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Some devices need to share their reset signals, like DSP MMUs, thus drop
the exclusive notation from reset request. Also, balance the init time
reset count, otherwise the resets will never be applied post boot.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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If reset controllers are assigned to the ti-sysc target-module, only
ti-sysc is going to be able to control these. Thus, remove all the
disable_on_idle flag usage, and assert/de-assert the reset always
in the idle path. Otherwise the reset signal will always just be
de-asserted.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Parenting clockdomain for the IP should be enabled during the reset
handling logic, otherwise the reset may not finish properly. Re-order
the clockdomain control logic to avoid this.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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A few fields in various structures is missing the corresponding
kerneldoc comments. Add them. Also, fixed the comment for sidlemodes.
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Use the appropriate SPDX license identifier in the TI sysc
interconnect target driver source files and drop the previous
boilerplate license text. Also, add the the SPDX license
identifier in the associated ti-sysc header files.
Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc driver fixes for reported issues for
5.3-rc7
Also included in here is the documentation for how we are handling
hardware issues under embargo that everyone has finally agreed on, as
well as a MAINTAINERS update for the suckers who agreed to handle the
LICENSES/ files.
All of these have been in linux-next last week with no reported
issues"
* tag 'char-misc-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
fsi: scom: Don't abort operations for minor errors
vmw_balloon: Fix offline page marking with compaction
VMCI: Release resource if the work is already queued
Documentation/process: Embargoed hardware security issues
lkdtm/bugs: fix build error in lkdtm_EXHAUST_STACK
mei: me: add Tiger Lake point LP device ID
intel_th: pci: Add Tiger Lake support
intel_th: pci: Add support for another Lewisburg PCH
stm class: Fix a double free of stm_source_device
MAINTAINERS: add entry for LICENSES and SPDX stuff
fpga: altera-ps-spi: Fix getting of optional confd gpio
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The scom driver currently fails out of operations if certain system
errors are flagged in the status register; system checkstop, special
attention, or recoverable error. These errors won't impact the ability
of the scom engine to perform operations, so the driver should continue
under these conditions.
Also, don't do a PIB reset for these conditions, since it won't help.
Fixes: 6b293258cded ("fsi: scom: Major overhaul")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20190827041249.13381-1-jk@ozlabs.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The compaction code already marks pages as offline when it enqueues
pages in the ballooned page list, and removes the mapping when the pages
are removed from the list. VMware balloon also updates the flags,
instead of letting the balloon-compaction logic handle it, which causes
the assertion VM_BUG_ON_PAGE(!PageOffline(page)) to fire, when
__ClearPageOffline is called the second time. This causes the following
crash.
[ 487.104520] kernel BUG at include/linux/page-flags.h:749!
[ 487.106364] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC PTI
[ 487.107681] CPU: 7 PID: 1106 Comm: kworker/7:3 Not tainted 5.3.0-rc5balloon #227
[ 487.109196] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[ 487.111452] Workqueue: events_freezable vmballoon_work [vmw_balloon]
[ 487.112779] RIP: 0010:vmballoon_release_page_list+0xaa/0x100 [vmw_balloon]
[ 487.114200] Code: fe 48 c1 e7 06 4c 01 c7 8b 47 30 41 89 c1 41 81 e1 00 01 00 f0 41 81 f9 00 00 00 f0 74 d3 48 c7 c6 08 a1 a1 c0 e8 06 0d e7 ea <0f> 0b 44 89 f6 4c 89 c7 e8 49 9c e9 ea 49 8d 75 08 49 8b 45 08 4d
