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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- several smaller cleanups
- a fix for a Xen guest regression with CPU offlining
- a small fix in the xen pvcalls backend driver
- an update of MAINTAINERS
* tag 'for-linus-5.8b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
MAINTAINERS: Update PARAVIRT_OPS_INTERFACE and VMWARE_HYPERVISOR_INTERFACE
xen/pci: Get rid of verbose_request and use dev_dbg() instead
xenbus: Use dev_printk() when possible
xen-pciback: Use dev_printk() when possible
xen: enable BALLOON_MEMORY_HOTPLUG by default
xen: expand BALLOON_MEMORY_HOTPLUG description
xen/pvcalls: Make pvcalls_back_global static
xen/cpuhotplug: Fix initial CPU offlining for PV(H) guests
xen-platform: Constify dev_pm_ops
xen/pvcalls-back: test for errors when calling backend_connect()
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Pickable ranges mapping function never used range min selector. Thus
existing drivers broke when proper linear_ranges functionality was taken
in use. Fix this for now just by ignoring the minimum selector.
Fixes: 60ab7f4153b6 ("regulator: use linear_ranges helper")
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/20200612090225.GA3243@localhost.localdomain
Signed-off-by: Mark Brown <broonie@kernel.org>
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Commit 99f75ce66619 ("regulator: da9063: fix suspend") converted
the regulators to use a common (corrected) suspend bit setting but
one of regulators (LDO9) slipped through the crack.
This means that the original problem was not fixed for LDO9 and
also leads to a warning found by the test robot.
da9063-regulator.c:515:3: warning: initialized field overwritten
Fix this by converting that regulator too like the others.
Fixes: 99f75ce66619 ("regulator: da9063: fix suspend")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Martin Fuzzey <martin.fuzzey@flowbird.group>
Link: https://lore.kernel.org/r/1591959073-16792-1-git-send-email-martin.fuzzey@flowbird.group
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull the Kernel Concurrency Sanitizer from Thomas Gleixner:
"The Kernel Concurrency Sanitizer (KCSAN) is a dynamic race detector,
which relies on compile-time instrumentation, and uses a
watchpoint-based sampling approach to detect races.
The feature was under development for quite some time and has already
found legitimate bugs.
Unfortunately it comes with a limitation, which was only understood
late in the development cycle:
It requires an up to date CLANG-11 compiler
CLANG-11 is not yet released (scheduled for June), but it's the only
compiler today which handles the kernel requirements and especially
the annotations of functions to exclude them from KCSAN
instrumentation correctly.
These annotations really need to work so that low level entry code and
especially int3 text poke handling can be completely isolated.
A detailed discussion of the requirements and compiler issues can be
found here:
https://lore.kernel.org/lkml/CANpmjNMTsY_8241bS7=XAfqvZHFLrVEkv_uM4aDUWE_kh3Rvbw@mail.gmail.com/
We came to the conclusion that trying to work around compiler
limitations and bugs again would end up in a major trainwreck, so
requiring a working compiler seemed to be the best choice.
For Continous Integration purposes the compiler restriction is
manageable and that's where most xxSAN reports come from.
For a change this limitation might make GCC people actually look at
their bugs. Some issues with CSAN in GCC are 7 years old and one has
been 'fixed' 3 years ago with a half baken solution which 'solved' the
reported issue but not the underlying problem.
The KCSAN developers also ponder to use a GCC plugin to become
independent, but that's not something which will show up in a few
days.
Blocking KCSAN until wide spread compiler support is available is not
a really good alternative because the continuous growth of lockless
optimizations in the kernel demands proper tooling support"
* tag 'locking-kcsan-2020-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (76 commits)
compiler_types.h, kasan: Use __SANITIZE_ADDRESS__ instead of CONFIG_KASAN to decide inlining
compiler.h: Move function attributes to compiler_types.h
compiler.h: Avoid nested statement expression in data_race()
compiler.h: Remove data_race() and unnecessary checks from {READ,WRITE}_ONCE()
kcsan: Update Documentation to change supported compilers
kcsan: Remove 'noinline' from __no_kcsan_or_inline
kcsan: Pass option tsan-instrument-read-before-write to Clang
kcsan: Support distinguishing volatile accesses
kcsan: Restrict supported compilers
kcsan: Avoid inserting __tsan_func_entry/exit if possible
ubsan, kcsan: Don't combine sanitizer with kcov on clang
objtool, kcsan: Add kcsan_disable_current() and kcsan_enable_current_nowarn()
kcsan: Add __kcsan_{enable,disable}_current() variants
checkpatch: Warn about data_race() without comment
kcsan: Use GFP_ATOMIC under spin lock
Improve KCSAN documentation a bit
kcsan: Make reporting aware of KCSAN tests
kcsan: Fix function matching in report
kcsan: Change data_race() to no longer require marking racing accesses
kcsan: Move kcsan_{disable,enable}_current() to kcsan-checks.h
...
