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2014-08-31Merge tag 'xtensa-20140830' of git://github.com/czankel/xtensa-linuxLinus Torvalds
Pull Xtensa updates from Chris Zankel: "Xtensa improvements for 3.17: - support highmem on cores with aliasing data cache. Enable highmem on kc705 by default - simplify addition of new core variants (no need to modify Kconfig / Makefiles) - improve robustness of unaligned access handler and its interaction with window overflow/underflow exception handlers - deprecate atomic and spill registers syscalls - clean up Kconfig: remove orphan MATH_EMULATION, sort 'select' statements - wire up renameat2 syscall. Various fixes: - fix address checks in dma_{alloc,free}_coherent (runtime BUG) - fix access to THREAD_RA/THREAD_SP/THREAD_DS (debug build breakage) - fix TLBTEMP_BASE_2 region handling in fast_second_level_miss (runtime unrecoverable exception) - fix a6 and a7 handling in fast_syscall_xtensa (runtime userspace register clobbering) - fix kernel/user jump out of fast_unaligned (potential runtime unrecoverabl exception) - replace termios IOCTL code definitions with constants (userspace build breakage)" * tag 'xtensa-20140830' of git://github.com/czankel/xtensa-linux: (25 commits) xtensa: deprecate fast_xtensa and fast_spill_registers syscalls xtensa: don't allow overflow/underflow on unaligned stack xtensa: fix a6 and a7 handling in fast_syscall_xtensa xtensa: allow single-stepping through unaligned load/store xtensa: move invalid unaligned instruction handler closer to its users xtensa: make fast_unaligned store restartable xtensa: add double exception fixup handler for fast_unaligned xtensa: fix kernel/user jump out of fast_unaligned xtensa: configure kc705 for highmem xtensa: support highmem in aliasing cache flushing code xtensa: support aliasing cache in kmap xtensa: support aliasing cache in k[un]map_atomic xtensa: implement clear_user_highpage and copy_user_highpage xtensa: fix TLBTEMP_BASE_2 region handling in fast_second_level_miss xtensa: allow fixmap and kmap span more than one page table xtensa: make fixmap region addressing grow with index xtensa: fix access to THREAD_RA/THREAD_SP/THREAD_DS xtensa: add renameat2 syscall xtensa: fix address checks in dma_{alloc,free}_coherent xtensa: replace IOCTL code definitions with constants ...
2014-08-31unicore32: Fix build errorGuenter Roeck
unicore32 builds fail with arch/unicore32/kernel/signal.c: In function ‘setup_frame’: arch/unicore32/kernel/signal.c:257: error: ‘usig’ undeclared (first use in this function) arch/unicore32/kernel/signal.c:279: error: ‘usig’ undeclared (first use in this function) arch/unicore32/kernel/signal.c: In function ‘handle_signal’: arch/unicore32/kernel/signal.c:306: warning: unused variable ‘tsk’ arch/unicore32/kernel/signal.c: In function ‘do_signal’: arch/unicore32/kernel/signal.c:376: error: implicit declaration of function ‘get_signsl’ make[1]: *** [arch/unicore32/kernel/signal.o] Error 1 make: *** [arch/unicore32/kernel/signal.o] Error 2 Bisect points to commit 649671c90eaf ("unicore32: Use get_signal() signal_setup_done()"). This code never even compiled. Reverting the patch does not work, since previously used functions no longer exist, so try to fix it up. Compile tested only. Fixes: 649671c90eaf ("unicore32: Use get_signal() signal_setup_done()") Cc: Richard Weinberger <richard@nod.at> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-31Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM fixes from Russell King: "Various assorted fixes: - a couple of patches from Mark Rutland to resolve an errata with Cortex-A15 CPUs. - fix cpuidle for the CPU part ID changes in the last merge window - add support for a relocation which ARM binutils is generating in some circumstances" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8130/1: cpuidle/cpuidle-big_little: fix reading cpu id part number ARM: 8129/1: errata: work around Cortex-A15 erratum 830321 using dummy strex ARM: 8128/1: abort: don't clear the exclusive monitors ARM: 8127/1: module: add support for R_ARM_TARGET1 relocations
2014-08-31Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Here's the weekly batch of fixes from arm-soc. The delta is a largeish negative delta, due to revert of SMP support for Broadcom's STB SoC -- it was accidentally merged before some issues had been addressed, so they will make a new attempt for 3.18. I didn't see a need for a full revert of the whole platform due to this, we're keeping the rest enabled. The rest is mostly: - a handful of DT fixes for i.MX (Hummingboard/Cubox-i in particular) - some MTD/NAND fixes for OMAP - minor DT fixes for shmobile - warning fix for UP builds on vexpress/spc There's also a couple of patches that wires up hwmod on TI's DRA7 SoC so it can boot. Drivers and the rest had landed for 3.17, and it's small and isolated so it made sense to pick up now even if it's not a bugfix" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits) vexpress/spc: fix a build warning on array bounds ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants MAINTAINERS: catch special Rockchip code locations ARM: dts: microsom-ar8035: MDIO pad must be set open drain ARM: dts: omap54xx-clocks: Fix the l3 and l4 clock rates ARM: brcmstb: revert SMP support ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idled ARM: dts: Enable UART wake-up events for beagleboard ARM: dts: Remove twl6030 clk32g "regulator" ARM: OMAP2+: omap_device: remove warning that clk alias already exists ARM: OMAP: fix %d confusingly prefixed with 0x in format string ARM: dts: DRA7: fix interrupt-cells for GPIO mtd: nand: omap: Fix 1-bit Hamming code scheme, omap_calculate_ecc() ARM: dts: omap3430-sdp: Revert to using software ECC for NAND ARM: OMAP2+: GPMC: Support Software ECC scheme via DT mtd: nand: omap: Revert to using software ECC by default ARM: dts: hummingboard/cubox-i: change SPDIF output to be more descriptive ARM: dts: hummingboard/cubox-i: add USB OC pinctrl configuration ARM: shmobile: r8a7791: add missing 0x0100 for SDCKCR ...
