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2013-06-26Merge tag 'please-pull-mce-bitmap-comment' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/ras Pull MCE updates from Tony Luck: "Better comments so we understand our existing machine check bank bitmaps - prelude to adding another bitmap soon." Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-06-26serial: sh-sci: Initialise variables before access in sci_set_termios()Simon Horman
This change addresses two warnings that are flagged by gcc relating to potential access to the ssr and cks variables while they are uninitialised. I have addressed this by initialising the values to the defaults present in sci_baud_calc_hscif(). It is my analysis that cks is always initialised if used but that without this change ssr may be accessed while uninitialised. The code altered by this patch was introduced by commit f303b364b41d3fc5bf879799128958400b7859aa ("serial: sh-sci: HSCIF support"). Reported-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-26ALSA: ak4xx-adda: info leak in ak4xxx_capture_source_info()Dan Carpenter
"idx" is controled by the user and can be a negative offset into the input_names[] array. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-06-26ARC: pt_regs update #5: Use real ECR for pt_regs->event vs. synth valuesVineet Gupta
pt_regs->event was set with artificial values to identify the low level system event (syscall trap / breakpoint trap / exceptions / interrupts) With r8 saving out of the way, the full word can be used to save real ECR (Exception Cause Register) which helps idenify the event naturally, including additional info such as cause code, param. Only for Interrupts, where ECR is not applicable, do we resort to synthetic non ECR values. SAVE_ALL_TRAP/EXCEPTIONS can now be merged as they both use ECR with different runtime values. The ptrace helpers now use the sub-fields of ECR to distinguish the events (e.g. vector 0x25 is trap, param 0 is syscall...) The following benefits will follow: (1) This centralizes the location of where ECR is saved and will allow the cleanup of task->thread.cause_code ECR placeholder which is set in non-uniform way. Then ARC VM code can safely rely on it being there for purpose of finer grained VM_EXEC dcache flush (based on exec fault: I-TLB Miss) (2) Further, ECR being passed around from low level handlers as arg can be eliminated as it is part of standard reg-file in pt_regs Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2013-06-26ARM: at91: dt: rm9200ek: add spi supportJean-Christophe PLAGNIOL-VILLARD
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-06-26ARM: at91: dt: rm9200: add spi supportJean-Christophe PLAGNIOL-VILLARD
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-06-26ARM: at91/DT: at91sam9n12: add SPI DMA client infosNicolas Ferre
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-06-26ARM: at91/DT: sama5d3: add SPI DMA client infosNicolas Ferre
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Wenyou Yang <wenyou.yang@atmel.com>
2013-06-26ARM: at91/DT: fix SPI compatibility stringNicolas Ferre
In previous version of SPI driver we where using different compatibility stings for finding SPI features. We are now using the IP revision information. So we stay with the unique compatibility string for this driver: "atmel,at91rm9200-spi". Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Tested-by: Wenyou Yang <wenyou.yang@atmel.com>
2013-06-25gpio/omap: don't use linear domain mapping for OMAP1Javier Martinez Canillas
Commit ede4d7a5 ("gpio/omap: convert gpio irq domain to linear mapping") converted the OMAP GPIO driver to use a linear mapping for the GPIO IRQ domain instead of using a legacy mapping. Not using a legacy mapping has a number of benefits but it requires the platform to support SPARSE_IRQ which currently is not supported on OMAP1. So this change caused a regression on OMAP1 platforms [1]. Since this issue is not present on all OMAP2+ platforms, there is no need to revert the driver to use legacy domain mapping for all the platforms. [1]: http://www.mail-archive.com/linux-omap@vger.kernel.org/msg89005.html Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-06-25pch_uart: Add uart_clk selection for the MinnowBoardDarren Hart