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Only QMAP endpoints should be configured to find a pad size field
within packet headers. They are found in the first byte of the QMAP
header (and the hardware fills only the 6 bits in that byte that
constitute the pad_len field).
The RMNet driver assumes the pad_len field is valid for received
packets, so we want to ensure the pad_len field is filled in that
case. That driver also assumes the length in the QMAP header
includes the pad bytes.
The RMNet driver does *not* pad the packets it sends, so the pad_len
field can be ignored.
Fix ipa_endpoint_init_hdr_ext() so it only marks the pad field
offset valid for QMAP RX endpoints, and in that case indicates
that the length field in the header includes the pad bytes.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The upper two nibbles of the sequencer type were not used for
SDM845, and were assumed to be 0. But for SC7180 they are used, and
so they must be programmed by ipa_endpoint_init_seq(). Fix this bug.
IPA_SEQ_PKT_PROCESS_NO_DEC_NO_UCP_DMAP doesn't have a descriptive
comment, so add one.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The endpoint id assigned to the modem LAN RX endpoint for the SC7180 SoC
is incorrect. The erroneous value might have been copied from SDM845 and
never updated. The correct endpoint id to use for this SoC is 11.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The way the mask value is programmed for QMAP RX endpoints was based
on some wrong assumptions about the way metadata containing the QMAP
mux_id value is formatted. The metadata value supplied by the
modem is *not* in QMAP format, and in fact contains the mux_id we
want in its (big endian) low-order byte. That byte must be written
by the IPA into offset 1 of the QMAP header it inserts before the
received packet.
QMAP TX endpoints *do* use a QMAP header as the metadata sent with
each packet. The modem assumes this, and based on that assumes the
mux_id is in the second byte. To match those assumptions we must
program the modem TX (QMAP) endpoint HDR register to indicate the
metadata will be found at offset 0 in the message header.
The previous configuration managed to work, but it was not working
correctly. This patch fixes a bug whose symptom was receipt of
messages containing the wrong QMAP mux_id.
In fixing this, get rid of ipa_rmnet_mux_id_metadata_mask(), which
was more or less defined so there was a separate place to explain
what was happening as we generated the mask value. Instead, put a
longer description of how this works above ipa_endpoint_init_hdr(),
and define the metadata mask to use as a simple constant.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Print the PCIe link information for our device.
Fixes: 77f972a7077d ("ionic: remove support for mgmt device")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2020-06-11
This series contains fixes to the iavf driver.
Brett fixes the supported link speeds in the iavf driver, which was only
able to report speeds that the i40e driver supported and was missing the
speeds supported by the ice driver. In addition, fix how 2.5 and 5.0
GbE speeds are reported.
Alek fixes a enum comparison that was comparing two different enums that
may have different values, so update the comparison to use matching
enums.
Paul increases the time to complete a reset to allow for 128 VFs to
complete a reset.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull updates from Andrew Morton:
"A few fixes and stragglers.
Subsystems affected by this patch series: mm/memory-failure, ocfs2,
lib/lzo, misc"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
amdgpu: a NULL ->mm does not mean a thread is a kthread
lib/lzo: fix ambiguous encoding bug in lzo-rle
ocfs2: fix build failure when TCP/IP is disabled
mm/memory-failure: send SIGBUS(BUS_MCEERR_AR) only to current thread
mm/memory-failure: prioritize prctl(PR_MCE_KILL) over vm.memory_failure_early_kill
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Use the proper API instead.
Fixes: 70539bd795002 ("drm/amd: Update MEC HQD loading code for KFD")
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: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.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/20200404094101.672954-2-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull block fixes from Jens Axboe:
"Some followup fixes for this merge window. In particular:
- Seqcount write missing preemption disable for stats (Ahmed)
- blktrace fixes (Chaitanya)
- Redundant initializations (Colin)
- Various small NVMe fixes (Chaitanya, Christoph, Daniel, Max,
Niklas, Rikard)
- loop flag bug regression fix (Martijn)
- blk-mq tagging fixes (Christoph, Ming)"
* tag 'block-5.8-2020-06-11' of git://git.kernel.dk/linux-block:
umem: remove redundant initialization of variable ret
pktcdvd: remove redundant initialization of variable ret
nvmet: fail outstanding host posted AEN req
nvme-pci: use simple suspend when a HMB is enabled
nvme-fc: don't call nvme_cleanup_cmd() for AENs
nvmet-tcp: constify nvmet_tcp_ops
nvme-tcp: constify nvme_tcp_mq_ops and nvme_tcp_admin_mq_ops
nvme: do not call del_gendisk() on a disk that was never added
blk-mq: fix blk_mq_all_tag_iter
blk-mq: split out a __blk_mq_get_driver_tag helper
blktrace: fix endianness for blk_log_remap()
blktrace: fix endianness in get_pdu_int()
blktrace: use errno instead of bi_status
block: nr_sects_write(): Disable preemption on seqcount write
block: remove the error argument to the block_bio_complete tracepoint
loop: Fix wrong masking of status flags
block/bio-integrity: don't free 'buf' if bio_integrity_add_page() failed
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We can't leave "counter" set to an error pointer. Otherwise either it
will lead to an error pointer dereference later in the function or it
leads to an error pointer dereference when we call mlx5_fc_destroy().
