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If the extcon device exists, get the mode from the extcon device. If
the controller is DRD and the driver is unable to determine the mode,
only then default the dr_mode to USB_DR_MODE_PERIPHERAL.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Thinh Nguyen <thinhn@synopsys.com>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Link: https://lore.kernel.org/r/20220403164907.662860-1-andrew.smirnov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If any function like UVC is deactivating gadget as part of composition
switch which results in not calling pullup enablement, it is not getting
enabled after switch to new composition due to this deactivation flag
not cleared. This results in USB enumeration not happening after switch
to new USB composition. Hence clear deactivation flag inside gadget
structure in configfs_composite_unbind() before switch to new USB
composition.
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>
Signed-off-by: Dan Vacura <w36195@motorola.com>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20220413211038.72797-1-w36195@motorola.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It is odd to call devm_add_action_or_reset() before calling the function
that should be undone.
Either, the "_or_reset" part should be omitted, or the action should be
recorded after the resources have been allocated.
Switch the order of devm_add_action_or_reset() and usb_role_switch_get().
Fixes: 9a1bf58ccd44 ("usb: misc: eud: Add driver support for Embedded USB Debugger(EUD)")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/362908699275ecec078381b42d87c817c6965fc6.1648979948.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This driver uses three clocks and there's no special handling, they're
either enabled or disabled sequentially: migrate to the clk_bulk API
to simplify clock handling.
This patch brings no functional changes.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220404145558.93340-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add OTG support for the JZ4775 SoC, the JZ4780 SoC, the X1000 SoC,
the X1600 SoC, the X1700 SoC, the X1830 SoC, and the X2000 SoC
from Ingenic.
Introduce support for disable Ingenic overcurrent detection, once
selected, it enables the GOTGCTL register bits VbvalidOvEn and
VbvalidOvVal to disable the VBUS overcurrent detection.
This patch is derived from Dragan Čečavac (in the kernel 3.18.3
tree of CI20). It is very useful for the MIPS Creator CI20 (r1).
Without this patch, OTG port of CI20 has a great probability to
face overcurrent warning, which breaks the OTG functionality.
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: Dragan Čečavac <dragancecavac@yahoo.com>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/1649964337-114337-3-git-send-email-zhouyanjie@wanyeetech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Spelling replacements
definiton to definition
acceptible to acceptable
seperately to separately
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220419182142.1805918-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Spelling replacements
endpiont to endpoint
Compliacne to Compliance
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220417130712.3932247-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Spelling replacements
occured to occurred
currenty to currently
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220418133619.2852678-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Spelling replacement
endpoitn to endpoint
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220418134838.1236023-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Spelling replacement
reactiviting to reactivating
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220418143906.475932-1-trix@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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usb_dump_hub_descriptor() and usb_dump_string() are defined under #ifdef
PROC_EXTRA (while PROC_EXTRA doesn't seem to have ever been #define'd)
since the dawn of the git era -- remove this dead code at last...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/ec08915b-faf2-2f0b-dfb1-048dfa2c67f3@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
Fixes: 8934d3e4d0e7 ("usb: musb: omap2430: Don't use omap_get_control_dev()")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220309111033.24487-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently the usb side setting of the USB_CDC_REQ_SEND_BREAK control
is not supported. This patch adds the support.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220406192914.3302636-1-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Improve performance of isoc transfers in superspeed by increasing the
number of possible endpoints available, matching that of what was
configured for bulk transfers.
Signed-off-by: Dan Vacura <w36195@motorola.com>
Link: https://lore.kernel.org/r/20220420183338.445622-1-w36195@motorola.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver, OMAP1 specific, now omits clk_prepare/unprepare() steps, not
supported by OMAP1 custom implementation of clock API. However, non-CCF
stubs of those functions exist for use on such platforms until converted
to CCF.
Update the driver to be compatible with CCF implementation of clock API.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Link: https://lore.kernel.org/r/20220402114353.130775-1-jmkrzyszt@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver, OMAP1 specific, now omits clk_prepare/unprepare() steps, not
supported by OMAP1 custom implementation of clock API. However, non-CCF
stubs of those functions exist for use on such platforms until converted
to CCF.
