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2011-11-08regmap: Track if the register cache is dirty and suppress unneeded syncsMark Brown
Allow drivers to optimise out the register cache sync if they didn't need to do one. If the hardware is desynced from the register cache (by power loss for example) then the driver should call regcache_mark_dirty() to let the core know about this. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-11-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (47 commits) forcedeth: fix a few sparse warnings (variable shadowing) forcedeth: Improve stats counters forcedeth: remove unneeded stats updates forcedeth: Acknowledge only interrupts that are being processed forcedeth: fix race when unloading module MAINTAINERS/rds: update maintainer wanrouter: Remove kernel_lock annotations usbnet: fix oops in usbnet_start_xmit ixgbe: Fix compile for kernel without CONFIG_PCI_IOV defined etherh: Add MAINTAINERS entry for etherh bonding: comparing a u8 with -1 is always false sky2: fix regression on Yukon Optima netlink: clarify attribute length check documentation netlink: validate NLA_MSECS length i825xx:xscale:8390:freescale: Fix Kconfig dependancies macvlan: receive multicast with local address tg3: Update version to 3.121 tg3: Eliminate timer race with reset_task tg3: Schedule at most one tg3_reset_task run tg3: Obtain PCI function number from device ...
2011-11-07forcedeth: fix a few sparse warnings (variable shadowing)david decotigny
This fixes the following sparse warnings: drivers/net/ethernet/nvidia/forcedeth.c:2113:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2102:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2155:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2102:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2227:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2215:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2271:7: warning: symbol 'size' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2215:6: originally declared here drivers/net/ethernet/nvidia/forcedeth.c:2986:20: warning: symbol 'addr' shadows an earlier one drivers/net/ethernet/nvidia/forcedeth.c:2963:6: originally declared here Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-07forcedeth: Improve stats countersMandeep Baines
Rx byte count was off; instead use the hardware's count. Tx packet count was counting pre-TSO packets; instead count on-the-wire packets. Report hardware dropped frame count as rx_fifo_errors. - The count of transmitted packets reported by the forcedeth driver reports pre-TSO (TCP Segmentation Offload) packet counts and not the count of the number of packets sent on the wire. This change fixes the forcedeth driver to report the correct count. Fixed the code by copying the count stored in the NIC H/W to the value reported by the driver. - Count rx_drop_frame errors as rx_fifo_errors: We see a lot of rx_drop_frame errors if we disable the rx bottom-halves for too long. Normally, rx_fifo_errors would be counted in this case. The rx_drop_frame error count is private to forcedeth and is not reported by ifconfig or sysfs. The rx_fifo_errors count is currently unused in the forcedeth driver. It is reported by ifconfig as overruns. This change reports rx_drop_frame errors as rx_fifo_errors. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-07forcedeth: remove unneeded stats updatesdavid decotigny
Function ndo_get_stats() updates most of the stats from hardware registers, making the manual updates un-needed. This change removes these manual updates. Main exception is rx_missed_errors which needs manual update. Another exception is rx_packets, still updated manually in this commit to make sure this patch doesn't change behavior of driver. This will be addressed by a future patch. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-07forcedeth: Acknowledge only interrupts that are being processedMike Ditto
This is to avoid a race, accidentally acknowledging an interrupt that we didn't notice and won't immediately process. This is based solely on code inspection; it is not known if there was an actual bug here. Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-07forcedeth: fix race when unloading moduledavid decotigny