[ 487.118033] RSP: 0018:ffffb82f012bbc98 EFLAGS: 00010246
[ 487.119135] RAX: 0000000000000037 RBX: 0000000000000001 RCX: 0000000000000006
[ 487.120601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9a85b6bd7620
[ 487.122071] RBP: ffffb82f012bbcc0 R08: 0000000000000001 R09: 0000000000000000
[ 487.123536] R10: 0000000000000000 R11: 0000000000000000 R12: ffffb82f012bbd00
[ 487.125002] R13: ffffe97f4598d9c0 R14: 0000000000000000 R15: ffffb82f012bbd34
[ 487.126463] FS: 0000000000000000(0000) GS:ffff9a85b6bc0000(0000) knlGS:0000000000000000
[ 487.128110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 487.129316] CR2: 00007ffe6e413ea0 CR3: 0000000230b18001 CR4: 00000000003606e0
[ 487.130812] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 487.132283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 487.133749] Call Trace:
[ 487.134333] vmballoon_deflate+0x22c/0x390 [vmw_balloon]
[ 487.135468] vmballoon_work+0x6e7/0x913 [vmw_balloon]
[ 487.136711] ? process_one_work+0x21a/0x5e0
[ 487.138581] process_one_work+0x298/0x5e0
[ 487.139926] ? vmballoon_migratepage+0x310/0x310 [vmw_balloon]
[ 487.141610] ? process_one_work+0x298/0x5e0
[ 487.143053] worker_thread+0x41/0x400
[ 487.144389] kthread+0x12b/0x150
[ 487.145582] ? process_one_work+0x5e0/0x5e0
[ 487.146937] ? kthread_create_on_node+0x60/0x60
[ 487.148637] ret_from_fork+0x3a/0x50
Fix it by updating the PageOffline indication only when a 2MB page is
enqueued and dequeued. The 4KB pages will be handled correctly by the
balloon compaction logic.
Fixes: 83a8afa72e9c ("vmw_balloon: Compaction support")
Cc: David Hildenbrand <david@redhat.com>
Reported-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Nadav Amit <namit@vmware.com>
Link: https://lore.kernel.org/r/20190820160121.452-1-namit@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Francois reported that VMware balloon gets stuck after a balloon reset,
when the VMCI doorbell is removed. A similar error can occur when the
balloon driver is removed with the following splat:
[ 1088.622000] INFO: task modprobe:3565 blocked for more than 120 seconds.
[ 1088.622035] Tainted: G W 5.2.0 #4
[ 1088.622087] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1088.622205] modprobe D 0 3565 1450 0x00000000
[ 1088.622210] Call Trace:
[ 1088.622246] __schedule+0x2a8/0x690
[ 1088.622248] schedule+0x2d/0x90
[ 1088.622250] schedule_timeout+0x1d3/0x2f0
[ 1088.622252] wait_for_completion+0xba/0x140
[ 1088.622320] ? wake_up_q+0x80/0x80
[ 1088.622370] vmci_resource_remove+0xb9/0xc0 [vmw_vmci]
[ 1088.622373] vmci_doorbell_destroy+0x9e/0xd0 [vmw_vmci]
[ 1088.622379] vmballoon_vmci_cleanup+0x6e/0xf0 [vmw_balloon]
[ 1088.622381] vmballoon_exit+0x18/0xcc8 [vmw_balloon]
[ 1088.622394] __x64_sys_delete_module+0x146/0x280
[ 1088.622408] do_syscall_64+0x5a/0x130
[ 1088.622410] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 1088.622415] RIP: 0033:0x7f54f62791b7
[ 1088.622421] Code: Bad RIP value.
[ 1088.622421] RSP: 002b:00007fff2a949008 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
[ 1088.622426] RAX: ffffffffffffffda RBX: 000055dff8b55d00 RCX: 00007f54f62791b7
[ 1088.622426] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055dff8b55d68
[ 1088.622427] RBP: 000055dff8b55d00 R08: 00007fff2a947fb1 R09: 0000000000000000
[ 1088.622427] R10: 00007f54f62f5cc0 R11: 0000000000000206 R12: 000055dff8b55d68
[ 1088.622428] R13: 0000000000000001 R14: 000055dff8b55d68 R15: 00007fff2a94a3f0
The cause for the bug is that when the "delayed" doorbell is invoked, it
takes a reference on the doorbell entry and schedules work that is
supposed to run the appropriate code and drop the doorbell entry
reference. The code ignores the fact that if the work is already queued,
it will not be scheduled to run one more time. As a result one of the
references would not be dropped. When the code waits for the reference
to get to zero, during balloon reset or module removal, it gets stuck.