Update the driver to be compatible with CCF implementation of clock API.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Link: https://lore.kernel.org/r/20220402112658.130191-1-jmkrzyszt@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Two kerneldoc comments in gadget.c have excess function parameter description or wrong
prototype name and one kerneldoc comment in core.c has an excess function parameter
description, resulting in these three doc-build warnings:
1. ./drivers/usb/dwc3/gadget.c:675: warning: Excess function parameter
'nfifos' description in 'dwc3_gadget_calc_tx_fifo_size'
2. ./drivers/usb/dwc3/gadget.c:700: warning: expecting prototype for
dwc3_gadget_clear_tx_fifo_size(). Prototype was for dwc3_gadget_clear_tx_fifos()
instead
3. ./drivers/usb/dwc3/core.c:347: warning: Excess function parameter 'ref_clk_per'
description in 'dwc3_ref_clk_period'
Fix the warnings by correcting the prototype name and removing excess parameter descriptions.
Signed-off-by: Kushagra Verma <kushagra765@outlook.com>
Link: https://lore.kernel.org/r/SI2PR01MB392995043CACD80884A13764F81C9@SI2PR01MB3929.apcprd01.prod.exchangelabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since commit ae8709b296d8 ("USB: core: Make do_proc_control() and
do_proc_bulk() killable") if a device has the USB_QUIRK_DELAY_CTRL_MSG
quirk set, it will temporarily block all other URBs (e.g. interrupts)
while sleeping due to a control.
This results in noticeable delays when, for example, a userspace usbfs
application is sending URB interrupts at a high rate to a keyboard and
simultaneously updates the lock indicators using controls. Interrupts
with direction set to IN are also affected by this, meaning that
delivery of HID reports (containing scancodes) to the usbfs application
is delayed as well.
This patch fixes the regression by calling msleep() while the device
mutex is unlocked, as was the case originally with usb_control_msg().
Fixes: ae8709b296d8 ("USB: core: Make do_proc_control() and do_proc_bulk() killable")
Cc: stable <stable@kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Tasos Sahanidis <tasos@tasossah.com>
Link: https://lore.kernel.org/r/3e299e2a-13b9-ddff-7fee-6845e868bc06@tasossah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the PHY controller node has a "port" dwc3 tries to find an
extcon device even when "usb-role-switch" is present. This happens
because dwc3_get_extcon() sees that "port" node and then calls
extcon_find_edev_by_node() which will always return EPROBE_DEFER
in that case.
On the other hand, even if an extcon was present and dwc3_get_extcon()
was successful it would still be ignored in favor of "usb-role-switch".
Let's just first check if "usb-role-switch" is configured in the device
tree and directly use it instead and only try to look for an extcon
device otherwise.
Fixes: 8a0a13799744 ("usb: dwc3: Registering a role switch in the DRD code.")
Cc: stable <stable@kernel.org>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Link: https://lore.kernel.org/r/20220411155300.9766-1-sven@svenpeter.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current driver logic checks against 0 to determine whether the
periodic tx/rx threshold settings are set, but we may get bogus values
from uninitialized variables if no device property is set. Properly
default these variables to 0.
Fixes: 938a5ad1d305 ("usb: dwc3: Check for ESS TX/RX threshold config")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/cccfce990b11b730b0dae42f9d217dc6fb988c90.1649727139.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Issue description:
When an OTG port has been switched to device role and then switch back
to host role again, the USB 3.0 Host (XHCI) will not be able to detect
"plug in event of a connected USB 2.0/1.0 ((Highspeed and Fullspeed)
devices until system reboot.
Root cause and Solution:
There is a condition checking flag "ssusb->otg_switch.is_u3_drd" in
toggle_opstate(). At the end of role switch procedure, toggle_opstate()
will be called to set DC_SESSION and SOFT_CONN bit. If "is_u3_drd" was
set and switched the role to USB host 3.0, bit DC_SESSION and SOFT_CONN
will be skipped hence caused the port cannot detect connected USB 2.0
(Highspeed and Fullspeed) devices. Simply remove the condition check to
solve this issue.