2014-08-31vexpress/spc: fix a build warning on array boundsAlex Shi
With ARCH_VEXPRESS_SPC option, kernel build has the following warning: arch/arm/mach-vexpress/spc.c: In function ‘ve_spc_clk_init’: arch/arm/mach-vexpress/spc.c:431:38: warning: array subscript is below array bounds [-Warray-bounds] struct ve_spc_opp *opps = info->opps[cluster]; ^ since 'cluster' maybe '-1' in UP system. This patch does a active checking to fix this issue. Signed-off-by: Alex Shi <alex.shi@linaro.org> Acked-by: Pawel Moll <pawel.moll@arm.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-31Merge tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes Pull "ARM: OMAP2+: DRA72x/DRA74x basic support" from Tony Lindgren: Add basic subarchitecture support for the DRA72x and DRA74x. These are OMAP2+ derivative SoCs. This should be low-risk to existing OMAP platforms. Basic build, boot, and PM test logs are available here: http://www.pwsan.com/omap/testlogs/hwmod-a-early-v3.17-rc/20140827194314/ * tag 'for-v3.17-rc/omap-dra72x-d74x-support-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending: ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface lists ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variants Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-29Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "One patch to avoid assigning interrupts we don't actually have on non-PC platforms, and two patches that addresses bugs in the new IOAPIC assignment code" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, irq, PCI: Keep IRQ assignment for runtime power management x86: irq: Fix bug in setting IOAPIC pin attributes x86: Fix non-PC platform kernel crash on boot due to NULL dereference
2014-08-29Merge branch 'akpm' (fixes from Andrew Morton)Linus Torvalds
Merge patches from Andrew Morton: "22 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (22 commits) kexec: purgatory: add clean-up for purgatory directory Documentation/kdump/kdump.txt: add ARM description flush_icache_range: export symbol to fix build errors tools: selftests: fix build issue with make kselftests target ocfs2: quorum: add a log for node not fenced ocfs2: o2net: set tcp user timeout to max value ocfs2: o2net: don't shutdown connection when idle timeout ocfs2: do not write error flag to user structure we cannot copy from/to x86/purgatory: use approprate -m64/-32 build flag for arch/x86/purgatory drivers/rtc/rtc-s5m.c: re-add support for devices without irq specified xattr: fix check for simultaneous glibc header inclusion kexec: remove CONFIG_KEXEC dependency on crypto kexec: create a new config option CONFIG_KEXEC_FILE for new syscall x86,mm: fix pte_special versus pte_numa hugetlb_cgroup: use lockdep_assert_held rather than spin_is_locked mm/zpool: use prefixed module loading zram: fix incorrect stat with failed_reads lib: turn CONFIG_STACKTRACE into an actual option. mm: actually clear pmd_numa before invalidating memblock, memhotplug: fix wrong type in memblock_find_in_range_node(). ...
