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932,869 commits

Author SHA1 Message Date
Yonghong Song
83250f2b69 selftests/bpf: Change llvm flag -mcpu=probe to -mcpu=v3
The latest llvm supports cpu version v3, which is cpu version v1
plus some additional 64bit jmp insns and 32bit jmp insn support.

In selftests/bpf Makefile, the llvm flag -mcpu=probe did runtime
probe into the host system. Depending on compilation environments,
it is possible that runtime probe may fail, e.g., due to
memlock issue. This will cause generated code with cpu version v1.
This may cause confusion as the same compiler and the same C code
generates different byte codes in different environment.

Let us change the llvm flag -mcpu=probe to -mcpu=v3 so the
generated code will be the same regardless of the compilation
environment.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200219004236.2291125-1-yhs@fb.com
2020-02-19 15:15:07 -08:00
Alexei Starovoitov
03aa39558e Merge branch 'bpf_read_branch_records'
Daniel Xu says:

====================
Branch records are a CPU feature that can be configured to record
certain branches that are taken during code execution. This data is
particularly interesting for profile guided optimizations. perf has had
branch record support for a while but the data collection can be a bit
coarse grained.

We (Facebook) have seen in experiments that associating metadata with
branch records can improve results (after postprocessing). We generally
use bpf_probe_read_*() to get metadata out of userspace. That's why bpf
support for branch records is useful.

Aside from this particular use case, having branch data available to bpf
progs can be useful to get stack traces out of userspace applications
that omit frame pointers.

Changes in v8:
- Use globals instead of perf buffer
- Call test_perf_branches__detach() before destroying skeleton
- Fix typo in docs

Changes in v7:
- Const-ify and static-ify local var
- Documentation formatting

Changes in v6:
- Move #ifdef a little to avoid unused variable warnings on !x86
- Test negative condition in selftest (-EINVAL on improperly configured
  perf event)
- Skip positive condition selftest on setups that don't support branch
  records

Changes in v5:
- Rename bpf_perf_prog_read_branches() -> bpf_read_branch_records()
- Rename BPF_F_GET_BR_SIZE -> BPF_F_GET_BRANCH_RECORDS_SIZE
- Squash tools/ bpf.h sync into selftest commit

Changes in v4:
- Add BPF_F_GET_BR_SIZE flag
- Return -ENOENT on unsupported architectures
- Only accept initialized memory in helper
- Check buffer size is multiple of sizeof(struct perf_branch_entry)
- Use bpf skeleton in selftest
- Add commit messages
- Spelling and formatting

Changes in v3:
- Document filling unused buffer with zero
- Formatting fixes
- Rebase

Changes in v2:
- Change to a bpf helper instead of context access
- Avoid mentioning Intel specific things
====================

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2020-02-19 15:01:12 -08:00
Daniel Xu
67306f84ca selftests/bpf: Add bpf_read_branch_records() selftest
Add a selftest to test:

* default bpf_read_branch_records() behavior
* BPF_F_GET_BRANCH_RECORDS_SIZE flag behavior
* error path on non branch record perf events
* using helper to write to stack
* using helper to write to global

On host with hardware counter support:

    # ./test_progs -t perf_branches
    #27/1 perf_branches_hw:OK
    #27/2 perf_branches_no_hw:OK
    #27 perf_branches:OK
    Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED

On host without hardware counter support (VM):

    # ./test_progs -t perf_branches
    #27/1 perf_branches_hw:OK
    #27/2 perf_branches_no_hw:OK
    #27 perf_branches:OK
    Summary: 1/2 PASSED, 1 SKIPPED, 0 FAILED

Also sync tools/include/uapi/linux/bpf.h.

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200218030432.4600-3-dxu@dxuuu.xyz
2020-02-19 15:01:07 -08:00
Heidi Fahim
be886ba90c kunit: run kunit_tool from any directory
Implemented small fix so that the script changes work directories to the
root of the linux kernel source tree from which kunit.py is run. This
enables the user to run kunit from any working directory. Originally
considered using os.path.join but this is more error prone as we would
have to find all file path usages and modify them accordingly. Using
os.chdir ensures that the entire script is run within /linux.