Fixes: d0ed062a8b75 ("usb: mtu3: dual-role mode support")
Cc: stable@vger.kernel.org
Tested-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Signed-off-by: Tainping Fang <tianping.fang@mediatek.com>
Link: https://lore.kernel.org/r/20220419081245.21015-1-macpaul.lin@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function rio_karam_init() should return -ENOMEM instead of
value 0 (USB_STOR_TRANSPORT_GOOD) when allocation fails.
Similarly, it should return -EIO when rio_karma_send_command() fails.
Fixes: dfe0d3ba20e8 ("USB Storage: add rio karma eject support")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Link: https://lore.kernel.org/r/20220412144359.28447-1-linma@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Address the following coccicheck warning:
drivers/usb/gadget/udc/net2280.c:940:20-21: WARNING opportunity for swap().
drivers/usb/gadget/udc/net2280.c:944:25-26: WARNING opportunity for swap().
by using swap() for the swapping of variable values and drop the tmp
variables (`tmp` and `end`) that are not needed any more.
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Link: https://lore.kernel.org/r/20220407100459.3605-1-guozhengkui@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Eliminate the follow smatch warning:
drivers/usb/gadget/function/u_audio.c:1182 g_audio_setup() warn:
inconsistent indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220407062410.89214-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Signed-off-by: Zhen Ni <nizhen@uniontech.com>
Link: https://lore.kernel.org/r/20220302033716.31272-1-nizhen@uniontech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It is not recommened to use platform_get_resource(pdev, IORESOURCE_IRQ)
for requesting IRQ's resources any more, as they can be not ready yet in
case of DT-booting.
platform_get_irq() instead is a recommended way for getting IRQ even if
it was not retrieved earlier.
It also makes code simpler because we're getting "int" value right away
and no conversion from resource to int is required.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Link: https://lore.kernel.org/r/20220309053611.2081191-1-chi.minghao@zte.com.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The initFunction is called when probing a new device, its call relation
is like:
USB core: probe() -> usb_stor_probe2() -> usb_stor_acquire_resources()
-> isd200_init_info()
That is, the error return of the initFunction should tell USB core what
happened instead of using custom error code like ISD200_ERROR.
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Link: https://lore.kernel.org/r/20220407022110.3757-1-linma@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The initFunction is called when probing a new device, its call relation
is like:
USB core: probe() -> usb_stor_probe2() -> usb_stor_acquire_resources()
-> init_usbat_cd() or init_usbat_flash() -> init_usbat()
That is, the error return of the initFunction should tell USB core what
happened instead of using constant or error code like
USB_STOR_TRANSPORT_FAILED.
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Link: https://lore.kernel.org/r/20220407022115.3773-1-linma@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The initFunction is called when probing a new device, its call relation
is like:
USB core: probe() -> usb_stor_probe2() -> usb_stor_acquire_resources()
-> init_alauda()
That is, the error return of the initFunction should tell USB core what
happened instead of using error code like USB_STOR_TRANSPORT_ERROR.
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Link: https://lore.kernel.org/r/20220407022058.3741-1-linma@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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powerpc's asm/prom.h brings some headers that it doesn't
need itself.
In order to clean it up in a further step, first clean all
files that include asm/prom.h
Some files don't need asm/prom.h at all. For those ones,
just remove inclusion of asm/prom.h
Some files don't need any of the items provided by asm/prom.h,
but need some of the headers included by asm/prom.h. For those
ones, add the needed headers that are brought by asm/prom.h at
the moment, then remove asm/prom.h
Some files really need asm/prom.h but also need some of the
headers included by asm/prom.h. For those one, leave asm/prom.h
but also add the needed headers so that they can be removed
from asm/prom.h in a later step.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/295e87a3094a92784657f7060fb0927e762a2e3c.1650011506.git.christophe.leroy@csgroup.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function documentation of usb_set_configuration says that its
callers should hold the device lock. This lock is held for all
callsites except tweak_set_configuration_cmd. The code path can be
executed for example when attaching a remote USB device.
The solution is to surround the call by the device lock.
This bug was found using my experimental own-developed static analysis
tool, which reported the missing lock on v5.17.2. I manually verified
this bug report by doing code review as well. I runtime checked that
the required lock is not held. I compiled and runtime tested this on
x86_64 with a USB mouse. After applying this patch, my analyser no
longer reports this potential bug.