2014-08-29kexec: purgatory: add clean-up for purgatory directoryMichael Welling
Without this patch the kexec-purgatory.c and purgatory.ro files are not removed after make mrproper. Signed-off-by: Michael Welling <mwelling@ieee.org> Acked-by: Vivek Goyal <vgoyal@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29flush_icache_range: export symbol to fix build errorsPranith Kumar
Fix building errors occuring due to a missing export of flush_icache_range() in kisskb.ellerman.id.au/kisskb/buildresult/11677809/ ERROR: "flush_icache_range" [drivers/misc/lkdtm.ko] undefined! Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Vineet Gupta <vgupta@synopsys.com> [arc] Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon] Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Chris Zankel <chris@zankel.net> Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa] Cc: Noam Camus <noamc@ezchip.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Acked-by: Zhigang Lu <zlu@tilera.com> [tile] Cc: Kirill Tkhai <tkhai@yandex.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29x86/purgatory: use approprate -m64/-32 build flag for arch/x86/purgatoryVivek Goyal
Thomas reported that build of x86_64 kernel was failing for him. He is using 32bit tool chain. Problem is that while compiling purgatory, I have not specified -m64 flag. And 32bit tool chain must be assuming -m32 by default. Following is error message. (mini) [~/work/linux-2.6] make scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release UPD include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h CC arch/x86/purgatory/purgatory.o arch/x86/purgatory/purgatory.c:1:0: error: code model 'large' not supported in the 32 bit mode Fix it by explicitly passing appropriate -m64/-m32 build flag for purgatory. Reported-by: Thomas Glanzmann <thomas@glanzmann.de> Tested-by: Thomas Glanzmann <thomas@glanzmann.de> Suggested-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29kexec: remove CONFIG_KEXEC dependency on cryptoVivek Goyal
New system call depends on crypto. As it did not have a separate config option, CONFIG_KEXEC was modified to select CRYPTO and CRYPTO_SHA256. But now previous patch introduced a new config option for new syscall. So CONFIG_KEXEC does not require crypto. Remove that dependency. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Shaun Ruffell <sruffell@digium.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29kexec: create a new config option CONFIG_KEXEC_FILE for new syscallVivek Goyal
Currently new system call kexec_file_load() and all the associated code compiles if CONFIG_KEXEC=y. But new syscall also compiles purgatory code which currently uses gcc option -mcmodel=large. This option seems to be available only gcc 4.4 onwards. Hiding new functionality behind a new config option will not break existing users of old gcc. Those who wish to enable new functionality will require new gcc. Having said that, I am trying to figure out how can I move away from using -mcmodel=large but that can take a while. I think there are other advantages of introducing this new config option. As this option will be enabled only on x86_64, other arches don't have to compile generic kexec code which will never be used. This new code selects CRYPTO=y and CRYPTO_SHA256=y. And all other arches had to do this for CONFIG_KEXEC. Now with introduction of new config option, we can remove crypto dependency from other arches. Now CONFIG_KEXEC_FILE is available only on x86_64. So whereever I had CONFIG_X86_64 defined, I got rid of that. For CONFIG_KEXEC_FILE, instead of doing select CRYPTO=y, I changed it to "depends on CRYPTO=y". This should be safer as "select" is not recursive. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: H. Peter Anvin <hpa@zytor.com> Tested-by: Shaun Ruffell <sruffell@digium.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29x86,mm: fix pte_special versus pte_numaHugh Dickins
Sasha Levin has shown oopses on ffffea0003480048 and ffffea0003480008 at mm/memory.c:1132, running Trinity on different 3.16-rc-next kernels: where zap_pte_range() checks page->mapping to see if PageAnon(page). Those addresses fit struct pages for pfns d2001 and d2000, and in each dump a register or a stack slot showed d2001730 or d2000730: pte flags 0x730 are PCD ACCESSED PROTNONE SPECIAL IOMAP; and Sasha's e820 map has a hole between cfffffff and 100000000, which would need special access. Commit c46a7c817e66 ("x86: define _PAGE_NUMA by reusing software bits on the PMD and PTE levels") has broken vm_normal_page(): a PROTNONE SPECIAL pte no longer passes the pte_special() test, so zap_pte_range() goes on to try to access a non-existent struct page. Fix this by refining pte_special() (SPECIAL with PRESENT or PROTNONE) to complement pte_numa() (SPECIAL with neither PRESENT nor PROTNONE). A hint that this was a problem was that c46a7c817e66 added pte_numa() test to vm_normal_page(), and moved its is_zero_pfn() test from slow to fast path: This was papering over a pte_special() snag when the zero page was encountered during zap. This patch reverts vm_normal_page() to how it was