be reprobed when the apple-mfi-fastcharge after pivoting root
during boot up and the module became available.
Make sure that the driver probe isn't being run for unsupported
devices by adding a match function that checks the product ID, in
addition to the id_table checking the vendor ID.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1878347
Link: https://lore.kernel.org/linux-usb/CAE3RAxt0WhBEz8zkHrVO5RiyEOasayy1QUAjsv-pB0fAbY1GSw@mail.gmail.com/
Fixes: 249fa8217b ("USB: Add driver to control USB fast charge for iOS devices")
Cc: <stable@vger.kernel.org> # 5.8
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
[m.v.b: Add Link and Reported-by tags to the commit message]
Reported-by: Pany <pany@fedoraproject.org>
Tested-by: Pan (Pany) YUAN <pany@fedoraproject.org>
Tested-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com>
Link: https://lore.kernel.org/r/20201022135521.375211-3-m.v.b@runbox.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
From: Bastien Nocera <hadess@hadess.net>
When a USB device driver has both an id_table and a match() function, make
sure to check both to find a match, first matching the id_table, then
checking the match() function.
This makes it possible to have module autoloading done through the
id_table when devices are plugged in, before checking for further
device eligibility in the match() function.
Cc: <stable@vger.kernel.org> # 5.8
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Co-developed-by: M. Vefa Bicakci <m.v.b@runbox.com>
Tested-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com>
Tested-by: Pan (Pany) YUAN <pany@fedoraproject.org>
Link: https://lore.kernel.org/r/20201022135521.375211-2-m.v.b@runbox.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If the function platform_get_irq() failed, the negative value
returned will not be detected here. So fix error handling in
tegra_ehci_probe().
Fixes: 79ad3b5add ("usb: host: Add EHCI driver for NVIDIA Tegra SoCs")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20201026090657.49988-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The typec_register_port() function doesn't return NULL, it returns error
pointers.
Fixes: da0cb63100 ("usb: typec: add support for STUSB160x Type-C controller family")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201023114017.GE18329@kadam
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Current tcpm_detach() only reset hard_reset_count if port->attached
is true, this may cause this counter clear is missed if the CC
disconnect event is generated after tcpm_port_reset() is done
by other events, e.g. VBUS off comes first before CC disconect for
a power sink, in that case the first tcpm_detach() will only clear
port->attached flag but leave hard_reset_count there because
tcpm_port_is_disconnected() is still false, then later tcpm_detach()
by CC disconnect will directly return due to port->attached is cleared,
finally this will result tcpm will not try hard reset or error recovery
for later attach.
ChiYuan reported this issue on his platform with below tcpm trace:
After power sink session setup after hard reset 2 times, detach
from the power source and then attach:
[ 4848.046358] VBUS off
[ 4848.046384] state change SNK_READY -> SNK_UNATTACHED
[ 4848.050908] Setting voltage/current limit 0 mV 0 mA
[ 4848.050936] polarity 0
[ 4848.052593] Requesting mux state 0, usb-role 0, orientation 0
[ 4848.053222] Start toggling
[ 4848.086500] state change SNK_UNATTACHED -> TOGGLING
[ 4848.089983] CC1: 0 -> 0, CC2: 3 -> 3 [state TOGGLING, polarity 0, connected]
[ 4848.089993] state change TOGGLING -> SNK_ATTACH_WAIT
[ 4848.090031] pending state change SNK_ATTACH_WAIT -> SNK_DEBOUNCED @200 ms
[ 4848.141162] CC1: 0 -> 0, CC2: 3 -> 0 [state SNK_ATTACH_WAIT, polarity 0, disconnected]
[ 4848.141170] state change SNK_ATTACH_WAIT -> SNK_ATTACH_WAIT
[ 4848.141184] pending state change SNK_ATTACH_WAIT -> SNK_UNATTACHED @20 ms
[ 4848.163156] state change SNK_ATTACH_WAIT -> SNK_UNATTACHED [delayed 20 ms]
[ 4848.163162] Start toggling
[ 4848.216918] CC1: 0 -> 0, CC2: 0 -> 3 [state TOGGLING, polarity 0, connected]
[ 4848.216954] state change TOGGLING -> SNK_ATTACH_WAIT
[ 4848.217080] pending state change SNK_ATTACH_WAIT -> SNK_DEBOUNCED @200 ms
[ 4848.231771] CC1: 0 -> 0, CC2: 3 -> 0 [state SNK_ATTACH_WAIT, polarity 0, disconnected]
[ 4848.231800] state change SNK_ATTACH_WAIT -> SNK_ATTACH_WAIT
[ 4848.231857] pending state change SNK_ATTACH_WAIT -> SNK_UNATTACHED @20 ms
[ 4848.256022] state change SNK_ATTACH_WAIT -> SNK_UNATTACHED [delayed20 ms]
[ 4848.256049] Start toggling
[ 4848.871148] VBUS on
[ 4848.885324] CC1: 0 -> 0, CC2: 0 -> 3 [state TOGGLING, polarity 0, connected]
[ 4848.885372] state change TOGGLING -> SNK_ATTACH_WAIT
[ 4848.885548] pending state change SNK_ATTACH_WAIT -> SNK_DEBOUNCED @200 ms
[ 4849.088240] state change SNK_ATTACH_WAIT -> SNK_DEBOUNCED [delayed200 ms]
[ 4849.088284] state change SNK_DEBOUNCED -> SNK_ATTACHED
[ 4849.088291] polarity 1
[ 4849.088769] Requesting mux state 1, usb-role 2, orientation 2
[ 4849.088895] state change SNK_ATTACHED -> SNK_STARTUP
[ 4849.088907] state change SNK_STARTUP -> SNK_DISCOVERY
[ 4849.088915] Setting voltage/current limit 5000 mV 0 mA
[ 4849.088927] vbus=0 charge:=1
[ 4849.090505] state change SNK_DISCOVERY -> SNK_WAIT_CAPABILITIES
[ 4849.090828] pending state change SNK_WAIT_CAPABILITIES -> SNK_READY @240 ms
[ 4849.335878] state change SNK_WAIT_CAPABILITIES -> SNK_READY [delayed240 ms]
this patch fix this issue by clear hard_reset_count at any cases
of cc disconnect, í.e. don't check port->attached flag.