Signed-off-by: Heidi Fahim <heidifahim@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-02-19 15:58:07 -07:00
Heidi Fahim
dde54b9492 kunit: test: Improve error messages for kunit_tool when kunitconfig is invalid
Previous error message for invalid kunitconfig was vague. Added to it so
that it lists invalid fields and prompts for them to be removed.  Added
validate_config function returning whether or not this kconfig is valid.

Signed-off-by: Heidi Fahim <heidifahim@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-02-19 15:54:29 -07:00
Daniel Xu
fff7b64355 bpf: Add bpf_read_branch_records() helper
Branch records are a CPU feature that can be configured to record
certain branches that are taken during code execution. This data is
particularly interesting for profile guided optimizations. perf has had
branch record support for a while but the data collection can be a bit
coarse grained.

We (Facebook) have seen in experiments that associating metadata with
branch records can improve results (after postprocessing). We generally
use bpf_probe_read_*() to get metadata out of userspace. That's why bpf
support for branch records is useful.

Aside from this particular use case, having branch data available to bpf
progs can be useful to get stack traces out of userspace applications
that omit frame pointers.

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200218030432.4600-2-dxu@dxuuu.xyz
2020-02-19 14:37:36 -08:00
Chris Wilson
c014e07616 drm/i915/gt: Do not attempt to reprogram IA/ring frequencies for dgfx
For dgfx, we do not need to reconfigure the IA/ring frequencies of the
main processors as they are distinct devices.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200219130119.1457693-1-chris@chris-wilson.co.uk
2020-02-19 22:27:10 +00:00
Ben Dooks (Codethink)
99fe61b277 e1000e: fix missing cpu_to_le64 on buffer_addr
The following warning suggests there is a missing cpu_to_le64() in
the e1000_flush_tx_ring() function (it is also the behaviour
elsewhere in the driver to do cpu_to_le64() on the buffer_addr
when setting it)

drivers/net/ethernet/intel/e1000e/netdev.c:3813:30: warning: incorrect type in assignment (different base types)
drivers/net/ethernet/intel/e1000e/netdev.c:3813:30:    expected restricted __le64 [usertype] buffer_addr
drivers/net/ethernet/intel/e1000e/netdev.c:3813:30:    got unsigned long long [usertype] dma

Signed-off-by: Ben Dooks (Codethink) <ben.dooks@codethink.co.uk>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 14:16:17 -08:00
Bruce Allan
2fbfa9668b ice: fix define for E822 backplane device
This product's name has changed; update the macro identifier accordingly.

Signed-off-by: Bruce Allan <bruce.w.allan@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>
2020-02-19 13:39:33 -08:00
Bruce Allan
e36aeec0f4 ice: add support for E823 devices
Add E823 device ids and convert conditional expressions to a more
appropriate switch statement.

Signed-off-by: Bruce Allan <bruce.w.allan@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>
2020-02-19 13:37:38 -08:00
Bruce Allan
195fb97766 ice: add additional E810 device id
Add support for device id 0x159b.

Signed-off-by: Bruce Allan <bruce.w.allan@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>
2020-02-19 13:28:58 -08:00
Jesse Brandeburg
af23635a53 ice: add backslash-n to strings
There were several strings found without line feeds, fix
them by adding a line feed, as is typical.  Without this
lotsofmessagescanbejumbledtogether.

This patch has known checkpatch warnings from long lines
for the NL_* messages, because checkpatch doesn't know
how to ignore them.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 13:26:45 -08:00
Tomi Valkeinen
ae232e45ac backlight: add led-backlight driver
This patch adds a led-backlight driver (led_bl), which is similar to
pwm_bl except the driver uses a LED class driver to adjust the
brightness in the HW. Multiple LEDs can be used for a single backlight.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-02-19 13:15:39 -08:00
Jacob Keller
7124507291 ice: increase PF reset wait timeout to 300 milliseconds
Increase the maximum time that the driver will wait for a PF reset from
200 milliseconds to 300 milliseconds, to account for possibility of
a slightly longer than expected PF reset.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 13:14:37 -08:00
Krzysztof Kazimierczak
5fa23e0b23 ice: Support XDP UMEM wake up mechanism
Add support for a new AF_XDP feature that has already been introduced in
upstreamed Intel NIC drivers. If a user space application signals that
it might sleep using the new bind flag XDP_USE_NEED_WAKEUP, the driver
will then set this flag if it has no more buffers on the NIC Rx ring and
yield to the application. For Tx, it will set the flag if it has no
outstanding Tx completion interrupts and return to the application.

