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The CRG(Clock and Reset Generator) block provides clock
and reset signals for other modules in hi3519 soc.
Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Change some arguments to constant type.
Export some hisilicon APIs to modules.
Signed-off-by: Jiancheng Xue <xuejiancheng@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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In most of hisilicon SOCs, reset controller and clock provider are
combined together as a block named CRG (Clock and Reset Generator).
This patch mainly implements the reset function.
Signed-off-by: Jiancheng Xue <xuejiancheng@hisilicon.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Existing drivers and examples are updated to use the
module_rpmsg_driver helper macro.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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This patch introduces the module_rpmsg_driver macro which is a
convenience macro for rpmsg driver modules similar to
module_platform_driver. It is intended to be used by drivers which
init/exit section does nothing but register/unregister the rpmsg driver.
By using this macro it is possible to eliminate a few lines of
boilerplate code per rpmsg driver.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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An rpmsg_driver does not need to set an owner, it will be populated by
the driver core.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Add register_rpmsg_driver helper macro that adds THIS_MODULE to
rpmsg_driver for the registering driver. We rename and modify
the existing register_rpmsg_driver to enable this.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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When sizeof is applied to a pointer typed expression, it gives
the size of the pointer. So, here do not use sizeof on pointer
type. Also, silent checkpatch.pl by using kmalloc_array over
kmalloc.
Note that this has no effect on runtime because 'parent_names'
is a pointer to a pointer.
Problem found using Coccinelle.
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"Fix bad inline asm constraint in create_zero_mask() from Anton
Blanchard"
* tag 'powerpc-4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Fix bad inline asm constraint in create_zero_mask()
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This patch adds the CLK_SET_RATE_PARENT flag for the crypto core and
ahb blocks. Without this flag, clk_set_rate can fail for certain
frequency requests.
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Fixes: 3966fab8b6ab ("clk: qcom: Add MSM8916 Global Clock Controller support")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-next
Pull i.MX clk updates from Shawn Guo:
- Update clk-pllv3 driver to get it return correct frequency for
Ethernet PLL on i.MX7D.
- Correct ahb clock mux settings for i.MX7D per latest hardware
document.
* tag 'imx-clk-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
clk: imx7d: fix ahb clock mux 1
clk: imx: return correct frequency for Ethernet PLL
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Pull drm fixes from Dave Airlie:
"Fixes for i915, amdgpu/radeon and imx.
The IMX fix is for an autoloading regression found in Fedora. The
radeon fixes, are the same fix to amdgpu/radeon to avoid a hardware
lockup in some circumstances with a bad mode, and a double free bug I
took a few hours chasing down the other morning.
The i915 fixes are across the board, all stable material, and fixing
some hangs and suspend/resume issues, along with a live status
regressions"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading
drm/amdgpu: make sure vertical front porch is at least 1
drm/radeon: make sure vertical front porch is at least 1
drm/amdgpu: set metadata pointer to NULL after freeing.
drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW
drm/i915: Fake HDMI live status
drm/i915: Fix eDP low vswing for Broadwell
drm/i915/ddi: Fix eDP VDD handling during booting and suspend/resume
drm/i915: Fix system resume if PCI device remained enabled
drm/i915: Avoid stalling on pending flips for legacy cursor updates
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Failure to initialize this flag to 0 by default can result in
stack junk filling the clk_init_data structure and weird things
happen. Joachim noticed that the critical clk feature started
triggering for these clks causing boot failures, when it really
shouldn't have happened:
BUG: scheduling while atomic: swapper/0/0x00000002
CPU: 0 PID: 0 Comm: swapper Not tainted
4.6.0-rc6-next-20160505-00001-g5c8320450d1c #826
Hardware name: NXP LPC18xx/43xx (Device Tree)
[<2800be81>] (unwind_backtrace) from [<2800b22f>] (show_stack+0xb/0xc)
[<2800b22f>] (show_stack) from [<2801ea21>] (__schedule_bug+0x2d/0x44)
[<2801ea21>] (__schedule_bug) from [<281dc937>] (__schedule+0x3b/0x268)
[<281dc937>] (__schedule) from [<281dcbbb>] (schedule+0x57/0x64)
[<281dcbbb>] (schedule) from [<281de8ef>] (schedule_timeout+0xfb/0x120)
[<281de8ef>] (schedule_timeout) from [<28030fcd>] (msleep+0xf/0x12)
[<28030fcd>] (msleep) from [<28165a6d>] (clk_creg_32k_prepare+0x1f/0x24)
[<28165a6d>] (clk_creg_32k_prepare) from [<281620d5>]
(clk_core_prepare+0x1d/0x36)
[<281620d5>] (clk_core_prepare) from [<2816340b>] (clk_register+0x22f/0x318)
[<2816340b>] (clk_register) from [<282b06c9>] (lpc18xx_creg_clk_init+0x55/0x84)
[<282b06c9>] (lpc18xx_creg_clk_init) from [<282b0149>] (of_clk_init+0xc1/0x12c)
[<282b0149>] (of_clk_init) from [<282a665d>] (time_init+0x15/0x20)
[<282a665d>] (time_init) from [<282a457d>] (start_kernel+0x169/0x274)
[<282a457d>] (start_kernel) from [<28008025>] (0x28008025)
bad: scheduling from the idle thread!