Use DMI_BOARD_NAME to determine if we are running on a MinnowBoard and set the uart clock to 50MHz if so. This removes the need to pass the user_uartclk to the kernel at boot time. Signed-off-by: Darren Hart <dvhart@linux.intel.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Peter Waskiewicz <peter.p.waskiewicz.jr@intel.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-25driver core: device.h: fix doc compilation warningsMichael Opdenacker
This patch fixes the below 3 warnings running "make htmldocs", by adding descriptions for recently added structure members: DOCPROC Documentation/DocBook/device-drivers.xml Warning(/work/git.free-electrons.com/users/michael-opdenacker/linux//include/linux/device.h:116): No description found for parameter 'lock_key' Warning(/work/git.free-electrons.com/users/michael-opdenacker/linux//include/linux/device.h:723): No description found for parameter 'cma_area' Warning(/work/git.free-electrons.com/users/michael-opdenacker/linux//include/linux/device.h:723): No description found for parameter 'iommu_group' Don't hesitate to propose better descriptions! Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-25firmware loader: fix another compile warning with PM_SLEEP unsetMing Lei
This patch fixes another compiling warning with PM_SLEEP unset: drivers/base/firmware_class.c:221:29: warning: 'fw_lookup_buf' defined but not used [-Wunused-function] This time I do build kernel with both PM_SLEEP set and unset, and no warning found any more with the patch. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-26MD: Remember the last sync operation that was performedJonathan Brassow
MD: Remember the last sync operation that was performed This patch adds a field to the mddev structure to track the last sync operation that was performed. This is especially useful when it comes to what is recorded in mismatch_cnt in sysfs. If the last operation was "data-check", then it reports the number of descrepancies found by the user-initiated check. If it was a "repair" operation, then it is reporting the number of descrepancies repaired. etc. Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: NeilBrown <neilb@suse.de>
2013-06-26md: fix buglet in RAID5 -> RAID0 conversion.NeilBrown
RAID5 uses a 'per-array' value for the 'size' of each device. RAID0 uses a 'per-device' value - it can be different for each device. When converting a RAID5 to a RAID0 we must ensure that the per-device size of each device matches the per-array size for the RAID5, else the array will change size. If the metadata cannot record a changed per-device size (as is the case with v0.90 metadata) the array could get bigger on restart. This does not cause data corruption, so it not a big issue and is mainly yet another a reason to not use 0.90. Signed-off-by: NeilBrown <neilb@suse.de>
2013-06-25drivers: uio_pdrv_genirq: Use of_match_ptr() macroSachin Kamat
This eliminates having an #ifdef returning NULL for the case when OF is disabled. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-25ARM: OMAP5: voltagedomain data: remove temporary OMAP4 voltage dataNishanth Menon
commit 20d49e9ccfece526db755940721aa13e331936d4 (ARM: OMAP5: voltagedomain data: Add OMAP5 voltage domain data) Introduced dummy volt data for OMAP5 with OMAP4460 voltage information. However with the fixes introduced in later patches commit cd8abed1da91a3250aa4b3857479613a2b446f84 (ARM: OMAP2+: Powerdomain: Remove the need to always have a voltdm associated to a pwrdm) We are no longer restricted in that respect. Further, OPP voltage information is supposed to be provided by dts information. This needs to be added in future patches as various voltage modules are converted to dts. This also fixes the build breakage for voltagedomains54xx_data.c when just OMAP5 SoC is enabled: https://patchwork.kernel.org/patch/2764191/ Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Nishanth Menon <nm@ti.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Tony Lindgren <tony@atomide.com> Cc: linux-omap@vger.kernel.org Signed-off-by: Kevin Hilman <khilman@linaro.org>
2013-06-25net/tg3: Avoid delay during MMIO accessGavin Shan
