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2014-03-26Input: cypress_ps2 - don't report as a button padsHans de Goede
The cypress PS/2 trackpad models supported by the cypress_ps2 driver emulate BTN_RIGHT events in firmware based on the finger position, as part of this no motion events are sent when the finger is in the button area. The INPUT_PROP_BUTTONPAD property is there to indicate to userspace that BTN_RIGHT events should be emulated in userspace, which is not necessary in this case. When INPUT_PROP_BUTTONPAD is advertised userspace will wait for a motion event before propagating the button event higher up the stack, as it needs current abs x + y data for its BTN_RIGHT emulation. Since in the cypress_ps2 pads don't report motion events in the button area, this means that clicks in the button area end up being ignored, so INPUT_PROP_BUTTONPAD actually causes problems for these touchpads, and removing it fixes: https://bugs.freedesktop.org/show_bug.cgi?id=76341 Reported-by: Adam Williamson <awilliam@redhat.com> Tested-by: Adam Williamson <awilliam@redhat.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-03-26xen-netback: Functional follow-up patch for grant mapping seriesZoltan Kiss
Ian made some late comments about the grant mapping series, I incorporated the functional outcomes into this patch: - use callback_param macro to shorten access to pending_tx_info in xenvif_fill_frags() and xenvif_tx_submit() - print an error message in xenvif_idx_unmap() before panic Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26xen-netback: Non-functional follow-up patch for grant mapping seriesZoltan Kiss
Ian made some late comments about the grant mapping series, I incorporated the non-functional outcomes into this patch: - typo fixes in a comment of xenvif_free(), and add another one there as well - typo fix for comment of rx_drain_timeout_msecs - remove stale comment before calling xenvif_grant_handle_reset() Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26xen-netback: Stop using xenvif_tx_pending_slots_availableZoltan Kiss
Since the early days TX stops if there isn't enough free pending slots to consume a maximum sized (slot-wise) packet. Probably the reason for that is to avoid the case when we don't have enough free pending slot in the ring to finish the packet. But if we make sure that the pending ring has the same size as the shared ring, that shouldn't really happen. The frontend can only post packets which fit the to the free space of the shared ring. If it doesn't, the frontend has to stop, as it can only increase the req_prod when the whole packet fits onto the ring. This patch avoid using this checking, makes sure the 2 ring has the same size, and remove a checking from the callback. As now we don't stop the NAPI instance on this condition, we don't have to wake it up if we free pending slots up. Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26Input: da9052_onkey - use correct register bit for key statusAnthony Olech
The wrong register bit of the DA9052/3 PMIC registers was used to determine the status on the ONKEY. Also a failure in reading the status register will no longer result in the work queue being rescheduled as that would result in a (potentially) endless retry. Signed-off-by: Anthony Olech <anthony.olech.opensource@diasemi.com> Acked-by: David Dajun Chen <david.chen@diasemi.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-03-26Merge branch 'bcm7xxx-next'David S. Miller
Florian Fainelli says: ==================== net: phy: bcm7xxx: workaround updates This patch updates the BCM7xxx internal PHY workaround, this time with defines for the registers we are touching. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26net: phy: bcm7xxx: properly clear AFE_RX_LP_COUNTERFlorian Fainelli
The AFE_RX_LP_COUNTER kept the last 3 bits set, which would not properly clear the EEE LPI mode errors bits. Make sure that those bits are set to 0 to ensure the PHY timing is always good even during EEE wake-up. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26net: phy: bcm7xxx: fix spurious MDIO failures during workaroundFlorian Fainelli
Writing first to the AFE registers, and then the VCO, RCAL, RC_CAL registers turned out to unveil some spurious MDIO read/write failures which would make the workaround partially applied. The fix is to write first to the VCO, RCAL, RC_CAL registers, and then write to the AFE registers. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26net: phy: bcm7xxx: define constants for our registersFlorian Fainelli
Define constants for the various registers used in bcm7xxx_28nm_afe_config_init() to help clarify what this workaround is about. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26net: Rename skb->rxhash to skb->hashTom Herbert
