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2013-02-19Merge branch 'irq-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq core changes from Ingo Molnar: "The biggest changes are the IRQ-work and printk changes from Frederic Weisbecker, which prepare the code for 'full dynticks' (the ability to stop or slow down the periodic tick arbitrarily, not just in idle time as today): - Don't stop tick with irq works pending. This fix is generally useful and concerns archs that can't raise self IPIs. - Flush irq works before CPU offlining. - Introduce "lazy" irq works that can wait for the next tick to be executed, unless it's stopped. - Implement klogd wake up using irq work. This removes the ad-hoc printk_tick()/printk_needs_cpu() hooks and make it working even in dynticks mode. - Cleanups and fixes." * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Export enable/disable_percpu_irq() arch Kconfig: Remove references to IRQ_PER_CPU irq_work: Remove return value from the irq_work_queue() function genirq: Avoid deadlock in spurious handling printk: Wake up klogd using irq_work irq_work: Make self-IPIs optable irq_work: Warn if there's still work on cpu_down irq_work: Flush work on CPU_DYING irq_work: Don't stop the tick with pending works nohz: Add API to check tick state irq_work: Remove CONFIG_HAVE_IRQ_WORK irq_work: Fix racy check on work pending flag irq_work: Fix racy IRQ_WORK_BUSY flag setting
2013-02-19Merge branch 'core-rcu-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RCU changes from Ingo Molnar: "SRCU changes: - These include debugging aids, updates that move towards the goal of permitting srcu_read_lock() and srcu_read_unlock() to be used from idle and offline CPUs, and a few small fixes. Changes to rcutorture and to RCU documentation: - Posted to LKML at https://lkml.org/lkml/2013/1/26/188 Enhancements to uniprocessor handling in tiny RCU: - Posted to LKML at https://lkml.org/lkml/2013/1/27/2 Tag RCU callbacks with grace-period number to simplify callback advancement: - Posted to LKML at https://lkml.org/lkml/2013/1/26/203 Miscellaneous fixes: - Posted to LKML at https://lkml.org/lkml/2013/1/26/204" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) srcu: use ACCESS_ONCE() to access sp->completed in srcu_read_lock() srcu: Update synchronize_srcu_expedited()'s comments srcu: Update synchronize_srcu()'s comments srcu: Remove checks preventing idle CPUs from calling srcu_read_lock() srcu: Remove checks preventing offline CPUs from calling srcu_read_lock() srcu: Simple cleanup for cleanup_srcu_struct() srcu: Add might_sleep() annotation to synchronize_srcu() srcu: Simplify __srcu_read_unlock() via this_cpu_dec() rcu: Allow rcutorture to be built at low optimization levels rcu: Make rcutorture's shuffler task shuffle recently added tasks rcu: Allow TREE_PREEMPT_RCU on UP systems rcu: Provide RCU CPU stall warnings for tiny RCU context_tracking: Add comments on interface and internals rcu: Remove obsolete Kconfig option from comment rcu: Remove unused code originally used for context tracking rcu: Consolidate debugging Kconfig options rcu: Correct 'optimized' to 'optimize' in header comment rcu: Trace callback acceleration rcu: Tag callback lists with corresponding grace-period number rcutorture: Don't compare ptr with 0 ...
