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* Merge branch 'merge' of ↵Linus Torvalds2013-08-1114-99/+170
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc Pull powerpc fixes from Ben Herrenschmidt: "This includes small series from Michael Neuling to fix a couple of nasty remaining problems with the new Power8 support, also targeted at stable 3.10, without which some new userspace accessible registers aren't properly context switched, and in some case, can be clobbered by the user of transactional memory. Along with that, a few slightly more minor things, such as a missing Kconfig option to enable handling of denorm exceptions when not running under a hypervisor (or userspace will randomly crash when hitting denorms with the vector unit), some nasty bugs in the new pstore oops code, and other simple bug fixes worth having in now. Note: I picked up the two powerpc KVM fixes as Alex Graf asked me to handle KVM bits while he is on vacation. However I'll let him decide whether they should go to -stable or not when he is back" * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/tm: Fix context switching TAR, PPR and DSCR SPRs powerpc: Save the TAR register earlier powerpc: Fix context switch DSCR on POWER8 powerpc: Rework setting up H/FSCR bit definitions powerpc: Fix hypervisor facility unavaliable vector number powerpc/kvm/book3s_pr: Return appropriate error when allocation fails powerpc/kvm: Add signed type cast for comparation powerpc/eeh: Add missing procfs entry for PowerNV powerpc/pseries: Add backward compatibilty to read old kernel oops-log powerpc/pseries: Fix buffer overflow when reading from pstore powerpc: On POWERNV enable PPC_DENORMALISATION by default
| * powerpc/tm: Fix context switching TAR, PPR and DSCR SPRsMichael Neuling2013-08-093-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a transaction is rolled back, the Target Address Register (TAR), Processor Priority Register (PPR) and Data Stream Control Register (DSCR) should be restored to the checkpointed values before the transaction began. Any changes to these SPRs inside the transaction should not be visible in the abort handler. Currently Linux doesn't save or restore the checkpointed TAR, PPR or DSCR. If we preempt a processes inside a transaction which has modified any of these, on process restore, that same transaction may be aborted we but we won't see the checkpointed versions of these SPRs. This adds checkpointed versions of these SPRs to the thread_struct and adds the save/restore of these three SPRs to the treclaim/trechkpt code. Without this if any of these SPRs are modified during a transaction, users may incorrectly see a speculated SPR value even if the transaction is aborted. Signed-off-by: Michael Neuling <mikey@neuling.org> Cc: <stable@vger.kernel.org> [v3.10] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc: Save the TAR register earlierMichael Neuling2013-08-093-9/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This moves us to save the Target Address Register (TAR) a earlier in __switch_to. It introduces a new function save_tar() to do this. We need to save the TAR earlier as we will overwrite it in the transactional memory reclaim/recheckpoint path. We are going to do this in a subsequent patch which will fix saving the TAR register when it's modified inside a transaction. Signed-off-by: Michael Neuling <mikey@neuling.org> Cc: <stable@vger.kernel.org> [v3.10] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc: Fix context switch DSCR on POWER8Michael Neuling2013-08-092-25/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | POWER8 allows the DSCR to be accessed directly from userspace via a new SPR number 0x3 (Rather than 0x11. DSCR SPR number 0x11 is still used on POWER8 but like POWER7, is only accessible in HV and OS modes). Currently, we allow this by setting H/FSCR DSCR bit on boot. Unfortunately this doesn't work, as the kernel needs to see the DSCR change so that it knows to no longer restore the system wide version of DSCR on context switch (ie. to set thread.dscr_inherit). This clears the H/FSCR DSCR bit initially. If a process then accesses the DSCR (via SPR 0x3), it'll trap into the kernel where we set thread.dscr_inherit in facility_unavailable_exception(). We also change _switch() so that we set or clear the H/FSCR DSCR bit based on the thread.dscr_inherit. Signed-off-by: Michael Neuling <mikey@neuling.org> Cc: <stable@vger.kernel.org> [v3.10] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc: Rework setting up H/FSCR bit definitionsMichael Neuling2013-08-091-11/+20
