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2014-04-24arm/mach-vexpress: array accessed out of boundsHeinrich Schuchardt1-2/+5
dcscb_allcpus_mask is an array of size 2. The index variable cluster has to be checked against this limit before accessing the array. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2014-04-23Merge branch 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds13-21/+44
Pull ARM fixes from Russell King: "Various fixes and post-merge window updates. Included here are: - ensure Kconfig things which should be sorted remain sorted - fix three big-endian bugs which crept in during the last merge window - add the renameat2 syscall - fix big.LITTLE switcher initialisation checks - fix kdump vmcore for LPAE kernels" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: add renameat2 syscall ARM: keep arch/arm/Kconfig and arch/arm/mm/Kconfig select entries sorted ARM: 8033/1: fix big endian __pv_phys_pfn_offset size related issue ARM: 8032/1: bL_switcher: fix validation check before its activation ARM: 8030/1: ARM : kdump : add arch_crash_save_vmcoreinfo ARM: 8027/1: fix do_div() bug in big-endian systems ARM: 8026/1: Fix emulation of multiply accumulate instructions ARM: 8024/1: Keep DEBUG_UART_{PHYS,VIRT} entries sorted
2014-04-23ARM: OMAP2+: Fix GPMC remap for devices using an offsetTony Lindgren1-0/+8
At least the smc91x driver expects the device to be at 0x300 offset from bus base address. This does not work currently for GPMC when booted in device tree mode as it attempts to remap the the allocated GPMC partition to the address configured by the device tree plus the device offset. Note that this works just fine when booted with legacy mode. Let's fix the issue by just ignoring any device specific offset while remapping. And let's make sure the remap address confirms to the GPMC 16MB minimum granularity as listed in the TRM for GPMC_CONFIG7 BASEADDRESS bits. Otherwise we can get something like this: omap-gpmc 6e000000.gpmc: cannot remap GPMC CS 1 to 0x01000300 Cc: Pekon Gupta <pekon@ti.com> Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-23DTS: ARM: OMAP3-N900: Add WL1251 supportSebastian Reichel1-0/+40
Add device tree support for the wireless chip built into the Nokia N900. Signed-off-by: Sebastian Reichel <sre@debian.org>
2014-04-23DTS: OMAP3-N900: Add sound supportSebastian Reichel1-0/+13
This patch adds support for the Nokia N900's sound system. Signed-off-by: Sebastian Reichel <sre@kernel.org>
2014-04-23DEBUG HACK: ignore open cover on N900Sebastian Reichel1-1/+1
2014-04-23arm: dma-mapping: Fix mapping size valueRitesh Harjani1-1/+1
68efd7d2fb("arm: dma-mapping: remove order parameter from arm_iommu_create_mapping()") is causing kernel panic because it wrongly sets the value of mapping->size: Unable to handle kernel NULL pointer dereference at virtual address 000000a0 pgd = e7a84000 [000000a0] *pgd=00000000 ... PC is at bitmap_clear+0x48/0xd0 LR is at __iommu_remove_mapping+0x130/0x164 Fix it by correcting mapping->size value. Signed-off-by: Ritesh Harjani <ritesh.harjani@gmail.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2014-04-23Merge remote-tracking branches 'spi/fix/atmel', 'spi/fix/bfin5xx', ↵Mark Brown1-1/+1
'spi/fix/hspi' and 'spi/fix/sirf' into spi-linus
2014-04-23ARM: add renameat2 syscallMiklos Szeredi2-0/+2
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> [dropped arch/arm/include/asm/unistd.h changes --rmk] Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-23arm64: add renameat2 compat syscallMiklos Szeredi1-1/+2
Wire up the renameat2 syscall for compat (AArch32) applications. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-04-23ARM: keep arch/arm/Kconfig and arch/arm/mm/Kconfig select entries sortedRussell King2-9/+9
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-22Merge tag 'iio-fixes-for-3.15a' of ↵Greg Kroah-Hartman2-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: First found of IIO fixes for the 3.15 cycle. * Fix the platform data support for the at91 adc driver. * A couple of related follow up patches get the support working again for at91sam9260 and at91sam9g45 as the earlier patch results in a device name change. * A default timer value in the at91 adc driver was bonkers. Make it sane. * Fix incorrect reporting of the integration time for the cm32181 light sensor * Fix a missing break in the ad2s1200 driver which would have give a false error return. * Make sure buffer scan mask queries from userspace return 0/1 rather than a fairly random value depending on their implementation of test_bit * Fix leak of the i2c client and a null pointer dereference in the cm36651 driver. * Fix a build warning on avr32 for the mxs-lradc (not exactly a critical combination - but the issue was real).