Fixes: 07bab9502641d ("net/mlx5: E-Switch, Refactor eswitch ingress acl codes")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Clang warns:
drivers/net/ethernet/mellanox/mlx5/core/main.c:1278:6: warning: variable
'err' is used uninitialized whenever 'if' condition is true
[-Wsometimes-uninitialized]
if (!priv->dbg_root) {
^~~~~~~~~~~~~~~
drivers/net/ethernet/mellanox/mlx5/core/main.c:1303:9: note:
uninitialized use occurs here
return err;
^~~
drivers/net/ethernet/mellanox/mlx5/core/main.c:1278:2: note: remove the
'if' if its condition is always false
if (!priv->dbg_root) {
^~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/mellanox/mlx5/core/main.c:1259:9: note: initialize
the variable 'err' to silence this warning
int err;
^
= 0
1 warning generated.
The check of returned value of debugfs_create_dir() is wrong because
by the design debugfs failures should never fail the driver and the
check itself was wrong too. The kernel compiled without CONFIG_DEBUG_FS
will return ERR_PTR(-ENODEV) and not NULL as expected.
Fixes: 11f3b84d7068 ("net/mlx5: Split mdev init and pci init")
Link: https://github.com/ClangBuiltLinux/linux/issues/1042
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Set the ipv6 word fields according to the hardware definitions.
Fixes: ac991b48d43c ("net/mlx5e: CT: Offload established flows")
Signed-off-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Current below problems exists.
1. devlink device is registered by mlx5_load_one(). But it is
not unregistered by mlx5_unload_one(). This is incorrect.
2. Above issue leads to,
When mlx5 PCI device is removed, currently devlink device is
unregistered before devlink ports are unregistered in below ladder
diagram.
remove_one()
mlx5_devlink_unregister()
[..]
devlink_unregister() <- ports are still registered!
mlx5_unload_one()
mlx5_unregister_device()
mlx5_remove_device()
mlx5e_remove()
mlx5e_devlink_port_unregister()
devlink_port_unregister()
3. Condition checking for registering and unregister device are not
symmetric either in these routines.
Hence, fix the sequence by having load and unload routines symmetric
and in right order.
i.e.
(a) register devlink device followed by registering devlink ports
(b) unregister devlink ports followed by devlink device
Do this based on boot and cleanup flags instead of different
conditions.
Fixes: c6acd629eec7 ("net/mlx5e: Add support for devlink-port in non-representors mode")
Fixes: f60f315d339e ("net/mlx5e: Register devlink ports for physical link, PCI PF, VFs")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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While unregistration is in progress, user might be reloading the
interface.
This can race with unregistration in below flow which uses the
resources which are getting disabled by reload flow.
Hence, disable the devlink reloading first when removing the device.
CPU0 CPU1
---- ----
local_pci_remove() devlink_mutex
remove_one() devlink_nl_cmd_reload()
mlx5_unregister_device() devlink_reload()
ops->reload_down()
mlx5_unload_one()
Fixes: 4383cfcc65e7 ("net/mlx5: Add devlink reload")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Changing RX hash function requires rearranging of RQT internal indexes,
the user isn't exposed to such changes and these changes do not affect
the user configured indirection table. Rebuild RQ table on hfunc change.
Fixes: bdfc028de1b3 ("net/mlx5e: Fix ethtool RX hash func configuration change")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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After an XSK is closed, the relevant structures in the channel are not
zeroed. If an XSK is opened the second time on the same channel without
recreating channels, the stray values in the structures will lead to
incorrect operation of queues, which causes CQE errors, and the new
socket doesn't work at all.
This patch fixes the issue by explicitly zeroing XSK-related structs in
the channel on XSK close. Note that those structs are zeroed on channel
creation, and usually a configuration change (XDP program is set)
happens on XSK open, which leads to recreating channels, so typical XSK
usecases don't suffer from this issue. However, if XSKs are opened and
closed on the same channel without removing the XDP program, this bug
reproduces.