Fix it. Drop the reference if schedule_work() indicates that the work is
already queued.
Note that this bug got more apparent (or apparent at all) due to
commit ce664331b248 ("vmw_balloon: VMCI_DOORBELL_SET does not check status").
Fixes: 83e2ec765be03 ("VMCI: doorbell implementation.")
Reported-by: Francois Rigault <rigault.francois@gmail.com>
Cc: Jorgen Hansen <jhansen@vmware.com>
Cc: Adit Ranadive <aditr@vmware.com>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Vishnu DASA <vdasa@vmware.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nadav Amit <namit@vmware.com>
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20190820202638.49003-1-namit@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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lkdtm/bugs.c:94:2: error: format '%d' expects argument of type 'int', but argument 2 has type 'long unsigned int' [-Werror=format=]
pr_info("Calling function with %d frame size to depth %d ...\n",
^
THREAD_SIZE is defined as a unsigned long, cast CONFIG_FRAME_WARN to
unsigned long as well.
Fixes: 24cccab42c419 ("lkdtm/bugs: Adjust recursion test to avoid elision")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Acked-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20190827173619.170065-1-rrangel@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add Tiger Lake Point device ID for TGP LP.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190819103210.32748-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This adds support for the Trace Hub in Tiger Lake PCH.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: stable@vger.kernel.org # v4.14+
Link: https://lore.kernel.org/r/20190821074955.3925-5-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add support for the Trace Hub in another Lewisburg PCH.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: stable@vger.kernel.org # v4.14+
Link: https://lore.kernel.org/r/20190821074955.3925-4-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In the error path of stm_source_register_device(), the kfree is
unnecessary, as the put_device() before it ends up calling
stm_source_device_release() to free stm_source_device, leading to
a double free at the outer kfree() call. Remove it.
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Fixes: 7bd1d4093c2fa ("stm class: Introduce an abstraction for System Trace Module devices")
Link: https://lore.kernel.org/linux-arm-kernel/1563354988-23826-1-git-send-email-dingxiang@cmss.chinamobile.com/
Cc: stable@vger.kernel.org # v4.4+
Link: https://lore.kernel.org/r/20190821074955.3925-2-alexander.shishkin@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/mdf/linux-fpga into char-misc-linus
Moritz writes:
FPGA Manager fixes for 5.3
A single fix for the altera-ps-spi driver that fixes the behavior when
the driver receives -EPROBE_DEFER when trying to obtain a GPIO desc.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: altera-ps-spi: Fix getting of optional confd gpio
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Currently the driver does not handle EPROBE_DEFER for the confd gpio.
Use devm_gpiod_get_optional() instead of devm_gpiod_get() and return
error codes from altera_ps_probe().
Fixes: 5692fae0742d ("fpga manager: Add altera-ps-spi driver for Altera FPGAs")
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
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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 that have been in linux-next this past
week for 5.3-rc7
They fix the usual xhci, syzbot reports, and other small issues that
have come up last week.
All have been in linux-next with no reported issues"
* tag 'usb-5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: cdc-wdm: fix race between write and disconnect due to flag abuse
usb: host: xhci: rcar: Fix typo in compatible string matching
usb: host: xhci-tegra: Set DMA mask correctly
USB: storage: ums-realtek: Whitelist auto-delink support
USB: storage: ums-realtek: Update module parameter description for auto_delink_en
usb: host: ohci: fix a race condition between shutdown and irq
usb: hcd: use managed device resources
typec: tcpm: fix a typo in the comparison of pdo_max_voltage
usb-storage: Add new JMS567 revision to unusual_devs
usb: chipidea: udc: don't do hardware access if gadget has stopped
usbtmc: more sanity checking for packet size
usb: udc: lpc32xx: silence fall-through warning
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In case of a disconnect an ongoing flush() has to be made fail.