2013-02-19hwmon: (ntc_thermistor): Fix sparse warningsSachin Kamat
Fixes the following sparse warnings: drivers/hwmon/ntc_thermistor.c:46:31: warning: symbol 'ncpXXwb473' was not declared. Should it be static? drivers/hwmon/ntc_thermistor.c:82:31: warning: symbol 'ncpXXwl333' was not declared. Should it be static? Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-02-19hwmon: (adt7410) Add device table entry for the adt7420Lars-Peter Clausen
The adt7420 is software compatible to the adt7410. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-02-19hwmon: (adt7410) Use I2C_ADDRS helper macroLars-Peter Clausen
Use the I2C_ADDRS macro to initialize the I2C device's address_list. Doing so saves a few lines of boilerplate code. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-02-19hwmon: (adt7410) Use the SIMPLE_DEV_PM_OPS helper macroLars-Peter Clausen
Use the SIMPLE_DEV_PM_OPS macro to declare the driver's pm_ops. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-02-19hwmon: (adt7410) Let suspend/resume depend on CONFIG_PM_SLEEPLars-Peter Clausen
Only build the suspend/resume code if CONFIG_PM_SLEEP is selected. Currently the code is built if CONFIG_PM is selected, but it will also be selected if only runtime PM support is built into the kernel. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-02-19hwmon: (adt7410) Clear unwanted bits in the config registerLars-Peter Clausen
Make sure to clear the mode bits from the config register before setting the new mode. Otherwise we might end up with a different mode than we want to. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Hartmut Knaack <knaack.h@gmx.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-02-19Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
2013-02-19ppp: set qdisc_tx_busylock to avoid LOCKDEP splatEric Dumazet
If a qdisc is installed on a ppp device, its possible to get a lockdep splat under stress, because nested dev_queue_xmit() can lock busylock a second time (on a different device, so its a false positive) Avoid this problem using a distinct lock_class_key for ppp devices. Reported-by: Yanko Kaneti <yaneti@declera.com> Tested-by: Yanko Kaneti <yaneti@declera.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-19atl1c: restore buffer stateHuang, Xiong
in the previous commit : f1f220ea1dda078, the BUSY state of buffer is wrongly deleted. this patch just restore it. Signed-off-by: xiong <xiong@qca.qualcomm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-19net: fix a build failure when !CONFIG_PROC_FSCong Wang
When !CONFIG_PROC_FS dev_mcast_init() is not defined, actually we can just merge dev_mcast_init() into dev_proc_init(). Reported-by: Gao feng <gaofeng@cn.fujitsu.com> Cc: Gao feng <gaofeng@cn.fujitsu.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-19net: ipv4: fix waring -Wunused-variableGao feng
the vars ip_rt_gc_timeout is used only when CONFIG_SYSCTL is selected. move these vars into CONFIG_SYSCTL. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-19net: proc: fix build failed when procfs is not configuredGao feng
commit d4beaa66add8aebf83ab16d2fde4e4de8dac36df "net: proc: change proc_net_fops_create to proc_create" uses proc_create to replace proc_net_fops_create, when CONFIG_PROC isn't configured, some build error will occurs. net/packet/af_packet.c: In function 'packet_net_init': net/packet/af_packet.c:3831:48: error: 'packet_seq_fops' undeclared (first use in this function) net/packet/af_packet.c:3831:48: note: each undeclared identifier is reported only once for each function it appears in There may be other build fails like above,this patch change proc_create from function to macros when CONFIG_PROC is not configured,just like what proc_net_fops_create did before this commit. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-19workqueue: un-GPL function delayed_work_timer_fn()Konstantin Khlebnikov
commit d8e794dfd51c368ed3f686b7f4172830b60ae47b ("workqueue: set delayed_work->timer function on initialization") exports function delayed_work_timer_fn() only for GPL modules. This makes delayed-works unusable for non-GPL modules, because initialization macro now requires GPL symbol. For example schedule_delayed_work() available for non-GPL. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org # 3.7
2013-02-19Revert "xen: netback: remove redundant xenvif_put"David S. Miller
This reverts commit d37204566a61d5116d385ae909db8e14a734b30f. This change is incorrect, as per Jan Beulich: ==================== But this is wrong from all we can tell, we discussed this before (Wei pointed to the discussion in an earlier reply). The core of it is that the put here parallels the one in netbk_tx_err(), and the one in xenvif_carrier_off() matches the get from xenvif_connect() (which normally would be done on the path coming through xenvif_disconnect()). ==================== And a previous discussion of this issue is at: http://marc.info/?l=xen-devel&m=136084174026977&w=2 Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-19Merge remote-tracking branch 