Fixes: db05815b36cb ("net/mlx5e: Add XSK zero-copy support")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Variable "in" in dr_create_rc_qp() is allocated with kvzalloc() and
should be freed with kvfree().
Fixes: 297cccebdc5a ("net/mlx5: DR, Expose an internal API to issue RDMA operations")
Cc: stable@vger.kernel.org
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Currently, in case of fatal error during mlx5_load_one(), we cannot
enter error state until mlx5_load_one() is finished, what can take
several minutes until commands will get timeouts, because these commands
can't be processed due to the fatal error.
Fix it by setting dev->state as MLX5_DEVICE_STATE_INTERNAL_ERROR before
requesting the lock.
Fixes: c1d4d2e92ad6 ("net/mlx5: Avoid calling sleeping function by the health poll thread")
Signed-off-by: Shay Drory <shayd@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In case there is a work in the health WQ when we teardown the driver,
in driver load error flow, the health work will try to read dev->iseg,
which was already unmap in mlx5_pci_close().
Fix it by draining the health workqueue first thing in mlx5_pci_close().
Trace of the error:
BUG: unable to handle page fault for address: ffffb5b141c18014
PF: supervisor read access in kernel mode
PF: error_code(0x0000) - not-present page
PGD 1fe95d067 P4D 1fe95d067 PUD 1fe95e067 PMD 1b7823067 PTE 0
Oops: 0000 [#1] SMP PTI
CPU: 3 PID: 6755 Comm: kworker/u128:2 Not tainted 5.2.0-net-next-mlx5-hv_stats-over-last-worked-hyperv #1
Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090006 04/28/2016
Workqueue: mlx5_healtha050:00:02.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]
RIP: 0010:ioread32be+0x30/0x40
Code: 00 77 27 48 81 ff 00 00 01 00 76 07 0f b7 d7 ed 0f c8 c3 55 48 c7 c6 3b ee d5 9f 48 89 e5 e8 67 fc ff ff b8 ff ff ff ff 5d c3 <8b> 07 0f c8 c3 66 66 2e 0f 1f 84 00 00 00 00 00 48 81 fe ff ff 03
RSP: 0018:ffffb5b14c56fd78 EFLAGS: 00010292
RAX: ffffb5b141c18000 RBX: ffff8e9f78a801c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffff8e9f7ecd7628 RDI: ffffb5b141c18014
RBP: ffffb5b14c56fd90 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8e9f372a2c30 R11: ffff8e9f87f4bc40 R12: ffff8e9f372a1fc0
R13: ffff8e9f78a80000 R14: ffffffffc07136a0 R15: ffff8e9f78ae6f20
FS: 0000000000000000(0000) GS:ffff8e9f7ecc0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffb5b141c18014 CR3: 00000001c8f82006 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
? mlx5_health_try_recover+0x4d/0x270 [mlx5_core]
mlx5_fw_fatal_reporter_recover+0x16/0x20 [mlx5_core]
devlink_health_reporter_recover+0x1c/0x50
devlink_health_report+0xfb/0x240
mlx5_fw_fatal_reporter_err_work+0x65/0xd0 [mlx5_core]
process_one_work+0x1fb/0x4e0
? process_one_work+0x16b/0x4e0
worker_thread+0x4f/0x3d0
kthread+0x10d/0x140
? process_one_work+0x4e0/0x4e0
? kthread_cancel_delayed_work_sync+0x20/0x20
ret_from_fork+0x1f/0x30
Modules linked in: nfsv3 rpcsec_gss_krb5 nfsv4 nfs fscache 8021q garp mrp stp llc ipmi_devintf ipmi_msghandler rpcrdma rdma_ucm ib_iser rdma_cm ib_umad iw_cm ib_ipoib libiscsi scsi_transport_iscsi ib_cm mlx5_ib ib_uverbs ib_core mlx5_core sb_edac crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 mlxfw crypto_simd cryptd glue_helper input_leds hyperv_fb intel_rapl_perf joydev serio_raw pci_hyperv pci_hyperv_mini mac_hid hv_balloon nfsd auth_rpcgss nfs_acl lockd grace sunrpc sch_fq_codel ip_tables x_tables autofs4 hv_utils hid_generic hv_storvsc ptp hid_hyperv hid hv_netvsc hyperv_keyboard pps_core scsi_transport_fc psmouse hv_vmbus i2c_piix4 floppy pata_acpi
CR2: ffffb5b141c18014
---[ end trace b12c5503157cad24 ]---
RIP: 0010:ioread32be+0x30/0x40
Code: 00 77 27 48 81 ff 00 00 01 00 76 07 0f b7 d7 ed 0f c8 c3 55 48 c7 c6 3b ee d5 9f 48 89 e5 e8 67 fc ff ff b8 ff ff ff ff 5d c3 <8b> 07 0f c8 c3 66 66 2e 0f 1f 84 00 00 00 00 00 48 81 fe ff ff 03
RSP: 0018:ffffb5b14c56fd78 EFLAGS: 00010292
RAX: ffffb5b141c18000 RBX: ffff8e9f78a801c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffff8e9f7ecd7628 RDI: ffffb5b141c18014
RBP: ffffb5b14c56fd90 R08: 0000000000000001 R09: 0000000000000000
R10: ffff8e9f372a2c30 R11: ffff8e9f87f4bc40 R12: ffff8e9f372a1fc0
R13: ffff8e9f78a80000 R14: ffffffffc07136a0 R15: ffff8e9f78ae6f20
FS: 0000000000000000(0000) GS:ffff8e9f7ecc0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffb5b141c18014 CR3: 00000001c8f82006 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:38
in_atomic(): 0, irqs_disabled(): 1, pid: 6755, name: kworker/u128:2
INFO: lockdep is turned off.