When forcedeth module is unloaded, there exists a path that can lead to mod_timer() after del_timer_sync(), causing an oops. This patch short-circuits this unneeded path, which originates in nv_get_ethtool_stats(). Tested: x86_64 16-way + 3 ethtool -S infinite loops + 100Mbps incoming traffic + rmmod/modprobe/ifconfig in a loop Initial-Author: Salman Qazi <sqazi@google.com> Discussion: http://patchwork.ozlabs.org/patch/123548/ Signed-off-by: David Decotigny <david.decotigny@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-07device-mapper: using EXPORT_SYBOL in dm-space-map-checker.c needs export.hStephen Rothwell
Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-07device-mapper: dm-bufio.c needs to include module.hStephen Rothwell
since it uses the module facilities. Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-07drivers/md: change module.h -> export.h in persistent-data/dm-*Paul Gortmaker
For the files which are not themselves modular, we can change them to include only the smaller export.h since all they are doing is looking for EXPORT_SYMBOL. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-07usbnet: fix oops in usbnet_start_xmitKonstantin Khlebnikov
This patch fixes the bug added in commit v3.1-rc7-1055-gf9b491e SKB can be NULL at this point, at least for cdc-ncm. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-07ixgbe: Fix compile for kernel without CONFIG_PCI_IOV definedRose, Gregory V
Fix compiler errors and warnings with CONFIG_PCI_IOV defined and not defined. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-07Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: cpuidle: Single/Global registration of idle states cpuidle: Split cpuidle_state structure and move per-cpu statistics fields cpuidle: Remove CPUIDLE_FLAG_IGNORE and dev->prepare() cpuidle: Move dev->last_residency update to driver enter routine; remove dev->last_state ACPI: Fix CONFIG_ACPI_DOCK=n compiler warning ACPI: Export FADT pm_profile integer value to userspace thermal: Prevent polling from happening during system suspend ACPI: Drop ACPI_NO_HARDWARE_INIT ACPI atomicio: Convert width in bits to bytes in __acpi_ioremap_fast() PNPACPI: Simplify disabled resource registration ACPI: Fix possible recursive locking in hwregs.c ACPI: use kstrdup() mrst pmu: update comment tools/power turbostat: less verbose debugging
2011-11-07Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (40 commits) vmwgfx: Snoop DMA transfers with non-covering sizes vmwgfx: Move the prefered mode first in the list vmwgfx: Unreference surface on cursor error path vmwgfx: Free prefered mode on error path vmwgfx: Use pointer return error codes vmwgfx: Fix hw cursor position vmwgfx: Infrastructure for explicit placement vmwgfx: Make the preferred autofit mode have a 60Hz vrefresh vmwgfx: Remove screen object active list vmwgfx: Screen object cleanups drm/radeon/kms: consolidate GART code, fix segfault after GPU lockup V2 drm/radeon/kms: don't poll forever if MC GDDR link training fails drm/radeon/kms: fix DP setup on TRAVIS bridges drm/radeon/kms: set HPD polarity in hpd_init() drm/radeon/kms: add MSI module parameter drm/radeon/kms: Add MSI quirk for Dell RS690 drm/radeon/kms: Add MSI quirk for HP RS690 drm/radeon/kms: split MSI check into a separate function vmwgfx: Reinstate the update_layout ioctl drm/radeon/kms: always do extended edid probe ...
2011-11-07Merge git://git.infradead.org/mtd-2.6Linus Torvalds
* git://git.infradead.org/mtd-2.6: (226 commits) mtd: tests: annotate as DANGEROUS in Kconfig mtd: tests: don't use mtd0 as a default mtd: clean up usage of MTD_DOCPROBE_ADDRESS jffs2: add compr=lzo and compr=zlib options jffs2: implement mount option parsing and compression overriding mtd: nand: initialize ops.mode mtd: provide an alias for the redboot module name mtd: m25p80: don't probe device which has status of 'disabled' mtd: nand_h1900 never worked mtd: Add DiskOnChip G3 support mtd: m25p80: add EON flash EN25Q32B into spi flash id table mtd: mark block device queue as non-rotational mtd: r852: make r852_pm_ops static mtd: m25p80: add support for at25df321a spi data flash mtd: mxc_nand: preset_v1_v2: unlock all NAND flash blocks mtd: nand: switch `check_pattern()' to standard `memcmp()' mtd: nand: invalidate cache on unaligned reads mtd: nand: do not scan bad blocks with NAND_BBT_NO_OOB set mtd: nand: wait to set BBT version mtd: nand: scrub BBT on ECC errors ... Fix up trivial conflicts: - arch/arm/mach-at91/board-usb-a9260.c Merged into board-usb-a926x.c - drivers/mtd/maps/lantiq-flash.c add_mtd_partitions -> mtd_device_register vs changed to use mtd_device_parse_register.