CPU: 0 PID: 0 Comm: swapper Tainted: G W
4.6.0-rc6-next-20160505-00001-g5c8320450d1c #826
Fix this by initializing the flags member to 0.
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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The ARC SDP I2S clock can be programmed using a
specific PLL.
This patch has the goal of adding a clock driver
that programs this PLL.
At this moment the rate values are hardcoded in
a table but in the future it would be ideal to
use a function which determines the PLL values
given the desired rate.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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'spi/fix/pxa2xx' and 'spi/fix/ti-qspi' into spi-linus
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I had relied on the kbuild robot for cross build coverage, however it
only builds alpha_defconfig. Switch from HPAGE_SIZE to PMD_SIZE, which
is more widely defined.
Fixes: 658922e57b84 ("libnvdimm, pfn: fix memmap reservation sizing")
Cc: <stable@vger.kernel.org>
Reported-by: Guenter Roeck <guenter@roeck-us.net>
Tested-by: Guenter Roeck <guenter@roeck-us.net>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Just dereference match->of_node once instead of using match->of_node.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Stop the palmas regulator driver from imagining that the allocations
will always succeed. Since regulator dt nodes are optional in nature and
can be described in downstream drivers via platform data, continue to
maintain code flow as prior when of node is not found.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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pdata->reg_init[idx]
Converting dt to platform data logic involves picking up information
that is unique per regulator, however we can improve readability of
the code by allocating and referencing pdata->reg_init[idx] once in
the loop.
While at it, use sizeof(*pointer) when allocating pointer. This allows
for structure name changes with minimal code change.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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ddata->palmas_matches[idx]
Converting dt to platform data logic involves picking up information
that is unique per regulator, however we can improve readability of
the code by dereferencing ddata->palmas_matches[idx] once in the loop.
While at it fix reuse of generic palmas_matches common variable
while reporting error for a specific regulator (which may be from
65917/palmas list).
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
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With the newly introduced helper functions the skb pulling is hidden
in the checksumming function - and undone before returning to the
caller.
The IGMP and MLD query parsing functions in the bridge still
assumed that the skb is pointing to the beginning of the IGMP/MLD
message while it is now kept at the beginning of the IPv4/6 header.
If there is a querier somewhere else, then this either causes
the multicast snooping to stay disabled even though it could be
enabled. Or, if we have the querier enabled too, then this can
create unnecessary IGMP / MLD query messages on the link.
Fixing this by taking the offset between IP and IGMP/MLD header into
account, too.
Fixes: 9afd85c9e455 ("net: Export IGMP/MLD message validation code")
Reported-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Skylake adjusts some register locations, but otherwise follows the
existing model quite closely. I was able to verify that the 'ce_count'
increments when 'bad dimms' are used. The accounting of 'ce_count' and
'ue_count' is the primary functionality of interest for us. Tested on
Intel(R) Xeon(R) CPU E3-1260L v5 @ 2.90GHz.
Signed-off-by: Jason Baron <jbaron@akamai.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1462547927-22679-1-git-send-email-jbaron@akamai.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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This patch makes two simple changes to function gfs2_remove_from_journal.
First, it removes the parameter that specifies the transaction.
