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Patch series "mm: remove pfn_valid_within() and CONFIG_HOLES_IN_ZONE".
After recent updates to freeing unused parts of the memory map, no
architecture can have holes in the memory map within a pageblock. This
makes pfn_valid_within() check and CONFIG_HOLES_IN_ZONE configuration
option redundant.
The first patch removes them both in a mechanical way and the second patch
simplifies memory_hotplug::test_pages_in_a_zone() that had
pfn_valid_within() surrounded by more logic than simple if.
This patch (of 2):
After recent changes in freeing of the unused parts of the memory map and
rework of pfn_valid() in arm and arm64 there are no architectures that can
have holes in the memory map within a pageblock and so nothing can enable
CONFIG_HOLES_IN_ZONE which guards non trivial implementation of
pfn_valid_within().
With that, pfn_valid_within() is always hardwired to 1 and can be
completely removed.
Remove calls to pfn_valid_within() and CONFIG_HOLES_IN_ZONE.
Link: https://lkml.kernel.org/r/20210713080035.7464-1-rppt@kernel.org
Link: https://lkml.kernel.org/r/20210713080035.7464-2-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One hotfix for a NULL pointer deref in the Renesas usb clk driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: renesas: rcar-usb2-clock-sel: Fix kernel NULL pointer dereference
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The probe was manually passing NULL instead of dev to devm_clk_hw_register.
This caused a Unable to handle kernel NULL pointer dereference error.
Fix this by passing 'dev'.
Signed-off-by: Adam Ford <aford173@gmail.com>
Fixes: a20a40a8bbc2 ("clk: renesas: rcar-usb2-clock-sel: Fix error handling in .probe()")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov:
- Have msix_mask_all() check a global control which says whether MSI-X
masking should be done and thus make it usable on Xen-PV too
* tag 'irq_urgent_for_v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
PCI/MSI: Skip masking MSI-X on Xen PV
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When running as Xen PV guest, masking MSI-X is a responsibility of the
hypervisor. The guest has no write access to the relevant BAR at all - when
it tries to, it results in a crash like this:
BUG: unable to handle page fault for address: ffffc9004069100c
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
RIP: e030:__pci_enable_msix_range.part.0+0x26b/0x5f0
e1000e_set_interrupt_capability+0xbf/0xd0 [e1000e]
e1000_probe+0x41f/0xdb0 [e1000e]
local_pci_probe+0x42/0x80
(...)
The recently introduced function msix_mask_all() does not check the global
variable pci_msi_ignore_mask which is set by XEN PV to bypass the masking
of MSI[-X] interrupts.
Add the check to make this function XEN PV compatible.
Fixes: 7d5ec3d36123 ("PCI/MSI: Mask all unused MSI-X entries")
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210826170342.135172-1-marmarek@invisiblethingslab.com
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"A single fix for a race introduced by a fix that went into 5.14-rc5"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: Fix hang of freezing queue between blocking and running device
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We found a hang, the steps to reproduce are as follows:
1. blocking device via scsi_device_set_state()
2. dd if=/dev/sda of=/mnt/t.log bs=1M count=10
3. echo none > /sys/block/sda/queue/scheduler
4. echo "running" >/sys/block/sda/device/state
Step 3 and 4 should complete after step 4, but they hang.
CPU#0 CPU#1 CPU#2
--------------- ---------------- ----------------
Step 1: blocking device
Step 2: dd xxxx
^^^^^^ get request
q_usage_counter++
Step 3: switching scheculer
elv_iosched_store
elevator_switch
blk_mq_freeze_queue
blk_freeze_queue
> blk_freeze_queue_start
^^^^^^ mq_freeze_depth++
> blk_mq_run_hw_queues
^^^^^^ can't run queue when dev blocked
> blk_mq_freeze_queue_wait
^^^^^^ Hang here!!!
wait q_usage_counter==0
Step 4: running device
store_state_field
scsi_rescan_device
scsi_attach_vpd
scsi_vpd_inquiry
__scsi_execute
blk_get_request
blk_mq_alloc_request
blk_queue_enter
^^^^^^ Hang here!!!
wait mq_freeze_depth==0
blk_mq_run_hw_queues
^^^^^^ dispatch IO, q_usage_counter will reduce to zero
blk_mq_unfreeze_queue
^^^^^ mq_freeze_depth--
To fix this, we need to run queue before rescanning device when the device
state changes to SDEV_RUNNING.