2014-04-22ARM: 8033/1: fix big endian __pv_phys_pfn_offset size related issueVictor Kamensky1-1/+1
Fix e26a9e00afc482b971afcaef1db8c9034d4d6d7c 'ARM: Better virt_to_page() handling' replaced __pv_phys_offset with __pv_phys_pfn_offset. Also note that size of __pv_phys_offset was quad but size of __pv_phys_pfn_offset is word. Instruction that used to update __pv_phys_offset which address is in r6 had to update low word of __pv_phys_offset so it used #LOW_OFFSET macro for store offset. Now when size of __pv_phys_pfn_offset is word, no difference between little endian and big endian should exist - i.e no offset should be used when __pv_phys_pfn_offset is stored. Note that for little endian image proposed change is noop, since in little endian case #LOW_OFFSET is defined 0 anyway. Reported-by: Taras Kondratiuk <taras.kondratiuk@linaro.org> Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-22ARM: 8032/1: bL_switcher: fix validation check before its activationNicolas Pitre3-4/+14
The switcher should not depend on MAX_CLUSTER to determine ifit should be activated or not. In a multiplatform kernel binary it is possible to have dual-cluster and quad-cluster platforms configured in. In that case MAX_CLUSTER which is a build time limit should be 4 and that shouldn't prevent the switcher from working if the kernel is booted on a b.L dual-cluster system. In bL_switcher_halve_cpus() we already have a runtime validation check to make sure we're dealing with only two clusters, so booting on a quad cluster system will be caught and switcher activation aborted. However, the b.L switcher must ensure the MCPM layer is initialized on the booted hardware before doing anything. The mcpm_is_available() function is added to that effect. Signed-off-by: Nicolas Pitre <nico@linaro.org> Tested-by: Abhilash Kesavan <kesavan.abhilash@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-22ARM: 8030/1: ARM : kdump : add arch_crash_save_vmcoreinfoLiu Hua1-0/+7
For vmcore generated by LPAE enabled kernel, user space utility such as crash needs additional infomation to parse. So this patch add arch_crash_save_vmcoreinfo as what PAE enabled i386 linux does. Cc: <stable@vger.kernel.org> Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Liu Hua <sdu.liu@huawei.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-22ARM: 8027/1: fix do_div() bug in big-endian systemsXiangyu Lu1-1/+1
In big-endian systems, "%1" get the most significant part of the value, cause the instruction to get the wrong result. When viewing ftrace record in big-endian ARM systems, we found that the timestamp errors: swapper-0 [001] 1325.970000: 0:120:R ==> [001] 16:120:R events/1 events/1-16 [001] 1325.970000: 16:120:S ==> [001] 0:120:R swapper swapper-0 [000] 1325.1000000: 0:120:R + [000] 15:120:R events/0 swapper-0 [000] 1325.1000000: 0:120:R ==> [000] 15:120:R events/0 swapper-0 [000] 1326.030000: 0:120:R + [000] 1150:120:R sshd swapper-0 [000] 1326.030000: 0:120:R ==> [000] 1150:120:R sshd When viewed ftrace records, it will call the do_div(n, base) function, which achieved arch/arm/include/asm/div64.h in. When n = 10000000, base = 1000000, in do_div(n, base) will execute "umull %Q0, %R0, %1, %Q2". Reviewed-by: Dave Martin <Dave.Martin@arm.com> Reviewed-by: Nicolas Pitre <nico@linaro.org> Cc: <stable@vger.kernel.org> # 2.6.20+ Signed-off-by: Alex Wu <wuquanming@huawei.com> Signed-off-by: Xiangyu Lu <luxiangyu@huawei.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-04-22ARM64: Remove duplicated Kconfig entry for "kernel/power/Kconfig"Hanjun Guo1-2/+0
There is a duplicated Kconfig entry for "kernel/power/Kconfig" in menu "Power management options" and "CPU Power Management", remove the one from menu "CPU Power Management" suggested by Viresh. Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-04-22arm64: __NR_compat_syscalls fixMiklos Szeredi1-1/+1
This fixes commit 6290b53de025 (arm64: compat: Wire up new AArch32 syscalls) which did not update __NR_compat_syscalls accordingly. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: <stable@vger.kernel.org> # 3.14+ Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-04-22Merge branch 'x86-vdso-for-linus' of ↵Linus Torvalds1-11/+8
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 vdso fix from Peter Anvin: "This is a single build fix for building with gold as opposed to GNU ld. It got queued up separately and was expected to be pushed during the merge window, but it got left behind" * 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, vdso: Make the vdso linker script compatible with Gold