Since it's always passed in as current->journal_info, we might as well
set that in the function rather than passing it in. Second, it changes
the meta parameter to use an enum to make the code more clear.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
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To reduce the size of builtin-trace.c.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-vb8dpy7bptkf219q5c25ulfp@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To reduce the size of builtin-trace.c.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-jt293541hv9od7gqw6lilioh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To reduce the size of builtin-trace.c.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-qecqxwwtreio6eaatfv58yq5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Add debug output of raw counter values per CPU when perf stat -v is
specified, together with their cpu numbers. This is very useful to
debug problems with per core counters, where we can normally only see
aggregated values.
v2: Make it depend on -vv, not -v
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1461787251-6702-12-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Update the export-to-postgresql.py to support the newly introduced
callchain export.
callchains are added into the existing call_paths table and can now
be associated with samples when the "callpaths" commandline option
is used with the script.
Ex.:
$ perf script -s export-to-postgresql.py example_db all callchains
Includes the following changes to enable callchain export via the python export
APIs:
- Add the "callchains" commandline option, which is used to enable
callchain export by setting the perf_db_export_callchains global
- Add perf_db_export_callchains checks for call_path table creation
and population.
- Add call_path_id to samples_table to conform with the new API
example usage and output using a small test app:
test_app.c:
volatile int x = 0;
void inc_x_loop()
{
int i;
for(i=0; i<100000000; i++)
x++;
}
void a()
{
inc_x_loop();
}
void b()
{
inc_x_loop();
}
int main()
{
a();
b();
return 0;
}
example usage:
$ gcc -g -O0 test_app.c
$ perf record --call-graph=dwarf ./a.out
[ perf record: Woken up 77 times to write data ]
[ perf record: Captured and wrote 19.373 MB perf.data (2404 samples) ]
$ perf script -s scripts/python/export-to-postgresql.py
example_db all callchains
$ psql example_db
example_db=#
SELECT
(SELECT name FROM symbols WHERE id = cps.symbol_id) as symbol,
(SELECT name FROM symbols WHERE id =
(SELECT symbol_id from call_paths where id = cps.parent_id))
as parent_symbol,
sum(period) as event_count
FROM samples join call_paths as cps on call_path_id = cps.id
GROUP BY cps.id,evsel_id
ORDER BY event_count DESC
LIMIT 5;
symbol | parent_symbol | event_count
------------------+--------------------------+-------------
inc_x_loop | a | 734250982
inc_x_loop | b | 731028057
unknown | unknown | 1335858
task_tick_fair | scheduler_tick | 1238842
update_wall_time | tick_do_update_jiffies64 | 650373
(5 rows)
The above data shows total "self time" in cycles for each call path that was
sampled. It is intended to demonstrate how it accounts separately for the two
ways to reach the "inc_x_loop" function(via "a" and "b"). Recursive common
table expressions can be used as well to get cumulative time spent in a
function as well, but that is beyond the scope of this basic example.
Signed-off-by: Chris Phlipot <cphlipot0@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1461831551-12213-7-git-send-email-cphlipot0@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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This change allows python scripts to be able to utilize the recent
changes to the db export api allowing the export of call_paths derived
from sampled callchains. These call paths are also now associated with
the samples from which they were derived.
- This feature is enabled by setting "perf_db_export_callchains" to true
- When enabled, samples that have callchain information will have the
callchains exported via call_path_table
- The call_path_id field is added to sample_table to enable association of
samples with the corresponding callchain stored in the call paths
table. A call_path_id of 0 will be exported if there is no
corresponding callchain.
- When "perf_db_export_callchains" and "perf_db_export_calls" are both
set to True, the call path root data structure will be shared. This
prevents duplicating of data and call path ids that would result from
building two separate call path trees in memory.
- The call_return_processor structure definition was relocated to the header
file to make its contents visible to db-export.c. This enables the
sharing of call path trees between the two features, as mentioned
above.
This change is visible to python scripts using the python db export api.
The change is backwards compatible with scripts written against the
previous API, assuming that the scripts model the sample_table function
after the one in export-to-postgresql.py script by allowing for
additional arguments to be added in the future. ie. using *x as the
final argument of the sample_table function.
Signed-off-by: Chris Phlipot <cphlipot0@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1461831551-12213-6-git-send-email-cphlipot0@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The exported sample now contains a reference to the call_path_id that
represents its callchain.
