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Drivers implementing proprietary ops may need it now.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Merge back net-next to get wireless driver changes (from Kalle)
to be able to create the API change across all trees properly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Christoffer Holmstedt <christoffer@christofferholmstedt.se>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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In order to avoid potential overflows in print_constraints we
better replace sprintf() with scnprintf().
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-core
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This patch fixes a bug in hwmp_preq_frame_process where the wrong metric
can be used when forwarding a PREQ. This happens because the code uses
the same metric variable to record the value of the metric to the source
of the PREQ and the value of the metric to the target of the PREQ.
This comes into play when both reply and forward are set which happens
when IEEE80211_PREQ_PROACTIVE_PREP_FLAG is set and when MP_F_DO | MP_F_RF
is set. The original code had a special case to handle the first case
but not the second.
The patch uses distinct variables for the two metrics which makes the
code flow much clearer and removes the need to restore the original
value of metric when forwarding.
Signed-off-by: Alexis Green <agreen@cococorp.com>
CC: Jesse Jones <jjones@cococorp.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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clocksource messages aren't prefixed in dmesg so it's a bit unclear
what subsystem emits the messages.
Use pr_fmt and pr_<level> to auto-prefix the messages appropriately.
Miscellanea:
o Remove "Warning" from KERN_WARNING level messages
o Align "timekeeping watchdog: " messages
o Coalesce formats
o Align multiline arguments
Signed-off-by: Joe Perches <joe@perches.com>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/1432579795.2846.75.camel@perches.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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To allow constant folding in usecs_to_jiffies() conditionally calls
the HZ dependent _usecs_to_jiffies() helpers or, when gcc can not
figure out constant folding, __usecs_to_jiffies, which is the renamed
original usecs_to_jiffies() function.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Joe Perches <joe@perches.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Andrew Hunter <ahh@google.com>
Cc: Paul Turner <pjt@google.com>
Cc: Michal Marek <mmarek@suse.cz>
Link: http://lkml.kernel.org/r/1432832996-12129-2-git-send-email-hofrat@osadl.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Refactor the usecs_to_jiffies conditional code part in time.c and
jiffies.h putting it into conditional functions rather than #ifdefs
to improve readability. This is analogous to the msecs_to_jiffies()
cleanup in commit ca42aaf0c861 ("time: Refactor msecs_to_jiffies")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Joe Perches <joe@perches.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Andrew Hunter <ahh@google.com>
Cc: Paul Turner <pjt@google.com>
Cc: Michal Marek <mmarek@suse.cz>
Link: http://lkml.kernel.org/r/1432832996-12129-1-git-send-email-hofrat@osadl.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Due to the slightly odd way that new threads and processes start execution
when scheduled for the very first time they were bypassing the required
disable_msa call.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When we notify user space of a new LTK or distribute an LTK to the
remote peer the value passed should be the shortened version so that
it's easy to compare values in various traces. The core spec also sets
the requirements for the shortening/masking as:
"The masking shall be done after generation and before being
distributed, used or stored."
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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If CONFIG_SERIAL_8250 is set to m, the Loongson seria.ko module might get
unloaded while the serial driver modules are still loaded resulting in
stale references to the destroyed platform_device instance.
Anyway, platform devices should always be registered indicated what
devices are present, _not_ what drivers have been configured.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Patchwork: https://patchwork.linux-mips.org/patch/10538/
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If CONFIG_MTD_PHYSMAP is set to m, the Cobalt mtd.ko module might get
unloaded while the drivers/mtd modules are still loaded resulting in
stale references to the destroyed platform_device instance.
Anyway, platform devices should always be registered indicated what
devices are present, _not_ what drivers have been configured.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Along with the transition to regmap for managing the cached parameter
reads, the caps overwrite was also moved to regmap cache. The cache
change itself works, but it still tries to write the non-existing verb
(the HDA parameter is read-only) wrongly. It's harmless in most
cases, but some chips are picky and may result in the codec
communication stall.
This patch avoids it just by adding the missing flag check in
reg_write ops.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When requesting own descriptors through hogs, it is useful to
get some details about what's going on if we encounter problems.
