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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.8-rc3 to resolve some reported
issues.
Nothing major here:
- gadget driver fixes
- cdns3 driver fixes
- xhci fixes
- renesas_usbhs driver fixes
- some new device support with ids
- documentation update
All of these have been in linux-next with no reported issues"
* tag 'usb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (27 commits)
usb: renesas_usbhs: getting residue from callback_result
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
xhci: Poll for U0 after disabling USB2 LPM
xhci: Return if xHCI doesn't support LPM
usb: host: xhci-mtk: avoid runtime suspend when removing hcd
xhci: Fix enumeration issue when setting max packet size for FS devices.
xhci: Fix incorrect EP_STATE_MASK
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
usb: gadget: udc: Potential Oops in error handling code
usb: phy: tegra: Fix unnecessary check in tegra_usb_phy_probe()
usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
usb: typec: tcpci_rt1711h: avoid screaming irq causing boot hangs
USB: ohci-sm501: Add missed iounmap() in remove
cdc-acm: Add DISABLE_ECHO quirk for Microchip/SMSC chip
...
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v5.8-rc2
A revert of Exynos5422 suspend clock support, it turns out it wasn't
ready to be merged. CDNS3 got a fix for test mode initialization.
Signed-off-by: Felipe Balbi <balbi@kernel.org>
* tag 'fixes-for-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
Revert "usb: dwc3: exynos: Add support for Exynos5422 suspend clk"
usb: gadget: udc: Potential Oops in error handling code
usb: phy: tegra: Fix unnecessary check in tegra_usb_phy_probe()
usb: dwc3: pci: Fix reference count leak in dwc3_pci_resume_work
usb: cdns3: ep0: add spinlock for cdns3_check_new_setup
usb: cdns3: trace: using correct dir value
usb: cdns3: ep0: fix the test mode set incorrectly
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In kgdb context, calling console handlers aren't safe due to locks used
in those handlers which could in turn lead to a deadlock. Although, using
oops_in_progress increases the chance to bypass locks in most console
handlers but it might not be sufficient enough in case a console uses
more locks (VT/TTY is good example).
Currently when a driver provides both polling I/O and a console then kdb
will output using the console. We can increase robustness by using the
currently active polling I/O driver (which should be lockless) instead
of the corresponding console. For several common cases (e.g. an
embedded system with a single serial port that is used both for console
output and debugger I/O) this will result in no console handler being
used.
In order to achieve this we need to reverse the order of preference to
use dbg_io_ops (uses polling I/O mode) over console APIs. So we just
store "struct console" that represents debugger I/O in dbg_io_ops and
while emitting kdb messages, skip console that matches dbg_io_ops
console in order to avoid duplicate messages. After this change,
"is_console" param becomes redundant and hence removed.
Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/1591264879-25920-5-git-send-email-sumit.garg@linaro.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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This driver assumed that dmaengine_tx_status() could return
the residue even if the transfer was completed. However,
this was not correct usage [1] and this caused to break getting
the residue after the commit 24461d9792c2 ("dmaengine:
virt-dma: Fix access after free in vchan_complete()") actually.
So, this is possible to get wrong received size if the usb
controller gets a short packet. For example, g_zero driver
causes "bad OUT byte" errors.
The usb-dmac driver will support the callback_result, so this
driver can use it to get residue correctly. Note that even if
the usb-dmac driver has not supported the callback_result yet,
this patch doesn't cause any side-effects.
[1]
https://lore.kernel.org/dmaengine/20200616165550.GP2324254@vkoul-mobl/
Reported-by: Hien Dang <hien.dang.eb@renesas.com>
Fixes: 24461d9792c2 ("dmaengine: virt-dma: Fix access after free in vchan_complete()")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1592482277-19563-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 07f6842341abe978e6375078f84506ec3280ece5.
Since SCLK_SCLK_USBD300 suspend clock need to be configured
for phy module, I wrongly mapped this clock to DWC3 code.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Cc: stable <stable@vger.kernel.org>
Fixes: 07f6842341ab ("usb: dwc3: exynos: Add support for Exynos5422 suspend clk")
Link: https://lore.kernel.org/r/20200623074637.756-1-linux.amoon@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB2 devices with LPM enabled may interrupt the system suspend:
[ 932.510475] usb 1-7: usb suspend, wakeup 0
[ 932.510549] hub 1-0:1.0: hub_suspend
[ 932.510581] usb usb1: bus suspend, wakeup 0
[ 932.510590] xhci_hcd 0000:00:14.0: port 9 not suspended
[ 932.510593] xhci_hcd 0000:00:14.0: port 8 not suspended
..