The packet hash can be considered a property of the packet, not just on RX path. This patch changes name of rxhash and l4_rxhash skbuff fields to be hash and l4_hash respectively. This includes changing uses of the field in the code which don't call the access functions. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26tg3: Do not include vlan acceleration features in vlan_featuresVlad Yasevich
Including hardware acceleration features in vlan_features breaks stacked vlans (Q-in-Q) by marking the bottom vlan interface as capable of acceleration. This causes one of the tags to be lost and the packets are sent with a sing vlan header. CC: Nithin Nayak Sujir <nsujir@broadcom.com> CC: Michael Chan <mchan@broadcom.com> Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26qlcnic: Remove casts of pointer to same typeJoe Perches
Casting a pointer to a pointer of the same type is pointless, so remove these unnecessary casts. Done via coccinelle script: $ cat typecast_2.cocci @@ type T; T *foo; @@ - (T *)foo + foo Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26alx: Remove casts of pointer to same typeJoe Perches
Casting a pointer to a pointer of the same type is pointless, so remove these unnecessary casts. Done via coccinelle script: $ cat typecast_2.cocci @@ type T; T *foo; @@ - (T *)foo + foo Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26altera: Remove casts of pointer to same typeJoe Perches
Casting a pointer to a pointer of the same type is pointless, so remove these unnecessary casts. Done via coccinelle script: $ cat typecast_2.cocci @@ type T; T *foo; @@ - (T *)foo + foo Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Vince Bridgers <vbridgers2013@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26chelsio: Remove addressof casts to same typeJoe Perches
Using addressof then casting to the original type is pointless, so remove these unnecessary casts. Done via coccinelle script: $ cat typecast.cocci @@ type T; T foo; @@ - (T *)&foo + &foo Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26smsc911x: No need to print driver versionFabio Estevam
Having the kernel to print: "smsc911x: Driver version 2008-10-21" on every boot is not very useful, so remove the print of the driver version. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26smsc911x: Do not use netdev_dbg() when device is not registeredFabio Estevam
With debug enabled we get the following message: smsc911x smsc911x (unregistered net_device): couldn't get clock -2 As the device has not been registered at this point, it is better to use dev_dbg() instead of netdev_dbg(). CC: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Suggested-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26tcp: delete unused parameter in tcp_nagle_check()Peter Pan(潘卫平)
After commit d4589926d7a9 (tcp: refine TSO splits), tcp_nagle_check() does not use parameter mss_now anymore. Signed-off-by: Weiping Pan <panweiping3@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26ip_tunnel: Fix dst ref-count.Pravin B Shelar
Commit 10ddceb22ba (ip_tunnel:multicast process cause panic due to skb->_skb_refdst NULL pointer) removed dst-drop call from ip-tunnel-recv. Following commit reintroduce dst-drop and fix the original bug by checking loopback packet before releasing dst. Original bug: https://bugzilla.kernel.org/show_bug.cgi?id=70681 CC: Xin Long <lucien.xin@gmail.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-26x86, efi: Abstract x86 efi_early callsMatt Fleming
The ARM EFI boot stub doesn't need to care about the efi_early infrastructure that x86 requires in order to do mixed mode thunking. So wrap everything up in an efi_call_early() macro. This allows x86 to do the necessary indirection jumps to call whatever firmware interface is necessary (native or mixed mode), but also allows the ARM folks to mask the fact that they don't support relocation in the boot stub and need to pass 'sys_table_arg' to every function. [ hpa: there are no object code changes from this patch ] Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/20140326091011.GB2958@console-pimps.org Cc: Roy Franz <roy.franz@linaro.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2014-03-26Merge remote-tracking branches 'regulator/topic/tps65218', ↵Mark Brown
'regulator/topic/tps6524x', 'regulator/topic/tps6586x', 'regulator/topic/tps65910', 'regulator/topic/tps80031', 'regulator/topic/wm831x', 'regulator/topic/wm8350' and 'regulator/topic/wm8994' into regulator-next
2014-03-26Merge remote-tracking branches 'regulator/topic/s5m8767', ↵Mark Brown
'regulator/topic/st-pwm', 'regulator/topic/ti-abb', 'regulator/topic/tps51632', 'regulator/topic/tps62360', 'regulator/topic/tps6507x', 'regulator/topic/tps65090' and 'regulator/topic/tps65217' into regulator-next