before, relying on pte_special(). It still appears that this patch may be incomplete: aren't there other places which need to be handling PROTNONE along with PRESENT? For example, pte_mknuma() clears _PAGE_PRESENT and sets _PAGE_NUMA, but on a PROT_NONE area, that would make it pte_special(). This is side-stepped by the fact that NUMA hinting faults skipped PROT_NONE VMAs and there are no grounds where a NUMA hinting fault on a PROT_NONE VMA would be interesting. Fixes: c46a7c817e66 ("x86: define _PAGE_NUMA by reusing software bits on the PMD and PTE levels") Reported-by: Sasha Levin <sasha.levin@oracle.com> Tested-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Matthew Wilcox <matthew.r.wilcox@intel.com> Cc: <stable@vger.kernel.org> [3.16] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29alpha: io: implement relaxed accessor macros for writesWill Deacon
write{b,w,l,q}_relaxed are implemented by some architectures in order to permit memory-mapped I/O writes with weaker barrier semantics than the non-relaxed variants. This patch implements these write macros for Alpha, in the same vein as the relaxed read macros, which are already implemented. Acked-by: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29alpha: Wire up sched_setattr, sched_getattr, and renameat2 syscalls.Michael Cree
Signed-off-by: Michael Cree <mcree@orcon.net.nz> Signed-off-by: Matt Turner <mattst88@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-29x86, irq, PCI: Keep IRQ assignment for runtime power managementJiang Liu
Now IOAPIC driver dynamically allocates IRQ numbers for IOAPIC pins. We need to keep IRQ assignment for PCI devices during runtime power management, otherwise it may cause failure of device wakeups. Commit 3eec595235c17a7 "x86, irq, PCI: Keep IRQ assignment for PCI devices during suspend/hibernation" has fixed the issue for suspend/ hibernation, we also need the same fix for runtime device sleep too. Fix: https://bugzilla.kernel.org/show_bug.cgi?id=83271 Reported-and-Tested-by: EmanueL Czirai <amanual@openmailbox.org> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: EmanueL Czirai <amanual@openmailbox.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Grant Likely <grant.likely@linaro.org> Link: http://lkml.kernel.org/r/1409304383-18806-1-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-08-28Merge tag 'mfd-fixes-3.17' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull mfd fixes from Lee Jones: "Couple of simple fixes due for the 3.17 rcs (and a sneaky document addition that slipped from the previous pull-request)" * tag 'mfd-fixes-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: mfd: twl4030-power: Fix PM idle pin configuration to not conflict with regulators mfd: tc3589x: Add device tree bindings mfd: ab8500-core: Use 'ifdef' for config options mfd: htc-i2cpld: Fix %d confusingly prefixed with 0x in format string mfd: omap-usb-host: Fix %d confusingly prefixed with 0x in format string
2014-08-28mfd: twl4030-power: Fix PM idle pin configuration to not conflict with ↵Tony Lindgren
regulators Commit 43fef47f94a1 (mfd: twl4030-power: Add a configuration to turn off oscillator during off-idle) added support for configuring the PMIC to cut off resources during deeper idle states to save power. This however caused regression for n900 display power that needed the PMIC configuration to be disabled with commit d937678ab625 (ARM: dts: Revert enabling of twl configuration for n900). Turns out the root cause of the problem is that we must use TWL4030_RESCONFIG_UNDEF instead of DEV_GRP_NULL to avoid disabling regulators that may have been enabled before the init function for twl4030-power.c runs. With TWL4030_RESCONFIG_UNDEF we let the regulator framework control the regulators like it should. Here we need to only configure the sys_clken and sys_off_mode triggers for the regulators that cannot be done by the regulator framework as it's not running at that point. This allows us to enable the PMIC configuration for n900. Fixes: 43fef47f94a1 (mfd: twl4030-power: Add a configuration to turn off oscillator during off-idle) Cc: stable@vger.kernel.org # v3.16 Signed-off-by: Tony Lindgren <tony@atomide.com> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-08-27ARM: DRA7: hwmod: Add dra74x and dra72x specific ocp interface listsRajendra Nayak
To deal with IPs which are specific to dra74x and dra72x, maintain seperate ocp interface lists, while keeping the common list for all common IPs. Move USB OTG SS4 to dra74x only list since its unavailable in dra72x and is giving an abort during boot. The dra72x only list is empty for now and a placeholder for future hwmod additions which are specific to dra72x. Fixes: d904b38df0db13 ("ARM: DRA7: hwmod: Add SYSCONFIG for usb_otg_ss") Reported-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Tested-by: Nishanth Menon <nm@ti.com> [paul@pwsan.com: fixed comment style to conform with CodingStyle] Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-08-27ARM: DRA7: Add support for soc_is_dra74x() and soc_is_dra72x() variantsRajendra Nayak