Link: https://lore.kernel.org/r/20210824025921.3277629-1-lijinlin3@huawei.com
Fixes: f0f82e2476f6 ("scsi: core: Fix capacity set to zero after offlinining device")
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Li Jinlin <lijinlin3@huawei.com>
Signed-off-by: Qiu Laibin <qiulaibin@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull USB fixes from Greg KH:
"Here are a few tiny USB fixes for reported issues with some USB
drivers.
These fixes include:
- gadget driver fixes for regressions
- tcpm driver fix
- dwc3 driver fixes
- xhci renesas firmware loading fix, again.
- usb serial option driver device id addition
- usb serial ch341 revert for regression
All all of these have been in linux-next with no reported problems"
* tag 'usb-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: u_audio: fix race condition on endpoint stop
usb: gadget: f_uac2: fixup feedback endpoint stop
usb: typec: tcpm: Raise vdm_sm_running flag only when VDM SM is running
usb: renesas-xhci: Prefer firmware loading on unknown ROM state
usb: dwc3: gadget: Stop EP0 transfers during pullup disable
usb: dwc3: gadget: Fix dwc3_calc_trbs_left()
Revert "USB: serial: ch341: fix character loss at high transfer rates"
USB: serial: option: add new VID/PID to support Fibocom FG150
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If the endpoint completion callback is call right after the ep_enabled flag
is cleared and before usb_ep_dequeue() is call, we could do a double free
on the request and the associated buffer.
Fix this by clearing ep_enabled after all the endpoint requests have been
dequeued.
Fixes: 7de8681be2cd ("usb: gadget: u_audio: Free requests only after callback")
Cc: stable <stable@vger.kernel.org>
Reported-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20210827092927.366482-1-jbrunet@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When the uac2 function is stopped, there seems to be an issue reported on
some platforms (Intel Merrifield at least)
BUG: kernel NULL pointer dereference, address: 0000000000000008
...
RIP: 0010:dwc3_gadget_del_and_unmap_request+0x19/0xe0
...
Call Trace:
dwc3_remove_requests.constprop.0+0x12f/0x170
__dwc3_gadget_ep_disable+0x7a/0x160
dwc3_gadget_ep_disable+0x3d/0xd0
usb_ep_disable+0x1c/0x70
u_audio_stop_capture+0x79/0x120 [u_audio]
afunc_set_alt+0x73/0x80 [usb_f_uac2]
composite_setup+0x224/0x1b90 [libcomposite]
The issue happens only when the gadget is using the sync type "async", not
"adaptive". This indicates that problem is coming from the feedback
endpoint, which is only used with async synchronization mode.
The problem is that request is freed regardless of usb_ep_dequeue(), which
ends up badly if the request is not actually dequeued yet.
Update the feedback endpoint free function to release the endpoint the same
way it is done for the data endpoint, which takes care of the problem.
Fixes: 24f779dac8f3 ("usb: gadget: f_uac2/u_audio: add feedback endpoint support")
Reported-by: Ferry Toth <ftoth@exalondelft.nl>
Tested-by: Ferry Toth <ftoth@exalondelft.nl>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20210827075853.266912-1-jbrunet@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the port is going to send Discover_Identity Message, vdm_sm_running
flag was intentionally set before entering Ready States in order to
avoid the conflict because the port and the port partner might start
AMS at almost the same time after entering Ready States.
However, the original design has a problem. When the port is doing
DR_SWAP from Device to Host, it raises the flag. Later in the
tcpm_send_discover_work, the flag blocks the procedure of sending the
Discover_Identity and it might never be cleared until disconnection.
Since there exists another flag send_discover representing that the port
is going to send Discover_Identity or not, it is enough to use that flag
to prevent the conflict. Also change the timing of the set/clear of
vdm_sm_running to indicate whether the VDM SM is actually running or
not.
Fixes: c34e85fa69b9 ("usb: typec: tcpm: Send DISCOVER_IDENTITY from dedicated work")
Cc: stable <stable@vger.kernel.org>
Cc: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210826124201.1562502-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The recent attempt to handle an unknown ROM state in the commit
d143825baf15 ("usb: renesas-xhci: Fix handling of unknown ROM state")
resulted in a regression and reverted later by the commit 44cf53602f5a
("Revert "usb: renesas-xhci: Fix handling of unknown ROM state"").