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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These error messages are helpful to see that we fail to get
hogs. Promote them to real errors so they appear in the boot
crawl.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Added support to Zynq Ultrascale+ MPSoC on the existing zynq
gpio driver.
Signed-off-by: Anurag Kumar Vulisha <anuragku@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add a GPIO driver for the General I/O block on Axis ETRAX FS SoCs.
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The error_entry/error_exit code to handle gsbase and whether we
return to user mdoe was a mess:
- error_sti was misnamed. In particular, it did not enable interrupts.
- Error handling for gs_change was hopelessly tangled the normal
usermode path. Separate it out. This saves a branch in normal
entries from kernel mode.
- The comments were bad.
Fix it up. As a nice side effect, there's now a code path that
happens on error entries from user mode. We'll use it soon.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/f1be898ab93360169fb845ab85185948832209ee.1433878454.git.luto@kernel.org
[ Prettified it, clarified comments some more. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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We use three MOVs to swap edx and ecx. We can use one XCHG
instead.
Expand the comments. It's difficult to keep track which arg#
every register corresponds to, so spell it out.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1433876051-26604-3-git-send-email-dvlasenk@redhat.com
[ Expanded the comments some more. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Here it is not obvious why we load pt_regs->cx to %esi etc.
Lets improve comments.
Explain that here we combine two things: first, we reload
registers since some of them are clobbered by the C function we
just called; and we also convert 32-bit syscall params to 64-bit
C ABI, because we are going to jump back to syscall dispatch
code.
Move reloading of 6th argument into the macro instead of having
it after each of two macro invocations.
No actual code changes here.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1433876051-26604-2-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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I put %ebp restoration code too late. Under strace, it is not
reached and %ebp is not restored upon return to userspace.
This is the fix. Run-tested.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1433876051-26604-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This enables us to understand how many hash fault we are taking
when running benchmarks.
For ex:
-bash-4.2# ./perf stat -e powerpc:hash_fault -e page-faults /tmp/ebizzy.ppc64 -S 30 -P -n 1000
...
Performance counter stats for '/tmp/ebizzy.ppc64 -S 30 -P -n 1000':
1,10,04,075 powerpc:hash_fault
1,10,03,429 page-faults
30.865978991 seconds time elapsed
NOTE:
The impact of the tracepoint was not noticeable when running test. It was
within the run-time variance of the test. For ex:
without-patch:
--------------
Performance counter stats for './a.out 3000 300':
643 page-faults # 0.089 M/sec
7.236562 task-clock (msec) # 0.928 CPUs utilized
2,179,213 stalled-cycles-frontend # 0.00% frontend cycles idle
17,174,367 stalled-cycles-backend # 0.00% backend cycles idle
0 context-switches # 0.000 K/sec
0.007794658 seconds time elapsed
And with-patch:
---------------
Performance counter stats for './a.out 3000 300':
643 page-faults # 0.089 M/sec
7.233746 task-clock (msec) # 0.921 CPUs utilized
0 context-switches # 0.000 K/sec
0.007854876 seconds time elapsed
Performance counter stats for './a.out 3000 300':
643 page-faults # 0.087 M/sec
649 powerpc:hash_fault # 0.087 M/sec
7.430376 task-clock (msec) # 0.938 CPUs utilized
2,347,174 stalled-cycles-frontend # 0.00% frontend cycles idle
17,524,282 stalled-cycles-backend # 0.00% backend cycles idle
0 context-switches # 0.000 K/sec
0.007920284 seconds time elapsed
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Antonio Quartulli says:
====================
Included changes:
- use common Jenkins hash instead of private implementation
- extend internal routing API
- properly re-arrange header files inclusion
- clarify precedence between '&' and '?'
- remove unused ethhdr variable in batadv_gw_dhcp_recipient_get()
- ensure per-VLAN structs are updated upon MAC change
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch corrects a bug in ixgbe_setup_ixfi_x550em where we were
reading and modifying IXGBE_KRM_LINK_CTRL_1 but forgot to write the
results back.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Even though X550 may later clear this value for certain devices
set it initially to support copper.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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We need to call the set_lan_id before accessing I2C and this wasn't
being done so this patch corrects that. Likewise we do the same for
QSFP just to be consistent.