Use the corresponding compatibles to identify the devices. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-by: Nishanth Menon <nm@ti.com> Tested-by: Nishanth Menon <nm@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2014-08-27Merge tag 'renesas-clock-fixes-for-v3.17' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes Merge "Renesas ARM Based SoC Clock Fixes For v3.17" from Simon Horman: * ARM: shmobile: r8a7791: add missing 0x0100 for SDCKCR This resolves a problem introduced by 4bfb358b1d6cdeff ("ARM: shmobile: Add r8a7791 legacy SDHI clocks") which was included in v3.15. This fix does not have any run-time affect at this time. * ARM: shmobile: r8a7790: add missing 0x0100 for SDCKCR This resolves a problem introduced by 9f13ee6f83c52065 ("ARM: shmobile: r8a7790: add div4 clocks") which was included in v3.11. This fix does not have any run-time affect at this time. * ARM: shmobile: sh73a0: Remove spurious 0x from SCIFB clock name This resolves a problem introduced by a0f7e7496d56ac2d ("ARM: shmobile: sh73a0: add CMT1 clock support for DT") which was included in v3.17-rc1. This fix does not have any run-time affect at this time as the clock in question is used by a SCIF device that is not enabled by default. * tag 'renesas-clock-fixes-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: r8a7791: add missing 0x0100 for SDCKCR ARM: shmobile: r8a7790: add missing 0x0100 for SDCKCR ARM: shmobile: sh73a0: Remove spurious 0x from SCIFB clock name Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-27Merge tag 'imx-fixes-3.17-2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes Merge "ARM: imx: fixes for 3.17, 2nd take" from Shawn Guo: i.MX fixes for 3.17, 2nd take: - Fixes suspend/resume issue on imx53-qsrb due to PMIC IRQ pin configuration missing - A couple small SolidRun board fixes/correction from Rabeeh and Russell * tag 'imx-fixes-3.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: dts: microsom-ar8035: MDIO pad must be set open drain ARM: dts: hummingboard/cubox-i: change SPDIF output to be more descriptive ARM: dts: hummingboard/cubox-i: add USB OC pinctrl configuration ARM: dts: imx53-qsrb: Fix suspend/resume Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-27Merge tag 'omap-for-v3.17/fixes-against-rc2' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes Merge "omap fixes against v3.17-rc2" from Tony Lindgren: Fixes for omaps, mostly to revert NAND back to using software ECC by default as that's what many boards expect. Also fixes for omap5 clocks, PM wake-up events, GPIO interrupt cells for dra7, and few other minor fixes. * tag 'omap-for-v3.17/fixes-against-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: omap54xx-clocks: Fix the l3 and l4 clock rates ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idled ARM: dts: Enable UART wake-up events for beagleboard ARM: dts: Remove twl6030 clk32g "regulator" ARM: OMAP2+: omap_device: remove warning that clk alias already exists ARM: OMAP: fix %d confusingly prefixed with 0x in format string ARM: dts: DRA7: fix interrupt-cells for GPIO mtd: nand: omap: Fix 1-bit Hamming code scheme, omap_calculate_ecc() ARM: dts: omap3430-sdp: Revert to using software ECC for NAND ARM: OMAP2+: GPMC: Support Software ECC scheme via DT mtd: nand: omap: Revert to using software ECC by default
2014-08-27ARM: 8130/1: cpuidle/cpuidle-big_little: fix reading cpu id part numberJuri Lelli
Commit af040ffc9ba1 ("ARM: make it easier to check the CPU part number correctly") changed ARM_CPU_PART_X masks, and the way they are returned and checked against. Usage of read_cpuid_part_number() is now deprecated, and calling places updated accordingly. This actually broke cpuidle-big_little initialization, as bl_idle_driver_init() performs a check using an hardcoded mask on cpu_id. Create an interface to perform the check (that is now even easier to read). Define also a proper mask (ARM_CPU_PART_MASK) that makes this kind of checks cleaner and helps preventing bugs in the future. Update usage accordingly. Signed-off-by: Juri Lelli <juri.lelli@arm.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-08-27ARM: 8129/1: errata: work around Cortex-A15 erratum 830321 using dummy strexMark Rutland
On revisions of Cortex-A15 prior to r3p3, a CLREX instruction at PL1 may falsely trigger a watchpoint exception, leading to potential data aborts during exception return and/or livelock. This patch resolves the issue in the following ways: - Replacing our uses of CLREX with a dummy STREX sequence instead (as we did for v6 CPUs). - Removing the clrex code from v7_exit_coherency_flush and derivatives, since this only exists as a minor performance improvement when non-cached exclusives are in use (Linux doesn't use these). Benchmarking on a variety of ARM cores revealed no measurable performance difference with this change applied, so the change is performed unconditionally and no new Kconfig entry is added. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Cc: stable@vger.kernel.org Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-08-27ARM: 8128/1: abort: don't clear the exclusive monitorsMark Rutland