The problem of the former fix was that it treated the failure of
firmware loading as a fatal error. Since the firmware files aren't
included in the standard linux-firmware tree, most users don't have
them, hence they got the non-working system after that. The revert
fixed the regression, but also it didn't make the firmware loading
triggered even on the devices that do need it. So we need still a fix
for them.
This is another attempt to handle the unknown ROM state. Like the
previous fix, this also tries to load the firmware when ROM shows
unknown state. In this patch, however, the failure of a firmware
loading (such as a missing firmware file) isn't handled as a fatal
error any longer when ROM has been already detected, but it falls back
to the ROM mode like before. The error is returned only when no ROM
is detected and the firmware loading failed.
Along with it, for simplifying the code flow, the detection and the
check of ROM is factored out from renesas_fw_check_running() and done
in the caller side, renesas_xhci_check_request_fw(). It avoids the
redundant ROM checks.
The patch was tested on Lenovo Thinkpad T14 gen (BIOS 1.34). Also it
was confirmed that no regression is seen on another Thinkpad T14
machine that has worked without the patch, too.
Fixes: 44cf53602f5a ("Revert "usb: renesas-xhci: Fix handling of unknown ROM state"")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
BugLink: https://bugzilla.opensuse.org/show_bug.cgi?id=1189207
Link: https://lore.kernel.org/r/20210826124127.14789-1-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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During a USB cable disconnect, or soft disconnect scenario, a pending
SETUP transaction may not be completed, leading to the following
error:
dwc3 a600000.dwc3: timed out waiting for SETUP phase
If this occurs, then the entire pullup disable routine is skipped and
proper cleanup and halting of the controller does not complete.
Instead of returning an error (which is ignored from the UDC
perspective), allow the pullup disable routine to continue, which
will also handle disabling of EP0/1. This will end any active
transfers as well. Ensure to clear any delayed_status also, as the
timeout could happen within the STATUS stage.
Fixes: bb0147364850 ("usb: dwc3: gadget: don't clear RUN/STOP when it's invalid to do so")
Cc: <stable@vger.kernel.org>
Reviewed-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
Link: https://lore.kernel.org/r/20210825042855.7977-1-wcheng@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We can't depend on the TRB's HWO bit to determine if the TRB ring is
"full". A TRB is only available when the driver had processed it, not
when the controller consumed and relinquished the TRB's ownership to the
driver. Otherwise, the driver may overwrite unprocessed TRBs. This can
happen when many transfer events accumulate and the system is slow to
process them and/or when there are too many small requests.
If a request is in the started_list, that means there is one or more
unprocessed TRBs remained. Check this instead of the TRB's HWO bit
whether the TRB ring is full.
Fixes: c4233573f6ee ("usb: dwc3: gadget: prepare TRBs on update transfers too")
Cc: <stable@vger.kernel.org>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/e91e975affb0d0d02770686afc3a5b9eb84409f6.1629335416.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 3c18e9baee0ef97510dcda78c82285f52626764b.
These devices do not appear to send a zero-length packet when the
transfer size is a multiple of the bulk-endpoint max-packet size. This
means that incoming data may not be processed by the driver until a
short packet is received or the receive buffer is full.
Revert back to using endpoint-sized receive buffers to avoid stalled
reads.
Reported-by: Paul Größel <pb.g@gmx.de>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=214131
Fixes: 3c18e9baee0e ("USB: serial: ch341: fix character loss at high transfer rates")
Cc: stable@vger.kernel.org
Cc: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20210824121926.19311-1-johan@kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Fibocom FG150 is a 5G module based on Qualcomm SDX55 platform,
support Sub-6G band.