When the EEH error is the result of a fenced host bridge, MMIO accesses can be very slow (milliseconds) to timeout and return all 1's, thus causing the driver various timeout loops to take way too long and trigger soft-lockup warnings (in addition to taking minutes to recover). It might be worthwhile to check if for any of these cases, ffffffff is a valid possible value, and if not, bail early since that means the HW is either gone or isolated. In the meantime, checking that the PCI channel is offline would be workaround of the problem. Cc: <stable@vger.kernel.org> # v3.0+ Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-25usb: musb: omap2430: make it compile againSebastian Andrzej Siewior
it does not compile since 09fc7d ("usb: musb: fix incorrect usage of resource pointer"). What makes me wonder most is if source of the Tested-by tag :) Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-25usb: chipidea: ci_hdrc_imx: access phy via private dataFabio Estevam
commit ea1418b5f1a (usb: chipidea: i.MX: use devm_usb_get_phy_by_phandle to get phy) causes the USB host to miss the disconnect/connect events. In order to reproduce this problem: - Insert a USB thumb into the USB host port (connection is detected) - Remove it (no disconnect event will be reported) - Insert the USB thumb again (connection is not detected) Fix this problem by accessing the usb_phy structure using the private data instead of accessing a local structure. Tested on a mx28evk board. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-25xhci: Add missing unlocks on error pathsEmil Goode
This patch adds missing unlocks on error paths in the xhci_free_streams and xhci_configure_endpoint functions. Signed-off-by: Emil Goode <emilgoode@gmail.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-25ipv6: check return value of ipv6_get_lladdrHannes Frederic Sowa
We should check the return value of ipv6_get_lladdr in inet6_set_iftoken. A possible situation, which could leave ll_addr unassigned is, when the user removed her link-local address but a global scoped address was already set. In this case the interface would still be IF_READY and not dead. In that case the RS source address is some value from the stack. v2: Daniel Borkmann noted a small indent inconstancy; no semantic changes. Cc: Daniel Borkmann <dborkman@redhat.com> Acked-by: Daniel Borkmann <dborkman@redhat.com> Reviewed-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-25x86, asm, cleanup: Replace open-coded control register values with symbolicH. Peter Anvin
Clean up an unnecessary open-coded control register values. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/n/tip-um7za1nzf6brb17o0h4om6e3@git.kernel.org
2013-06-25x86, processor-flags: Fix the datatypes and add bit number definesH. Peter Anvin
The control registers are unsigned long (32 bits on i386, 64 bits on x86-64), and so make that manifest in the data type for the various constants. Add defines with a _BIT suffix which defines the bit number, as opposed to the bit mask. This should resolve some issues with ~bitmask that Linus discovered. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/n/tip-cwckhbrib2aux1qbteaebij0@git.kernel.org
2013-06-25x86: Rename X86_CR4_RDWRGSFS to X86_CR4_FSGSBASEH. Peter Anvin
Rename X86_CR4_RDWRGSFS to X86_CR4_FSGSBASE to match the SDM. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Gleb Natapov <gleb@redhat.com> Link: http://lkml.kernel.org/n/tip-buq1evi5dpykxx7ak6amaam0@git.kernel.org
2013-06-25x86, flags: Rename X86_EFLAGS_BIT1 to X86_EFLAGS_FIXEDH. Peter Anvin
Bit 1 in the x86 EFLAGS is always set. Name the macro something that actually tries to explain what it is all about, rather than being a tautology. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Gleb Natapov <gleb@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Link: http://lkml.kernel.org/n/tip-f10rx5vjjm6tfnt8o1wseb3v@git.kernel.org
2013-06-25macvtap: fix recovery from gup errorsMichael S. Tsirkin
get user pages might fail partially in macvtap zero copy mode. To recover we need to put all pages that we got, but code used a wrong index resulting in double-free errors. Reported-by: Brad Hubbard <bhubbard@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-25tun: fix recovery from gup errorsMichael S. Tsirkin
get user pages might fail partially in tun zero copy mode. To recover we need to put all pages that we got, but code used a wrong index resulting in double-free errors. Reported-by: Brad Hubbard <bhubbard@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-25powerpc/watchdog: Don't enable interrupt on PPC64 BookETudor Laurentiu