| | | | | | | | | | | | | | | | | | | | | | | | This reworks the Facility Status and Control Regsiter (FSCR) config bit definitions so that we can access the bit numbers. This is needed for a subsequent patch to fix the userspace DSCR handling. HFSCR and FSCR bit definitions are the same, so reuse them. Signed-off-by: Michael Neuling <mikey@neuling.org> Cc: <stable@vger.kernel.org> [v3.10] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc: Fix hypervisor facility unavaliable vector numberMichael Neuling2013-08-091-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently if we take hypervisor facility unavaliable (from 0xf80/0x4f80) we mark it as an OS facility unavaliable (0xf60) as the two share the same code path. The becomes a problem in facility_unavailable_exception() as we aren't able to see the hypervisor facility unavailable exceptions. Below fixes this by duplication the required macros. Signed-off-by: Michael Neuling <mikey@neuling.org> Cc: <stable@vger.kernel.org> [v3.10] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc/kvm/book3s_pr: Return appropriate error when allocation failsThadeu Lima de Souza Cascardo2013-08-091-2/+3
| | | | | | | | | | | | | | | | | | err was overwritten by a previous function call, and checked to be 0. If the following page allocation fails, 0 is going to be returned instead of -ENOMEM. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc/kvm: Add signed type cast for comparationChen Gang2013-08-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | 'rmls' is 'unsigned long', lpcr_rmls() will return negative number when failure occurs, so it need a type cast for comparing. 'lpid' is 'unsigned long', kvmppc_alloc_lpid() return negative number when failure occurs, so it need a type cast for comparing. Signed-off-by: Chen Gang <gang.chen@asianux.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc/eeh: Add missing procfs entry for PowerNVMike Qiu2013-08-091-1/+1
| | | | | | | | | | | | | | | | | | The procfs entry for global statistics has been missed on PowerNV platform and the patch is going to add that. Signed-off-by: Mike Qiu <qiudayu@linux.vnet.ibm.com> Acked-by: Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc/pseries: Add backward compatibilty to read old kernel oops-logAruna Balakrishnaiah2013-08-091-4/+14
| | | | | | | | | | | | | | | | | | | | Older kernels has just length information in their header. Handle it while reading old kernel oops log from pstore. Applies on top of powerpc/pseries: Fix buffer overflow when reading from pstore Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc/pseries: Fix buffer overflow when reading from pstoreAruna Balakrishnaiah2013-08-091-46/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | When reading from pstore there is a buffer overflow during decompression due to the header added in unzip_oops. Remove unzip_oops and call pstore_decompress directly in nvram_pstore_read. Allocate buffer of size report_length of the oops header as header will not be deallocated in pstore. Since we have 'openssl' command line tool to decompress the compressed data, dump the compressed data in case decompression fails instead of not dumping anything. Signed-off-by: Aruna Balakrishnaiah <aruna@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| * powerpc: On POWERNV enable PPC_DENORMALISATION by defaultAnton Blanchard2013-08-091-1/+1
| | | | | | | | | | | | | | | | | | | | We want PPC_DENORMALISATION enabled when POWERNV is enabled, so update the Kconfig. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: <stable@vger.kernel.org>
* | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds2013-08-112-9/+16
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | Pull s390 kvm fixes from Paolo Bonzini: "Two fixes for s390" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: s390: fix pfmf non-quiescing control handling KVM: s390: move kvm_guest_enter,exit closer to sie
| * | KVM: s390: fix pfmf non-quiescing control handlingHeiko Carstens2013-07-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the test within handle_pfmf() if the host has the NQ key-setting facility installed. Right now the code would incorrectly generate a program check in the guest if the NQ control bit for a pfmf request was set and if the host has the NQ key-setting facility installed. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| * | KVM: s390: move kvm_guest_enter,exit closer to sieDominik Dingel2013-07-291-7/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Any uaccess between guest_enter and guest_exit could trigger a page fault, the page fault handler would handle it as a guest fault and translate a user address as guest address. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> CC: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* | | Merge tag 'fbdev-fixes-3.11-rc5' of ↵Linus Torvalds2013-08-091-1/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux Pull fbdev fixes from Tomi Valkeinen: - omapdss: compilation fix and DVI fix for PandaBoard - mxsfb: fix colors when using 18bit LCD bus * tag 'fbdev-fixes-3.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: ARM: OMAP: dss-common: fix Panda's DVI DDC channel video: mxsfb: fix color settings for 18bit data bus and 32bpp OMAPDSS: analog-tv-connector: compile fix