In the X550 case this is even more important as with out it the mux
is not controlled properly.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds ixgbe_check_link_t_X550em for checking copper PHY
link. We check that both the MAC and external PHY have link. This
is to avoid a false link up between the internal and external PHY
when the external PHY doesn't have link.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds support for another 10baseT X550 device.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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A subset of the X550 function pointers didn't have default methods. This
didn't cause any issue with previous X550 devices as they were all
redefined. However future devices will need these default values.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Reviewing the X550 copper init flow with the Si team resulted in a
new simplified flow. We no longer wait for the PHY FW initialization
complete bit to be set as this bit is only set once by the PHY at power
on and then cleared on the first read. So only the first instance of
running SW (or possibly MAC FW) needs to initialize the PHY.
The PHY initialization has been simplified and now only requires that
the PHY FW be un-stalled
low-power mode or enabled the transceiver
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This check was missed in when this new MAC type was added. Since
these counts can be incremented for X550 we need to clear them.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Move the trace_device_pm_callback locations for dpm_prepare and dpm_complete
to encompass the attempt to capture the device mutex prior to callback. This
is needed by analyze_suspend to identify gaps in the trace output caused by
the delay in locking the mutex for a device.
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add checks for systems that don't have SFP's to avoid incorrectly
acting on interrupts that are falsely interpreted as SFP events.
We do this by updating the ixgbe_is_sfp to be aware of the
new X550 devices. This also includes a modified check generating
the EICR mask to be more forward-looking.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds support for receiving interrupts from a external copper
PHY for the X550 part. This includes enabling, detection as well as
re-enablement.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The over heat message is displayed for multiple reasons but the text is
cut-n-pasted for each of these cases. This patch pulls the text from the
same location. I noticed this as I am about to add another case.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds a PHY reset function ixgbe_reset_phy_t_X550em. Which
allows devices that have LASI support in enable their interrupt.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds x550 external PHY interrupt and forced 1G/10G support.
This included enabling and handling LSC and thermal sensor interrupt.
ixgbe_handle_lasi() has been added for handling the interrupts received
over SDP0 from the external 10baseT PHY. ixgbe_enable_lasi_ext_t_x550em
and ixgbe_get_lasi_ext_t_x550em have been added to X550em to enable
mask and check interrupt flags for the external PHY.
Forced 1G/10G link speed is handled via ixgbe_mac_link_t_X550em.
ixgbe_seupt_mac_link_t_X550em sets up the internal PHY and external PHY
to either iXFI (10G) or KX (1G) based on the user selected auto
advertised link speed setting. Then sets up the external PHY auto
advertised link speed.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The I2C mux control relies on the SDP setting in the ESDP register
so it is necessary to restore the value after a MAC reset. Combine
all this functionality in to a support function.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This new method will control the PHY power state. You pass in the
state you wish to change to (ether on or off). For cases where this
method is not used the current PHY power state behavior is maintained.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add a define for the new PHY identification as well as it's mapping
to the correct PHY type. Also allow ethtool to identify this type
as well.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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These Device ID could support both WoL and autoneg flow control. In
the case of WoL this is indicated by the eeprom. This patch enables
these devices this support.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Some of the register addresses and format where unfortunately changed
between MAC types. To get around this we add a const u32 *mvals pointer
to the ixgbe_hw struct to point to an array of mac-type-dependent
values. These can include register offsets, masks, whatever can be in
a u32. When the ixgbe_hw struct is initialized, a pointer to the
appropriate array must be set.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Later commits would change the way policies are managed today. Policies
wouldn't be freed on cpu hotplug (currently they aren't freed only for
suspend), and while the CPU is offline, the sysfs cpufreq files would
still be present.
User may accidentally try to update the sysfs files in following
directory: '/sys/devices/system/cpu/cpuX/cpufreq/'. And that would
result in undefined behavior as policy wouldn't be active then.