Critical interrupts are not handled on PPC64 BookE machines, so when the first watchdog interrupt fires the machine will freeze without a warning until it's rebooted by the second watchdog trigger. Plus, the interrupt isn't used anyway since the driver expects a usermode app to ping the watchdog periodically. Signed-off-by: Laurentiu Tudor <Laurentiu.Tudor@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-06-26mm/thp: define HPAGE_PMD_* constants as BUILD_BUG() if !THPKirill A. Shutemov
Currently, HPAGE_PMD_* constans rely on PMD_SHIFT regardless of CONFIG_TRANSPARENT_HUGEPAGE. PMD_SHIFT is not defined everywhere (e.g. arm nommu case). It means we can't use anything like this in generic code: if (PageTransHuge(page)) zero_huge_user(page, 0, HPAGE_PMD_SIZE); else clear_highpage(page); For !THP case, PageTransHuge() is 0 and compiler can eliminate zero_huge_user() call. But it still need to be valid C expression, means HPAGE_PMD_SIZE has to expand to something compiler can understand. Previously, HPAGE_PMD_* were defined to BUILD_BUG() for !THP. Let's come back to it. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-06-25gre: fix a possible skb leakEric Dumazet
commit 68c331631143 ("v4 GRE: Add TCP segmentation offload for GRE") added a possible skb leak, because it frees only the head of segment list, in case a skb_linearize() call fails. This patch adds a kfree_skb_list() helper to fix the bug. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Pravin B Shelar <pshelar@nicira.com> Cc: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-25Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless John W. Linville says: ==================== A few more late-breaking fixes hoping for 3.10... Regarding the Bluetooth fix, Gustavo says: "A important fix to 3.10, this patch fixes an issues that was preventing the l2cap info response command to be handled properly." Also for that Bluetooth fix, Johan adds: "Once the code gives up parsing this PDU it also gives up essential parts of the L2CAP connection creation process, i.e. without this patch the stack will fail to establish connections properly." Moving onto ath9k, Felix Fietkau fixes an RCU locking issue in the transmit path. As for ath9k_htc, Sujith Manoharan fixes some authentication timeouts by ensuring that a chip reset is done when IDLE is turned off. I think these are all micro-fixes that shouldn't cause any trouble. Please let me know if there are problems! ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-25linux/const.h: Add _BITUL() and _BITULL()H. Peter Anvin
Add macros for single bit definitions of a specific type. These are similar to the BIT() macro that already exists, but with a few exceptions: 1. The namespace is such that they can be used in uapi definitions. 2. The type is set with the _AC() macro to allow it to be used in assembly. 3. The type is explicitly specified to be UL or ULL. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/n/tip-nbca8p7cg6jyjoit7klh3o91@git.kernel.org
2013-06-25i2c-cpm: Fix to takeback i2c bus master-ship after a collisionSachin Surendran
In case of collision on i2c bus the controller which lost bus mastership stays as a slave for all subsequent transfers. This results in the i2c controller never writing to the bus for future transactions, resulting in i2c transfer timeouts. This fix checks for a collision on last I2C transaction and sets the I2COM_MASTER bit for the new transaction. Signed-off-by: Sachin Surendran <sachin.surendran@alliedtelesis.co.nz> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-06-25ipv6: Process unicast packet with Router Alert by checking flag in skb.YOSHIFUJI Hideaki / 吉藤英明
Router Alert option is marked in skb. Previously, IP6CB(skb)->ra was set to positive value for such packets. Since commit dd3332bf ("ipv6: Store Router Alert option in IP6CB directly."), IP6SKB_ROUTERALERT is set in IP6CB(skb)->flags, and the value of Router Alert option (in network byte order) is set to IP6CB(skb)->ra for such packets. Multicast forwarding path uses that flag and value, but unicast forwarding path does not use the flag and misuses IP6CB(skb)->ra value. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-25powerpc/83xx: use module_i2c_driver to simplify the codeWei Yongjun