Signed-off-by: Krzysztof Kazimierczak <krzysztof.kazimierczak@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 13:12:21 -08:00
Dave Ertman
31c5f7f3f4 ice: SW DCB, report correct max TC value
lldpad is using the value reported in the DCB config for
max_tc as the max allowed number of TCs, not the current
max.  ICE driver was reporting it as current maximum TC.

Change DCB_NL function to report maximum TC allowed by
this device.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 13:09:20 -08:00
Avinash Dayanand
27d9be98ed ice: Report correct DCB mode
Add code to detect if DCB is in IEEE or CEE mode. Without this the code
will always report as IEEE mode which is incorrect and confuses the
user.

Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com>
Signed-off-by: Scott Register <scottx.register@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 13:06:58 -08:00
Avinash JD
c8608b5071 ice: Add DCBNL ops required to configure ETS in CEE for SW DCB
Couple of DCBNL ops are required for configuring ETS in SW DCB CEE mode. If
these functions are not added, it'll break the CEE functionality.

Signed-off-by: Avinash JD <avinash.dayanand@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 13:04:41 -08:00
Brett Creeley
36be2baa09 ice: Always clear the QRXFLXP_CNTXT register for VF Rx queues
Currently when the PF reduces its number of channels via ethtool and
then VFs are created there may be stale data for some of the Rx queues
belonging to VFs. This happens when a VF reuses an Rx queue that was
previously used by the PF. Specifically, the QRXFLXP_CNTXT register
will have incorrect values. Fix this by always clearing the relevant
values in the QRXFLXP_CNTXT register for VF queues.

Signed-off-by: Brett Creeley <brett.creeley@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>
2020-02-19 13:01:51 -08:00
Dan Nowlin
a6892c96fc ice: Fix for TCAM entry management
Order intermediate VSIG list correct in order to correctly match existing
VSIG lists.

When overriding pre-existing TCAM entries, properly delete the existing
entry and remove it from the change/update list.

Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 12:59:37 -08:00
Bart Van Assche
fb3063d319 RDMA/rxe: Fix configuration of atomic queue pair attributes
From the comment above the definition of the roundup_pow_of_two() macro:

     The result is undefined when n == 0.

Hence only pass positive values to roundup_pow_of_two(). This patch fixes
the following UBSAN complaint:

  UBSAN: Undefined behaviour in ./include/linux/log2.h:57:13
  shift exponent 64 is too large for 64-bit type 'long unsigned int'
  Call Trace:
   dump_stack+0xa5/0xe6
   ubsan_epilogue+0x9/0x26
   __ubsan_handle_shift_out_of_bounds.cold+0x4c/0xf9
   rxe_qp_from_attr.cold+0x37/0x5d [rdma_rxe]
   rxe_modify_qp+0x59/0x70 [rdma_rxe]
   _ib_modify_qp+0x5aa/0x7c0 [ib_core]
   ib_modify_qp+0x3b/0x50 [ib_core]
   cma_modify_qp_rtr+0x234/0x260 [rdma_cm]
   __rdma_accept+0x1a7/0x650 [rdma_cm]
   nvmet_rdma_cm_handler+0x1286/0x14cd [nvmet_rdma]
   cma_cm_event_handler+0x6b/0x330 [rdma_cm]
   cma_ib_req_handler+0xe60/0x22d0 [rdma_cm]
   cm_process_work+0x30/0x140 [ib_cm]
   cm_req_handler+0x11f4/0x1cd0 [ib_cm]
   cm_work_handler+0xb8/0x344e [ib_cm]
   process_one_work+0x569/0xb60
   worker_thread+0x7a/0x5d0
   kthread+0x1e6/0x210
   ret_from_fork+0x24/0x30

Link: https://lore.kernel.org/r/20200217205714.26937-1-bvanassche@acm.org
Fixes: 8700e3e7c4 ("Soft RoCE driver")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-02-19 16:56:57 -04:00
Paul Greenwalt
9d5c5a5290 ice: update malicious driver detection event handling
Update the PF VFs MDD event message to rate limit once per second and
report the total number Rx|Tx event count. Add support to print pending
MDD events that occur during the rate limit. The use of net_ratelimit did
not allow for per VF Rx|Tx granularity.