[ 932.520323] xhci_hcd 0000:00:14.0: Port change event, 1-7, id 7, portsc: 0x400e03
..
[ 932.591405] PM: pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -16
[ 932.591414] PM: dpm_run_callback(): pci_pm_suspend+0x0/0x160 returns -16
[ 932.591418] PM: Device 0000:00:14.0 failed to suspend async: error -16
During system suspend, USB core will let HC suspends the device if it
doesn't have remote wakeup enabled and doesn't have any children.
However, from the log above we can see that the usb 1-7 doesn't get bus
suspended due to not in U0. After a while the port finished U2 -> U0
transition, interrupts the suspend process.
The observation is that after disabling LPM, port doesn't transit to U0
immediately and can linger in U2. xHCI spec 4.23.5.2 states that the
maximum exit latency for USB2 LPM should be BESL + 10us. The BESL for
the affected device is advertised as 400us, which is still not enough
based on my testing result.
So let's use the maximum permitted latency, 10000, to poll for U0
status 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/20200624135949.22611-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Just return if xHCI is quirked to disable LPM. We can save some time
from reading registers and doing spinlocks.
Add stable tag as we want this patch together with the next one,
"Poll for U0 after disabling USB2 LPM" which fixes a suspend issue
for some USB2 LPM devices
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/20200624135949.22611-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When runtime suspend was enabled, runtime suspend might happen
when xhci is removing hcd. This might cause kernel panic when hcd
has been freed but runtime pm suspend related handle need to
reference it.
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Reviewed-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200624135949.22611-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Unable to complete the enumeration of a USB TV Tuner device.
Per XHCI spec (4.6.5), the EP state field of the input context shall
be cleared for a set address command. In the special case of an FS
device that has "MaxPacketSize0 = 8", the Linux XHCI driver does
not do this before evaluating the context. With an XHCI controller
that checks the EP state field for parameter context error this
causes a problem in cases such as the device getting reset again
after enumeration.
When that field is cleared, the problem does not occur.
This was found and fixed by Sasi Kumar.
Cc: stable@vger.kernel.org
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200624135949.22611-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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EP_STATE_MASK should be 0x7 instead of 0xf
xhci spec 6.2.3 shows that the EP state field in the endpoint context data
structure consist of bits [2:0].
The old value included a bit from the next field which fortunately is a
RsvdZ region. So hopefully this hasn't caused too much harm
Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200624135949.22611-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The other thread may access other endpoints when the cdns3_check_new_setup
is handling, add spinlock to protect it.
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Reviewed-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200623030918.8409-4-peter.chen@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It should use the correct direction value from register, not depends
on previous software setting. It fixed the EP number wrong issue at
trace when the TRBERR interrupt occurs for EP0IN.
When the EP0IN IOC has finished, software prepares the setup packet
request, the expected direction is OUT, but at that time, the TRBERR
for EP0IN may occur since it is DMULT mode, the DMA does not stop
until TRBERR has met.
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Reviewed-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200623030918.8409-3-peter.chen@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The 'tmode' is ctrl->wIndex, changing it as the real test
mode value for register assignment.
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Cc: <stable@vger.kernel.org>
Reviewed-by: Jun Li <jun.li@nxp.com>
Reviewed-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20200623030918.8409-2-peter.chen@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 07f6842341abe978e6375078f84506ec3280ece5.
Since SCLK_SCLK_USBD300 suspend clock need to be configured
for phy module, I wrongly mapped this clock to DWC3 code.
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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If this is in "transceiver" mode the the ->qwork isn't required and is
a NULL pointer. This can lead to a NULL dereference when we call
destroy_workqueue(udc->qwork).
Fixes: 3517c31a8ece ("usb: gadget: mv_udc: use devm_xxx for probe")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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In the function tegra_usb_phy_probe(), if usb_add_phy_dev() failed,
the return value will be given to err, and if usb_add_phy_dev() succeed,
the return value will be zero. Thus it is unnecessary to repeated check
here.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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dwc3_pci_resume_work() calls pm_runtime_get_sync() that increments
the reference counter. In case of failure, decrement the reference
before returning.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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The other thread may access other endpoints when the cdns3_check_new_setup
is handling, add spinlock to protect it.