Use the module_i2c_driver() macro to make the code smaller and a bit simpler. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Scott Wood <scottwood@freescale.com>
2013-06-25futex: Use freezable blocking callColin Cross
Avoid waking up every thread sleeping in a futex_wait call during suspend and resume by calling a freezable blocking call. Previous patches modified the freezer to avoid sending wakeups to threads that are blocked in freezable blocking calls. This call was selected to be converted to a freezable call because it doesn't hold any locks or release any resources when interrupted that might be needed by another freezing task or a kernel driver during suspend, and is a common site where idle userspace tasks are blocked. Signed-off-by: Colin Cross <ccross@android.com> Cc: Rafael J. Wysocki <rjw@sisk.pl> Cc: arve@android.com Cc: Tejun Heo <tj@kernel.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Darren Hart <dvhart@linux.intel.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Link: http://lkml.kernel.org/r/1367458508-9133-8-git-send-email-ccross@android.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-06-25futex: Take hugepages into account when generating futex_keyZhang Yi
The futex_keys of process shared futexes are generated from the page offset, the mapping host and the mapping index of the futex user space address. This should result in an unique identifier for each futex. Though this is not true when futexes are located in different subpages of an hugepage. The reason is, that the mapping index for all those futexes evaluates to the index of the base page of the hugetlbfs mapping. So a futex at offset 0 of the hugepage mapping and another one at offset PAGE_SIZE of the same hugepage mapping have identical futex_keys. This happens because the futex code blindly uses page->index. Steps to reproduce the bug: 1. Map a file from hugetlbfs. Initialize pthread_mutex1 at offset 0 and pthread_mutex2 at offset PAGE_SIZE of the hugetlbfs mapping. The mutexes must be initialized as PTHREAD_PROCESS_SHARED because PTHREAD_PROCESS_PRIVATE mutexes are not affected by this issue as their keys solely depend on the user space address. 2. Lock mutex1 and mutex2 3. Create thread1 and in the thread function lock mutex1, which results in thread1 blocking on the locked mutex1. 4. Create thread2 and in the thread function lock mutex2, which results in thread2 blocking on the locked mutex2. 5. Unlock mutex2. Despite the fact that mutex2 got unlocked, thread2 still blocks on mutex2 because the futex_key points to mutex1. To solve this issue we need to take the normal page index of the page which contains the futex into account, if the futex is in an hugetlbfs mapping. In other words, we calculate the normal page mapping index of the subpage in the hugetlbfs mapping. Mappings which are not based on hugetlbfs are not affected and still use page->index. Thanks to Mel Gorman who provided a patch for adding proper evaluation functions to the hugetlbfs code to avoid exposing hugetlbfs specific details to the futex code. [ tglx: Massaged changelog ] Signed-off-by: Zhang Yi <zhang.yi20@zte.com.cn> Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn> Tested-by: Ma Chenggong <ma.chenggong@zte.com.cn> Reviewed-by: 'Mel Gorman' <mgorman@suse.de> Acked-by: 'Darren Hart' <dvhart@linux.intel.com> Cc: 'Peter Zijlstra' <peterz@infradead.org> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/000101ce71a6%24a83c5880%24f8b50980%24@com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-06-25ACPI / processor: Drop unused variable from processor_perflib.cLan Tianyu
The count variable in acpi_processor_preregister_performance() is only initalized as 1 for one CPU and incremented when another CPU sharing the same dependency domain is found. It isn't referenced anywhere else, so drop it. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-25mce: acpi/apei: Add comments to clarify usage of the various bitfields in ↵Naveen N. Rao
the MCA subsystem There is some confusion about the 'mce_poll_banks' and 'mce_banks_owned' per-cpu bitmaps. Provide comments so that we all know exactly what these are used for, and why. Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com>