Additional PF MDD log messages are guarded by netif_msg_[rx|tx]_err().

Since VF RX MDD events disable the queue, add ethtool private flag
mdd-auto-reset-vf to configure VF reset to re-enable the queue.

Disable anti-spoof detection interrupt to prevent spurious events
during a function reset.

To avoid race condition do not make PF MDD register reads conditional
on global MDD result.

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>
2020-02-19 12:56:34 -08:00
Selvin Xavier
0a01623b74 RDMA/bnxt_re: Use rdma_read_gid_hw_context to retrieve HW gid index
bnxt_re HW maintains a GID table with only a single entry for the two
duplicate GID entries (v1 and v2). Driver needs to map stack gid index to
the HW table gid index.  Use the new API rdma_read_gid_hw_context () to
retrieve the HW GID context to get the HW table index.

Link: https://lore.kernel.org/r/1582107594-5180-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-02-19 16:54:25 -04:00
Selvin Xavier
779820c2e1 RDMA/core: Add helper function to retrieve driver gid context from gid attr
Adding a helper function to retrieve the driver gid context from the gid
attr.

Link: https://lore.kernel.org/r/1582107594-5180-2-git-send-email-selvin.xavier@broadcom.com
Suggested-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-02-19 16:54:25 -04:00
Olivier Moysan
95e9e205fc
ASoC: dt-bindings: stm32: convert i2s to json-schema
Convert the STM32 I2S bindings to DT schema format using json-schema.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200207120345.24672-1-olivier.moysan@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-19 20:49:47 +00:00
Nathan Chancellor
4ca501d6aa RDMA/core: Fix use of logical OR in get_new_pps
Clang warns:

../drivers/infiniband/core/security.c:351:41: warning: converting the
enum constant to a boolean [-Wint-in-bool-context]
        if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) {
                                               ^
1 warning generated.

A bitwise OR should have been used instead.

Fixes: 1dd017882e ("RDMA/core: Fix protection fault in get_pkey_idx_qp_list")
Link: https://lore.kernel.org/r/20200217204318.13609-1-natechancellor@gmail.com
Link: https://github.com/ClangBuiltLinux/linux/issues/889
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-02-19 16:42:12 -04:00
Jason Gunthorpe
167b95ec88 RDMA/ucma: Use refcount_t for the ctx->ref
Don't use an atomic as a refcount.

Link: https://lore.kernel.org/r/20200218191657.GA29724@ziepe.ca
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-02-19 16:41:00 -04:00
Jerome Brunet
33901f5b9b
ASoC: meson: add t9015 internal DAC driver
Add the codec driver of the internal DAC found on Amlogic gxl, g12a and
sm1 family.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20200219173503.1112561-3-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-19 20:20:07 +00:00
Jerome Brunet
5c36abcd26
ASoC: meson: add t9015 internal codec binding documentation
Add the DT binding documention of the internal DAC found in the Amlogic
gxl, g12a and sm1 SoC family.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20200219173503.1112561-2-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-19 20:20:06 +00:00
Avinash Dayanand
a29a912d44 ice: Validate config for SW DCB map
Validate the inputs for SW DCB config received either via lldptool or pcap
file. And don't apply DCB for bad bandwidth inputs. Without this patch, any
config having bad inputs will cause the loss of link making PF unusable
even after driver reload. Recoverable only via system reboot.

Signed-off-by: Avinash Dayanand <avinash.dayanand@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>
2020-02-19 12:12:27 -08:00
Bastian Germann
1c27e9ae0f dt-bindings: Add vendor prefix for Linutronix
Add a vendor prefix for Linutronix GmbH.
Website: https://linutronix.de/

Co-developed-by: Benedikt Spranger <b.spranger@linutronix.de>
Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Signed-off-by: Bastian Germann <bage@linutronix.de>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-19 14:05:59 -06:00
Mark Rutland
9eb05a5583 MAINTAINERS: remove myself from DT bindings entry
For quite a while Rob has been handling DT binding maintenance, and I
haven't had the time to review bindings outside of a few targetted
cases. Given that, I think being listed in MAINTAINERS is more
misleading than helpful.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-19 14:05:54 -06:00
Benjamin Gaignard
824674b59f dt-bindings: net: can: Convert M_CAN to json-schema
Convert M_CAN bindings to json-schema