| * | | ARM: OMAP: dss-common: fix Panda's DVI DDC channelTomi Valkeinen2013-08-021-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Panda's DVI connector's DDC pins are connected to OMAP's third i2c bus. With non-DT, the bus number was 3, and that is what is used in the dss-common.c which contains the platform data for Panda's DVI. However, with DT, the bus number is 2. As we now only have DT boot for Panda, we have to change the bus number to make DVI EDID read operational. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2013-08-081-1/+0
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32 Pull AVR32 build fix from Hans-Christian Egtvedt. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32: avr32: boards/atngw100/mrmt.c: fix building error
| * | | avr32: boards/atngw100/mrmt.c: fix building errorCong Ding2013-08-081-1/+0
| | |/ | |/| | | | | | | | | | | | | | | | there is an additional "{", which causes building error. Signed-off-by: Cong Ding <dinggnu@gmail.com> Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
* | | Merge tag 'fixes-for-linus' of ↵Linus Torvalds2013-08-0820-107/+146
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Kevin Hilman: - MSM: GPIO fixes (includes old code removal) - OMAP: earlyprintk regression, AM33xx cpgmac PM regression - OMAP5: urgent fix for potentially harmful voltage regulator values - Renesas: gpio-keys fix, fix SD card detection, fix shdma calculation error - STi: critical SMP boot fix - tegra: DTS fix for usb-phy - a couple MAINTAINERS updates (Arnd is on paternity leave, Kevin is stepping up to help arm-soc maintenance) * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: MAINTAINERS: add TI Keystone ARM platform MAINTAINERS: delete Srinidhi from ux500 ARM: tegra: enable ULPI phy on Colibri T20 ARM: STi: remove sti_secondary_start from INIT section. ARM: STi: Fix cpu nodes with correct device_type. ARM: shmobile: lager: do not annotate gpio_buttons as __initdata ARM: shmobile: BOCK-W: fix SDHI0 PFC settings shdma: fixup sh_dmae_get_partial() calculation error ARM: OMAP2+: hwmod: AM335x: fix cpgmac address space ARM: OMAP2+: hwmod: rt address space index for DT ARM: OMAP2+: Sync hwmod state with the pm_runtime and omap_device state ARM: OMAP2+: Avoid idling memory controllers with no drivers ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LL ARM: dts: omap5-uevm: update optional/unused regulator configurations ARM: dts: omap5-uevm: fix regulator configurations mandatory for SoC ARM: dts: omap5-uevm: document regulator signals used on the actual board ARM: msm: Consolidate gpiomux for older architectures ARM: shmobile: armadillo800eva: Don't request GPIO 166 in board code ARM: msm: dts: Fix the gpio register address for msm8960
| * | ARM: tegra: enable ULPI phy on Colibri T20Lucas Stach2013-08-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This was missed when splitting out the phy from the controller node in commit 9dffe3be3f32 (ARM: tegra: modify ULPI reset GPIO properties). Signed-off-by: Lucas Stach <dev@lynxeye.de> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Olof Johansson <olof@lixom.net>
| * | ARM: STi: remove sti_secondary_start from INIT section.Srinivas Kandagatla2013-08-041-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes sti_secondary_start from _INIT section, there are 2 reason for this removal. 1. discarding such a small code does not save much, given the RAM sizes. 2. Having this code discarded, creates corruption issue when we boot smp-kernel with nrcpus=1 or with single cpu node in DT. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Olof Johansson <olof@lixom.net>
| * | ARM: STi: Fix cpu nodes with correct device_type.Srinivas Kandagatla2013-08-041-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes cpu nodes with device_type = "cpu". This change was not necessary before 3.10-rc7. Without this patch STi SOCs does not boot as SMP. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: Olof Johansson <olof@lixom.net>
| * | Merge tag 'renesas-fixes2-for-v3.11' of ↵Olof Johansson2013-08-043-5/+8
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes From Simon Horman: Second round of Renesas ARM based SoC fixes for v3.11 * Lager board: do not annotate gpio_buttons as __initdata - This avoids accessing uninitialised memory if keys are pressed after kernel initialisation completes. - Bug introduced in gpio-keys were enabled in v3.11-rc1 * Bock-W board: fix SDHI0 PFC settings - Allow detection of SD card - Bug introduced in SDHI support was added in v3.11-rc1 * shdma: fixup sh_dmae_get_partial() calculation error - Bug introduced in 2.6.34-rc1. * armadillo800eva board: Don't request GPIO 166 in board code - Allow use of touchscreen - Bug introduced in v3.11-rc1 * tag 'renesas-fixes2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: lager: do not annotate gpio_buttons as __initdata ARM: shmobile: BOCK-W: fix SDHI0 PFC settings shdma: fixup sh_dmae_get_partial() calculation error ARM: shmobile: armadillo800eva: Don't request GPIO 166 in board code Signed-off-by: Olof Johansson <olof@lixom.net>