2014-04-22locks: rename file-private locks to "open file description locks"Jeff Layton1-3/+3
File-private locks have been merged into Linux for v3.15, and *now* people are commenting that the name and macro definitions for the new file-private locks suck. ...and I can't even disagree. The names and command macros do suck. We're going to have to live with these for a long time, so it's important that we be happy with the names before we're stuck with them. The consensus on the lists so far is that they should be rechristened as "open file description locks". The name isn't a big deal for the kernel, but the command macros are not visually distinct enough from the traditional POSIX lock macros. The glibc and documentation folks are recommending that we change them to look like F_OFD_{GETLK|SETLK|SETLKW}. That lessens the chance that a programmer will typo one of the commands wrong, and also makes it easier to spot this difference when reading code. This patch makes the following changes that I think are necessary before v3.15 ships: 1) rename the command macros to their new names. These end up in the uapi headers and so are part of the external-facing API. It turns out that glibc doesn't actually use the fcntl.h uapi header, but it's hard to be sure that something else won't. Changing it now is safest. 2) make the the /proc/locks output display these as type "OFDLCK" Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Carlos O'Donell <carlos@redhat.com> Cc: Stefan Metzmacher <metze@samba.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Frank Filz <ffilzlnx@mindspring.com> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Jeff Layton <jlayton@redhat.com>
2014-04-22ARM: zynq: dt: Add I2C nodes to Zynq device treeSoren Brinkmann3-0/+166
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Tested-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-04-22ARM: zynq: DT: Add 'clock-latency' propertySoren Brinkmann1-0/+1
Specify the 'clock-latency' property to avoid certain cpufreq governors from refusing to work with the following error: ondemand governor failed, too long transition latency of HW, fallback to performance governor Reported-by: Mike Looijmans <mike.looijmans@topic.nl> Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Tested-by: Mike Looijmans <mike.looijmans@topic.nl> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-04-21ARM: OMAP2+: Fix oops for GPMC freeTony Lindgren1-2/+5
If gpmc_cs_remap() fails we will get an error because we are calling release_resource() on an uninitialized resource. Let's fix that by checking the resource flags. And while at it, let's also make gpmc_cs_delete_mem() use the res pointer that we already have to avoid confusion. Without this patch we can get the following error: omap-gpmc 6e000000.gpmc: cannot remap GPMC CS 1 to 0x01000300 Unable to handle kernel NULL pointer dereference at virtual address 00000018 ... (gpmc_cs_free+0x94/0xc8) (gpmc_probe_generic_child+0x178/0x1ec) (gpmc_probe_dt+0x1bc/0x2cc) (gpmc_probe+0x250/0x44c) (platform_drv_probe+0x3c/0x6c) (really_probe+0x74/0x208) (driver_probe_device+0x34/0x50) (bus_for_each_drv+0x60/0x8c) (device_attach+0x80/0xa4) (bus_probe_device+0x88/0xb0) (device_add+0x320/0x450) (of_platform_device_create_pdata+0x80/0x9c) (of_platform_bus_create+0xd0/0x170) (of_platform_bus_create+0x12c/0x170) (of_platform_populate+0x60/0x98) (pdata_quirks_init+0x30/0x48) (customize_machine+0x20/0x48) (do_one_initcall+0x2c/0x14c) (do_basic_setup+0x98/0xd8) (kernel_init_freeable+0x12c/0x1e0) (kernel_init+0x8/0xf0) (ret_from_fork+0x14/0x2c) Code: e1a04000 e59f0070 eb195136 e5942010 (e5923018) Cc: Pekon Gupta <pekon@ti.com> Reviewed-by: Javier Martinez Canillas <javier@dowhile0.org> Signed-off-by: tony Lindgren <tony@atomide.com>
2014-04-20um: Memory corruption on startupAnton Ivanov3-0/+8
The reverse case of this race (you must msync before read) is well known. This is the not so common one. It can be triggered only on systems which do a lot of task switching and only at UML startup. If you are starting 200+ UMLs ~ 0.5% will always die without this fix. Signed-off-by: Anton Ivanov <antivano@cisco.com> [rw: minor whitespace fixes] Signed-off-by: Richard Weinberger <richard@nod.at>
2014-04-20um: Missing pipe handlingAnton Ivanov1-0/+1