Cc: <stable@vger.kernel.org>
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Reviewed-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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It should use the correct direction value from register, not depends
on previous software setting. It fixed the EP number wrong issue at
trace when the TRBERR interrupt occurs for EP0IN.
When the EP0IN IOC has finished, software prepares the setup packet
request, the expected direction is OUT, but at that time, the TRBERR
for EP0IN may occur since it is DMULT mode, the DMA does not stop
until TRBERR has met.
Cc: <stable@vger.kernel.org>
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Reviewed-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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The 'tmode' is ctrl->wIndex, changing it as the real test
mode value for register assignment.
Cc: <stable@vger.kernel.org>
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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John reported screaming irq caused by rt1711h when system boot[1],
this is because irq request is done before tcpci_register_port(),
so the chip->tcpci has not been setup, irq handler is entered but
can't do anything, this patch is to address this by moving the irq
request after tcpci_register_port().
[1] https://lore.kernel.org/linux-usb/20200530040157.31038-1-john.stultz@linaro.org
Fixes: ce08eaeb6388 ("staging: typec: rt1711h typec chip driver")
Cc: stable <stable@vger.kernel.org> # v4.18+
Cc: John Stultz <john.stultz@linaro.org>
Reported-and-tested-by: John Stultz <john.stultz@linaro.org>
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/20200604112118.38062-1-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This driver misses calling iounmap() in remove to undo the ioremap()
called in probe.
Add the missed call to fix it.
Fixes: f54aab6ebcec ("usb: ohci-sm501 driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200610024844.3628408-1-hslester96@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB_DEVICE(0x0424, 0x274e) can send data before cdc_acm is ready,
causing garbage chars on the TTY causing stray input to the shell
and/or login prompt.
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Cc: stable@vger.kernel.org
Acked-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20200605105418.22263-1-joakim.tjernlund@infinera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A Synopsys USB2.0 core used in Huawei Kunpeng920 SoC has a bug which
might cause the host controller not issuing ping.
Bug description:
After indicating an Interrupt on Async Advance, the software uses the
doorbell mechanism to delete the Next Link queue head of the last
executed queue head. At this time, the host controller still references
the removed queue head(the queue head is NULL). NULL reference causes
the host controller to lose the USB device.
Solution:
After deleting the Next Link queue head, when has_synopsys_hc_bug set
to 1，the software can write one of the valid queue head addresses to
the ASYNCLISTADDR register to allow the host controller to get
the valid queue head. in order to solve that problem, this patch set
the flag for Huawei Kunpeng920
There are detailed instructions and solutions in this patch:
commit 2f7ac6c19997 ("USB: ehci: add workaround for Synopsys HC bug")
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/1591588019-44284-1-git-send-email-liulongfang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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BUG: memory leak
unreferenced object 0xffff888055046e00 (size 256):
comm "kworker/2:9", pid 2570, jiffies 4294942129 (age 1095.500s)
hex dump (first 32 bytes):
00 70 04 55 80 88 ff ff 18 bb 5a 81 ff ff ff ff .p.U......Z.....
f5 96 78 81 ff ff ff ff 37 de 8e 81 ff ff ff ff ..x.....7.......
backtrace:
[<00000000d121dccf>] kmemleak_alloc_recursive
include/linux/kmemleak.h:43 [inline]
[<00000000d121dccf>] slab_post_alloc_hook mm/slab.h:586 [inline]
[<00000000d121dccf>] slab_alloc_node mm/slub.c:2786 [inline]
[<00000000d121dccf>] slab_alloc mm/slub.c:2794 [inline]
[<00000000d121dccf>] kmem_cache_alloc_trace+0x15e/0x2d0 mm/slub.c:2811
[<000000005c3c3381>] kmalloc include/linux/slab.h:555 [inline]
[<000000005c3c3381>] usbtest_probe+0x286/0x19d0
drivers/usb/misc/usbtest.c:2790
[<000000001cec6910>] usb_probe_interface+0x2bd/0x870
drivers/usb/core/driver.c:361
[<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551
[<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724
[<000000003ef66004>] __device_attach_driver+0x1b6/0x240
drivers/base/dd.c:831
[<00000000eee53e97>] bus_for_each_drv+0x14e/0x1e0 drivers/base/bus.c:431
[<00000000bb0648d0>] __device_attach+0x1f9/0x350 drivers/base/dd.c:897
[<00000000838b324a>] device_initial_probe+0x1a/0x20 drivers/base/dd.c:944
[<0000000030d501c1>] bus_probe_device+0x1e1/0x280 drivers/base/bus.c:491
[<000000005bd7adef>] device_add+0x131d/0x1c40 drivers/base/core.c:2504
[<00000000a0937814>] usb_set_configuration+0xe84/0x1ab0
drivers/usb/core/message.c:2030
[<00000000e3934741>] generic_probe+0x6a/0xe0 drivers/usb/core/generic.c:210
[<0000000098ade0f1>] usb_probe_device+0x90/0xd0
drivers/usb/core/driver.c:266
[<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551
[<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Kyungtae Kim <kt0755@gmail.com>
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Link: https://lore.kernel.org/r/20200612035210.20494-1-qiang.zhang@windriver.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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During dwc2 driver probe, after gadget registration to the udc class
driver, if exist any builtin function driver it immediately bound to
dwc2 and after init host side (dwc2_hcd_init()) stucked in host mode.