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-19 14:05:53 -06:00
Benjamin Gaignard
2f384801a4 dt-bindinsg: net: can: Convert can-transceiver to json-schema
Convert can-transceiver property to json-schema

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-19 14:05:53 -06:00
Lei Wang
1088750d78 EDAC: Add EDAC driver for DMC520
The driver supports error detection and correction on devices with an
ARM DMC-520 memory controller.

Signed-off-by: Lei Wang <leiwang_git@outlook.com>
Signed-off-by: Shiping Ji <shiping.linux@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: James Morse <james.morse@arm.com>
Link: https://lkml.kernel.org/r/83b48c70-dc06-d0d4-cae9-a2187fca628b@gmail.com
2020-02-19 21:00:27 +01:00
Lei Wang
db6c122b8f dt-bindings: edac: Dmc-520.yaml
Add the device tree bindings for the EDAC driver dmc520_edac.

Signed-off-by: Lei Wang <leiwang_git@outlook.com>
Signed-off-by: Shiping Ji <shiping.linux@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: James Morse <james.morse@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lkml.kernel.org/r/5354a9c3-5b5a-486a-9d19-fa9be169faef@gmail.com
2020-02-19 21:00:20 +01:00
Brett Creeley
c54d209c78 ice: Wait for VF to be reset/ready before configuration
The configuration/command below is failing when the VF in the xml
file is already bound to the host iavf driver.

pci_0000_af_0_0.xml:

<interface type='hostdev' managed='yes'>
<source>
<address type='pci' domain='0x0000' bus='0xaf' slot='0x0' function='0x0'/>
</source>
<mac address='00🇩🇪ad:00:11:01'/>
</interface>

> virsh attach-device domain_name pci_0000_af_0_0.xml
error: Failed to attach device from pci_0000_af_0_0.xml
error: Cannot set interface MAC/vlanid to 00🇩🇪ad:00:11:01/0 for
	ifname ens1f1 vf 0: Device or resource busy

This is failing because the VF has not been completely removed/reset
after being unbound (via the virsh command above) from the host iavf
driver and ice_set_vf_mac() checks if the VF is disabled before waiting
for the reset to finish.

Fix this by waiting for the VF remove/reset process to happen before
checking if the VF is disabled. Also, since many functions for VF
administration on the PF were more or less calling the same 3 functions
(ice_wait_on_vf_reset(), ice_is_vf_disabled(), and ice_check_vf_init())
move these into the helper function ice_check_vf_ready_for_cfg(). Then
call this function in any flow that attempts to configure/query a VF
from the PF.

Lastly, increase the maximum wait time in ice_wait_on_vf_reset() to
800ms, and modify/add the #define(s) that determine the wait time.
This was done for robustness because in rare/stress cases VF removal can
take a max of ~800ms and previously the wait was a max of ~300ms.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 11:50:41 -08:00
Michal Swiatkowski
8a55c08d3b ice: Don't tell the OS that link is going down
Remove code that tell the OS that link is going down when user
change flow control via ethtool. When link is up it isn't certain
that link goes down after 0x0605 aq command. If link doesn't go
down, OS thinks that link is down, but physical link is up. To
reset this state user have to take interface down and up.

If link goes down after 0x0605 command, FW send information
about that and after that driver tells the OS that the link goes
down. So this code in ethtool is unnecessary.

Signed-off-by: Michal Swiatkowski <michal.swiatkowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 11:50:41 -08:00
Brett Creeley
840f8ad0aa ice: Don't reject odd values of usecs set by user
Currently if a user sets an odd [tx|rx]-usecs value through ethtool,
the request is denied because the hardware is set to have an ITR
granularity of 2us. This caused poor customer experience. Fix this by
aligning to a register allowed value, which results in rounding down.
Also, print a once per ring container type message to be clear about
our intentions.