2011-11-07vmwgfx: Snoop DMA transfers with non-covering sizesJakob Bornecrantz
Enough to get cursors working under Wayland. Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Move the prefered mode first in the listJakob Bornecrantz
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Unreference surface on cursor error pathJakob Bornecrantz
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Free prefered mode on error pathJakob Bornecrantz
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Use pointer return error codesJakob Bornecrantz
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Fix hw cursor positionThomas Hellstrom
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Infrastructure for explicit placementThomas Hellstrom
Make it possible to use explicit placement (although not hooked up with a user-space interface yet) and relax the single framebuffer limit to only apply to implicit placement. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Make the preferred autofit mode have a 60Hz vrefreshThomas Hellstrom
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Remove screen object active listThomas Hellstrom
It isn't used for anything. Replace with an active bool. Also make a couple of functions return void instead of int since their return value wasn't checked anyway. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakbo Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-07vmwgfx: Screen object cleanupsThomas Hellstrom
Remove unused member. No need to pin / unpin fb. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-11-06Revert "hvc_console: display printk messages on console."Linus Torvalds
This reverts commit 361162459f62dc0826b82c9690a741a940f457f0. It causes an infinite loop when booting Linux under Xen, as so: [ 2.382984] console [hvc0] enabled [ 2.382984] console [hvc0] enabled [ 2.382984] console [hvc0] enabled ... as reported by Konrad Rzeszutek Wilk. And Rusty reports the same for lguest. He goes on to say: "This is not a concurrency problem: the issue seems to be that calling register_console() twice on the same struct console is a bad idea." and Greg says he'll fix it up properly at some point later. Revert for now. Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reported-by: Rusty Russell <rusty@ozlabs.org> Requested-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Miche Baker-Harvey <miche@google.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-06powerpc: fix building hvc_opal.cMichael Neuling
Fix building following build error: drivers/tty/hvc/hvc_opal.c:244:12: error: 'THIS_MODULE' undeclared here (not in a function) Signed-off-by: Michael Neuling <mikey@neuling.org> [ New file from powerpc tree not following the new rules from the module.h split, both of which were merged today. - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-06Merge branch 'stable/cleanups-3.2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/cleanups-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: use static initializers in xen-balloon.c Xen: fix braces and tabs coding style issue in xenbus_probe.c Xen: fix braces coding style issue in xenbus_probe.h Xen: fix whitespaces,tabs coding style issue in drivers/xen/pci.c Xen: fix braces coding style issue in gntdev.c and grant-table.c Xen: fix whitespaces,tabs coding style issue in drivers/xen/events.c Xen: fix whitespaces,tabs coding style issue in drivers/xen/balloon.c Fix up trivial whitespace-conflicts in drivers/xen/{balloon.c,pci.c,xenbus/xenbus_probe.c}
2011-11-06Merge branch 'modsplit-Oct31_2011' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux * 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits) Revert "tracing: Include module.h in define_trace.h" irq: don't put module.h into irq.h for tracking irqgen modules. bluetooth: macroize two small inlines to avoid module.h ip_vs.h: fix implicit use of module_get/module_put from module.h nf_conntrack.h: fix up fallout from implicit moduleparam.h presence include: replace linux/module.h with "struct module" wherever possible include: convert various register fcns to macros to avoid include chaining crypto.h: remove unused crypto_tfm_alg_modname() inline uwb.h: fix implicit use of asm/page.h for PAGE_SIZE pm_runtime.h: explicitly requires notifier.h linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h miscdevice.h: fix up implicit use of lists and types stop_machine.h: fix implicit use of smp.h for smp_processor_id of: fix implicit use of errno.h in include/linux/of.h of_platform.h: delete needless include <linux/module.h> acpi: remove module.h include from platform/aclinux.h miscdevice.h: delete unnecessary inclusion of module.h device_cgroup.h: delete needless include <linux/module.h> net: sch_generic remove redundant use of <linux/module.h> net: inet_timewait_sock doesnt need <linux/module.h> ... Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in - drivers/media/dvb/frontends/dibx000_common.c - drivers/media/video/{mt9m111.c,ov6650.c} - drivers/mfd/ab3550-core.c - include/linux/dmaengine.h
2011-11-06Merge branches 'acpi', 'idle', 'mrst-pmu' and 'pm-tools' into nextLen Brown
2011-11-06Merge branches 'atomic-io', 'lockdep', 'misc', 'pm-profile' and ↵Len Brown
'pnp-cleanup' into acpi
2011-11-06Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: target: use ->exectute_task for all CDB emulation target: remove SCF_EMULATE_CDB_ASYNC target: refactor transport_emulate_control_cdb target: pass the se_task to the CDB emulation callback target: split core_scsi3_emulate_pr target: split core_scsi2_emulate_crh target: Add generic active I/O shutdown logic target: add back error handling in transport_complete_task target/pscsi: blk_make_request() returns an ERR_PTR() target: Remove core TRANSPORT_FREE_CMD_INTR usage target: Make TFO->check_stop_free return free status iscsi-target: Fix non-immediate TMR handling iscsi-target: Add missing CMDSN_LOWER_THAN_EXP check in iscsit_handle_scsi_cmd target: Avoid double list_del for aborted se_tmr_req target: Minor cleanups to core_tmr_drain_tmr_list target: Fix wrong se_tmr being added to drain_tmr_list target: Fix incorrect se_cmd assignment in core_tmr_drain_tmr_list target: Check -ENOMEM to signal QUEUE_FULL from fabric callbacks tcm_loop: Add explict read buffer memset for SCF_SCSI_CONTROL_SG_IO_CDB target: Fix compile warning w/ missing module.h include
2011-11-06Merge branch 'trivial' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild * 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scsi: drop unused Kconfig symbol pci: drop unused Kconfig symbol stmmac: drop unused Kconfig symbol x86: drop unused Kconfig symbol powerpc: drop unused Kconfig symbols powerpc: 40x: drop unused Kconfig symbol mips: drop unused Kconfig symbols openrisc: drop unused Kconfig symbols arm: at91: drop unused Kconfig symbol samples: drop unused Kconfig symbol m32r: drop unused Kconfig symbol score: drop unused Kconfig symbols sh: drop unused Kconfig symbol um: drop unused Kconfig symbol sparc: drop unused Kconfig symbol alpha: drop unused Kconfig symbol Fix up trivial conflict in drivers/net/ethernet/stmicro/stmmac/Kconfig as per Michal: the STMMAC_DUAL_MAC config variable is still unused and should be deleted.