Here are the outputs of lsusb -v and usb-devices:
> T: Bus=02 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0
> D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
> P: Vendor=2cb7 ProdID=010b Rev=04.14
> S: Manufacturer=Fibocom
> S: Product=Fibocom Modem_SN:XXXXXXXX
> S: SerialNumber=XXXXXXXX
> C: #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=896mA
> I: If#=0x0 Alt= 0 #EPs= 1 Cls=ef(misc ) Sub=04 Prot=01 Driver=rndis_host
> I: If#=0x1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host
> I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
> I: If#=0x3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=(none)
> I: If#=0x4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
> Bus 002 Device 002: ID 2cb7:010b Fibocom Fibocom Modem_SN:XXXXXXXX
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 3.20
> bDeviceClass 0
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 9
> idVendor 0x2cb7 Fibocom
> idProduct 0x010b
> bcdDevice 4.14
> iManufacturer 1 Fibocom
> iProduct 2 Fibocom Modem_SN:XXXXXXXX
> iSerial 3 XXXXXXXX
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 0x00e6
> bNumInterfaces 5
> bConfigurationValue 1
> iConfiguration 4 RNDIS_DUN_DIAG_ADB
> bmAttributes 0xa0
> (Bus Powered)
> Remote Wakeup
> MaxPower 896mA
> Interface Association:
> bLength 8
> bDescriptorType 11
> bFirstInterface 0
> bInterfaceCount 2
> bFunctionClass 239 Miscellaneous Device
> bFunctionSubClass 4
> bFunctionProtocol 1
> iFunction 7 RNDIS
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 239 Miscellaneous Device
> bInterfaceSubClass 4
> bInterfaceProtocol 1
> iInterface 0
> ** UNRECOGNIZED: 05 24 00 10 01
> ** UNRECOGNIZED: 05 24 01 00 01
> ** UNRECOGNIZED: 04 24 02 00
> ** UNRECOGNIZED: 05 24 06 00 01
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0008 1x 8 bytes
> bInterval 9
> bMaxBurst 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x8e EP 14 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 6
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x0f EP 15 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 6
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 0
> bNumEndpoints 3
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 0
> bInterfaceProtocol 0
> iInterface 0
> ** UNRECOGNIZED: 05 24 00 10 01
> ** UNRECOGNIZED: 05 24 01 00 00
> ** UNRECOGNIZED: 04 24 02 02
> ** UNRECOGNIZED: 05 24 06 00 00
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x83 EP 3 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x000a 1x 10 bytes
> bInterval 9
> bMaxBurst 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x01 EP 1 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 3
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 255 Vendor Specific Subclass
> bInterfaceProtocol 48
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x84 EP 4 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x02 EP 2 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 4
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 66
> bInterfaceProtocol 1
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x03 EP 3 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x85 EP 5 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0400 1x 1024 bytes
> bInterval 0
> bMaxBurst 0
> Binary Object Store Descriptor:
> bLength 5
> bDescriptorType 15
> wTotalLength 0x0016
> bNumDeviceCaps 2
> USB 2.0 Extension Device Capability:
> bLength 7
> bDescriptorType 16
> bDevCapabilityType 2
> bmAttributes 0x00000006
> BESL Link Power Management (LPM) Supported
> SuperSpeed USB Device Capability:
> bLength 10
> bDescriptorType 16
> bDevCapabilityType 3
> bmAttributes 0x00
> wSpeedsSupported 0x000f
> Device can operate at Low Speed (1Mbps)
> Device can operate at Full Speed (12Mbps)
> Device can operate at High Speed (480Mbps)
> Device can operate at SuperSpeed (5Gbps)
> bFunctionalitySupport 1
> Lowest fully-functional device speed is Full Speed (12Mbps)
> bU1DevExitLat 1 micro seconds
> bU2DevExitLat 500 micro seconds
> Device Status: 0x0000
> (Bus Powered)
Signed-off-by: Zhengjun Zhang <zhangzhengjun@aicrobo.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
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Pull block fixes from Jens Axboe:
- Revert the mq-deadline priority handling, it's causing serious
performance regressions. While experimental patches exists to fix
this up, it's too late to do so now. Revert it and re-do it properly
for 5.15 instead.
- Fix a NULL vs IS_ERR() regression in this release (Dan)
- Fix a mq-deadline accounting regression in this release (Bart)
- Mark cryptoloop as deprecated. It's broken and dm-crypt fully
supports it, and it's actively intefering with loop. Plan on removal
for 5.16 (Christoph)
* tag 'block-5.14-2021-08-27' of git://git.kernel.dk/linux-block:
cryptoloop: add a deprecation warning
pd: fix a NULL vs IS_ERR() check
Revert "block/mq-deadline: Prioritize high-priority requests"
mq-deadline: Fix request accounting
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Support for cryptoloop has been officially marked broken and deprecated
in favor of dm-crypt (which supports the same broken algorithms if
needed) in Linux 2.6.4 (released in March 2004), and support for it has
been entirely removed from losetup in util-linux 2.23 (released in April
2013). Add a warning and a deprecation schedule.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210827163250.255325-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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blk_mq_alloc_disk() returns error pointers, it doesn't return NULL
so correct the check.