Patch postpone gadget registration after host side initialization done.
Fixes: 117777b2c3bb9 ("usb: dwc2: Move gadget probe function into platform code")
Reported-by: kbuild test robot <lkp@intel.com>
Tested-by: Marek Vasut <marex@denx.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Link: https://lore.kernel.org/r/f21cb38fecc72a230b86155d94c7e60c9cb66f58.1591690938.git.hminas@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Logitech C922, just like other Logitech webcams,
needs the USB_QUIRK_DELAY_INIT or it will randomly
not respond after device connection
Signed-off-by: Tomasz Meresiński <tomasz@meresinski.eu>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200603203347.7792-1-tomasz@meresinski.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the function platform_get_irq() failed, the negative value
returned will not be detected here. So fix error handling in
exynos_ehci_probe(). And when get irq failed, the function
platform_get_irq() logs an error message, so remove redundant
message here.
Fixes: 1bcc5aa87f04 ("USB: Add initial S5P EHCI driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20200602114708.28620-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The PMC needs to be notified separately about HPD (hotplug
detected) signal being high after mode entry. There is a bit
"HPD High" in the Alternate Mode Request that the driver
already sets, but that bit is only valid when the
DisplayPort Alternate Mode is directly entered from
disconnected state.
Fixes: 5c4edcdbcd97 ("usb: typec: mux: intel: Fix DP_HPD_LVL bit field")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Tested-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20200529131753.15587-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- fix build rules in binderfs sample
- fix build errors when Kbuild recurses to the top Makefile
- covert '---help---' in Kconfig to 'help'
* tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
treewide: replace '---help---' in Kconfig files with 'help'
kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
samples: binderfs: really compile this sample and fix build issues
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Pull more SCSI updates from James Bottomley:
"This is the set of changes collected since just before the merge
window opened. It's mostly minor fixes in drivers.
The one non-driver set is the three optical disk (sr) changes where
two are error path fixes and one is a helper conversion.
The big driver change is the hpsa compat_alloc_userspace rework by Al
so he can kill the remaining user. This has been tested and acked by
the maintainer"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (21 commits)
scsi: acornscsi: Fix an error handling path in acornscsi_probe()
scsi: storvsc: Remove memset before memory freeing in storvsc_suspend()
scsi: cxlflash: Remove an unnecessary NULL check
scsi: ibmvscsi: Don't send host info in adapter info MAD after LPM
scsi: sr: Fix sr_probe() missing deallocate of device minor
scsi: sr: Fix sr_probe() missing mutex_destroy
scsi: st: Convert convert get_user_pages() --> pin_user_pages()
scsi: target: Rename target_setup_cmd_from_cdb() to target_cmd_parse_cdb()
scsi: target: Fix NULL pointer dereference
scsi: target: Initialize LUN in transport_init_se_cmd()
scsi: target: Factor out a new helper, target_cmd_init_cdb()
scsi: hpsa: hpsa_ioctl(): Tidy up a bit
scsi: hpsa: Get rid of compat_alloc_user_space()
scsi: hpsa: Don't bother with vmalloc for BIG_IOCTL_Command_struct
scsi: hpsa: Lift {BIG_,}IOCTL_Command_struct copy{in,out} into hpsa_ioctl()
scsi: ufs: Remove redundant urgent_bkop_lvl initialization
scsi: ufs: Don't update urgent bkops level when toggling auto bkops
scsi: qedf: Remove redundant initialization of variable rc
scsi: mpt3sas: Fix memset() in non-RDPQ mode
scsi: iscsi: Fix reference count leak in iscsi_boot_create_kobj
...