The ARMv6 and ARMv7 early abort handlers clear the exclusive monitors upon entry to the kernel, but this is redundant: - We clear the monitors on every exception return since commit 200b812d0084 ("Clear the exclusive monitor when returning from an exception"), so this is not necessary to ensure the monitors are cleared before returning from a fault handler. - Any dummy STREX will target a temporary scratch area in memory, and may succeed or fail without corrupting useful data. Its status value will not be used. - Any other STREX in the kernel must be preceded by an LDREX, which will initialise the monitors consistently and will not depend on the earlier state of the monitors. Therefore we have no reason to care about the initial state of the exclusive monitors when a data abort is taken, and clearing the monitors prior to exception return (as we already do) is sufficient. This patch removes the redundant clearing of the exclusive monitors from the early abort handlers. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Cc: stable@vger.kernel.org Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-08-27ARM: 8127/1: module: add support for R_ARM_TARGET1 relocationsAndrey Ryabinin
Kernel module build with GCOV profiling fails to load with the following error: $ insmod test_module.ko test_module: unknown relocation: 38 insmod: can't insert 'test_module.ko': invalid module format This happens because constructor pointers in the .init_array section have not supported R_ARM_TARGET1 relocation type. Documentation (ELF for the ARM Architecture) says: "The relocation must be processed either in the same way as R_ARM_REL32 or as R_ARM_ABS32: a virtual platform must specify which method is used." Since kernel expects to see absolute addresses in .init_array R_ARM_TARGET1 relocation type should be treated the same way as R_ARM_ABS32. Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-08-27x86: irq: Fix bug in setting IOAPIC pin attributesJiang Liu
Commit 15a3c7cc9154321fc3 "x86, irq: Introduce two helper functions to support irqdomain map operation" breaks LPSS ACPI enumerated devices. On startup, IOAPIC driver preallocates IRQ descriptors and programs IOAPIC pins with default level and polarity attributes for all legacy IRQs. Later legacy IRQ users may fail to set IOAPIC pin attributes if the requested attributes conflicts with the default IOAPIC pin attributes. So change mp_irqdomain_map() to allow the first legacy IRQ user to reprogram IOAPIC pin with different attributes. Reported-and-tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Grant Likely <grant.likely@linaro.org> Cc: Prarit Bhargava <prarit@redhat.com> Link: http://lkml.kernel.org/r/1409118795-17046-1-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-08-27ARM: dts: microsom-ar8035: MDIO pad must be set open drainRabeeh Khoury
This patch is important for the MicroSOM implementation due to the following details - 1. VIH of the Atheros phy is 1.7V. 2. NVCC_ENET which is the power domain of the MDIO pad is driven by the PHY's LDO (i.e. either 1.8v or 2.5v). 3. The MicroSOM implements an onbouard 1.6kohm pull up to 3.3v (R3000). In the case the PHY's LDO was 1.8v then there would be only a 100mV margin for the signal to be acknowledged as high (1.8v-1.7v). Due to that setting the pad as an open drain will let the 1.6kohm pull that signal high to 3.3 that assures enough margins to the PHY to be acked as '1' logic. Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
2014-08-26Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Martin Schwidefsky: - wire up the system calls seccomp, getrandom and memfd_create - use static system information as input to add_device_randomness - .. and three bug fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/sclp: remove unnecessary XTABS flag s390/3215: fix tty output containing tabs s390: wire up memfd_create syscall s390: add system information as device randomness s390/kdump: Clear subchannel ID to signal non-CCW/SCSI IPL s390: wire up seccomp and getrandom syscalls
2014-08-26ARM: dts: omap54xx-clocks: Fix the l3 and l4 clock ratesTero Kristo
Similarly to DRA7, OMAP5 has l3 and l4 clock rates incorrectly calculated. Fixed by using proper divider clock types for the clock nodes. Signed-off-by: Tero Kristo <t-kristo@ti.com> Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: brcmstb: revert SMP supportBrian Norris
There were several issues (of varying degree of importance) pointed out with this code late in the review cycle, yet the code was still merged. Let's rip it out for now and look at resubmitting at a later time. This reverts most of commit 4fbe66d9903425156c193ae44c81c0f7557755c4. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-08-25ARM: OMAP2+: hwmod: Rearm wake-up interrupts for DT when MUSB is idledTony Lindgren