2014-03-26Merge remote-tracking branches 'regulator/topic/max8973', ↵Mark Brown
'regulator/topic/max8997', 'regulator/topic/max8998', 'regulator/topic/mc13xxx', 'regulator/topic/pfuze100', 'regulator/topic/rc5t583' and 'regulator/topic/s2mps11' into regulator-next
2014-03-26Merge remote-tracking branches 'regulator/topic/max1586', ↵Mark Brown
'regulator/topic/max77686', 'regulator/topic/max77693', 'regulator/topic/max8649', 'regulator/topic/max8660', 'regulator/topic/max8907', 'regulator/topic/max8925' and 'regulator/topic/max8952' into regulator-next
2014-03-26Merge remote-tracking branches 'regulator/topic/doc', ↵Mark Brown
'regulator/topic/enable', 'regulator/topic/fan53555', 'regulator/topic/fixed', 'regulator/topic/gpio', 'regulator/topic/lp3971', 'regulator/topic/lp872x' and 'regulator/topic/max14577' into regulator-next
2014-03-26Merge remote-tracking branches 'regulator/topic/bcm590xx', ↵Mark Brown
'regulator/topic/da9052', 'regulator/topic/da9055', 'regulator/topic/da9063', 'regulator/topic/da9210', 'regulator/topic/db8500' and 'regulator/topic/dbx500' into regulator-next
2014-03-26Merge remote-tracking branches 'regulator/topic/88pm800', ↵Mark Brown
'regulator/topic/88pm8607', 'regulator/topic/aat2870', 'regulator/topic/act8865', 'regulator/topic/anatop', 'regulator/topic/arizona', 'regulator/topic/as3711' and 'regulator/topic/as3722' into regulator-next
2014-03-26Merge remote-tracking branch 'regulator/topic/core' into regulator-nextMark Brown
2014-03-26regulator: aat2870: Use regulator_map_voltage_ascendAxel Lin
The voltages in aat2870_ldo_voltages table are in ascendant order, so use regulator_map_voltage_ascend. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-26ata: fix ARASAN CompactFlash PATA driver dependenciesBartlomiej Zolnierkiewicz
Make pata_arasan_cf host driver depend on ARCH_SPEAR13XX config option as ARASAN CompactFlash PATA support is specific to ST SPEAr13xx SoCs and the driver to work requires suitable device tree node (or platform device) to be defined. Additionally allow the driver build if COMPILE_TEST config option is set. Cc: Viresh Kumar <viresh.linux@gmail.com> Cc: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-26spi: omap-uwire: Remove full duplex checkAxel Lin
This driver sets the SPI_MASTER_HALF_DUPLEX flag, so the spi core will check transfers to ensure they are not full duplex. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-26ata: remove superfluous castsJoe Perches
Unreferenced casts of void * types are unnecessary so remove them. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-26Bluetooth: Fix returning peer address in pending connect stateJohan Hedberg
We should let user space request the peer address also in the pending connect states, i.e. BT_CONNECT and BT_CONNECT2. There is existing user space code that tries to do this and will fail without extending the set of allowed states for the peer address information. This patch adds the two states to the allowed ones in the L2CAP and RFCOMM sock_getname functions, thereby preventing ENOTCONN from being returned. Reported-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Tested-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-03-26Merge tag 'trace-fixes-v3.14-rc7-v2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "While on my flight to Linux Collaboration Summit, I was working on my slides for the event trigger tutorial. I booted a 3.14-rc7 kernel to perform what I wanted to teach and cut and paste it into my slides. When I tried the traceon event trigger with a condition attached to it (turns tracing on only if a field of the trigger event matches a condition set by the user), nothing happened. Tracing would not turn on. I stopped working on my presentation in order to find what was wrong. It ended up being the way trace event triggers work when they have conditions. Instead of copying the fields, the condition code just looks at the fields that were copied into the ring buffer. This works great, unless tracing is off. That's because when the event is reserved on the ring buffer, the ring buffer returns a NULL pointer, this tells the tracing code that the ring buffer is disabled. This ends up being a problem for the traceon trigger if it is using this information to check its condition. Luckily the code that checks if tracing is on returns the ring buffer to use (because the ring buffer is determined by the event file also passed to that field). I was able to easily solve this bug by checking in that helper function if the returned ring buffer entry is NULL, and if so, also check the file flag if it has a trace event trigger condition, and if so, to pass back a temp ring buffer to use. This will allow the trace event trigger condition to still test the event fields, but nothing will be recorded" * tag 'trace-fixes-v3.14-rc7-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix traceon trigger condition to actually turn tracing on