Fixes: 262d431f9000 ("pd: use blk_mq_alloc_disk and blk_cleanup_disk")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210827100023.GB9449@kili
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Just two trivial fixes from the reset driver tree, nothing else came
up since the last soc fixes"
* tag 'soc-fixes-5.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
reset: reset-zynqmp: Fixed the argument data type
reset: RESET_MCHP_SPARX5 should depend on ARCH_SPARX5
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arm/fixes
Reset controller fixes for v5.14
Hide the Sparx5 reset driver unless the ARCH_SPARX5 or COMPILE_TEST
options are enabled, to avoid unnecessarily asking users about this
driver. Fix a return value argument type in the ZynqMP reset driver.
* tag 'reset-fixes-for-v5.14' of git://git.pengutronix.de/pza/linux:
reset: reset-zynqmp: Fixed the argument data type
reset: RESET_MCHP_SPARX5 should depend on ARCH_SPARX5
Link: https://lore.kernel.org/r/e543959c5b5ee7b25686f81049bf187d602daeda.camel@pengutronix.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This patch changes the data type of the variable 'val' from
int to u32.
Addresses-Coverity: argument of type "int *" is incompatible with parameter of type "u32 *"
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/925cebbe4eb73c7d0a536da204748d33c7100d8c.1624448778.git.michal.simek@xilinx.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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The Microchip Sparx5 switch reset block is only present on Microchip
Sparx5 SoCs. Hence add a dependency on ARCH_SPARX5, to prevent asking
the user about this driver when configuring a kernel without Sparx5
support.
Fixes: 453ed4283bebd077 ("reset: mchp: sparx5: add switch reset driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/6e08f6f46123d0712397e901716b48f13fa5dc48.1624627657.git.geert@linux-m68k.org
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a regression introduced during this cycle that has been partially
addressed by an earlier commit (Andy Shevchenko)"
* tag 'acpi-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
media: ipu3-cio2: Drop reference on error path in cio2_bridge_connect_sensor()
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The commit 71f642833284 ("ACPI: utils: Fix reference counting in
for_each_acpi_dev_match()") moved adev assignment outside of error
path and hence made acpi_dev_put(sensor->adev) a no-op. We still
need to drop reference count on error path, and to achieve that,
replace sensor->adev by locally assigned adev.
Fixes: 71f642833284 ("ACPI: utils: Fix reference counting in for_each_acpi_dev_match()")
Depends-on: fc68f42aa737 ("ACPI: fix NULL pointer dereference")
Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two issues introduced during this cycle, one of which is a
regression and the other one affects new code.
Specifics:
- Prevent the operating performance points (OPP) code from crashing
when some entries in the table of required OPPs are set to error
pointer values (Marijn Suijten)
- Prevent the generic power domains (genpd) framework from
incorrectly overriding the performance state of a device set by its
driver while it is runtime-suspended or when runtime PM of it is
disabled (Dmitry Osipenko)"
* tag 'pm-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: domains: Improve runtime PM performance state handling
opp: core: Check for pending links before reading required_opp pointers
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* pm-opp:
opp: core: Check for pending links before reading required_opp pointers
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git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into pm-opp
Pull regression fix for the operating performance points (OPP)
framework for v5.15 from Viresh Kumar:
"This fixes regression in the OPP core for a corner case."
* 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
opp: core: Check for pending links before reading required_opp pointers
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Commit 4fa82a87ba55 ("opp: Allow required-opps to be used for non genpd
use cases") dereferences the pointers in required_opp_tables but these
might be set to an ERR_PTR if the list still has lazy links pending,
resulting in segfaults. Prior to this patch IS_ERR was also checked on
required_opp_tables[i] before reading ->is_genpd inside
_opp_table_alloc_required_tables, which is at the same time the
predicate to add this table to the lazy list. This segfault is solved
by reordering the checks to bail on lazy pending tables before reading
->is_genpd.
Fixes: 4fa82a87ba55 ("opp: Allow required-opps to be used for non genpd use cases")
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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GENPD core doesn't support handling performance state changes while
consumer device is runtime-suspended or when runtime PM is disabled.
GENPD core may override performance state that was configured by device
driver while RPM of the device was disabled or device was RPM-suspended.