Nevertheless we cannot be sure that any pending URB has already
finished, so although they will never succeed, they still must
not be touched.
The clean solution for this is to check for WDM_IN_USE
and WDM_DISCONNECTED in flush(). There is no point in ever
clearing WDM_IN_USE, as no further writes make sense.
The issue is as old as the driver.
Fixes: afba937e540c9 ("USB: CDC WDM driver")
Reported-by: syzbot+d232cca6ec42c2edb3fc@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190827103436.21143-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's spelled "renesas", not "renensas".
Due to this typo, RZ/G1M and RZ/G1N were not covered by the check.
Fixes: 2dc240a3308b ("usb: host: xhci: rcar: retire use of xhci_plat_type_is()")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20190827125112.12192-1-geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Falcon microcontroller that runs the XUSB firmware and which is
responsible for exposing the XHCI interface can address only 40 bits of
memory. Typically that's not a problem because Tegra devices don't have
enough system memory to exceed those 40 bits.
However, if the ARM SMMU is enable on Tegra186 and later, the addresses
passed to the XUSB controller can be anywhere in the 48-bit IOV address
space of the ARM SMMU. Since the DMA/IOMMU API starts allocating from
the top of the IOVA space, the Falcon microcontroller is not able to
load the firmware successfully.
Fix this by setting the DMA mask to 40 bits, which will force the DMA
API to map the buffer for the firmware to an IOVA that is addressable by
the Falcon.
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/1566989697-13049-1-git-send-email-nkristam@nvidia.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Auto-delink requires writing special registers to ums-realtek devices.
Unconditionally enable auto-delink may break newer devices.
So only enable auto-delink by default for the original three IDs,
0x0138, 0x0158 and 0x0159.
Realtek is working on a patch to properly support auto-delink for other
IDs.
BugLink: https://bugs.launchpad.net/bugs/1838886
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190827173450.13572-2-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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auto_delink_en
The option named "auto_delink_en" is a bit misleading, as setting it to
false doesn't really disable auto-delink but let auto-delink be firmware
controlled.
Update the description to reflect the real usage of this parameter.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190827173450.13572-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes an issue that the following error is
possible to happen when ohci hardware causes an interruption
and the system is shutting down at the same time.
[ 34.851754] usb 2-1: USB disconnect, device number 2
[ 35.166658] irq 156: nobody cared (try booting with the "irqpoll" option)
[ 35.173445] CPU: 0 PID: 22 Comm: kworker/0:1 Not tainted 5.3.0-rc5 #85
[ 35.179964] Hardware name: Renesas Salvator-X 2nd version board based on r8a77965 (DT)
[ 35.187886] Workqueue: usb_hub_wq hub_event
[ 35.192063] Call trace:
[ 35.194509] dump_backtrace+0x0/0x150
[ 35.198165] show_stack+0x14/0x20
[ 35.201475] dump_stack+0xa0/0xc4
[ 35.204785] __report_bad_irq+0x34/0xe8
[ 35.208614] note_interrupt+0x2cc/0x318
[ 35.212446] handle_irq_event_percpu+0x5c/0x88
[ 35.216883] handle_irq_event+0x48/0x78
[ 35.220712] handle_fasteoi_irq+0xb4/0x188
[ 35.224802] generic_handle_irq+0x24/0x38
[ 35.228804] __handle_domain_irq+0x5c/0xb0
[ 35.232893] gic_handle_irq+0x58/0xa8
[ 35.236548] el1_irq+0xb8/0x180
[ 35.239681] __do_softirq+0x94/0x23c
[ 35.243253] irq_exit+0xd0/0xd8
[ 35.246387] __handle_domain_irq+0x60/0xb0