UML does not handle sigpipe. As a result when running it under expect or redirecting the IO from the console to an external program it will crash if the program stops or exits. Signed-off-by: Anton Ivanov <antivano@cisco.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2014-04-20uml: Simplify tempdir logic.Tristan Schmelcher1-297/+75
Inferring the mount hierarchy correctly from /proc/mounts is hard when MS_MOVE may have been used, and the previous code did it wrongly. This change simplifies the logic to only require that /dev/shm be _on_ tmpfs (which can be checked trivially with statfs) rather than that it be a _mountpoint_ of tmpfs, since there isn't a compelling reason to be that strict. We also now check for tmpfs on whatever directory we ultimately use so that the user is better informed. This change also moves the more standard TMPDIR environment variable check ahead of the others. Applies to 3.12. Signed-off-by: Tristan Schmelcher <tschmelcher@google.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2014-04-19Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds2-12/+10
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Ingo Molnar: "This fixes the preemption-count imbalance crash reported by Owen Kibel" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce: Fix CMCI preemption bugs
2014-04-19Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds2-12/+16
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Two kernel side fixes: - an Intel uncore PMU driver potential crash fix - a kprobes/perf-call-graph interaction fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Use rdmsrl_safe() when initializing RAPL PMU kprobes/x86: Fix page-fault handling logic
2014-04-18ARM: dts: Add support for the BeagleBoard xM A/BRobert Nelson2-0/+17
BeagleBoard xM A/B has an inverted usb hub enable line vs the xM C Signed-off-by: Robert Nelson <robertcnelson@gmail.com> [tony@atomide.com: updated for missing bracket] Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18Merge tag 'for-v3.15-rc/omap-fixes-a' of ↵Tony Lindgren3-5/+6
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.15/fixes OMAP hwmod and clock fixes for v3.15-rc A few OMAP hwmod and clock fixes for v3.15-rc. Probably the most useful fix is the AM43xx DPLL patch. Basic build, boot, and PM test results are here: http://www.pwsan.com/omap/testlogs/prcm-fixes-a-v3.15-rc/20140411130021/
2014-04-18Merge branch 'fixes-v3.15-rc1'; commit ↵Tony Lindgren1-4/+0
'390403fd79821bbd0c3a0d83307df2be87047b36' into omap-for-v3.15/fixes
2014-04-18Merge branch 'akpm' (incoming from Andrew)Linus Torvalds6-6/+7
Merge misc fixes from Andrew Morton: "13 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: thp: close race between split and zap huge pages mm: fix new kernel-doc warning in filemap.c mm: fix CONFIG_DEBUG_VM_RB description mm: use paravirt friendly ops for NUMA hinting ptes mips: export flush_icache_range mm/hugetlb.c: add cond_resched_lock() in return_unused_surplus_pages() wait: explain the shadowing and type inconsistencies Shiraz has moved Documentation/vm/numa_memory_policy.txt: fix wrong document in numa_memory_policy.txt powerpc/mm: fix ".__node_distance" undefined kernel/watchdog.c:touch_softlockup_watchdog(): use raw_cpu_write() init/Kconfig: move the trusted keyring config option to general setup vmscan: reclaim_clean_pages_from_list() must use mod_zone_page_state()
2014-04-18mips: export flush_icache_rangeKees Cook1-2/+2
The lkdtm module performs tests against executable memory ranges, so it needs to flush the icache for proper behaviors. Other architectures already export this, so do the same for MIPS. [akpm@linux-foundation.org: relocate export sites] Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Sanjay Lal <sanjayl@kymasys.com> Cc: John Crispin <blogic@openwrt.org> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-18Shiraz has movedViresh Kumar4-4/+4
shiraz.hashim@st.com email-id doesn't exist anymore as he has left the company. Replace ST's id with shiraz.linux.kernel@gmail.com. It also updates .mailmap file to fix address for 'git shortlog'. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-18powerpc/mm: fix ".__node_distance" undefinedMike Qiu1-0/+1