2013-06-25Merge branch 'pm-fixes'Rafael J. Wysocki
* pm-fixes: cpufreq: fix NULL pointer deference at od_set_powersave_bias()
2013-06-25Merge branch 'acpi-fixes'Rafael J. Wysocki
* acpi-fixes: libata-acpi: add back ACPI based hotplug functionality ACPI / dock / PCI: Synchronous handling of dock events for PCI devices PCI / ACPI: Use boot-time resource allocation rules during hotplug ACPI / dock: Initialize ACPI dock subsystem upfront
2013-06-25Merge branch 'sti/soc' into next/lateOlof Johansson
From Srinivas Kandagatla <srinivas.kandagatla@st.com>: This patch-set adds basic support for STMicroelectronics STi series SOCs which includes STiH415 and STiH416 with B2000 and B2020 board support. STiH415 and STiH416 are dual-core ARM Cortex-A9 CPU, designed for use in Set-top-boxes. The SOC support is available in mach-sti which contains support code for STiH415, STiH416 SOCs including the generic board support. The reason for adding two SOCs at this patch set is to show that no new C code is required for second SOC(STiH416) support. * sti/soc: ARM: stih41x: Add B2020 board support ARM: stih41x: Add B2000 board support ARM: sti: Add DEBUG_LL console support ARM: sti: Add STiH416 SOC support ARM: sti: Add STiH415 SOC support Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25Merge branch 'nspire/soc' into next/lateOlof Johansson
From Daniel Tang <dt.tangr@gmail.com> This is the initial platform code for the TI-Nspire graphing calculators. The platform support is rather unspectacular, but still contains platform data for the LCD panel, which will get removed once there is a DT binding for the AMBA CLCD driver. * nspire/soc: arm: Add Initial TI-Nspire support arm: Add device trees for TI-Nspire hardware Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25ARM: stih41x: Add B2020 board supportSrinivas Kandagatla
B2020 ADI board is reference board for STIH415/416 SOCs, it has 2 x UART, 4x USB, 1 x Ethernet, 1 x SATA, 1 x PCIe, and 2GB RAM with standard set-top box IPs. This patch adds initial support to B2020 with STiH415/416 with SBC_UART1 as console and a heard beat LED. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> CC: Stephen Gallimore <stephen.gallimore@st.com> CC: Stuart Menefy <stuart.menefy@st.com> CC: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25ARM: stih41x: Add B2000 board supportSrinivas Kandagatla
B2000 board is reference board for STIH415/416 SOCs, it has 2 x UART, 4x USB, 2 x Ethernet, 1 x SATA, 1 x PCIe, and 1GB RAM. This patch add initial support to b2000 with STiH415/416 with UART2 as console and a heard beat LED. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> CC: Stephen Gallimore <stephen.gallimore@st.com> CC: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25cpufreq: fix NULL pointer deference at od_set_powersave_bias()Jacob Shin
When initializing the default powersave_bias value, we need to first make sure that this policy is running the ondemand governor. Reported-and-tested-by: Tim Gardner <tim.gardner@canonical.com> Signed-off-by: Jacob Shin <jacob.shin@amd.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-25ARM: sti: Add DEBUG_LL console supportSrinivas Kandagatla
This patch adds low level debug uart support to sti based SOCs. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> CC: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25ARM: sti: Add STiH416 SOC supportSrinivas Kandagatla
The STiH416 is advanced HD AVC processor with 3D graphics acceleration and 1.2-GHz ARM Cortex-A9 SMP CPU. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> CC: Stephen Gallimore <stephen.gallimore@st.com> CC: Stuart Menefy <stuart.menefy@st.com> CC: Arnd Bergmann <arnd@arndb.de> CC: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-25ARM: sti: Add STiH415 SOC supportSrinivas Kandagatla
The STiH415 is the next generation of HD, AVC set-top box processors for satellite, cable, terrestrial and IP-STB markets. It is an ARM Cortex-A9 1.0 GHz, dual-core CPU. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> CC: Stephen Gallimore <stephen.gallimore@st.com> CC: Stuart Menefy <stuart.menefy@st.com> CC: Arnd Bergmann <arnd@arndb.de> CC: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Olof Johansson <olof@lixom.net>
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