2011-11-06hid/apple: modern macbook airs use the standard apple function key translationsLinus Torvalds
This removes the use of the special "macbookair_fn_keys" keyboard translation table for the MacBookAir4,x models (ie the 2011 refresh). They use the standard apple_fn_keys[] translation. Apparently only the old MacBook Air's need a different translation table. This mirrors the change that commit da617c7cb915 ("HID: consolidate MacbookAir 4,1 mappings") did for the WELLSPRING6A ones, but does it for the WELLSPRING6 model used on the MacBookAir4,2. Reported-and-tested-by: Dirk Hohndel <hohndel@infradead.org> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Joshua V Dillon <jvdillon@gmail.com> Cc: Chase Douglas <chase.douglas@canonical.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-06Merge branch 'stable/vmalloc-3.2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/vmalloc-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: net: xen-netback: use API provided by xenbus module to map rings block: xen-blkback: use API provided by xenbus module to map rings xen: use generic functions instead of xen_{alloc, free}_vm_area()
2011-11-06cpuidle: Single/Global registration of idle statesDeepthi Dharwar
This patch makes the cpuidle_states structure global (single copy) instead of per-cpu. The statistics needed on per-cpu basis by the governor are kept per-cpu. This simplifies the cpuidle subsystem as state registration is done by single cpu only. Having single copy of cpuidle_states saves memory. Rare case of asymmetric C-states can be handled within the cpuidle driver and architectures such as POWER do not have asymmetric C-states. Having single/global registration of all the idle states, dynamic C-state transitions on x86 are handled by the boot cpu. Here, the boot cpu would disable all the devices, re-populate the states and later enable all the devices, irrespective of the cpu that would receive the notification first. Reference: https://lkml.org/lkml/2011/4/25/83 Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Signed-off-by: Trinabh Gupta <g.trinabh@gmail.com> Tested-by: Jean Pihet <j-pihet@ti.com> Reviewed-by: Kevin Hilman <khilman@ti.com> Acked-by: Arjan van de Ven <arjan@linux.intel.com> Acked-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06cpuidle: Split cpuidle_state structure and move per-cpu statistics fieldsDeepthi Dharwar
This is the first step towards global registration of cpuidle states. The statistics used primarily by the governor are per-cpu and have to be split from rest of the fields inside cpuidle_state, which would be made global i.e. single copy. The driver_data field is also per-cpu and moved. Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Signed-off-by: Trinabh Gupta <g.trinabh@gmail.com> Tested-by: Jean Pihet <j-pihet@ti.com> Reviewed-by: Kevin Hilman <khilman@ti.com> Acked-by: Arjan van de Ven <arjan@linux.intel.com> Acked-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06cpuidle: Remove CPUIDLE_FLAG_IGNORE and dev->prepare()Deepthi Dharwar
The cpuidle_device->prepare() mechanism causes updates to the cpuidle_state[].flags, setting and clearing CPUIDLE_FLAG_IGNORE to tell the governor not to chose a state on a per-cpu basis at run-time. State demotion is now handled by the driver and it returns the actual state entered. Hence, this mechanism is not required. Also this removes per-cpu flags from cpuidle_state enabling it to be made global. Reference: https://lkml.org/lkml/2011/3/25/52 Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm> Signed-off-by: Trinabh Gupta <g.trinabh@gmail.com> Tested-by: Jean Pihet <j-pihet@ti.com> Acked-by: Arjan van de Ven <arjan@linux.intel.com> Reviewed-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06cpuidle: Move dev->last_residency update to driver enter routine; remove ↵Deepthi Dharwar