Fixes: 2c8c98158946 ("staging: usbip: let client choose device configuration")
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Niels Dossche <dossche.niels@gmail.com>
Link: https://lore.kernel.org/r/20220412165055.257113-1-dossche.niels@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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usb_get_dev() is called in stub_device_alloc(). When stub_probe() fails
after that, usb_put_dev() needs to be called to release the reference.
Fix this by moving usb_put_dev() to sdev_free error path handling.
Find this by code review.
Fixes: 3ff67445750a ("usbip: fix error handling in stub_probe()")
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220412020257.9767-1-hbh25y@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Alderlake has two XHCI controllers with PCI IDs 0x461e and 0x51ed. We
had previously added the quirk to default enable runtime PM for 0x461e,
now add it for 0x51ed as well.
Signed-off-by: Evan Green <evgreen@chromium.org>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20220408114225.1.Ibcff6b86ed4eacfe4c4bc89c90e18416f3900a3e@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 33fb697ec7e5 ("usb: dwc3: Get clocks individually") moved from
the clk_bulk api to individual clocks, following the snps,dwc3.yaml
dt-binding for clock names.
Unfortunately the rk3328 (and upcoming rk356x support) use the
rockchip,dwc3.yaml which has different clock names, which are common on
devices using the glue layer.
The rk3328 does not use a glue layer, but attaches directly to the dwc3
core driver.
The offending patch series failed to account for this, thus dwc3 was
broken on rk3328.
To retain backwards compatibility with rk3328 device trees we must also
check for the alternate clock names.
Fixes: 33fb697ec7e5 ("usb: dwc3: Get clocks individually")
Reported-by: Frank Wunderlich <frank-w@public-files.de>
Tested-By: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220409152116.3834354-1-pgwipeout@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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usb_put_dev shouldn't be called when uss720_probe succeeds because of
priv->usbdev. At the same time, priv->usbdev shouldn't be set to NULL
before destroy_priv in uss720_disconnect because usb_put_dev is in
destroy_priv.
Fix this by moving priv->usbdev = NULL after usb_put_dev.
Fixes: dcb4b8ad6a44 ("misc/uss720: fix memory leak in uss720_probe")
Cc: stable <stable@kernel.org>
Reviewed-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220407024001.11761-1-hbh25y@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In zhaoxin platform, some ehci projects will latch a wakeup signal
internal when plug in a device on port during system S0. This wakeup
signal will turn on when ehci runtime suspend, which will trigger a
system control interrupt that will resume ehci back to D0. As no
device connect, ehci will be set to runtime suspend and turn on the
internal latched wakeup signal again. It will cause a suspend-resume
loop and generate system control interrupt continuously.
Fixed this issue by clear wakeup signal latched in ehci internal when
ehci resume callback is called.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Weitao Wang <WeitaoWang-oc@zhaoxin.com>
Link: https://lore.kernel.org/r/20220324121735.3803-1-WeitaoWang-oc@zhaoxin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Building without CONFIG_POWER_SUPPLY will fail:
drivers/usb/typec/rt1719.o: In function `rt1719_psy_set_property':
rt1719.c:(.text+0x10a): undefined reference to `power_supply_get_drvdata'
drivers/usb/typec/rt1719.o: In function `rt1719_psy_get_property':
rt1719.c:(.text+0x2c8): undefined reference to `power_supply_get_drvdata'
drivers/usb/typec/rt1719.o: In function `devm_rt1719_psy_register':
rt1719.c:(.text+0x3e9): undefined reference to `devm_power_supply_register'
drivers/usb/typec/rt1719.o: In function `rt1719_irq_handler':
rt1719.c:(.text+0xf9f): undefined reference to `power_supply_changed'
drivers/usb/typec/rt1719.o: In function `rt1719_update_pwr_opmode.part.9':
rt1719.c:(.text+0x657): undefined reference to `power_supply_changed'
drivers/usb/typec/rt1719.o: In function `rt1719_attach':
rt1719.c:(.text+0x83e): undefined reference to `power_supply_changed'
Add POWER_SUPPLY dependency to Kconfig.