CPU: 3 PID: 6755 Comm: kworker/u128:2 Tainted: G D 5.2.0-net-next-mlx5-hv_stats-over-last-worked-hyperv #1
Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090006 04/28/2016
Workqueue: mlx5_healtha050:00:02.0 mlx5_fw_fatal_reporter_err_work [mlx5_core]
Call Trace:
dump_stack+0x63/0x88
___might_sleep+0x10a/0x130
__might_sleep+0x4a/0x80
exit_signals+0x33/0x230
? blocking_notifier_call_chain+0x16/0x20
do_exit+0xb1/0xc30
? kthread+0x10d/0x140
? process_one_work+0x4e0/0x4e0
Fixes: 52c368dc3da7 ("net/mlx5: Move health and page alloc init to mdev_init")
Signed-off-by: Shay Drory <shayd@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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With an increased number of VFs, it's possible to encounter the following
issue during reset.
iavf b8d4:00:02.0: Hardware reset detected
iavf b8d4:00:02.0: Reset never finished (0)
iavf b8d4:00:02.0: Reset task did not complete, VF disabled
Increase the reset complete wait count to allow for 128 VFs to complete
reset.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Commit 4ae4916b5643 ("i40e: fix 'Unknown bps' in dmesg for 2.5Gb/5Gb
speeds") added the ability for the PF to report 2.5 and 5Gb speeds,
however, the iavf driver does not recognize those speeds as the values were
not added there. Add the proper enums and values so that iavf can properly
deal with those speeds.
Fixes: 4ae4916b5643 ("i40e: fix 'Unknown bps' in dmesg for 2.5Gb/5Gb speeds")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Witold Fijalkowski <witoldx.fijalkowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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adapter->link_speed has type enum virtchnl_link_speed but our comparisons
are against enum iavf_aq_link_speed. Though they are, currently, the same
values, change the comparison to the matching enum virtchnl_link_speed
since that may not always be the case.
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Link speeds are communicated over virtchnl using an enum
virtchnl_link_speed. Currently, the highest link speed is 40Gbps which
leaves us unable to reflect some speeds that an ice VF is capable of.
This causes link speed to be misreported on the iavf driver.
Allow for communicating link speeds using Mbps so that the proper speed can
be reported for an ice VF. Moving away from the enum allows us to
communicate future speed changes without requiring a new enum to be added.
In order to support communicating link speeds over virtchnl in Mbps the
following functionality was added:
- Added u32 link_speed_mbps in the iavf_adapter structure.
- Added the macro ADV_LINK_SUPPORT(_a) to determine if the VF
driver supports communicating link speeds in Mbps.
- Added the function iavf_get_vpe_link_status() to fill the
correct link_status in the event_data union based on the
ADV_LINK_SUPPORT(_a) macro.
- Added the function iavf_set_adapter_link_speed_from_vpe()
to determine whether or not to fill the u32 link_speed_mbps or
enum virtchnl_link_speed link_speed field in the iavf_adapter
structure based on the ADV_LINK_SUPPORT(_a) macro.
- Do not free vf_res in iavf_init_get_resources() as vf_res will be
accessed in iavf_get_link_ksettings(); memset to 0 instead. This
memory is subsequently freed in iavf_remove().