CHK include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h ... Building modules, stage 2. WARNING: 1 bad relocations c0000000013d6a30 R_PPC64_ADDR64 uprobes_fetch_type_table WRAP arch/powerpc/boot/zImage.pseries WRAP arch/powerpc/boot/zImage.epapr MODPOST 1849 modules ERROR: ".__node_distance" [drivers/block/nvme.ko] undefined! make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 make: *** Waiting for unfinished jobs.... The reason is symbol "__node_distance" not been exported in powerpc. Signed-off-by: Mike Qiu <qiudayu@linux.vnet.ibm.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Jesse Larrew <jlarrew@linux.vnet.ibm.com> Cc: Robert Jennings <rcj@linux.vnet.ibm.com> Cc: Alistair Popple <alistair@popple.id.au> Cc: Mike Qiu <qiudayu@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-18ARM: dts: Grammar /that will/it will/Geert Uytterhoeven5-6/+6
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: dts: Grammar /is uses/ is used/Geert Uytterhoeven4-4/+4
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: OMAP2+: Fix config name for USB3 PHYKishon Vijay Abraham I1-1/+1
commit a70143 (drivers: phy: usb3/pipe3: Adapt pipe3 driver to Generic PHY Framework) moved phy-omap-usb3 driver in drivers/usb/phy to drivers/phy and also renamed the file to phy-ti-pipe3. It also renamed the config from OMAP_USB3 to TI_PIPE3 in Kconfig. However the config name was not changed in omap2plus_defconfig. Fixed it here. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: dts: am335x: update USB DT referencesLeigh Brown4-8/+8
In "ARM: dts: am33xx: correcting dt node unit address for usb", the usb_ctrl_mod and cppi41dma nodes were updated with the correct register addresses. However, the dts files that reference these nodes were not updated, and those devices are no longer being enabled. This patch corrects the references for the affected dts files. Signed-off-by: Leigh Brown <leigh@solinno.co.uk> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: dts: OMAP2+: remove uses of obsolete gpmc,device-nandJohan Hovold3-3/+0
Remove all remaining uses of gpmc,device-nand that have been added since the property was removed by commit f40739faba8e ("ARM: dts: OMAP2+: Simplify NAND support"). Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: AM335X: EVM: fix pinmux documentation in devicetreeWolfram Sang1-2/+2
Wrong documentation in pinmux description can be especially confusing. Keep it proper. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: OMAP2+: N900: remove omapdss init for DT bootSebastian Reichel1-1/+1
Do not try to initialize display for DT boot, since omapdss is now initialized via Device Tree. Without this patch the display subsystem does not properly come up. Signed-off-by: Sebastian Reichel <sre@kernel.org> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: dts: dra7xx-clocks: Correct mcasp2_ahclkx_mux bit-shiftPeter Ujfalusi1-1/+1
The correct bit is 24 for AHCLKX. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARM: dts: omap5: Add clocks to USB3 PHY nodeRoger Quadros1-0/+6
The USB3 PHY driver (ti-pipe3) was updated so that the relevant clock phandles are expected in the DT node. Provide the necessary clocks. Reported-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-04-18ARC: Delete stale barrier.hVineet Gupta1-37/+0
Commit 93ea02bb8435 ("arch: Clean up asm/barrier.h implementations") wired generic barrier.h for ARC, but failed to delete the existing file. In 3.15, due to rcupdate.h updates, this causes a build breakage on ARC: CC arch/arc/kernel/asm-offsets.s In file included from include/linux/sched.h:45:0, from arch/arc/kernel/asm-offsets.c:9: include/linux/rculist.h: In function __list_add_rcu: include/linux/rculist.h:54:2: error: implicit declaration of function smp_store_release [-Werror=implicit-function-declaration] rcu_assign_pointer(list_next_rcu(prev), new); ^ Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-18Merge tag 'pci-v3.15-fixes-1' of ↵Linus Torvalds1-4/+6
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "These are fixes for a powerpc NULL pointer dereference, an OF interrupt mapping issue on some of the new host bridges, and a DesignWare iATU issue. Host bridge drivers - Fix OF interrupt mapping for DesignWare, R-Car, Tegra (Lucas Stach) - Fix DesignWare iATU programming (Mohit Kumar) Miscellaneous - Fix powerpc NULL dereference from list_for_each_entry() update (Mike Qiu)" * tag 'pci-v3.15-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: tegra: Use new OF interrupt mapping when possible PCI: rcar: Use new OF interrupt mapping when possible PCI: designware: Use new OF interrupt mapping when possible PCI: designware: Fix iATU programming for cfg1, io and mem viewport PCI: designware: Fix comment for setting number of lanes powerpc/PCI: Fix NULL dereference in sys_pciconfig_iobase() list traversal