'regulator/topic/tps65090' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/tps6507x' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/tps51632' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/s5m8767' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/palmas' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/of' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/mc13892' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/max8998' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/max8997' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/max77686' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/lp8788' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/lp8755' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/lp872x' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/lp3972' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/lp3971' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/gpio' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/da9055' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/core' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/as3711' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/arizona' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/apply' into regulator-nextMark Brown
2013-02-19Merge remote-tracking branch 'regulator/topic/anatop' into regulator-nextMark Brown
2013-02-19MIPS: remove broken conditional inside vpe loader codeJohn Crispin
The commit [1] breaks builds and results in the following error arch/mips/kernel/vpe.c: In function 'vpe_run': arch/mips/kernel/vpe.c:708:16: error: invalid type argument of '->' (have 'struct list_head') Taking a closer look at the conditional we notice that list_first_entry wont ever return NULL. The easiest fix is to just drop the dead code. [1] commit 3d2d03247632920aa21b42a0b032a4ffd44ce15e MIPS: vpe.c: Fix null pointer dereference in print arguments. Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: SMTC: fix implicit declaration of set_vi_handlerFlorian Fainelli
This patch fixes the following implicit declaration while building with MIPS SMTC support enabled: arch/mips/kernel/smtc.c: In function 'setup_cross_vpe_interrupts': arch/mips/kernel/smtc.c:1205:2: error: implicit declaration of function 'set_vi_handler' [-Werror=implicit-function-declaration] cc1: all warnings being treated as errors Signed-off-by: Florian Fainelli <florian@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4931/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: early_printk: drop __init annotationsAaro Koskinen
We cannot use __init for earlyprintk code or data, since the kernel parameter "keep_bootcon" allows leaving the boot console enabled. Currently MIPS will crash/hang/die if you use keep_bootcon. The patch fixes it at least on Lemote FuLoong mini-PC. Changes for other boards were done based on what I could find with grep... Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Patchwork: http://patchwork.linux-mips.org/patch/4935/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: Probe for and report hardware virtualization support.David Daney
The presence of the MIPS Virtualization Application-Specific Extension is indicated by CP0_Config3[23]. Probe for this and report it in /proc/cpuinfo. Signed-off-by: David Daney <david.daney@cavium.com> Patchwork: http://patchwork.linux-mips.org/patch/4904/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: add support for the Qualcomm Atheros AP136-010 boardGabor Juhos
Also enable the board in the default configuration. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4953/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: add USB controller registration code for the QCA955X SoCsGabor Juhos
Register platfom devices for the built-in USB controllers of the SoCs. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4952/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: add PCI controller registration code for the QCA955X SoCsGabor Juhos
Add SoC specific PCI IRQ map, and register platform devices for the two built-in PCIe RCs. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4951/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: add WMAC registration code for the QCA955X SoCsGabor Juhos
The SoC has a built-in wireless MAC. Register a platform device for that to make it usable with the ath9k driver. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4956/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: register UART for the QCA955X SoCsGabor Juhos
Similarly to the preceding SoCs, the QCA955X SoCs also have a built-in NS16650 compatible UART. Register the platform device for that to make it usable. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4949/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: add QCA955X specific glue to ath79_device_reset_{set, clear}Gabor Juhos
The ath79_device_reset_* are causing BUG when those are used on the QCA955x SoCs. The patch adds the required code to avoid that. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4948/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: add GPIO setup code for the QCA955X SoCsGabor Juhos
The existing code can handle the GPIO controller of the QCA955x SoCs. Add a minimal glue code to make it working. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4947/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-19MIPS: ath79: add IRQ handling code for the QCA955X SoCsGabor Juhos
The IRQ routing in the QCA955x SoCs is slightly different from the routing implemented in the already supported SoCs. Cc: Rodriguez, Luis <rodrigue@qca.qualcomm.com> Cc: Giori, Kathy <kgiori@qca.qualcomm.com> Cc: QCA Linux Team <qca-linux-team@qca.qualcomm.com> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4955/ Signed-off-by: John Crispin <blogic@openwrt.org>
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