Let's close that gap by allowing drivers to control performance state
while RPM of a consumer device is disabled and to set up performance
state of RPM-suspended device that will be applied by GENPD core on
RPM-resume of the device.
Fixes: 5937c3ce2122 ("PM: domains: Drop/restore performance state votes for devices at runtime PM")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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virtio_mem_set_fake_offline() might sleep now, and we call it under
rcu_read_lock(). To fix it, simply move the rcu_read_unlock() further
up, as we're done with the device.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 6cc26d77613a: "virtio-mem: use page_offline_(start|end) when setting PageOffline()
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fix from Ulf Hansson:
- sdhci-iproc: Fix clock error for ACPI rpi's
* tag 'mmc-v5.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
Revert "mmc: sdhci-iproc: Set SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN on BCM2711"
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This reverts commit 419dd626e357e89fc9c4e3863592c8b38cfe1571.
It turned out that the change from the reverted commit breaks the ACPI
based rpi's because it causes the 100Mhz max clock to be overridden to the
return from sdhci_iproc_get_max_clock(), which is 0 because there isn't a
OF/DT based clock device.
Reported-by: Jeremy Linton <jeremy.linton@arm.com>
Fixes: 419dd626e357 ("mmc: sdhci-iproc: Set SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN on BCM2711")
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Pull drm fixes from Dave Airlie:
"Last set of fixes for 5.14, nothing major a couple of i915, couple of
imx and a few amdgpu. All pretty small.
i915:
- Fix syncmap memory leak
- Drop redundant display port debug print
amdgpu:
- Fix for pinning display buffers multiple times
- Fix delayed work handling for GFXOFF
- Fix build when CONFIG_SUSPEND is not set
imx:
- fix planar offset calculations
- fix accidental partial revert"
* tag 'drm-fixes-2021-08-27' of git://anongit.freedesktop.org/drm/drm:
drm/i915/dp: Drop redundant debug print
drm/i915: Fix syncmap memory leak
drm/amdgpu: Fix build with missing pm_suspend_target_state module export
drm/amdgpu: Cancel delayed work when GFXOFF is disabled
drm/amdgpu: use the preferred pin domain after the check
drm/imx: ipuv3-plane: fix accidental partial revert of 8 pixel alignment fix
gpu: ipu-v3: Fix i.MX IPU-v3 offset calculations for (semi)planar U/V formats
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into drm-fixes
drm/imx: imx-drm alignment and plane offset fixes
Fix an accidental partial revert of commit 94dfec48fca7 ("drm/imx: Add 8
pixel alignment fix") and plane offset calculations for capture of
non-aligned resolutions.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/85a41af99beb2c9e7d6020435a135bf9f205a5ff.camel@pengutronix.de
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This fixes an accidental partial revert of commit 94dfec48fca7
("drm/imx: Add 8 pixel alignment fix") during a rebase of
commit fc1e985b67f9 ("drm/imx: ipuv3-plane: add color encoding and range
properties").
Fixes: fc1e985b67f9 ("drm/imx: ipuv3-plane: add color encoding and range properties")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20210816131728.30987-1-p.zabel@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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Video captured in 1400x1050 resolution (bytesperline aka stride = 1408
bytes) is invalid. Fix it.
Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
Link: https://lore.kernel.org/r/m3y2bmq7a4.fsf@t19.piap.pl
[p.zabel@pengutronix.de: added "gpu: ipu-v3:" prefix to commit description]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.14-2021-08-25:
amdgpu:
- Fix for pinning display buffers multiple times
- Fix delayed work handling for GFXOFF
- Fix build when CONFIG_SUSPEND is not set
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210826032658.4068-1-alexander.deucher@amd.com
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Building a randconfig here triggered:
ERROR: modpost: "pm_suspend_target_state" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
because the module export of that symbol happens in
kernel/power/suspend.c which is enabled with CONFIG_SUSPEND.
The ifdef guards in amdgpu_acpi_is_s0ix_supported(), however, test for
CONFIG_PM_SLEEP which is defined like this:
config PM_SLEEP
def_bool y
depends on SUSPEND || HIBERNATE_CALLBACKS
and that randconfig has:
# CONFIG_SUSPEND is not set
CONFIG_HIBERNATE_CALLBACKS=y
leading to the module export missing.
Change the ifdeffery to depend directly on CONFIG_SUSPEND.