2014-04-18perf/x86/intel: Use rdmsrl_safe() when initializing RAPL PMUVenkatesh Srinivas1-3/+9
CPUs which should support the RAPL counters according to Family/Model/Stepping may still issue #GP when attempting to access the RAPL MSRs. This may happen when Linux is running under KVM and we are passing-through host F/M/S data, for example. Use rdmsrl_safe to first access the RAPL_POWER_UNIT MSR; if this fails, do not attempt to use this PMU. Signed-off-by: Venkatesh Srinivas <venkateshs@google.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1394739386-22260-1-git-send-email-venkateshs@google.com Cc: zheng.z.yan@intel.com Cc: eranian@google.com Cc: ak@linux.intel.com Cc: linux-kernel@vger.kernel.org [ The patch also silently fixes another bug: rapl_pmu_init() didn't handle the memory alloc failure case previously. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-17genirq: Allow forcing cpu affinity of interruptsThomas Gleixner1-1/+1
The current implementation of irq_set_affinity() refuses rightfully to route an interrupt to an offline cpu. But there is a special case, where this is actually desired. Some of the ARM SoCs have per cpu timers which require setting the affinity during cpu startup where the cpu is not yet in the online mask. If we can't do that, then the local timer interrupt for the about to become online cpu is routed to some random online cpu. The developers of the affected machines tried to work around that issue, but that results in a massive mess in that timer code. We have a yet unused argument in the set_affinity callbacks of the irq chips, which I added back then for a similar reason. It was never required so it got not used. But I'm happy that I never removed it. That allows us to implement a sane handling of the above scenario. So the affected SoC drivers can add the required force handling to their interrupt chip, switch the timer code to irq_force_affinity() and things just work. This does not affect any existing user of irq_set_affinity(). Tagged for stable to allow a simple fix of the affected SoC clock event drivers. Reported-and-tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Tomasz Figa <t.figa@samsung.com>, Cc: Daniel Lezcano <daniel.lezcano@linaro.org>, Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: linux-arm-kernel@lists.infradead.org, Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20140416143315.717251504@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-04-17Merge branch 'parisc-3.15' of ↵Linus Torvalds6-14/+14
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc updates from Helge Deller: "There are two major changes in this patchset: The major fix is that the epoll_pwait() syscall for 32bit userspace was not using the compat wrapper on a 64bit kernel. Secondly we changed the value of SHMLBA from 4MB to PAGE_SIZE to reflect that we can actually mmap to any multiple of PAGE_SIZE. The only thing which needs care is that shared mmaps need to be mapped at the same offset inside the 4MB cache window" * 'parisc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: fix epoll_pwait syscall on compat kernel parisc: change value of SHMLBA from 0x00400000 to PAGE_SIZE parisc: Replace __get_cpu_var uses for address calculation
2014-04-17Merge tag 'stable/for-linus-3.15-rc1-tag' of ↵Linus Torvalds3-10/+23
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull Xen fixes from David Vrabel: "Xen regression and bug fixes for 3.15-rc1: - fix completely broken 32-bit PV guests caused by x86 refactoring 32-bit thread_info. - only enable ticketlock slow path on Xen (not bare metal) - fix two bugs with PV guests not shutting down when requested - fix a minor memory leak in xen-pciback error path" * tag 'stable/for-linus-3.15-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/manage: Poweroff forcefully if user-space is not yet up. xen/xenbus: Avoid synchronous wait on XenBus stalling shutdown/restart. xen/spinlock: Don't enable them unconditionally. xen-pciback: silence an unwanted debug printk xen: fix memory leak in __xen_pcibk_add_pci_dev() x86/xen: Fix 32-bit PV guests's usage of kernel_stack
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