Looks like MUSB cable removal can cause wake-up interrupts to stop working for device tree based booting at least for UART3 even as nothing is dynamically remuxed. This can be fixed by calling reconfigure_io_chain() for device tree based booting in hwmod code. Note that we already do that for legacy booting if the legacy mux is configured. My guess is that this is related to UART3 and MUSB ULPI hsusb0_data0 and hsusb0_data1 support for Carkit mode that somehow affect the configured IO chain for UART3 and require rearming the wake-up interrupts. In general, for device tree based booting, pinctrl-single calls the rearm hook that in turn calls reconfigure_io_chain so calling reconfigure_io_chain should not be needed from the hwmod code for other events. So let's limit the hwmod rearming of iochain only to HWMOD_FORCE_MSTANDBY where MUSB is currently the only user of it. If we see other devices needing similar changes we can add more checks for it. Cc: Paul Walmsley <paul@pwsan.com> Cc: stable@vger.kernel.org # v3.16 Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: dts: Enable UART wake-up events for beagleboardTony Lindgren
For device tree based booting, we need to use wake-up interrupts like we already do for some omaps. This fixes a PM regression on beagleboard compared to legacy booting. Tested-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: dts: Remove twl6030 clk32g "regulator"Mark Brown
The kernel has never supported clk32g as a regulator since it is a clock and not a regulator. Fortunately nothing actually references this node so we can just remove it. Signed-off-by: Mark Brown <broonie@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: OMAP2+: omap_device: remove warning that clk alias already existsMarkus Pargmann
When an alias for a clock already exists the warning is printed. For every module with a main_clk defined, a clk alias for fck is added. There are some components that have the same main_clk defined, so this is a really normal situation. For example the am33xx edma device has 4 components using the same main clock. So there are three warnings in the boot log for this already existing clock alias: platform 49000000.edma: alias fck already exists platform 49000000.edma: alias fck already exists platform 49000000.edma: alias fck already exists As this is only interesting for developers, this patch changes the message to a debug message. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: OMAP: fix %d confusingly prefixed with 0x in format stringHans Wennborg
Fix %d confusingly prefixed with 0x in format string. Signed-off-by: Hans Wennborg <hans@hanshq.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: dts: DRA7: fix interrupt-cells for GPIONishanth Menon
GPIO modules are also interrupt sources. However, they require both the GPIO number and IRQ type to function properly. By declaring that GPIO uses interrupt-cells=<1>, we essentially do not allow users of the nodes to use the interrupt property appropritely. With this change, the following now works: interrupt-parent = <&gpio6>; interrupts = <5 IRQ_TYPE_LEVEL_LOW>; Fixes: 6e58b8f1daaf ('ARM: dts: DRA7: Add the dts files for dra7 SoC and dra7-evm board') Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: dts: omap3430-sdp: Revert to using software ECC for NANDRoger Quadros
For v3.14 and prior, 1-bit Hamming code ECC via software was used for NAND on this board. Commit c06c52701695 in v3.15 changed the behaviour to use 1-bit Hamming code via Hardware using a different ECC layout i.e. (ROM code layout) than what is used by software ECC. This ECC layout change causes NAND filesystems created in v3.14 and prior to be unusable in v3.15 and later. So revert back to using software ECC scheme. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25ARM: OMAP2+: GPMC: Support Software ECC scheme via DTRoger Quadros
For v3.14 and prior, 1-bit Hamming code ECC via software was the default choice for some boards e.g. 3430sdp. Commit ac65caf514ec in v3.15 changed the behaviour to use 1-bit Hamming code via Hardware using a different ECC layout i.e. (ROM code layout) than what is used by software ECC. This ECC layout change causes NAND filesystems created in v3.14 and prior to be unusable in v3.15 and later. So don't mark "sw" scheme as deperecated and support it. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25mtd: nand: omap: Revert to using software ECC by defaultRoger Quadros
For v3.12 and prior, 1-bit Hamming code ECC via software was the default choice. Commit c66d039197e4 in v3.13 changed the behaviour to use 1-bit Hamming code via Hardware using a different ECC layout i.e. (ROM code layout) than what is used by software ECC. This ECC layout change causes NAND filesystems created in v3.12 and prior to be unusable in v3.13 and later. So revert back to using software ECC by default if an ECC scheme is not explicitely specified. This defect can be observed on the following boards during legacy boot -omap3beagle -omap3touchbook -overo -am3517crane -devkit8000 -ldp -3430sdp Signed-off-by: Roger Quadros <rogerq@ti.com> Tested-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-08-25Merge tag 'renesas-sh-drivers-for-v3.17' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas Pull SH driver fix from Simon Horman: "Confine SH_INTC to platforms that need it" * tag 'renesas-sh-drivers-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: sh: intc: Confine SH_INTC to platforms that need it