Fixes: 5706cb3c910c ("drm/amdgpu: fix checking pmops when PM_SLEEP is not enabled")
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/YSP6Lv53QV0cOAsd@zn.tnic
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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schedule_delayed_work does not push back the work if it was already
scheduled before, so amdgpu_device_delay_enable_gfx_off ran ~100 ms
after the first time GFXOFF was disabled and re-enabled, even if GFXOFF
was disabled and re-enabled again during those 100 ms.
This resulted in frame drops / stutter with the upcoming mutter 41
release on Navi 14, due to constantly enabling GFXOFF in the HW and
disabling it again (for getting the GPU clock counter).
To fix this, call cancel_delayed_work_sync when the disable count
transitions from 0 to 1, and only schedule the delayed work on the
reverse transition, not if the disable count was already 0. This makes
sure the delayed work doesn't run at unexpected times, and allows it to
be lock-free.
v2:
* Use cancel_delayed_work_sync & mutex_trylock instead of
mod_delayed_work.
v3:
* Make amdgpu_device_delay_enable_gfx_off lock-free (Christian König)
v4:
* Fix race condition between amdgpu_gfx_off_ctrl incrementing
adev->gfx.gfx_off_req_count and amdgpu_device_delay_enable_gfx_off
checking for it to be 0 (Evan Quan)
Cc: stable@vger.kernel.org
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> # v3
Acked-by: Christian König <christian.koenig@amd.com> # v3
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For some reason we run into an use case where a BO is already pinned
into GTT, but should be pinned into VRAM|GTT again.
Handle that case gracefully as well.
Reviewed-by: Shashank Sharma <Shashank.sharma@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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drm_dp_dpcd_read/write already has debug error message.
Drop redundant error messages which gives false
status even if correct value is read in drm_dp_dpcd_read().
v2: -Added fixes tag (Ankit)
v3: -Fixed build error (CI)
Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery")
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.12+
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210812131107.5531-1-swati2.sharma@intel.com
(cherry picked from commit b6dfa416172939edaa46a5a647457b94c6d94119)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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A small race exists between intel_gt_retire_requests_timeout and
intel_timeline_exit which could result in the syncmap not getting
free'd. Rather than work to hard to seal this race, simply cleanup the
syncmap on fini.
unreferenced object 0xffff88813bc53b18 (size 96):
comm "gem_close_race", pid 5410, jiffies 4294917818 (age 1105.600s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 00 00 00 00 0a 00 00 00 ................
00 00 00 00 00 00 00 00 6b 6b 6b 6b 06 00 00 00 ........kkkk....
backtrace:
[<00000000120b863a>] __sync_alloc_leaf+0x1e/0x40 [i915]
[<00000000042f6959>] __sync_set+0x1bb/0x240 [i915]
[<0000000090f0e90f>] i915_request_await_dma_fence+0x1c7/0x400 [i915]
[<0000000056a48219>] i915_request_await_object+0x222/0x360 [i915]
[<00000000aaac4ee3>] i915_gem_do_execbuffer+0x1bd0/0x2250 [i915]
[<000000003c9d830f>] i915_gem_execbuffer2_ioctl+0x405/0xce0 [i915]
[<00000000fd7a8e68>] drm_ioctl_kernel+0xb0/0xf0 [drm]
[<00000000e721ee87>] drm_ioctl+0x305/0x3c0 [drm]
[<000000008b0d8986>] __x64_sys_ioctl+0x71/0xb0
[<0000000076c362a4>] do_syscall_64+0x33/0x80
[<00000000eb7a4831>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Fixes: 531958f6f357 ("drm/i915/gt: Track timeline activeness in enter/exit")
Cc: <stable@vger.kernel.org>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730195342.110234-1-matthew.brost@intel.com
(cherry picked from commit faf890985e30d5e88cc3a7c50c1bcad32f89ab7c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from can and bpf.
Closing three hw-dependent regressions. Any fixes of note are in the
'old code' category. Nothing blocking release from our perspective.