[ 35.250475] gic_handle_irq+0x58/0xa8
[ 35.254130] el1_irq+0xb8/0x180
[ 35.257268] kernfs_find_ns+0x5c/0x120
[ 35.261010] kernfs_find_and_get_ns+0x3c/0x60
[ 35.265361] sysfs_unmerge_group+0x20/0x68
[ 35.269454] dpm_sysfs_remove+0x2c/0x68
[ 35.273284] device_del+0x80/0x370
[ 35.276683] hid_destroy_device+0x28/0x60
[ 35.280686] usbhid_disconnect+0x4c/0x80
[ 35.284602] usb_unbind_interface+0x6c/0x268
[ 35.288867] device_release_driver_internal+0xe4/0x1b0
[ 35.293998] device_release_driver+0x14/0x20
[ 35.298261] bus_remove_device+0x110/0x128
[ 35.302350] device_del+0x148/0x370
[ 35.305832] usb_disable_device+0x8c/0x1d0
[ 35.309921] usb_disconnect+0xc8/0x2d0
[ 35.313663] hub_event+0x6e0/0x1128
[ 35.317146] process_one_work+0x1e0/0x320
[ 35.321148] worker_thread+0x40/0x450
[ 35.324805] kthread+0x124/0x128
[ 35.328027] ret_from_fork+0x10/0x18
[ 35.331594] handlers:
[ 35.333862] [<0000000079300c1d>] usb_hcd_irq
[ 35.338126] [<0000000079300c1d>] usb_hcd_irq
[ 35.342389] Disabling IRQ #156
ohci_shutdown() disables all the interrupt and rh_state is set to
OHCI_RH_HALTED. In other hand, ohci_irq() is possible to enable
OHCI_INTR_SF and OHCI_INTR_MIE on ohci_irq(). Note that OHCI_INTR_SF
is possible to be set by start_ed_unlink() which is called:
ohci_irq()
-> process_done_list()
-> takeback_td()
-> start_ed_unlink()
So, ohci_irq() has the following condition, the issue happens by
&ohci->regs->intrenable = OHCI_INTR_MIE | OHCI_INTR_SF and
ohci->rh_state = OHCI_RH_HALTED:
/* interrupt for some other device? */
if (ints == 0 || unlikely(ohci->rh_state == OHCI_RH_HALTED))
return IRQ_NOTMINE;
To fix the issue, ohci_shutdown() holds the spin lock while disabling
the interruption and changing the rh_state flag to prevent reenable
the OHCI_INTR_MIE unexpectedly. Note that io_watchdog_func() also
calls the ohci_shutdown() and it already held the spin lock, so that
the patch makes a new function as _ohci_shutdown().
This patch is inspired by a Renesas R-Car Gen3 BSP patch
from Tho Vu.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/1566877910-6020-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using managed device resources in usb_hcd_pci_probe() allows devm usage for
resource subranges, such as the mmio resource for the platform device
created to control host/device mode mux, which is a xhci extended
capability, and sits inside the xhci mmio region.
If managed device resources are not used then "parent" resource
is released before subrange at driver removal as .remove callback is
called before the devres list of resources for this device is walked
and released.
This has been observed with the xhci extended capability driver causing a
use-after-free which is now fixed.
An additional nice benefit is that error handling on driver initialisation
is simplified much.
Signed-off-by: Carsten Schmid <carsten_schmid@mentor.com>
Tested-by: Carsten Schmid <carsten_schmid@mentor.com>
Reviewed-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Fixes: fa31b3cb2ae1 ("xhci: Add Intel extended cap / otg phy mux handling")
Cc: <stable@vger.kernel.org> # v4.19+
Link: https://lore.kernel.org/r/1566569488679.31808@mentor.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There appears to be a typo in the comparison of pdo_max_voltage[i]
with the previous value, currently it is checking against the
array pdo_min_voltage rather than pdo_max_voltage. I believe this
is a typo. Fix this.
Addresses-Coverity: ("Copy-paste error")
Fixes: 5007e1b5db73 ("typec: tcpm: Validate source and sink caps")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20190822135212.10195-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision 0x0117 suffers from an identical issue to earlier revisions,
therefore it should be added to the quirks list.