2014-03-26ata: sata_highbank: remove superfluous castBartlomiej Zolnierkiewicz
hpriv->plat_data is 'void *' so there is no need to cast it to 'struct ecx_plat_data *'. Cc: Mark Langsdorf <mark.langsdorf@calxeda.com> Cc: Rob Herring <robh@kernel.org> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-26cpufreq: Make cpufreq_notify_transition & cpufreq_notify_post_transition staticViresh Kumar
cpufreq_notify_transition() and cpufreq_notify_post_transition() shouldn't be called directly by cpufreq drivers anymore and so these should be marked static. Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26cpufreq: Convert existing drivers to use cpufreq_freq_transition_{begin|end}Viresh Kumar
CPUFreq core has new infrastructure that would guarantee serialized calls to target() or target_index() callbacks. These are called cpufreq_freq_transition_begin() and cpufreq_freq_transition_end(). This patch converts existing drivers to use these new set of routines. Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26cpufreq: Make sure frequency transitions are serializedSrivatsa S. Bhat
Whenever we change the frequency of a CPU, we call the PRECHANGE and POSTCHANGE notifiers. They must be serialized, i.e. PRECHANGE and POSTCHANGE notifiers should strictly alternate, thereby preventing two different sets of PRECHANGE or POSTCHANGE notifiers from interleaving arbitrarily. The following examples illustrate why this is important: Scenario 1: ----------- A thread reading the value of cpuinfo_cur_freq, will call __cpufreq_cpu_get()->cpufreq_out_of_sync()->cpufreq_notify_transition() The ondemand governor can decide to change the frequency of the CPU at the same time and hence it can end up sending the notifications via ->target(). If the notifiers are not serialized, the following sequence can occur: - PRECHANGE Notification for freq A (from cpuinfo_cur_freq) - PRECHANGE Notification for freq B (from target()) - Freq changed by target() to B - POSTCHANGE Notification for freq B - POSTCHANGE Notification for freq A We can see from the above that the last POSTCHANGE Notification happens for freq A but the hardware is set to run at freq B. Where would we break then?: adjust_jiffies() in cpufreq.c & cpufreq_callback() in arch/arm/kernel/smp.c (which also adjusts the jiffies). All the loops_per_jiffy calculations will get messed up. Scenario 2: ----------- The governor calls __cpufreq_driver_target() to change the frequency. At the same time, if we change scaling_{min|max}_freq from sysfs, it will end up calling the governor's CPUFREQ_GOV_LIMITS notification, which will also call __cpufreq_driver_target(). And hence we end up issuing concurrent calls to ->target(). Typically, platforms have the following logic in their ->target() routines: (Eg: cpufreq-cpu0, omap, exynos, etc) A. If new freq is more than old: Increase voltage B. Change freq C. If new freq is less than old: decrease voltage Now, if the two concurrent calls to ->target() are X and Y, where X is trying to increase the freq and Y is trying to decrease it, we get the following race condition: X.A: voltage gets increased for larger freq Y.A: nothing happens Y.B: freq gets decreased Y.C: voltage gets decreased X.B: freq gets increased X.C: nothing happens Thus we can end up setting a freq which is not supported by the voltage we have set. That will probably make the clock to the CPU unstable and the system might not work properly anymore. This patch introduces a set of synchronization primitives to serialize frequency transitions, which are to be used as shown below: cpufreq_freq_transition_begin(); //Perform the frequency change cpufreq_freq_transition_end(); The _begin() call sends the PRECHANGE notification whereas the _end() call sends the POSTCHANGE notification. Also, all the necessary synchronization is handled within these calls. In particular, even drivers which set the ASYNC_NOTIFICATION flag can also use these APIs for performing frequency transitions (ie., you can call _begin() from one task, and call the corresponding _end() from a different task). The actual synchronization underneath is not that complicated: The key challenge is to allow drivers to begin the transition from one thread and end it in a completely different thread (this is to enable drivers that do asynchronous POSTCHANGE notification from bottom-halves, to also use the same interface). To achieve this, a 'transition_ongoing' flag, a 'transition_lock' spinlock and a wait-queue are added per-policy. The flag and the wait-queue are used in conjunction to create an "uninterrupted flow" from _begin() to _end(). The spinlock is used to ensure that only one such "flow" is in flight at any given time. Put together, this provides us all the necessary synchronization. Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26ata: fix Calxeda Highbank SATA driver dependenciesBartlomiej Zolnierkiewicz