Current release - regressions:
- stmmac: revert "stmmac: align RX buffers"
- usb: asix: ax88772: move embedded PHY detection as early as
possible
- usb: asix: do not call phy_disconnect() for ax88178
- Revert "net: really fix the build...", from Kalle to fix QCA6390
Current release - new code bugs:
- phy: mediatek: add the missing suspend/resume callbacks
Previous releases - regressions:
- qrtr: fix another OOB Read in qrtr_endpoint_post
- stmmac: dwmac-rk: fix unbalanced pm_runtime_enable warnings
Previous releases - always broken:
- inet: use siphash in exception handling
- ip_gre: add validation for csum_start
- bpf: fix ringbuf helper function compatibility
- rtnetlink: return correct error on changing device netns
- e1000e: do not try to recover the NVM checksum on Tiger Lake"
* tag 'net-5.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (43 commits)
Revert "net: really fix the build..."
net: hns3: fix get wrong pfc_en when query PFC configuration
net: hns3: fix GRO configuration error after reset
net: hns3: change the method of getting cmd index in debugfs
net: hns3: fix duplicate node in VLAN list
net: hns3: fix speed unknown issue in bond 4
net: hns3: add waiting time before cmdq memory is released
net: hns3: clear hardware resource when loading driver
net: fix NULL pointer reference in cipso_v4_doi_free
rtnetlink: Return correct error on changing device netns
net: dsa: hellcreek: Adjust schedule look ahead window
net: dsa: hellcreek: Fix incorrect setting of GCL
cxgb4: dont touch blocked freelist bitmap after free
ipv4: use siphash instead of Jenkins in fnhe_hashfun()
ipv6: use siphash in rt6_exception_hash()
can: usb: esd_usb2: esd_usb2_rx_event(): fix the interchange of the CAN RX and TX error counters
net: usb: asix: ax88772: fix boolconv.cocci warnings
net/sched: ets: fix crash when flipping from 'strict' to 'quantum'
qede: Fix memset corruption
net: stmmac: fix kernel panic due to NULL pointer dereference of buf->xdp
...
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This reverts commit ce78ffa3ef1681065ba451cfd545da6126f5ca88.
Wren and Nicolas reported that ath11k was failing to initialise QCA6390
Wi-Fi 6 device with error:
qcom_mhi_qrtr: probe of mhi0_IPCR failed with error -22
Commit ce78ffa3ef16 ("net: really fix the build..."), introduced in
v5.14-rc5, caused this regression in qrtr. Most likely all ath11k
devices are broken, but I only tested QCA6390. Let's revert the broken
commit so that ath11k works again.
Reported-by: Wren Turkal <wt@penguintechs.org>
Reported-by: Nicolas Schichan <nschichan@freebox.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210826172816.24478-1-kvalo@codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, when query PFC configuration by dcbtool, driver will return
PFC enable status based on TC. As all priorities are mapped to TC0 by
default, if TC0 is enabled, then all priorities mapped to TC0 will be
shown as enabled status when query PFC setting, even though some
priorities have never been set.
for example:
$ dcb pfc show dev eth0
pfc-cap 4 macsec-bypass off delay 0
prio-pfc 0:off 1:off 2:off 3:off 4:off 5:off 6:off 7:off
$ dcb pfc set dev eth0 prio-pfc 0:on 1:on 2:on 3:on
$ dcb pfc show dev eth0
pfc-cap 4 macsec-bypass off delay 0
prio-pfc 0:on 1:on 2:on 3:on 4:on 5:on 6:on 7:on
To fix this problem, just returns user's PFC config parameter saved in
driver.
Fixes: cacde272dd00 ("net: hns3: Add hclge_dcb module for the support of DCB feature")
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The GRO configuration is enabled by default after reset. This
is incorrect and should be restored to the user-configured value.
So this restoration is added during reset initialization.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, the cmd index is obtained in debugfs by comparing file names.
However, this method may cause errors when processing more complex file
names. So, change this method by saving cmd in private data and comparing
it when getting cmd index in debugfs for optimization.
Fixes: 5e69ea7ee2a6 ("net: hns3: refactor the debugfs process")
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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VLAN list should not be added duplicate VLAN node, otherwise it would
cause "add failed" when restore VLAN from VLAN list, so this patch adds
VLAN ID check before adding node into VLAN list.
Fixes: c6075b193462 ("net: hns3: Record VF vlan tables")
Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In bond 4, when the link goes down and up repeatedly, the bond may get an
unknown speed, and then this port can not work.
The driver notify netif_carrier_on() before update the link state, when the
bond receive carrier on, will query the speed of the port, if the query
operation happens before updating the link state, will get an unknown
speed. So need to notify netif_carrier_on() after update the link state.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Fixes: e2cb1dec9779 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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