dev->last_state Cpuidle governor only suggests the state to enter using the governor->select() interface, but allows the low level driver to override the recommended state. The actual entered state may be different because of software or hardware demotion. Software demotion is done by the back-end cpuidle driver and can be accounted correctly. Current cpuidle code uses last_state field to capture the actual state entered and based on that updates the statistics for the state entered. Ideally the driver enter routine should update the counters, and it should return the state actually entered rather than the time spent there. The generic cpuidle code should simply handle where the counters live in the sysfs namespace, not updating the counters. Reference: https://lkml.org/lkml/2011/3/25/52 Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Signed-off-by: Trinabh Gupta <g.trinabh@gmail.com> Tested-by: Jean Pihet <j-pihet@ti.com> Reviewed-by: Kevin Hilman <khilman@ti.com> Acked-by: Arjan van de Ven <arjan@linux.intel.com> Acked-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06ACPI: Export FADT pm_profile integer value to userspaceThomas Renninger
There are a lot userspace approaches to detect the usage of the platform (laptop, workstation, server, ...) and adjust kernel tunables accordingly (io/process scheduler, power management, ...). These approaches need constant maintaining and are ugly to implement (detect PCMCIA controller -> laptop, does not work on recent systems anymore, ...) On ACPI systems there is an easy and reliable way (if implemented in BIOS and most recent platforms have this value set). -> export it to userspace. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06thermal: Prevent polling from happening during system suspendRafael J. Wysocki
The thermal driver should use a freezable workqueue to schedule polling to prevent thermal_zone_device_update() from being run during system suspend, when the devices it relies on may be inactive. Make it use the system freezable workqueue for this purpose. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06ACPI: Drop ACPI_NO_HARDWARE_INITRafael J. Wysocki
ACPI_NO_HARDWARE_INIT is only used by acpi_early_init() and acpi_bus_init() when calling acpi_enable_subsystem(), but acpi_enable_subsystem() doesn't check that flag, so it can be dropped. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06ACPI atomicio: Convert width in bits to bytes in __acpi_ioremap_fast()Luck, Tony
Callers to __acpi_ioremap_fast() pass the bit_width that they found in the acpi_generic_address structure. Convert from bits to bytes when passing to __acpi_find_iomap() - as it wants to see bytes, not bits. cc: stable@kernel.org Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06Merge branch 'rmobile-latest' of git://github.com/pmundt/linux-shLinus Torvalds
* 'rmobile-latest' of git://github.com/pmundt/linux-sh: (21 commits) ARM: mach-shmobile: ag5evm needs CONFIG_I2C ARM: mach-shmobile: sh73a0 and AG5EVM PINT support ARM: mach-shmobile: Add support for PINT though INTC macros ARM: mach-shmobile: SDHI0 GPIO hotplug for AG5EVM ARM: mach-shmobile: Use common INTC IRQ code on sh73a0 ARM: mach-shmobile: Use common INTC IRQ code on sh7372 ARM: mach-shmobile: Use common INTC IRQ code on sh7377 ARM: mach-shmobile: Use common INTC IRQ code on sh7367 ARM: mach-shmobile: sh73a0 GPIO IRQ support ARM: sh7372 ap4evb NOR Flash USB boot fix ARM: mach-shmobile: sh7372 Mackerel NOR Flash USB boot fix sh: intc: Allow triggering on both edges for ARM SoCs ARM: mach-shmobile: Break out INTC IRQ code ARM: mach-shmobile: Kota2 SDHI0 and SDHI1 support ARM: mach-shmobile: Kota2 SCIFA4 and SCIFB support ARM: mach-shmobile: Kota2 MMCIF support ARM: mach-shmobile: Kota2 GPIO LEDs support ARM: mach-shmobile: Kota2 GPIO Keys support ARM: mach-shmobile: Kota2 KEYSC support ARM: mach-shmobile: Kota2 SCIFA2 and SMSC911X support ...