2014-08-25Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS fixes from Ralf Baechle: "Pretty much all across the field so with this we should be in reasonable shape for the upcoming -rc2" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: OCTEON: make get_system_type() thread-safe MIPS: CPS: Initialize EVA before bringing up VPEs from secondary cores MIPS: Malta: EVA: Rename 'eva_entry' to 'platform_eva_init' MIPS: EVA: Add new EVA header MIPS: scall64-o32: Fix indirect syscall detection MIPS: syscall: Fix AUDIT value for O32 processes on MIPS64 MIPS: Loongson: Fix COP2 usage for preemptible kernel MIPS: NL: Fix nlm_xlp_defconfig build error MIPS: Remove race window in page fault handling MIPS: Malta: Improve system memory detection for '{e, }memsize' >= 2G MIPS: Alchemy: Fix db1200 PSC clock enablement MIPS: BCM47XX: Fix reboot problem on BCM4705/BCM4785 MIPS: Remove duplicated include from numa.c MIPS: Add common plat_irq_dispatch declaration MIPS: MSP71xx: remove unused plat_irq_dispatch() argument MIPS: GIC: Remove useless parens from GICBIS(). MIPS: perf: Mark pmu interupt IRQF_NO_THREAD
2014-08-25x86: Fix non-PC platform kernel crash on boot due to NULL dereferenceAndy Shevchenko
Upstream commit: 95d76acc7518d5 ("x86, irq: Count legacy IRQs by legacy_pic->nr_legacy_irqs instead of NR_IRQS_LEGACY") removed reserved interrupts for the platforms that do not have a legacy IOAPIC. Which breaks the boot on Intel MID platforms such as Medfield: BUG: unable to handle kernel NULL pointer dereference at 0000003a IP: [<c107079a>] setup_irq+0xf/0x4d [ 0.000000] *pdpt = 0000000000000000 *pde = 9bbf32453167e510 The culprit is an uncoditional setting of IRQ2 which is used as cascade IRQ on legacy platforms. It seems we have to check if we have enough legacy IRQs reserved before we can call setup_irq(). The fix adds such check in native_init_IRQ() and in setup_default_timer_irq(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Jiang Liu <jiang.liu@linux.intel.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Cohen <david.a.cohen@linux.intel.com> Link: http://lkml.kernel.org/r/1405931920-12871-1-git-send-email-andriy.shevchenko@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-08-25ARM: dts: hummingboard/cubox-i: change SPDIF output to be more descriptiveRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
2014-08-25ARM: dts: hummingboard/cubox-i: add USB OC pinctrl configurationRussell King
Hummingboard has no over current hardware, so disable the over current detection for both ports. Cubox-i has over current hardware, so appropriately configure this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
2014-08-24Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "A couple of EFI fixes, plus misc fixes all around the map" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi/arm64: Store Runtime Services revision firmware: Do not use WARN_ON(!spin_is_locked()) x86_32, entry: Clean up sysenter_badsys declaration x86/doc: Fix the 'tlb_single_page_flush_ceiling' sysconfig path x86/mm: Fix sparse 'tlb_single_page_flush_ceiling' warning and make the variable read-mostly x86/mm: Fix RCU splat from new TLB tracepoints
2014-08-24Merge tag 'fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "A collection of fixes from this week, it's been pretty quiet and nothing really stands out as particularly noteworthy here -- mostly minor fixes across the field: - ODROID booting was fixed due to PMIC interrupts missing in DT - a collection of i.MX fixes - minor Tegra fix for regulators - Rockchip fix and addition of SoC-specific mailing list to make it easier to find posted patches" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: bus: arm-ccn: Fix warning message ARM: shmobile: koelsch: Remove non-existent i2c6 pinmux ARM: tegra: apalis/colibri t30: fix on-module 5v0 supplies MAINTAINERS: add new Rockchip SoC list ARM: dts: rockchip: readd missing mmc0 pinctrl settings ARM: dts: ODROID i2c improvements ARM: dts: Enable PMIC interrupts on ODROID ARM: dts: imx6sx: fix the pad setting for uart CTS_B ARM: dts: i.MX53: fix apparent bug in VPU clks ARM: imx: correct gpu2d_axi and gpu3d_axi clock setting ARM: dts: imx6: edmqmx6: change enet reset pin ARM: dts: vf610-twr: Fix pinctrl_esdhc1 pin definitions. ARM: imx: remove unnecessary ARCH_HAS_OPP select ARM: imx: fix TLB missing of IOMUXC base address during suspend ARM: imx6: fix SMP compilation again ARM: dt: sun6i: Add #address-cells and #size-cells to i2c controller nodes
2014-08-24ARM: shmobile: koelsch: Remove non-existent i2c6 pinmuxGeert Uytterhoeven
On r8a7791, i2c6 (aka iic3) doesn't need pinmux, but the koelsch dts refers to non-existent pinmux configuration data: pinmux core: sh-pfc does not support function i2c6 sh-pfc e6060000.pfc: invalid function i2c6 in map table Remove it to fix this. Fixes: commit 1d41f36a68c0f4e9b01d563ce33bab5201858b54 ("ARM: shmobile: koelsch dts: Add VDD MPU regulator for DVFS") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Olof Johansson <olof@lixom.net>
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