Fixes: 7c710869d64e ("ice: Add handlers for VF netdevice operations")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Sergey Nemov <sergey.nemov@intel.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Merge some more updates from Andrew Morton:
- various hotfixes and minor things
- hch's use_mm/unuse_mm clearnups
Subsystems affected by this patch series: mm/hugetlb, scripts, kcov,
lib, nilfs, checkpatch, lib, mm/debug, ocfs2, lib, misc.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kernel: set USER_DS in kthread_use_mm
kernel: better document the use_mm/unuse_mm API contract
kernel: move use_mm/unuse_mm to kthread.c
kernel: move use_mm/unuse_mm to kthread.c
stacktrace: cleanup inconsistent variable type
lib: test get_count_order/long in test_bitops.c
mm: add comments on pglist_data zones
ocfs2: fix spelling mistake and grammar
mm/debug_vm_pgtable: fix kernel crash by checking for THP support
lib: fix bitmap_parse() on 64-bit big endian archs
checkpatch: correct check for kernel parameters doc
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
lib/lz4/lz4_decompress.c: document deliberate use of `&'
kcov: check kcov_softirq in kcov_remote_stop()
scripts/spelling: add a few more typos
khugepaged: selftests: fix timeout condition in wait_for_scan()
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When we want to use float point operation on Linux
we need to use within special kernel protection
(`kernel_fpu_{begin,end}()`.), otherwise the kernel
can clobber userspace FPU register state. For detecting
these issues we use a tool named objtool (with -Ffa
flags) to highlight the FPU problems, all warnings can
be summed up as follows:
./tools/objtool/objtool check -Ffa
drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.o
[..] dc/dsc/rc_calc.o: warning: objtool: get_qp_set()+0x2f8:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/rc_calc.o: warning: objtool: dsc_roundf()+0x5:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/rc_calc.o: warning: objtool: dsc_ceil()+0x5:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/rc_calc.o: warning: objtool: get_ofs_set()+0x3eb:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/rc_calc.o: warning: objtool: calc_rc_params()+0x3c:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/dc_dsc.o: warning: objtool:
get_dsc_bandwidth_range.isra.0()+0x8d:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/dc_dsc.o: warning: objtool: setup_dsc_config()+0x2ef:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/rc_calc_dpi.o: warning: objtool:copy_pps_fields()+0xbb:
FPU instruction outside of kernel_fpu_{begin,end}()
[..] dc/dsc/rc_calc_dpi.o: warning: objtool:
dscc_compute_dsc_parameters()+0x7b:
FPU instruction outside of kernel_fpu_{begin,end}()
This commit fixes the above issues by rework DSC as described:
1. Isolate all FPU operations in a single file;
2. Use FPU flags only in the file that handles FPU operations;
3. Isolate all functions that require float point operation in static
functions;
4. Add a mid-layer function that does not use any float point operation,
and that could be safely invoked in other parts of the code.
5. Keep float point operation under DC_FP_{START/END} macro.
CC: Christian König <christian.koenig@amd.com>
CC: Alexander Deucher <Alexander.Deucher@amd.com>
CC: Peter Zijlstra <peterz@infradead.org>
CC: Tony Cheng <tony.cheng@amd.com>
CC: Harry Wentland <hwentlan@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Reviewed-by: Mikita Lipski <Mikita.Lipski@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Initializes Powertune data for a specific Hawaii card by fixing what
looks like a typo in the code. The device ID 66B1 is not a supported
device ID for this driver, and is not mentioned elsewhere. 67B1 is a
valid device ID, and is a Hawaii Pro GPU.
I have tested on my R9 390 which has device ID 67B1, and it works
fine without problems.
Signed-off-by: Sandeep Raghuraman <sandy.8925@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- Kconfig select statements are now sorted alphanumerically
- first-level interrupts are now handled via a full irqchip driver
- CPU hotplug is fixed
- vDSO calls now use the common vDSO infrastructure
* tag 'riscv-for-linus-5.8-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: set the permission of vdso_data to read-only
riscv: use vDSO common flow to reduce the latency of the time-related functions
riscv: fix build warning of missing prototypes
RISC-V: Don't mark init section as non-executable
RISC-V: Force select RISCV_INTC for CONFIG_RISCV
RISC-V: Remove do_IRQ() function
clocksource/drivers/timer-riscv: Use per-CPU timer interrupt
irqchip: RISC-V per-HART local interrupt controller driver
RISC-V: Rename and move plic_find_hart_id() to arch directory
RISC-V: self-contained IPI handling routine
RISC-V: Sort select statements alphanumerically
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"arm64 fixes that came in during the merge window.
There will probably be more to come, but it doesn't seem like it's
worth me sitting on these in the meantime.