| | * | ARM: shmobile: lager: do not annotate gpio_buttons as __initdataSimon Horman2013-07-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When the gpio-keys device is registered using platform_device_register_data() the platform data argument, lager_keys_pdata is duplicated and thus should be marked as __initdata to avoid wasting memory. However, this is not true of gpio_buttons, a reference to it rather than its value is duplicated when lager_keys_pdata is duplicated. This avoids accessing freed memory if gpio-key events occur after unused kernel memory is freed late in the kernel's boot. This but was added when support for gpio-keys was added to lager in c3842e4fcbb7664276443b79187b7808c2e80a35 ("ARM: shmobile: lager: support GPIO switches") which was included in v3.11-rc1. Tested-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
| | * | ARM: shmobile: BOCK-W: fix SDHI0 PFC settingsSergei Shtylyov2013-07-311-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following message is printed on the BOCK-W kernel bootup: sh-pfc pfc-r8a7778: invalid group "sdhi0" for function "sdhi0" In addition, SD card cannot be detected. The reason is apparently that commit ca7bb309485e4ec89a9addd47bea (ARM: shmobile: bockw: add SDHI0 support) matched the previous version of commit 564617d2f92473031d035deb273da5 (sh-pfc: r8a7778: add SDHI support). Add the missing pin groups according to the BOCK-W board schematics. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
| | * | ARM: shmobile: armadillo800eva: Don't request GPIO 166 in board codeKuninori Morimoto2013-07-251-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 89ae7b5bbd3e65bc6ab7a577ca5ec18569589c8c (ARM: shmobile: armadillo800eva: Register pinctrl mapping for INTC) mistakenly requests GPIO 166 in board code, most probably due to a wrong merge conflict resolution. As the GPIO is passed to the st1232 driver through platform data and requested by the driver, there's no need to request it in board code. Fix it. Tested by: Cao Minh Hiep <cm-hiep@jinso.co.jp> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
| * | | Merge tag 'for-v3.11-rc/omap-fixes-b' of ↵Olof Johansson2013-08-049-24/+83
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes From Paul Walmsley via Tony Lindgren: Some OMAP hwmod fixes for v3.11-rc. Mostly intended to fix an earlyprintk regression and an AM33xx cpgmac power management regression. Basic build, boot, and PM tests are available here: http://www.pwsan.com/omap/testlogs/hwmod_fixes_a_v3.11-rc/20130730042132/ The tests include temporary fixes for the unrelated 2430SDP and OMAP3 boot regressions, which are not part of this signed tag. * tag 'for-v3.11-rc/omap-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending: ARM: OMAP2+: hwmod: AM335x: fix cpgmac address space ARM: OMAP2+: hwmod: rt address space index for DT ARM: OMAP2+: Sync hwmod state with the pm_runtime and omap_device state ARM: OMAP2+: Avoid idling memory controllers with no drivers ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LL Signed-off-by: Olof Johansson <olof@lixom.net>
| | * | | ARM: OMAP2+: hwmod: AM335x: fix cpgmac address spaceAfzal Mohammed2013-07-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Register target address to be used for cpgmac is the second device address space. By default, hwmod picks first address space (0th index) for register target. With removal of address space from hwmod and using DT instead, cpgmac is getting wrong address space for register target. Fix it by indicating the address space to be used for register target. Signed-off-by: Afzal Mohammed <afzal@ti.com> Tested-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
| | * | | ARM: OMAP2+: hwmod: rt address space index for DTAfzal Mohammed2013-07-302-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Address space is being removed from hwmod database and DT information in <reg> property is being used. Currently the 0th index of device address space is used to map for register target address. This is not always true, eg. cpgmac has it's sysconfig in second address space. Handle it by specifying index of device address space to be used for register target. As default value of this field would be zero with static initialization, existing behaviour of using first address space for register target while using DT would be kept as such. Signed-off-by: Afzal Mohammed <afzal@ti.com> Tested-by: Mugunthan V N <mugunthanvnm@ti.com> [paul@pwsan.com: use u8 rather than int to save memory] Signed-off-by: Paul Walmsley <paul@pwsan.com>