Also, change the ITR_TO_REG define to be the bitwise and of the ITR
setting and the ICE_ITR_MASK. This makes the purpose of ITR_TO_REG more
obvious.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 11:50:41 -08:00
Dragos Tarcatu
242c46c023
ASoC: topology: Fix memleak in soc_tplg_manifest_load()
In case of ABI version mismatch, _manifest needs to be freed as
it is just a copy of the original topology manifest. However, if
a driver manifest handler is defined, that would get executed and
the cleanup is never reached. Fix that by getting the return status
of manifest() instead of returning directly.

Fixes: 583958fa2e ("ASoC: topology: Make manifest backward compatible from ABI v4")
Signed-off-by: Dragos Tarcatu <dragos_tarcatu@mentor.com>
Link: https://lore.kernel.org/r/20200207185325.22320-3-dragos_tarcatu@mentor.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-19 19:48:43 +00:00
Dragos Tarcatu
2b2d5c4db7
ASoC: topology: Fix memleak in soc_tplg_link_elems_load()
If soc_tplg_link_config() fails, _link needs to be freed in case of
topology ABI version mismatch. However the current code is returning
directly and ends up leaking memory in this case.
This patch fixes that.

Fixes: 593d9e52f9 ("ASoC: topology: Add support to configure existing physical DAI links")
Signed-off-by: Dragos Tarcatu <dragos_tarcatu@mentor.com>
Link: https://lore.kernel.org/r/20200207185325.22320-2-dragos_tarcatu@mentor.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-02-19 19:48:42 +00:00
Howard Chung
eed467b517 Bluetooth: fix passkey uninitialized when used
This patch fix the issue: warning:variable 'passkey' is uninitialized
when used here

Link: https://groups.google.com/forum/#!topic/clang-built-linux/kyRKCjRsGoU

Fixes: cee5f20fec ("Bluetooth: secure bluetooth stack from bluedump attack")
Reported-by: kbuild test robot <lkp@intel.com>
Suggested-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Howard Chung <howardchung@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-02-19 20:35:46 +01:00
Luiz Augusto von Dentz
1c22d3cda8 Bluetooth: RFCOMM: Use MTU auto tune logic
This reuse the L2CAP MTU auto logic to select the MTU used for RFCOMM
channels, this should increase the maximum from 1013 to 1021 when 3-DH5
is supported.

Since it does not set an L2CAP MTU we no longer need a debugfs so that
is removed.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-02-19 20:31:45 +01:00
Dan Williams
1d0827b75e mm/memremap_pages: Kill unused __devm_memremap_pages()
Kill this definition that was introduced in commit 41e94a8513 ("add
devm_memremap_pages") add never used.

Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/158041476158.3889308.4221100673554151124.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-02-19 11:21:41 -08:00
David S. Miller
cb704c66c4 Merge branch 'tcp_v6_gso_csum_prep'
Heiner Kallweit says:

====================
net: core: add helper tcp_v6_gso_csum_prep

Several network drivers for chips that support TSO6 share the same code
for preparing the TCP header, so let's factor it out to a helper.
A difference is that some drivers reset the payload_len whilst others
don't do this. This value is overwritten by TSO anyway, therefore
the new helper resets it in general.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-19 11:21:00 -08:00
Heiner Kallweit
091c9f82e5 vmxnet3: use new helper tcp_v6_gso_csum_prep
Use new helper tcp_v6_gso_csum_prep in additional network drivers.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-19 11:21:00 -08:00
Heiner Kallweit
2344120dd7 r8152: use new helper tcp_v6_gso_csum_prep
Use new helper tcp_v6_gso_csum_prep in additional network drivers.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-19 11:21:00 -08:00
Heiner Kallweit
1eb2c576ef hv_netvsc: use new helper tcp_v6_gso_csum_prep
Use new helper tcp_v6_gso_csum_prep in additional network drivers.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-19 11:20:59 -08:00
Heiner Kallweit
06d4f968ac net: socionext: use new helper tcp_v6_gso_csum_prep
Use new helper tcp_v6_gso_csum_prep in additional network drivers.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-19 11:20:59 -08:00
Heiner Kallweit
8518b3bcd4 net: qcom/emac: use new helper tcp_v6_gso_csum_prep
Use new helper tcp_v6_gso_csum_prep in additional network drivers.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-19 11:20:59 -08:00