- Fix SCS debug check to report max stack usage in bytes as advertised
- Fix typo: CONFIG_FTRACE_WITH_REGS => CONFIG_DYNAMIC_FTRACE_WITH_REGS
- Fix incorrect mask in HiSilicon L3C perf PMU driver
- Fix compat vDSO compilation under some toolchain configurations
- Fix false UBSAN warning from ACPI IORT parsing code
- Fix booting under bootloaders that ignore TEXT_OFFSET
- Annotate debug initcall function with '__init'"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: warn on incorrect placement of the kernel by the bootloader
arm64: acpi: fix UBSAN warning
arm64: vdso32: add CONFIG_THUMB2_COMPAT_VDSO
drivers/perf: hisi: Fix wrong value for all counters enable
arm64: ftrace: Change CONFIG_FTRACE_WITH_REGS to CONFIG_DYNAMIC_FTRACE_WITH_REGS
arm64: debug: mark a function as __init to save some memory
scs: Report SCS usage in bytes rather than number of entries
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We no longer support the mgmt device in the ionic driver,
so remove the device id and related code.
Fixes: b3f064e9746d ("ionic: add support for device id 0x1004")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
"qcom:
- new controller driver for IPCC
- reorg the of_device data
- add support for ipq6018 platform
spreadtrum:
- new sprd controller driver
imx:
- implement suspend/resume PM support
misc:
- make pcc driver struct static
- fix return value in imx_mu_scu
- disable clock before bailout in imx probe
- remove duplicate error mssg in zynqmp probe
- fix header size in imx.scu
- check for null instead of is-err in zynqmp"
* tag 'mailbox-v5.8' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: qcom: Add ipq6018 apcs compatible
mailbox: qcom: Add clock driver name in apcs mailbox driver data
dt-bindings: mailbox: Add YAML schemas for QCOM APCS global block
mailbox: imx: ONLY IPC MU needs IRQF_NO_SUSPEND flag
mailbox: imx: Add runtime PM callback to handle MU clocks
mailbox: imx: Add context save/restore for suspend/resume
MAINTAINERS: Add entry for Qualcomm IPCC driver
mailbox: Add support for Qualcomm IPCC
dt-bindings: mailbox: Add devicetree binding for Qcom IPCC
mailbox: zynqmp-ipi: Fix NULL vs IS_ERR() check in zynqmp_ipi_mbox_probe()
mailbox: imx-mailbox: fix scu msg header size check
mailbox: sprd: Add Spreadtrum mailbox driver
dt-bindings: mailbox: Add the Spreadtrum mailbox documentation
mailbox: ZynqMP IPI: Delete an error message in zynqmp_ipi_probe()
mailbox: imx: Disable the clock on devm_mbox_controller_register() failure
mailbox: imx: Fix return in imx_mu_scu_xlate()
mailbox: imx: Support runtime PM
mailbox: pcc: make pcc_mbox_driver static
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A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "devm_kcalloc".
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull drm fixes from Dave Airlie:
"One sun4i fix and a connector hotplug race The ast fix is for a
regression in 5.6, and one of the i915 ones fixes an oops reported by
dhowells.
core:
- fix race in connectors sending hotplug
i915:
- Avoid use after free in cmdparser
- Avoid NULL dereference when probing all display encoders
- Fixup to module parameter type
sun4i:
- clock divider fix
ast:
- 24/32 bpp mode setting fix"
* tag 'drm-next-2020-06-11-1' of git://anongit.freedesktop.org/drm/drm:
drm/ast: fix missing break in switch statement for format->cpp[0] case 4
drm/sun4i: hdmi ddc clk: Fix size of m divider
drm/i915/display: Only query DP state of a DDI encoder
drm/i915/params: fix i915.reset module param type
drm/i915/gem: Mark the buffer pool as active for the cmdparser
drm/connector: notify userspace on hotplug after register complete
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Merge the state of the locking kcsan branch before the read/write_once()
and the atomics modifications got merged.
Squash the fallout of the rebase on top of the read/write once and atomic
fallback work into the merge. The history of the original branch is
preserved in tag locking-kcsan-2020-06-02.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"A number of fixes to the omap and nitrox drivers"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: cavium/nitrox - Fix 'nitrox_get_first_device()' when ndevlist is fully iterated
crypto: omap-sham - add proper load balancing support for multicore
crypto: omap-aes - prevent unregistering algorithms twice
crypto: omap-sham - fix very small data size handling
crypto: omap-sham - huge buffer access fixes
crypto: omap-crypto - fix userspace copied buffer access
crypto: omap-sham - force kernel driver usage for sha algos
crypto: omap-aes - avoid spamming console with self tests
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The Rockchip Video Decoder driver is expecting that the values in a
scaling list are in zig-zag order and applies the inverse scanning process
to get the values in matrix order.
Commit 0b0393d59eb4 ("media: uapi: h264: clarify expected
scaling_list_4x4/8x8 order") clarified that the values in the scaling list
should already be in matrix order.
Fix this by removing the reordering and change to use two memcpy.