While callchains themselves are nice to have, being able to associate
them with samples makes them much more useful, and can allow for such
things as determining how much cumulative time is spent in a particular
function. This information is normally possible to get from the call
return processor. However, when doing normal sampling, call/return
information is not available, thus necessitating the need for
associating samples directly with call paths.
This commit include changes to db-export layer to make this information
available for subsequent patches in this change set, but by itself, does
not make any changes visible to the user.
Signed-off-by: Chris Phlipot <cphlipot0@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1461831551-12213-5-git-send-email-cphlipot0@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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This change enables the db export api to export callchains. This is
accomplished by adding callchains obtained from samples to the
call_path_root structure and exporting them via the current call path
export API.
While the current API does support exporting call paths, this is not
supported when sampling. This commit addresses that missing feature by
allowing the export of call paths when callchains are present in
samples.
Summary:
- This feature is activated by initializing the call_path_root member
inside the db_export structure to a non-null value.
- Callchains are resolved with thread__resolve_callchain() and then stored
and exported by adding a call path under call path root.
- Symbol and DSO for each callchain node are exported via db_ids_from_al()
This commit puts in place infrastructure to be used by subsequent commits,
and by itself, does not introduce any user-visible changes.
Signed-off-by: Chris Phlipot <cphlipot0@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1461831551-12213-4-git-send-email-cphlipot0@gmail.com
[ Made adjustments suggested by Adrian Hunter, see thread via this cset's Link: tag ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Move the call path handling code out of thread-stack.c and
thread-stack.h to allow other components that are not part of
thread-stack to create call paths.
Summary:
- Create call-path.c and call-path.h and add them to the build.
- Move all call path related code out of thread-stack.c and thread-stack.h
and into call-path.c and call-path.h.
- A small subset of structures and functions are now visible through
call-path.h, which is required for thread-stack.c to continue to
compile.
This change is a prerequisite for subsequent patches in this change set
and by itself contains no user-visible changes.
Signed-off-by: Chris Phlipot <cphlipot0@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1461831551-12213-3-git-send-email-cphlipot0@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Failing to release pre_cal_file caldata on deinit causes memory leak.
Fixes: b131129d9657 ("ath10k: fix calibration init sequence of qca99x0")
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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During hw scan, firmware sends two channel information events (pre-
complete, complete) to host for each channel change. The snap shot of cycle
counters (rx_clear and total) between these two events are given for
survey dump. In order to get latest survey statistics of all channels, a
scan request has to be issued. In general, an AP DUT is brought up, it
won't leave BSS channel except few cases like overlapping bss or radar
detection. So survey statistics of bss channel is always referring to
older data that are collected before starting AP (either ACS/OBSS scan).
To collect latest survey information from target, firmware provides WMI
interface to read cycle counters from hardware. For each survey dump
request, BSS channel cycle counters are read and cleared in hardware.
This makes sure that behavior is in align with ath9k survey report.
So survey dump always gives snap shot of cycle counters b/w two survey
requests.
Signed-off-by: Yanbo Li <yanbol@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add handler to process bss channel information wmi event that
will be received upon sending pdev_chan_info_request wmi command.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add WMI ops to send pdev_bss_chan_info_request command to target.
This command will be used to retrieve updated cycle counters and noise
floor value of current operating channel (bss channel).
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add WMI definitions for pdev bss channel information request and
event.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It is observed that while loading and unloading ath10k modules
in an infinite loop, before ath10k_core_start() completion HTT
rx frames are received, while processing these frames,
dereferencing the arvifs list code is getting hit before
initilizing the arvifs list, causing a kernel panic.
This patch initilizes the arvifs list before initilizing htt.
Fixes the below issue:
[<bf88b058>] (ath10k_htt_rx_pktlog_completion_handler+0x278/0xd08 [ath10k_core])
[<bf88b058>] (ath10k_htt_rx_pktlog_completion_handler [ath10k_core])
[<bf88c0dc>] (ath10k_htt_txrx_compl_task+0x5f4/0xeb0 [ath10k_core])
[<bf88c0dc>] (ath10k_htt_txrx_compl_task [ath10k_core])
[<c0234100>] (tasklet_action+0x8c/0xec)
[<c0234100>] (tasklet_action)
[<c02337c0>] (__do_softirq+0xf8/0x228)
[<c02337c0>] (__do_softirq) [<c0233920>] (run_ksoftirqd+0x30/0x90)
Code: e5954ad8 e2899008 e1540009 0a00000d (e5943008)
---[ end trace 71de5c2e011dbf56 ]---
Kernel panic - not syncing: Fatal exception in interrupt
Fixes: 500ff9f9389d ("ath10k: implement chanctx API")
Cc: <stable@vger.kernel.org>
Signed-off-by: Anilkumar Kolli <akolli@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Spectral related structures are accessed / modified only if ath10k
debugfs is enabled, so it makes more sense to move them under
ATH10K_DEBUGFS
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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According to the spec, VHT doesn't exist in 2.4GHz.