Fixes: 25d29b980912 ("usb: typec: rt1719: Add support for Richtek RT1719")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>
Link: https://lore.kernel.org/r/20220418082425.41566-1-renzhijie2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All attempts to swap the roles timed out because the
completion was done without releasing the port lock. Fixing
that by releasing the lock before starting to wait for the
completion.
Link: https://lore.kernel.org/linux-usb/037de7ac-e210-bdf5-ec7a-8c0c88a0be20@gmail.com/
Fixes: ad74b8649bea ("usb: typec: ucsi: Preliminary support for alternate modes")
Cc: stable@vger.kernel.org
Reported-and-tested-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20220405134824.68067-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The role swapping completion variable is reused, so it needs
to be reinitialised every time. Otherwise it will be marked
as done after the first time it's used and completing
immediately.
Link: https://lore.kernel.org/linux-usb/20220325203959.GA19752@jackp-linux.qualcomm.com/
Fixes: 6df475f804e6 ("usb: typec: ucsi: Start using struct typec_operations")
Cc: stable@vger.kernel.org
Reported-and-suggested-by: Jack Pham <quic_jackp@quicinc.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20220405134824.68067-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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tegra_xusb_unpowergate_partitions
pm_runtime_get_sync will increment pm usage counter
even it failed. Forgetting to putting operation will
result in reference leak here. We fix it by replacing
it with pm_runtime_resume_and_get to keep usage counter
balanced.
Fixes: 41a7426d25fa ("usb: xhci: tegra: Unlink power domain devices")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20220319023822.145641-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In AM62 SoC, the Designware Core USB3 IP is progammed to operate in USB2.0
only mode. Add driver for AM62 USB DWC3 Wrapper.
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20220414103211.16202-3-a-govindraju@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Instead of refetching power status cache it and only update it when a
change is signalled via irq. This simplifies tracing and adding more
supply properties in follow up patches.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20220317154518.4082046-2-sebastian.krzyszkowiak@puri.sm
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are few scenerio when PMC reports 'busy condition' and command
fail.
If PMC receives a high priority command while servicing a low priority
command then it discards the low priority command and start servicing
the high priority command. The lower priority command fail and driver
returns error. If the same command resend to the PMC then PMC latches
the command and service it accordingly.
Thus adds the retry logic for the PMC command.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Tanveer Alam <tanveer1.alam@intel.com>
Link: https://lore.kernel.org/r/20220328105137.6223-1-tanveer1.alam@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The exit condition to quit iterating over the sg_list, while encoding
the sg entries, has to consider the case that the dma_len of the entry
could be zero. This patch takes this condition to account.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220402232744.3622565-4-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On uvc_video_encode_isoc_sg the mapped vb2 buffer is returned
to early. Only after the last usb_request worked with the buffer
it is allowed to give it back to vb2. This patch fixes that.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220402232744.3622565-3-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function uvcg_queue_next_buffer is used different than its name
suggests. The return value nextbuf is never used by any caller. This
patch reworks the function to its actual purpose, by removing the unused
code and renaming it. The function name uvcg_complete_buffer makes it
more clear that it is actually marking the current video buffer as
complete.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220402232744.3622565-2-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The pause flag doesn't appear to serve a purpose as it is possible for
the pump worker thread to not be running when new buffers are queued.
Before the following change was introduced: "43cd0023872e usb: gadget:
uvc_video: add worker to handle the frame pumping", the pause flag
status was discarded and never returned. This masked a current issues of
the userspace receiving non-zero values (considered unsuccessful) and
prevents trace_v4l2_qbuf() from being called.
Signed-off-by: Dan Vacura <w36195@motorola.com>
Link: https://lore.kernel.org/r/20220413192402.26063-1-w36195@motorola.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a configfs entry, "function_name", to change the iInterface field
for VideoControl. This name is used on host devices for user selection,
useful when multiple cameras are present. The default will remain "UVC
Camera".
Signed-off-by: Dan Vacura <w36195@motorola.com>
Link: https://lore.kernel.org/r/20220401160447.5919-1-w36195@motorola.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Most of the plat-omap/dma.c code is specific to the USB
driver. Hide that code when it is not in use, to make it
clearer which parts are actually still required.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The innovator board needs a special case for its phy control.
Move the corresponding code into the board file and out of the
common code by adding another callback.
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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