| | * | | ARM: OMAP2+: Sync hwmod state with the pm_runtime and omap_device stateRajendra Nayak2013-07-301-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some hwmods which are marked with HWMOD_INIT_NO_IDLE are left in enabled state post setup(). When a omap_device gets created for such hwmods make sure the omap_device and pm_runtime states are also in sync for such hwmods by doing a omap_device_enable() and pm_runtime_set_active() for the device. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Mark Jackson <mpfj-list@newflow.co.uk> Signed-off-by: Paul Walmsley <paul@pwsan.com>
| | * | | ARM: OMAP2+: Avoid idling memory controllers with no driversRajendra Nayak2013-07-301-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Memory controllers in OMAP (like GPMC and EMIF) have the hwmods marked with HWMOD_INIT_NO_IDLE and are left in enabled state post initial setup. Even if they have drivers missing, avoid idling them as part of omap_device_late_idle() Signed-off-by: Rajendra Nayak <rnayak@ti.com> Tested-by: Mark Jackson <mpfj-list@newflow.co.uk> Signed-off-by: Paul Walmsley <paul@pwsan.com>
| | * | | ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LLRajendra Nayak2013-07-307-23/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With commit '82702ea11ddfe0e43382e1fa5b66d807d8114916' "ARM: OMAP2+: Fix serial init for device tree based booting" stubbing out omap_serial_early_init() for Device tree based booting, there was a crash observed on AM335x based devices when hwmod does a _setup_reset() early at boot. This was rootcaused to hwmod trying to reset console uart while earlycon was using it. The way to tell hwmod not to do this is to specify the HWMOD_INIT_NO_RESET flag, which were infact set by the omap_serial_early_init() function by parsing the cmdline to identify the console device. Parsing the cmdline to identify the uart used by earlycon itself seems broken as there is nothing preventing earlycon to use a different one. This patch, instead, attempts to populate the requiste flags for hwmod based on the CONFIG_DEBUG_OMAPxUARTy FLAGS. This gets rid of the need for cmdline parsing in the DT as well as non-DT cases to identify the uart used by earlycon. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Reported-by: Mark Jackson <mpfj-list@newflow.co.uk> Reported-by: Vaibhav Bedia <vaibhav.bedia@ti.com> Tested-by: Mark Jackson <mpfj-list@newflow.co.uk> Signed-off-by: Paul Walmsley <paul@pwsan.com>
| * | | | Merge tag 'omap-for-v3.11/fixes-omap5' of ↵Olof Johansson2013-08-041-29/+49
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes From Tony Lindgren: Fixes for omap5-uevm regulators from Nishanth Menon <nm@ti.com>: Due to wrong older revision of documentation used as reference, we seem to have a bunch of LDOs wrongly configured on OMAP5 uEVM. This series is based power tree on production board 750-2628-XXX platform. Unfortunately, the wrong voltages may be detrimental to OMAP5 as they supply hardware blocks at voltages that are out of specification. There is a chance that without these fixes there can be hardware damage to omap5-uevm boards with the v3.11-rc series. * tag 'omap-for-v3.11/fixes-omap5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: dts: omap5-uevm: update optional/unused regulator configurations ARM: dts: omap5-uevm: fix regulator configurations mandatory for SoC ARM: dts: omap5-uevm: document regulator signals used on the actual board Signed-off-by: Olof Johansson <olof@lixom.net>
| | * | | | ARM: dts: omap5-uevm: update optional/unused regulator configurationsNishanth Menon2013-07-291-9/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit e00c27ef3b4c23e39d0a77b7c8e5be44c28001c7 (ARM: dts: OMAP5: Add Palmas MFD node and regulator nodes) introduced regulator entries for OMAP5uEVM. However, The regulator information is based on an older temporary pre-production board variant and does not reflect production board 750-2628-XXX boards. The following optional/unused regulators can be updated: - SMPS9 supplies TWL6040 over VDDA_2v1_AUD. This regulator needs to be enabled only when audio is active. Since it does not come active by default, it does not require "always-on" or "boot-on". - LDO2 and LDO8 do not go to any peripheral or connector on the board. Further, these unused regulators should have been 2.8V for LDO2 and 3.0V for LDO8. Mark these LDOs as disabled in the dts until needed. Reported-by: Marc Jüttner <m-juettner@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: J Keerthy <j-keerthy@ti.com> Acked-by: Benoit Cousson <benoit.cousson@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| | * | | | ARM: dts: omap5-uevm: fix regulator configurations mandatory for SoCNishanth Menon2013-07-291-20/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit e00c27ef3b4c23e39d0a77b7c8e5be44c28001c7 (ARM: dts: OMAP5: Add Palmas MFD node and regulator nodes) introduced regulator entries for OMAP5uEVM. However, The regulator information is based on an older temporary pre-production board variant