Apart from updating the store() routine, we also update __cpufreq_get()
which can call cpufreq_out_of_sync(). The later routine tries to update
policy->cur and starts notifying kernel about it.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Saravana Kannan <skannan@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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During initialization and exit it is possible that the target pstate
might not actually be set. Furthermore, the result can be that the
driver and the processor are out of synch and, under some conditions,
the driver might never send the processor the proper target pstate.
This patch adds a bypass or do_checks flag to the call to
intel_pstate_set_pstate. If bypass, then specifically bypass clamp
checks and the do not send if it is the same as last time check. If
do_checks, then, and as before, do the current policy clamp checks,
and do not do actual send if the new target is the same as the old.
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Reported-by: Marien Zwart <marien.zwart@gmail.com>
Reported-by: Alex Lochmann <alexander.lochmann@tu-dortmund.de>
Reported-by: Piotr Ko?aczkowski <pkolaczk@gmail.com>
Reported-by: Clemens Eisserer <linuxhippy@gmail.com>
Tested-by: Marien Zwart <marien.zwart@gmail.com>
Tested-by: Doug Smythies <dsmythies@telus.net>
[ rjw: Dropped pointless symbol definitions, rebased ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit ce717613f3fb (intel_pstate: Turn per cpu printk into pr_debug)
turned per cpu printk into pr_debug. However, only half of the change
was done, introducing an inconsistency between entry and exit from
driver pstate control. This patch changes the exit message to pr_debug
also.
The various messages are inconsistent with respect to any identifier
text that can be used to help isolate the desired information from a
huge log. This patch makes a consistent identifier portion of the
string.
Amends: ce717613f3fb (intel_pstate: Turn per cpu printk into pr_debug)
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The Foxconn K8M890-8237A has two PCI host bridges, and we can't assign
resources correctly without the information from _CRS that tells us which
address ranges are claimed by which bridge. In the bugs mentioned below,
we incorrectly assign a sound card address (this example is from 1033299):
bus: 00 index 2 [mem 0x80000000-0xfcffffffff]
ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-7f])
pci_root PNP0A08:00: host bridge window [mem 0x80000000-0xbfefffff] (ignored)
pci_root PNP0A08:00: host bridge window [mem 0xc0000000-0xdfffffff] (ignored)
pci_root PNP0A08:00: host bridge window [mem 0xf0000000-0xfebfffff] (ignored)
ACPI: PCI Root Bridge [PCI1] (domain 0000 [bus 80-ff])
pci_root PNP0A08:01: host bridge window [mem 0xbff00000-0xbfffffff] (ignored)
pci 0000:80:01.0: [1106:3288] type 0 class 0x000403
pci 0000:80:01.0: reg 10: [mem 0xbfffc000-0xbfffffff 64bit]
pci 0000:80:01.0: address space collision: [mem 0xbfffc000-0xbfffffff 64bit] conflicts with PCI Bus #00 [mem 0x80000000-0xfcffffffff]
pci 0000:80:01.0: BAR 0: assigned [mem 0xfd00000000-0xfd00003fff 64bit]
BUG: unable to handle kernel paging request at ffffc90000378000
IP: [<ffffffffa0345f63>] azx_create+0x37c/0x822 [snd_hda_intel]
We assigned 0xfd_0000_0000, but that is not in any of the host bridge
windows, and the sound card doesn't work.
Turn on pci=use_crs automatically for this system.
Link: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/931368
Link: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1033299
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org
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Add missing invocation of pm_generic_complete() to
acpi_subsys_complete() to allow ->complete callbacks provided
by the drivers of devices using the ACPI PM domain to be executed
during system resume.
Fixes: f25c0ae2b4c4 (ACPI / PM: Avoid resuming devices in ACPI PM domain during system suspend)
Cc: 3.16+ <stable@vger.kernel.org> # 3.16+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The buffer for condtraints debug isn't big enough to hold the output
in all cases. So fix this issue by increasing the buffer.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer fix from Dmitry Torokhov:
"A small tweak for the Synaptics PS/2 touchpad driver"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics - add min/max quirk for Lenovo S540
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