Make sata_highbank host driver depend on ARCH_HIGHBANK config option as Calxeda Highbank SATA support is specific to Calxeda Highbank SoCs and the driver to work requires suitable device tree node to be defined. Additionally allow the driver build if COMPILE_TEST config option is set. Cc: Mark Langsdorf <mark.langsdorf@calxeda.com> Cc: Rob Herring <robh@kernel.org> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2014-03-26intel_pstate: Use del_timer_sync in intel_pstate_cpu_stopDirk Brandewie
Ensure that no timer callback is running since we are about to free the timer structure. We cannot guarantee that the call back is called on the CPU where the timer is running. Reported-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26cpufreq: resume drivers before enabling governorsViresh Kumar
During suspend, we first stop governors and then suspend cpufreq drivers and resume must be exactly opposite of that. i.e. resume drivers first and then start governors. But the current code in resume enables governors first and then resume drivers. Fix it be changing code sequence there. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26PM / Runtime: Spelling s/competing/completing/Geert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26PM / Runtime: s/foo_process_requests/foo_process_next_request/Geert Uytterhoeven
The example uses foo_process_next_request() everywhere else. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26PM / Runtime: GENERIC_SUBSYS_PM_OPS is goneGeert Uytterhoeven
Update the documentation for the removal of GENERIC_SUBSYS_PM_OPS in commit 90363ddf0a1a4dccfbb8d0c10b8f488bc7fa69f8 ("PM: Drop generic_subsys_pm_ops") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26PM / Runtime: Correct documented return values for generic PM callbacksGeert Uytterhoeven
As of commit 05aa55dddb9ee4045c320661068bea78dad6a6e5 ("PM / Runtime: Lenient generic runtime pm callbacks"), the generic power management callbacks pm_generic_runtime_suspend() and pm_generic_runtime_resume() return 0, not -EINVAL, if the device doesn't provide its own callbacks. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26PM / Runtime: Split line longer than 80 charactersGeert Uytterhoeven
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26PM / Runtime: dev_pm_info.runtime_error is signedGeert Uytterhoeven
dev_pm_info.runtime_error has always been a signed int, to store a signed error code. Correct the documentation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26Revert "ACPI / processor: Make it possible to get APIC ID via GIC"Hanjun Guo
Revert commit df86f5df79d8 (ACPI / processor: Make it possible to get APIC ID via GIC). APIC ID refers the hardware ID of the CPU, which means MPIDR on ARM/ARM64, but in ACPI 5.0, GIC ID feild in GIC structure have no explicit definition and may not refer to the MPIDR. Commit df86f5df79d8 assumed that gic->gic_id as MPIDR which may not be the case, so revert it until the explicit definition of GIC structure is ready. Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> [rjw: Changelog] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26ACPICA: Enable auto-serialization as a default kernel behavior.Lv Zheng
The previous commit "ACPICA: Add auto-serialization support for ill-behaved control methods" introduced the auto-serialization facility as a workaround that can be enabled by "acpi_auto_serialize": This feature marks control methods that create named objects as "serialized" to avoid unwanted AE_ALREADY_EXISTS control method evaluation failures. Enable method auto-serialization as the default kernel behavior. The new kernel parameter is also changed from "acpi_auto_serialize" to "acpi_no_auto_serialize" to reflect the default behavior. References: https://bugzilla.kernel.org/show_bug.cgi?id=52191 References: http://www.spinics.net/lists/linux-acpi/msg49496.html Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-03-26ACPICA: Ignore sync_level for methods that have been auto-serialized.Bob Moore
Cannot use a sync_level for methods that have been serialized at load-time or runtime because this may interfere with any existing use of sync_levels within the ASL code. So, we simply ignore the sync_level for these methods, thus preserving any existing sync_level priorities. Note, the use of sync_levels is actually rather rare within BIOS ASL code. References: http://www.spinics.net/lists/linux-acpi/msg49496.html Reported-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Reported-by: Sabrina Dubroka <sd@queasysnail.net> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>