Fixes: cd33c830448b ("media: rkvdec: Add the rkvdec driver")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Tested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
[hverkuil-cisco@xs4all.nl: rkvdec_scaling_matrix -> rkvdec_h264_scaling_list]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Wrong loop filter flag is unset when tiles enabled flag is not set,
this cause HEVC decoding issues with Rockchip Video Decoder.
Fix this by unsetting the loop filter across tiles enabled flag instead of
the pps loop filter across slices enabled flag when tiles are disabled.
Fixes: 256fa3920874 ("media: v4l: Add definitions for HEVC stateless decoding")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Commit 9495b7e92f716ab2bd6814fab5e97ab4a39adfdd ("driver core: platform:
Initialize dma_parms for platform devices") in v5.7-rc5 causes
vb2_dma_contig_clear_max_seg_size() to kfree memory that was not
allocated by vb2_dma_contig_set_max_seg_size().
The assumption in vb2_dma_contig_set_max_seg_size() seems to be that
dev->dma_parms is always NULL when the driver is probed, and the case
where dev->dma_parms has bee initialized by someone else than the driver
(by calling vb2_dma_contig_set_max_seg_size) will cause a failure.
All the current users of these functions are platform devices, which now
always have dma_parms set by the driver core. To fix the issue for v5.7,
make vb2_dma_contig_set_max_seg_size() return an error if dma_parms is
NULL to be on the safe side, and remove the kfree code from
vb2_dma_contig_clear_max_seg_size().
For v5.8 we should remove the two functions and move the
dma_set_max_seg_size() calls into the drivers.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fixes: 9495b7e92f71 ("driver core: platform: Initialize dma_parms for platform devices")
Cc: stable@vger.kernel.org
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Commit 9495b7e92f71 ("driver core: platform: Initialize dma_parms for
platform devices") in v5.7-rc5 added allocation of dma_parms structure to
all platform devices. Then vb2_dma_contig_set_max_seg_size() have been
changed not to allocate dma_parms structure and rely on the one allocated
by the device core. Lets allocate the needed structure also for the
devices created for the 2 MFC device memory ports.
Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
Fixes: 9495b7e92f71 ("driver core: platform: Initialize dma_parms for platform devices")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Recently, MEDIA_CEC_SUPPORT became indepedent of MEDIA_SUPPORT.
However, if MEDIA_SUPPORT is not enabled, MEDIA_SUPPORT_FILTER is not
defined, and MEDIA_CEC_SUPPORT is thus enabled by default, which is not
desirable.
Fix this by adding a dependency on MEDIA_CEC_SUPPORT to the default
configuration.
Fixes: 46d2a3b964ddbe63 ("media: place CEC menu before MEDIA_SUPPORT")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This allows the VE clocks and PLL_VE to be disabled most of the time.
A runtime PM reference is held while streaming.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Previously, the output format was programmed as part of the ioctl()
handler. However, this has two problems:
1) If there are multiple active streams with different output
formats, the hardware will use whichever format was set last
for both streams. Similarly, an ioctl() done in an inactive
context will wrongly affect other active contexts.
2) The registers are written while the device is not actively
streaming. To enable runtime PM tied to the streaming state,
all hardware access needs to be moved inside cedrus_device_run().
The call to cedrus_dst_format_set() is now placed just before the
codec-specific callback that programs the hardware.
Cc: <stable@vger.kernel.org>
Fixes: 50e761516f2b ("media: platform: Add Cedrus VPU decoder driver")
Suggested-by: Jernej Skrabec <jernej.skrabec@siol.net>
Suggested-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Tested-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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As there are several ways where the driver could possible
retrieve sensor data, make the prints clearer about what
was detected and from where.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Now that the EFI _DSM table is parsed by the driver, we don't
need a DMI match anymore for Asus Transform T101HA.
This reverts commit 0a76fd8e8d202dcaabc714850205d5d75c9b8271.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This reverts commit 0d64e9420583cbc3c4a3f949ebe38fd8f7769281.
As gmin_subdev_add() now takes the ACPI handle directly,
we can deprecate the code that were doing this inside each
I2C driver.
PS.: This also reverts commit c03496b3bd92 ("media: atomisp: add a notice about possible leak resources")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Instead of keep hardcoding device-specific tables, read them
directly from the ACPI BIOS, if available.
This method is know to work with Asus T101HA device. the
same table is also visible on EzPad devices. So, it seems
that at least some BIOSes use this method to pass data about
ISP2401-connected sensors.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The hive_isp_css_custom_host_hrt.h code, together
with atomisp_helper.h, provides an abstraction layer for
some functions inside atomisp_compat_css20.c and atomisp_cmd.c.
There's no good reason for that. In a matter of fact, after
removing the abstraction, the code looked a lot cleaner
and easier to understand.
So, get rid of them.
While here, get rid also of the udelay(1) abstraction code.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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