Signed-off-by: Henk van der Laan <opensource@henkvdlaan.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190816200847.21366-1-opensource@henkvdlaan.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After _gadget_stop_activity is executed, we can consider the hardware
operation for gadget has finished, and the udc can be stopped and enter
low power mode. So, any later hardware operations (from usb_ep_ops APIs
or usb_gadget_ops APIs) should be considered invalid, any deinitializatons
has been covered at _gadget_stop_activity.
I meet this problem when I plug out usb cable from PC using mass_storage
gadget, my callstack like: vbus interrupt->.vbus_session->
composite_disconnect ->pm_runtime_put_sync(&_gadget->dev),
the composite_disconnect will call fsg_disable, but fsg_disable calls
usb_ep_disable using async way, there are register accesses for
usb_ep_disable. So sometimes, I get system hang due to visit register
without clock, sometimes not.
The Linux Kernel USB maintainer Alan Stern suggests this kinds of solution.
See: http://marc.info/?l=linux-usb&m=138541769810983&w=2.
Cc: <stable@vger.kernel.org> #v4.9+
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/20190820020503.27080-2-peter.chen@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A malicious device can make the driver divide ny zero
with a nonsense maximum packet size.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190820092826.17694-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Silence the following fall-through warning by adding a break statement:
drivers/usb/gadget/udc/lpc32xx_udc.c:2230:3: warning: this statement may
fall through [-Wimplicit-fallthrough=]
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Link: https://lore.kernel.org/r/20190821021627.GA2679@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull networking fixes from David Miller:
1) Fix some length checks during OGM processing in batman-adv, from
Sven Eckelmann.
2) Fix regression that caused netfilter conntrack sysctls to not be
per-netns any more. From Florian Westphal.
3) Use after free in netpoll, from Feng Sun.
4) Guard destruction of pfifo_fast per-cpu qdisc stats with
qdisc_is_percpu_stats(), from Davide Caratti. Similar bug is fixed
in pfifo_fast_enqueue().
5) Fix memory leak in mld_del_delrec(), from Eric Dumazet.
6) Handle neigh events on internal ports correctly in nfp, from John
Hurley.
7) Clear SKB timestamp in NF flow table code so that it does not
confuse fq scheduler. From Florian Westphal.
8) taprio destroy can crash if it is invoked in a failure path of
taprio_init(), because the list head isn't setup properly yet and
the list del is unconditional. Perform the list add earlier to
address this. From Vladimir Oltean.
9) Make sure to reapply vlan filters on device up, in aquantia driver.
From Dmitry Bogdanov.
10) sgiseeq driver releases DMA memory using free_page() instead of
dma_free_attrs(). From Christophe JAILLET.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (58 commits)
net: seeq: Fix the function used to release some memory in an error handling path
enetc: Add missing call to 'pci_free_irq_vectors()' in probe and remove functions
net: bcmgenet: use ethtool_op_get_ts_info()
tc-testing: don't hardcode 'ip' in nsPlugin.py
net: dsa: microchip: add KSZ8563 compatibility string
dt-bindings: net: dsa: document additional Microchip KSZ8563 switch
net: aquantia: fix out of memory condition on rx side
net: aquantia: linkstate irq should be oneshot
net: aquantia: reapply vlan filters on up
net: aquantia: fix limit of vlan filters
net: aquantia: fix removal of vlan 0
net/sched: cbs: Set default link speed to 10 Mbps in cbs_set_port_rate
taprio: Set default link speed to 10 Mbps in taprio_set_picos_per_byte
taprio: Fix kernel panic in taprio_destroy
net: dsa: microchip: fill regmap_config name
rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2]
net: stmmac: dwmac-rk: Don't fail if phy regulator is absent
amd-xgbe: Fix error path in xgbe_mod_init()
netfilter: nft_meta_bridge: Fix get NFT_META_BRI_IIFVPROTO in network byteorder
mac80211: Correctly set noencrypt for PAE frames
...