Fixes: 4b4e02c831 ("typec: tcpm: Move out of staging")
Cc: stable@vger.kernel.org
Reported-and-tested-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1602500592-3817-1-git-send-email-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit a4e7279cd1 ("cdc-acm: introduce a cool down") is causing
regression if there is some USB error, such as -EPROTO.
This has been reported on some samples of the Odroid-N2 using the Combee II
Zibgee USB dongle.
> struct acm *acm = container_of(work, struct acm, work)
is incorrect in case of a delayed work and causes warnings, usually from
the workqueue:
> WARNING: CPU: 0 PID: 0 at kernel/workqueue.c:1474 __queue_work+0x480/0x528.
When this happens, USB eventually stops working completely after a while.
Also the ACM_ERROR_DELAY bit is never set, so the cooldown mechanism
previously introduced cannot be triggered and acm_submit_read_urb() is
never called.
This changes makes the cdc-acm driver use a single delayed work, fixing the
pointer arithmetic in acm_softint() and set the ACM_ERROR_DELAY when the
cooldown mechanism appear to be needed.
Fixes: a4e7279cd1 ("cdc-acm: introduce a cool down")
Cc: Oliver Neukum <oneukum@suse.com>
Reported-by: Pascal Vizeli <pascal.vizeli@nabucasa.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20201019170702.150534-1-jbrunet@baylibre.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fsl_usb2_device_register() should stop init if dma_set_mask() return
error.
Fixes: cae0586104 ("drivers/usb/host: fsl: Set DMA_MASK of usb platform device")
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Link: https://lore.kernel.org/r/20201010060308.33693-1-ran.wang_1@nxp.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a common comment marked, instead, with kernel-doc
notation.
Also, some identifiers have different names between their
prototypes and the kernel-doc markup.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Felipe Balbi <balbi@kernel.org>
Link: https://lore.kernel.org/r/0b964be3884def04fcd20ea5c12cb90d0014871c.1603469755.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These variables are enums but in this situation GCC will treat them as
unsigned so the conditions are never true.
Fixes: da0cb63100 ("usb: typec: add support for STUSB160x Type-C controller family")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201023112412.GD282278@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Patch removes not used variable 'length' from
cdns3_wa2_descmiss_copy_data function.
Fixes: 141e70fef4 ("usb: cdns3: gadget: need to handle sg case for workaround 2 case")
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
The error_debugfs label is only used when either
CONFIG_USB_DWC2_PERIPHERAL or CONFIG_USB_DWC2_DUAL_ROLE is enabled. Add
the same #if to the error_debugfs label itself as the code which uses
this label already has.
This avoids the following compiler warning:
warning: label ‘error_debugfs’ defined but not used [-Wunused-label]
Fixes: e1c08cf231 ("usb: dwc2: Add missing cleanups when usb_add_gadget_udc() fails")
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
If we want to send a control status on our own time (through
delayed_status), make sure to handle a case where we may queue the
delayed status before the host requesting for it (when XferNotReady
is generated). Otherwise, the driver won't send anything because it's
not EP0_STATUS_PHASE yet. To resolve this, regardless whether
dwc->ep0state is EP0_STATUS_PHASE, make sure to clear the
dwc->delayed_status flag if dwc3_ep0_send_delayed_status() is called.
The control status can be sent when the host requests it later.
Cc: <stable@vger.kernel.org>
Fixes: d97c78a190 ("usb: dwc3: gadget: END_TRANSFER before CLEAR_STALL command")
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
fsl_ep_fifo_status() should return error if _ep->desc is null.
Fixes: 75eaa498c9 (“usb: gadget: Correct NULL pointer checking in fsl gadget”)
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
goku_probe() goes to error label "err" and invokes goku_remove()
in case of failures of pci_enable_device(), pci_resource_start()
and ioremap(). goku_remove() gets a device from
pci_get_drvdata(pdev) and works with it without any checks, in
particular it dereferences a corresponding pointer. But
goku_probe() did not set this device yet. So, one can expect
various crashes. The patch moves setting the device just after
allocation of memory for it.