There are vendor extensions to allow a subset of VHT to work
(notably 256-QAM), but since mac80211 doesn't support those
advertising VHT capability on 2.4GHz leads to the behaviour
of reporting VHT capabilities but not being able to use any
of them due to mac80211's code requiring 80 MHz support.
Remove the VHT capabilities from 2.4GHz for now. If mac80211
gets extended to use the (likely Broadcom) vendor IEs for it
and handles the lack of 80 MHz support, it can be added back.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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MAX8997 PMIC requires interrupt and fails probing without it.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: d105f0b1215d ("ARM: dts: Add basic dts file for Samsung Trats board")
Cc: <stable@vger.kernel.org>
[k.kozlowski: Write commit message, add CC-stable]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
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exynos4210-trats
The usage of slash character causes failure when creating regulator
debugfs entry.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
[k.kozlowski: Write commit message]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
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The MFC nodes with the memory regions reserved for memory allocations
are missing in the Exynos5420 Peach Pit and Exynos5800 Peach Pi DTS.
This causes the s5p-mfc driver probe to fail with the following error:
[ 4.140647] s5p_mfc_alloc_memdevs:1072: Failed to declare coherent memory for MFC device
[ 4.216163] s5p-mfc: probe of 11000000.codec failed with error -12
Add the missing nodes so the driver probes and the {en,de}coder video
nodes are registered correctly:
[ 4.096277] s5p-mfc 11000000.codec: decoder registered as /dev/video4
[ 4.102282] s5p-mfc 11000000.codec: encoder registered as /dev/video5
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
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Enable CGROUPS support, so we can boot userspace that uses systemd on
top of kernel configured using this defconfig. The systemd userspace
depends on cgroups and without them, it dies in mysterious ways.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Add node to support SAMA5D4 hardware random number generator.
Signed-off-by: Mike Williams <mike@mikebwilliams.com>
[nicolas.ferre@atmel.com: reduce the register map size]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Add node to support SAMA5D3 hardware random number generator.
Signed-off-by: Mike Williams <mike@mikebwilliams.com>
[nicolas.ferre@atmel.com: reduce the register map size]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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Add node to support SAMA5D2 hardware random number generator.
Signed-off-by: Mike Williams <mike@mikebwilliams.com>
[nicolas.ferre@atmel.com: reduce the register map size]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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No need to map 0x4000 bytes for the TRNG device: reduce it to 0x100.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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subvolumes
During a mount, we start the cleaner kthread first because the transaction
kthread wants to wake up the cleaner kthread. We start the transaction
kthread next because everything in btrfs wants transactions. We do reloc
recovery in the thread that was doing the original mount call once the
transaction kthread is running. This means that the cleaner kthread
could already be running when reloc recovery happens (e.g. if a snapshot
delete was started before a crash).
Relocation does not play well with the cleaner kthread, so a mutex was
added in commit 5f3164813b90f7dbcb5c3ab9006906222ce471b7 "Btrfs: fix
race between balance recovery and root deletion" to prevent both from
being active at the same time.
If the cleaner kthread is already holding the mutex by the time we get
to btrfs_recover_relocation, the mount will be blocked until at least
one deleted subvolume is cleaned (possibly more if the mount process
doesn't get the lock right away). During this time (which could be an
arbitrarily long time on a large/slow filesystem), the mount process is
stuck and the filesystem is unnecessarily inaccessible.
Fix this by locking cleaner_mutex before we start cleaner_kthread, and
unlocking the mutex after mount no longer requires it. This ensures
that the mounting process will not be blocked by the cleaner kthread.
The cleaner kthread is already prepared for mutex contention and will
just go to sleep until the mutex is available.
Signed-off-by: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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