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Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.
This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.
There are a variety of indentation styles found.
a) 4 spaces + '---help---'
b) 7 spaces + '---help---'
c) 8 spaces + '---help---'
d) 1 space + 1 tab + '---help---'
e) 1 tab + '---help---' (correct indentation)
f) 1 tab + 1 space + '---help---'
g) 1 tab + 2 spaces + '---help---'
In order to convert all of them to 1 tab + 'help', I ran the
following commend:
$ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Some architectures like arm64 and s390 require USER_DS to be set for
kernel threads to access user address space, which is the whole purpose of
kthread_use_mm, but other like x86 don't. That has lead to a huge mess
where some callers are fixed up once they are tested on said
architectures, while others linger around and yet other like io_uring try
to do "clever" optimizations for what usually is just a trivial asignment
to a member in the thread_struct for most architectures.
Make kthread_use_mm set USER_DS, and kthread_unuse_mm restore to the
previous value instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: http://lkml.kernel.org/r/20200404094101.672954-7-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Switch the function documentation to kerneldoc comments, and add
WARN_ON_ONCE asserts that the calling thread is a kernel thread and does
not have ->mm set (or has ->mm set in the case of unuse_mm).
Also give the functions a kthread_ prefix to better document the use case.
[hch@lst.de: fix a comment typo, cover the newly merged use_mm/unuse_mm caller in vfio]
Link: http://lkml.kernel.org/r/20200416053158.586887-3-hch@lst.de
[sfr@canb.auug.org.au: powerpc/vas: fix up for {un}use_mm() rename]
Link: http://lkml.kernel.org/r/20200422163935.5aa93ba5@canb.auug.org.au
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [usb]
Acked-by: Haren Myneni <haren@linux.ibm.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Link: http://lkml.kernel.org/r/20200404094101.672954-6-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "improve use_mm / unuse_mm", v2.
This series improves the use_mm / unuse_mm interface by better documenting
the assumptions, and my taking the set_fs manipulations spread over the
callers into the core API.
This patch (of 3):
Use the proper API instead.
Link: http://lkml.kernel.org/r/20200404094101.672954-1-hch@lst.de
These helpers are only for use with kernel threads, and I will tie them
more into the kthread infrastructure going forward. Also move the
prototypes to kthread.h - mmu_context.h was a little weird to start with
as it otherwise contains very low-level MM bits.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: http://lkml.kernel.org/r/20200404094101.672954-1-hch@lst.de
Link: http://lkml.kernel.org/r/20200416053158.586887-1-hch@lst.de
Link: http://lkml.kernel.org/r/20200404094101.672954-5-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Initialization of orig_fe_lun is moved to transport_init_se_cmd() from
transport_lookup_cmd_lun(). This helps for the cases where the SCSI request
fails before the call to transport_lookup_cmd_lun() so that
trace_target_cmd_complete() can print the LUN information to the trace
buffer. Due to this change, the lun parameter is removed from
transport_lookup_cmd_lun() and transport_lookup_tmr_lun().
Link: https://lore.kernel.org/r/1591559913-8388-3-git-send-email-sudhakar.panneerselvam@oracle.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Sudhakar Panneerselvam <sudhakar.panneerselvam@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY driver updates from Greg KH:
"Here are the large set of USB and PHY driver updates for 5.8-rc1.