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path
In commit 99cd149efe82 ("sgiseeq: replace use of dma_cache_wback_inv"),
a call to 'get_zeroed_page()' has been turned into a call to
'dma_alloc_coherent()'. Only the remove function has been updated to turn
the corresponding 'free_page()' into 'dma_free_attrs()'.
The error hndling path of the probe function has not been updated.
Fix it now.
Rename the corresponding label to something more in line.
Fixes: 99cd149efe82 ("sgiseeq: replace use of dma_cache_wback_inv")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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functions
Call to 'pci_free_irq_vectors()' are missing both in the error handling
path of the probe function, and in the remove function.
Add them.
Fixes: 19971f5ea0ab ("enetc: add PTP clock driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change enables the use of SW timestamping on the Raspberry Pi 4.
bcmgenet's transmit function bcmgenet_xmit() implements software
timestamping. However the SOF_TIMESTAMPING_TX_SOFTWARE capability was
missing and only SOF_TIMESTAMPING_RX_SOFTWARE was announced. By using
ethtool_ops bcmgenet_ethtool_ops() as get_ts_info(), the
SOF_TIMESTAMPING_TX_SOFTWARE capability is announced.
Similar to commit a8f5cb9e7991 ("smsc95xx: use ethtool_op_get_ts_info()")
Signed-off-by: Ryan M. Collins <rmc032@bucknell.edu>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is a 3-Port 10/100 Ethernet Switch with 1588v2 PTP.
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On embedded environments with hard memory limits it is a normal although
rare case when skb can't be allocated on rx part under high traffic.
In such OOM cases napi_complete_done() was not called.
So the napi object became in an invalid state like it is "scheduled".
Kernel do not re-schedules the poll of that napi object.
Consequently, kernel can not remove that object the system hangs on
`ifconfig down` waiting for a poll.
We are fixing this by gracefully closing napi poll routine with correct
invocation of napi_complete_done.
This was reproduced with artificially failing the allocation of skb to
simulate an "out of memory" error case and check that traffic does
not get stuck.
Fixes: 970a2e9864b0 ("net: ethernet: aquantia: Vector operations")
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Declaring threaded irq handler should also indicate the irq is
oneshot. It is oneshot indeed, because HW implements irq automasking
on trigger.
Not declaring this causes some kernel configurations to fail
on interface up, because request_threaded_irq returned an err code.
The issue was originally hidden on normal x86_64 configuration with
latest kernel, because depending on interrupt controller, irq driver
added ONESHOT flag on its own.
Issue was observed on older kernels (4.14) where no such logic exists.
Fixes: 4c83f170b3ac ("net: aquantia: link status irq handling")
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Reported-by: Michael Symolkin <Michael.Symolkin@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of device reconfiguration the driver may reset the device invisible
for other modules, vlan module in particular. So vlans will not be
removed&created and vlan filters will not be configured in the device.
The patch reapplies the vlan filters at device start.
Fixes: 7975d2aff5afb ("net: aquantia: add support of rx-vlan-filter offload")
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a limit condition of vlans on the interface before setting vlan
promiscuous mode
Fixes: 48dd73d08d4dd ("net: aquantia: fix vlans not working over bridged network")
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Due to absence of checking against the rx flow rule when vlan 0 is being
removed, the other rule could be removed instead of the rule with vlan 0
Fixes: 7975d2aff5afb ("net: aquantia: add support of rx-vlan-filter offload")
Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the register value width as the regmap_config name to prevent the
following error when the second and third regmap_configs are
initialized.
"debugfs: Directory '${bus-id}' with parent 'regmap' already present!"
Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2019-08-31
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix 32-bit zero-extension during constant blinding which
has been causing a regression on ppc64, from Naveen.