2011-11-06PNPACPI: Simplify disabled resource registrationWitold Szczeponik
The attached patch simplifies 29df8d8f8702f0f53c1375015f09f04bc8d023c1. As the "pnp_xxx" structs are not designed to cope with IORESOURCE_DISABLED, and hence no code can test for this value, setting this value is actually a "no op" and can be skipped altogether. It is sufficient to remove the checks for "empty" resources and continue processing. The patch is applied against 3.1. Signed-off-by: Witold Szczeponik <Witold.Szczeponik@gmx.net> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (106 commits) powerpc/p3060qds: Add support for P3060QDS board powerpc/83xx: Add shutdown request support to MCU handling on MPC8349 MITX powerpc/85xx: Make kexec to interate over online cpus powerpc/fsl_booke: Fix comment in head_fsl_booke.S powerpc/85xx: issue 15 EOI after core reset for FSL CoreNet devices powerpc/8xxx: Fix interrupt handling in MPC8xxx GPIO driver powerpc/85xx: Add 'fsl,pq3-gpio' compatiable for GPIO driver powerpc/86xx: Correct Gianfar support for GE boards powerpc/cpm: Clear muram before it is in use. drivers/virt: add ioctl for 32-bit compat on 64-bit to fsl-hv-manager powerpc/fsl_msi: add support for "msi-address-64" property powerpc/85xx: Setup secondary cores PIR with hard SMP id powerpc/fsl-booke: Fix settlbcam for 64-bit powerpc/85xx: Adding DCSR node to dtsi device trees powerpc/85xx: clean up FPGA device tree nodes for Freecsale QorIQ boards powerpc/85xx: fix PHYS_64BIT selection for P1022DS powerpc/fsl-booke: Fix setup_initial_memory_limit to not blindly map powerpc: respect mem= setting for early memory limit setup powerpc: Update corenet64_smp_defconfig powerpc: Update mpc85xx/corenet 32-bit defconfigs ... Fix up trivial conflicts in: - arch/powerpc/configs/40x/hcu4_defconfig removed stale file, edited elsewhere - arch/powerpc/include/asm/udbg.h, arch/powerpc/kernel/udbg.c: added opal and gelic drivers vs added ePAPR driver - drivers/tty/serial/8250.c moved UPIO_TSI to powerpc vs removed UPIO_DWAPB support
2011-11-06ACPI: Fix possible recursive locking in hwregs.cRakib Mullick
Calling pm-suspend might trigger a recursive lock in it's code path. In function acpi_hw_clear_acpi_status, acpi_os_acquire_lock holds the lock acpi_gbl_hardware_lock before calling acpi_hw_register_write(), then without releasing acpi_gbl_hardware_lock, this function calls acpi_ev_walk_gpe_list, which tries to hold acpi_gbl_gpe_lock. Both acpi_gbl_hardware_lock and acpi_gbl_gpe_lock are at same lock-class and which might cause lock recursion deadlock. Following patch fixes this scenario by just releasing acpi_gbl_hardware_lock before calling acpi_ev_walk_gpe_list. Changes since v0(https://lkml.org/lkml/2011/9/21/355): - Fix changelog, thanks to Lin Ming. Changes since v1 (https://lkml.org/lkml/2011/11/3/89): - Update changelog and rename goto label, courtesy Srivatsa S. Bhat. Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06Merge branch 'fixes' of ↵Linus Torvalds
http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm * 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: ARM: PXA: fix includes in pxa2xx_cm_x2xx PCMCIA driver ARM: PXA: fix gpio-pxa.h build errors ARM: 7142/1: davinci: mark GPIO implementation complex ARM: 7134/1: Revert "EXYNOS4: Fix routing timer interrupt to offline CPU" ARM: PXA: eseries: fix eseries_register_clks section mismatch warning ARM: PXA: fix lubbock PCMCIA driver build error
2011-11-06ACPI: use kstrdup()Thomas Meyer
Use kstrdup rather than duplicating its implementation The semantic patch that makes this output is available in scripts/coccinelle/api/kstrdup.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/ Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Len Brown <len.brown@intel.com>
2011-11-06hwmon: (w83627ehf) Fix broken driver initGuenter Roeck
Commit 2265cef2 (hwmon: (w83627ehf) Properly report PECI and AMD-SI sensor types) results in kernel panic if data->temp_label was not initialized. The problem was found with chip W83627DHG-P. Add check if data->temp->label was set before use. Based on incomplete patch by Alexander Beregalov. Reported-by: Alexander Beregalov <a.beregalov@gmail.com> Tested-by: Alexander Beregalov <a.beregalov@gmail.com> Cc: stable@kernel.org Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
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