Nothing huge, just lots of little things:
- USB gadget fixes and additions all over the place
- new PHY drivers
- PHY driver fixes and updates
- XHCI driver updates
- musb driver updates
- more USB-serial driver ids added
- various USB quirks added
- thunderbolt minor updates and fixes
- typec updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (245 commits)
usb: dwc3: meson-g12a: fix USB2 PHY initialization on G12A and A1 SoCs
usb: dwc3: meson-g12a: fix error path when fetching the reset line fails
Revert "dt-bindings: usb: qcom,dwc3: Convert USB DWC3 bindings"
Revert "dt-bindings: usb: qcom,dwc3: Add compatible for SC7180"
Revert "dt-bindings: usb: qcom,dwc3: Introduce interconnect properties for Qualcomm DWC3 driver"
USB: serial: ch341: fix lockup of devices with limited prescaler
USB: serial: ch341: add basis for quirk detection
CDC-ACM: heed quirk also in error handling
USB: serial: option: add Telit LE910C1-EUX compositions
usb: musb: Fix runtime PM imbalance on error
usb: musb: jz4740: Prevent lockup when CONFIG_SMP is set
usb: musb: mediatek: add reset FADDR to zero in reset interrupt handle
usb: musb: use true for 'use_dma'
usb: musb: start session in resume for host port
usb: musb: return -ESHUTDOWN in urb when three-strikes error happened
USB: serial: qcserial: add DW5816e QDL support
thunderbolt: Add trivial .shutdown
usb: dwc3: keystone: Turn on USB3 PHY before controller
dt-bindings: usb: ti,keystone-dwc3.yaml: Add USB3.0 PHY property
dt-bindings: usb: convert keystone-usb.txt to YAML
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Program MPS for RCiEP devices (Ashok Raj)
- Fix pci_register_host_bridge() device_register() error handling
(Rob Herring)
- Fix pci_host_bridge struct device release/free handling (Rob
Herring)
Resource management:
- Allow resizing BARs for devices on root bus (Ard Biesheuvel)
Power management:
- Reduce Thunderbolt resume time by working around devices that don't
support DLL Link Active reporting (Mika Westerberg)
- Work around a Pericom USB controller OHCI/EHCI PME# defect
(Kai-Heng Feng)
Virtualization:
- Add ACS quirk for Intel Root Complex Integrated Endpoints (Ashok
Raj)
- Avoid FLR for AMD Starship USB 3.0 (Kevin Buettner)
- Avoid FLR for AMD Matisse HD Audio & USB 3.0 (Marcos Scriven)
Error handling:
- Use only _OSC (not HEST FIRMWARE_FIRST) to determine AER ownership
(Alexandru Gagniuc, Kuppuswamy Sathyanarayanan)
- Reduce verbosity by logging only ACPI_NOTIFY_DISCONNECT_RECOVER
events (Kuppuswamy Sathyanarayanan)
- Don't enable AER by default in Kconfig (Bjorn Helgaas)
Peer-to-peer DMA:
- Add AMD Zen Raven and Renoir Root Ports to whitelist (Alex Deucher)
ASPM:
- Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges (Kai-Heng Feng)
Endpoint framework:
- Fix DMA channel release in test (Kunihiko Hayashi)
- Add page size as argument to pci_epc_mem_init() (Lad Prabhakar)
- Add support to handle multiple base for mapping outbound memory
(Lad Prabhakar)
Generic host bridge driver:
- Support building as module (Rob Herring)
- Eliminate pci_host_common_probe wrappers (Rob Herring)
Amlogic Meson PCIe controller driver:
- Don't use FAST_LINK_MODE to set up link (Marc Zyngier)
Broadcom STB PCIe controller driver:
- Disable ASPM L0s if 'aspm-no-l0s' in DT (Jim Quinlan)
- Fix clk_put() error (Jim Quinlan)
- Fix window register offset (Jim Quinlan)
- Assert fundamental reset on initialization (Nicolas Saenz Julienne)
- Add notify xHCI reset property (Nicolas Saenz Julienne)
- Add init routine for Raspberry Pi 4 VL805 USB controller (Nicolas
Saenz Julienne)
- Sync with Raspberry Pi 4 firmware for VL805 initialization (Nicolas
Saenz Julienne)
Cadence PCIe controller driver:
- Remove "cdns,max-outbound-regions" DT property (replaced by
"ranges") (Kishon Vijay Abraham I)
- Read 32-bit (not 16-bit) Vendor ID/Device ID property from DT
(Kishon Vijay Abraham I)
Marvell Aardvark PCIe controller driver:
- Improve link training (Marek Behún)
- Add PHY support (Marek Behún)
- Add "phys", "max-link-speed", "reset-gpios" to dt-binding (Marek
Behún)
- Train link immediately after enabling training to work around
detection issues with some cards (Pali Rohár)
- Issue PERST via GPIO to work around detection issues (Pali Rohár)
- Don't blindly enable ASPM L0s (Pali Rohár)
- Replace custom macros by standard linux/pci_regs.h macros (Pali
Rohár)
Microsoft Hyper-V host bridge driver:
- Fix probe failure path to release resource (Wei Hu)
- Retry PCI bus D0 entry on invalid device state for kdump (Wei Hu)
Renesas R-Car PCIe controller driver:
- Fix incorrect programming of OB windows (Andrew Murray)
- Add suspend/resume (Kazufumi Ikeda)
- Rename pcie-rcar.c to pcie-rcar-host.c (Lad Prabhakar)
- Add endpoint controller driver (Lad Prabhakar)
- Fix PCIEPAMR mask calculation (Lad Prabhakar)
- Add r8a77961 to DT binding (Yoshihiro Shimoda)
Socionext UniPhier Pro5 controller driver:
- Add endpoint controller driver (Kunihiko Hayashi)
Synopsys DesignWare PCIe controller driver:
- Program outbound ATU upper limit register (Alan Mikhak)
- Fix inner MSI IRQ domain registration (Marc Zyngier)
Miscellaneous:
- Check for platform_get_irq() failure consistently (negative return
means failure) (Aman Sharma)
- Fix several runtime PM get/put imbalances (Dinghao Liu)
- Use flexible-array and struct_size() helpers for code cleanup
(Gustavo A. R. Silva)
- Update & fix issues in bridge emulation of PCIe registers (Jon
Derrick)
- Add macros for bridge window names (PCI_BRIDGE_IO_WINDOW, etc)
(Krzysztof Wilczyński)
- Work around Intel PCH MROMs that have invalid BARs (Xiaochun Lee)"
* tag 'pci-v5.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (100 commits)
PCI: uniphier: Add Socionext UniPhier Pro5 PCIe endpoint controller driver
PCI: Add ACS quirk for Intel Root Complex Integrated Endpoints
PCI/DPC: Print IRQ number used by port
PCI/AER: Use "aer" variable for capability offset
PCI/AER: Remove redundant dev->aer_cap checks
PCI/AER: Remove redundant pci_is_pcie() checks
PCI/AER: Remove HEST/FIRMWARE_FIRST parsing for AER ownership
PCI: tegra: Fix runtime PM imbalance on error
PCI: vmd: Filter resource type bits from shadow register
PCI: tegra194: Fix runtime PM imbalance on error
dt-bindings: PCI: Add UniPhier PCIe endpoint controller description
PCI: hv: Use struct_size() helper
PCI: Rename _DSM constants to align with spec
PCI: Avoid FLR for AMD Starship USB 3.0
PCI: Avoid FLR for AMD Matisse HD Audio & USB 3.0
x86/PCI: Drop unused xen_register_pirq() gsi_override parameter
PCI: dwc: Use private data pointer of "struct irq_domain" to get pcie_port
PCI: amlogic: meson: Don't use FAST_LINK_MODE to set up link
PCI: dwc: Fix inner MSI IRQ domain registration
PCI: dwc: pci-dra7xx: Use devm_platform_ioremap_resource_byname()
...
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This patch adds kcov_remote_start/stop() callbacks around the urb
complete() callback that is executed in softirq context when dummy_hcd is
in use. As the result, kcov can be used to collect coverage from those
callbacks, which is used to facilitate coverage-guided fuzzing with
syzkaller.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Marco Elver <elver@google.com>
Link: http://lkml.kernel.org/r/4520671eeb604adbc2432c248b0c07fbaa5519ef.1585233617.git.andreyknvl@google.com
Link: http://lkml.kernel.org/r/2821d497ac1cdc0efb5e00df30271e4a67fc8009.1584655448.git.andreyknvl@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- Add a support of the media keys on the ASUS laptop UX325JA/UX425JA
- ASUS WMI driver can now handle 2-in-1 models T100TA, T100CHI, T100HA,
T200TA
- Big refactoring of Intel SCU driver with Elkhart Lake support has
been added
- Slim Bootloarder firmware update signaling WMI driver has been added
- Thinkpad ACPI driver can handle dual fan configuration on new P and X
models
- Touchscreen DMI driver has been extended to support
- MP-man MPWIN895CL tablet
- ONDA V891 v5 tablet
- techBite Arc 11.6
- Trekstor Twin 10.1
- Trekstor Yourbook C11B
- Vinga J116
- Virtual Button driver got a few fixes to detect mode of 2-in-1 tablet
models
- Intel Speed Select tools update
- Plenty of small cleanups here and there
* tag 'platform-drivers-x86-v5.8-1' of git://git.infradead.org/linux-platform-drivers-x86: (89 commits)
platform/x86: dcdbas: Check SMBIOS for protected buffer address
platform/x86: asus_wmi: Reserve more space for struct bias_args
platform/x86: intel-vbtn: Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type
platform/x86: intel-hid: Add a quirk to support HP Spectre X2 (2015)
platform/x86: touchscreen_dmi: Update Trekstor Twin 10.1 entry
platform/x86: touchscreen_dmi: Add info for the Trekstor Yourbook C11B
platform/x86: hp-wmi: Introduce HPWMI_POWER_FW_OR_HW as convenient shortcut
platform/x86: hp-wmi: Convert simple_strtoul() to kstrtou32()
platform/x86: hp-wmi: Refactor postcode_store() to follow standard patterns
platform/x86: acerhdf: replace space by * in modalias
platform/x86: ISST: Increase timeout
tools/power/x86/intel-speed-select: Fix invalid core mask
tools/power/x86/intel-speed-select: Increase CPU count
tools/power/x86/intel-speed-select: Fix json perf-profile output output
platform/x86: dell-wmi: Ignore keyboard attached / detached events
platform/x86: dell-laptop: don't register micmute LED if there is no token
platform/x86: thinkpad_acpi: Replace custom approach by kstrtoint()
platform/x86: thinkpad_acpi: Use strndup_user() in dispatch_proc_write()
platform/x86: thinkpad_acpi: Replace next_cmd(&buf) with strsep(&buf, ",")
platform/x86: intel-vbtn: Detect switch position before registering the input-device
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull uaccess/access_ok updates from Al Viro:
"Removals of trivially pointless access_ok() calls.