Found by Linux Driver Verification project (linuxtesting.org).
Reported-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This patch adds the necessary PCI ID for Intel Alder Lake-S
devices.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
SoC changes, a substantial part of this is cleanup of some of the older
platforms that used to have a bunch of board files. In particular:
- Removal of non-DT i.MX platforms that haven't seen activity in years,
it's time to remove them.
- A bunch of cleanup and removal of platform data for TI/OMAP platforms,
moving over to genpd for power/reset control (yay!)
- Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
closer to multiplatform support (not quite there yet, but getting
close).
THere are a few other changes too, smaller fixlets, etc. For new
platform support, the primary ones re:
- New SoC: Hisilicon SD5203, ARM926EJ-S platform.
- Cpufreq support for i.MX7ULP
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"SoC changes, a substantial part of this is cleanup of some of the
older platforms that used to have a bunch of board files.
In particular:
- Remove non-DT i.MX platforms that haven't seen activity in years,
it's time to remove them.
- A bunch of cleanup and removal of platform data for TI/OMAP
platforms, moving over to genpd for power/reset control (yay!)
- Major cleanup of Samsung S3C24xx and S3C64xx platforms, moving them
closer to multiplatform support (not quite there yet, but getting
close).
There are a few other changes too, smaller fixlets, etc. For new
platform support, the primary ones are:
- New SoC: Hisilicon SD5203, ARM926EJ-S platform.
- Cpufreq support for i.MX7ULP"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (121 commits)
ARM: mstar: Select MStar intc
ARM: stm32: Replace HTTP links with HTTPS ones
ARM: debug: add UART early console support for SD5203
ARM: hisi: add support for SD5203 SoC
ARM: omap3: enable off mode automatically
clk: imx: imx35: Remove mx35_clocks_init()
clk: imx: imx31: Remove mx31_clocks_init()
clk: imx: imx27: Remove mx27_clocks_init()
ARM: imx: Remove unused definitions
ARM: imx35: Retrieve the IIM base address from devicetree
ARM: imx3: Retrieve the AVIC base address from devicetree
ARM: imx3: Retrieve the CCM base address from devicetree
ARM: imx31: Retrieve the IIM base address from devicetree
ARM: imx27: Retrieve the CCM base address from devicetree
ARM: imx27: Retrieve the SYSCTRL base address from devicetree
ARM: s3c64xx: bring back notes from removed debug-macro.S
ARM: s3c24xx: fix Wunused-variable warning on !MMU
ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
MAINTAINERS: mark linux-samsung-soc list non-moderated
ARM: imx: Remove remnant board file support pieces
...
- rework the non-coherent DMA allocator
- move private definitions out of <linux/dma-mapping.h>
- lower CMA_ALIGNMENT (Paul Cercueil)
- remove the omap1 dma address translation in favor of the common
code
- make dma-direct aware of multiple dma offset ranges (Jim Quinlan)
- support per-node DMA CMA areas (Barry Song)
- increase the default seg boundary limit (Nicolin Chen)
- misc fixes (Robin Murphy, Thomas Tai, Xu Wang)
- various cleanups
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Merge tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- rework the non-coherent DMA allocator
- move private definitions out of <linux/dma-mapping.h>
- lower CMA_ALIGNMENT (Paul Cercueil)
- remove the omap1 dma address translation in favor of the common code
- make dma-direct aware of multiple dma offset ranges (Jim Quinlan)
- support per-node DMA CMA areas (Barry Song)
- increase the default seg boundary limit (Nicolin Chen)
- misc fixes (Robin Murphy, Thomas Tai, Xu Wang)
- various cleanups
* tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping: (63 commits)
ARM/ixp4xx: add a missing include of dma-map-ops.h
dma-direct: simplify the DMA_ATTR_NO_KERNEL_MAPPING handling
dma-direct: factor out a dma_direct_alloc_from_pool helper
dma-direct check for highmem pages in dma_direct_alloc_pages
dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h>
dma-mapping: move large parts of <linux/dma-direct.h> to kernel/dma
dma-mapping: move dma-debug.h to kernel/dma/
dma-mapping: remove <asm/dma-contiguous.h>
dma-mapping: merge <linux/dma-contiguous.h> into <linux/dma-map-ops.h>
dma-contiguous: remove dma_contiguous_set_default
dma-contiguous: remove dev_set_cma_area
dma-contiguous: remove dma_declare_contiguous
dma-mapping: split <linux/dma-mapping.h>
cma: decrease CMA_ALIGNMENT lower limit to 2
firewire-ohci: use dma_alloc_pages
dma-iommu: implement ->alloc_noncoherent
dma-mapping: add new {alloc,free}_noncoherent dma_map_ops methods
dma-mapping: add a new dma_alloc_pages API
dma-mapping: remove dma_cache_sync
53c700: convert to dma_alloc_noncoherent
...