2) Fix a latency bug in nfp driver when updating stack index
register, from Jiong.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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NFP is using Local Memory to model stack. LM_addr could be used as base of
a 16 32-bit word region of Local Memory. Then, if the stack offset is
beyond the current region, the local index needs to be updated. The update
needs at least three cycles to take effect, therefore the sequence normally
looks like:
local_csr_wr[ActLMAddr3, gprB_5]
nop
nop
nop
If the local index switch happens on a narrow loads, then the instruction
preparing value to zero high 32-bit of the destination register could be
counted as one cycle, the sequence then could be something like:
local_csr_wr[ActLMAddr3, gprB_5]
nop
nop
immed[gprB_5, 0]
However, we have zero extension optimization that zeroing high 32-bit could
be eliminated, therefore above IMMED insn won't be available for which case
the first sequence needs to be generated.
Fixes: 0b4de1ff19bf ("nfp: bpf: eliminate zero extension code-gen")
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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The devicetree binding lists the phy phy as optional. As such, the
driver should not bail out if it can't find a regulator. Instead it
should just skip the remaining regulator related code and continue
on normally.
Skip the remainder of phy_power_on() if a regulator supply isn't
available. This also gets rid of the bogus return code.
Fixes: 2e12f536635f ("net: stmmac: dwmac-rk: Use standard devicetree property for phy regulator")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In xgbe_mod_init(), we should do cleanup if some error occurs
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: efbaa828330a ("amd-xgbe: Add support to handle device renaming")
Fixes: 47f164deab22 ("amd-xgbe: Add PCI device support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to use a different firmware for C0 versions of killer Qu NICs.
Add structures for them and handle them in the if block that detects
C0 revisions.
Additionally, instead of having an inclusive check for QnJ devices,
make the selection exclusive, so that switching to QnJ is the
exception, not the default. This prevents us from having to add all
the non-QnJ cards to an exclusion list. To do so, only go into the
QnJ block if the device has an RF ID type HR and HW revision QnJ.
Cc: stable@vger.kernel.org # 5.2
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/20190821171732.2266-1-luca@coelho.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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A similar workaround for the suspend/resume problem is needed for yet
another ASUS machines, P6X models. Like the previous fix, the BIOS
doesn't provide the standard DMI_SYS_* entry, so again DMI_BOARD_*
entries are used instead.
Reported-and-tested-by: SteveM <swm@swm1.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recent code changes to NFP allowed the offload of neighbour entries to FW
when the next hop device was an internal port. This allows for offload of
tunnel encap when the end-point IP address is applied to such a port.
Unfortunately, the neighbour event handler still rejects events that are
not associated with a repr dev and so the firmware neighbour table may get
out of sync for internal ports.
Fix this by allowing internal port neighbour events to be correctly
processed.
Fixes: 45756dfedab5 ("nfp: flower: allow tunnels to output to internal port")
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Internal port TC offload is implemented through user-space applications
(such as OvS) by adding filters at egress via TC clsact qdiscs. Indirect
block offload support in the NFP driver accepts both ingress qdisc binds
and egress binds if the device is an internal port. However, clsact sends
bind notification for both ingress and egress block binds which can lead
to the driver registering multiple callbacks and receiving multiple
notifications of new filters.
Fix this by rejecting ingress block bind callbacks when the port is
internal and only adding filter callbacks for egress binds.
Fixes: 4d12ba42787b ("nfp: flower: allow offloading of matches on 'internal' ports")
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove unnecessary use of netif_napi_del. This also avoids to call
napi_disable() after netif_napi_del().
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 0ee1f4734967af8321ecebaf9c74221ace34f2d5.
The commit 0ee1f4734967 ("r8152: napi hangup fix after
disconnect") adds a check about RTL8152_UNPLUG to determine
if calling napi_disable() is invalid in rtl8152_close(),
when rtl8152_disconnect() is called. This avoids to use
napi_disable() after calling netif_napi_del().
Howver, commit ffa9fec30ca0 ("r8152: set RTL8152_UNPLUG
only for real disconnection") causes that RTL8152_UNPLUG
is not always set when calling rtl8152_disconnect().
Therefore, I have to revert commit 0ee1f4734967 ("r8152:
napi hangup fix after disconnect"), first. And submit
another patch to fix it.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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