Note: the fiemap stuff was removed from the series, since they are
duplicates with part of ext4 series carried in Ted's tree"
* 'uaccess.access_ok' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vmci_host: get rid of pointless access_ok()
hfi1: get rid of pointless access_ok()
usb: get rid of pointless access_ok() calls
lpfc_debugfs: get rid of pointless access_ok()
efi_test: get rid of pointless access_ok()
drm_read(): get rid of pointless access_ok()
via-pmu: don't bother with access_ok()
drivers/crypto/ccp/sev-dev.c: get rid of pointless access_ok()
omapfb: get rid of pointless access_ok() calls
amifb: get rid of pointless access_ok() calls
drivers/fpga/dfl-afu-dma-region.c: get rid of pointless access_ok()
drivers/fpga/dfl-fme-pr.c: get rid of pointless access_ok()
cm4000_cs.c cmm_ioctl(): get rid of pointless access_ok()
nvram: drop useless access_ok()
n_hdlc_tty_read(): remove pointless access_ok()
tomoyo_write_control(): get rid of pointless access_ok()
btrfs_ioctl_send(): don't bother with access_ok()
fat_dir_ioctl(): hadn't needed that access_ok() for more than a decade...
dlmfs_file_write(): get rid of pointless access_ok()
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in all affected cases addresses are passed only to
copy_from()_user or copy_to_user().
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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dwc3_meson_g12a_usb2_init_phy() crashes with NULL pointer on an SM1
board (which uses the same USB setup as G12A) dereference as reported
by the Kernel CI bot. This is because of the following call flow:
dwc3_meson_g12a_probe
priv->drvdata->setup_regmaps
dwc3_meson_g12a_setup_regmaps
priv->usb2_ports is still 0 so priv->u2p_regmap[i] will be NULL
dwc3_meson_g12a_get_phys
initializes priv->usb2_ports
priv->drvdata->usb_init
dwc3_meson_g12a_usb_init
dwc3_meson_g12a_usb_init_glue
dwc3_meson_g12a_usb2_init
priv->drvdata->usb2_init_phy
dwc3_meson_g12a_usb2_init_phy
dereferences priv->u2p_regmap[i]
Call priv->drvdata->setup_regmaps only after dwc3_meson_g12a_get_phys so
priv->usb2_ports is initialized and the regmaps will be set up
correctly. This fixes the NULL dereference later on.
Fixes: 013af227f58a97 ("usb: dwc3: meson-g12a: handle the phy and glue registers separately")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Acked-by: Felipe Balbi <balbi@kernel.org>
Acked-by: Neil Armstrong <narmstron@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200526202943.715220-3-martin.blumenstingl@googlemail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Disable and unprepare the clocks when devm_reset_control_get_shared()
fails. This fixes the error path as this must disable the clocks which
were previously enabled.
Fixes: 1e355f21d3fb96 ("usb: dwc3: Add Amlogic A1 DWC3 glue")
Cc: Yue Wang <yue.wang@amlogic.com>
Cc: Hanjie Lin <hanjie.lin@amlogic.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200526202943.715220-2-martin.blumenstingl@googlemail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial fixes for 5.8-rc1
Here are some new modem device ids.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.8-rc1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add Telit LE910C1-EUX compositions
USB: serial: qcserial: add DW5816e QDL support
|