and does not reflect production board 750-2628-XXX boards. The following fixes are hence mandatory to ensure right voltage is supplied to key OMAP5 SoC voltage rails: - LDO1 supplies VDDAPHY_CAM which is OMAP5's vdda_csiporta/b/c. This can only be supplied at 1.5V or 1.8V and we currently supply 2.8V. To prevent any potential device damage risk, use the specified 1.5V-1.8V supply. Remove 'always-on' and 'boot-on' settings here as it is a 'on need' supply to SoC IP and is not enabled by PMIC by default at boot. - LDO3 supplies Low Latency Interface(LLI) hardware module which is a special hardware to communicate with Modem. However since uEVM is not setup by default for this communication, this should be disabled by default. Further, vdda_lli is supposed to be 1.5V and not 3V. - LDO4 supplies VDDAPHY_DISP which is vdda_dsiporta/c/vdda_hdmi This can only be supplied at 1.5V or 1.8V and we currently supply 2.2V. To prevent any potential device damage risk, use the specified 1.5V-1.8V supply. Remove 'always-on' and 'boot-on' settings here as it is a 'on need' supply to SoC IP and is not enabled by PMIC by default at boot. - LDO6 supplies the board specified VDDS_1V2_WKUP supply going to ldo_emu_wkup/vdds_hsic. To stay within the SoC specification supply 1.2V instead of 1.5V. - LDO7 supplies VDD_VPP which is vpp1. This is currently configured for 1.5V which as per data manual "A pulse width of 1000 ns and an amplitude of 2V is required to program each eFuse bit. Otherwise, VPP1 must not be supplied". So, fix the voltage to 2V. and disable the supply since we have no plans of programming efuse bits - it can only be done once - in factory. Further it is not enabled by default by PMIC so, 'boot-on' must be removed, and the 'always-on' needs to be removed to achieve pulsing if efuse needs to be programmed. - LDO9 supplies the board specified vdds_sdcard supply going within SoC specification of 1.8V or 3.0V. Further the supply is controlled by switch enabled by REGEN3. So, introduce REGEN3 and map sdcard slot to be powered by LDO9. Remove 'always-on' allowing the LDO to be disabled on need basis. Reported-by: Marc Jüttner <m-juettner@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: J Keerthy <j-keerthy@ti.com> Acked-by: Benoit Cousson <benoit.cousson@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| | * | | | ARM: dts: omap5-uevm: document regulator signals used on the actual boardNishanth Menon2013-07-291-0/+18
| | | |/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit e00c27ef3b4c23e39d0a77b7c8e5be44c28001c7 (ARM: dts: OMAP5: Add Palmas MFD node and regulator nodes) introduced regulator entries for OMAP5uEVM. However, currently we use the Palmas regulator names which is used for different purposes on uEVM. Document the same based on 750-2628-XXX boards - which is meant to be supported by this dts. Reported-by: Marc Jüttner <m-juettner@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: J Keerthy <j-keerthy@ti.com> Acked-by: Benoit Cousson <benoit.cousson@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * | | | Merge tag 'msm-3.11-fix1' of ↵Olof Johansson2013-08-044-47/+3
| |\ \ \ \ | | |_|/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into fixes From David Brown, fixes for MSM for 3.11: Two small fixes for MSM. The first fixes the a gpio controller register address. I didn't see any acks from the devicetree maintainers, so I've copied them on this pull request. The change itself is minor, and just to the register address. The second change removes the gpiomux V1 code from MSM. This was breaking compilation for some of the targets. * tag 'msm-3.11-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm: ARM: msm: Consolidate gpiomux for older architectures ARM: msm: dts: Fix the gpio register address for msm8960 Signed-off-by: Olof Johansson <olof@lixom.net>
| | * | | ARM: msm: Consolidate gpiomux for older architecturesRohit Vaswani2013-07-263-45/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Msm gpiomux can be used only for 7x30 and 8x50. Prevent compilation and fix build issues on 7X00, 8X60 and 8960. Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
| | * | | ARM: msm: dts: Fix the gpio register address for msm8960Rohit Vaswani2013-07-181-2/+2
| | |/ / | | | | | | | | | | | | | | | | | | | | | | | | Fix the the gpio reg address for the device tree entry. Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
* | | | Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds2013-08-064-8/+19
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 fixes from Peter Anvin. * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, amd, microcode: Fix error path in apply_microcode_amd() x86, fpu: correct the asm constraints for fxsave, unbreak mxcsr.daz x86, efi: correct call to free_pages x86/iommu/vt-d: Expand interrupt remapping quirk to cover x58 chipset
| * | | | x86, amd, microcode: Fix error path in apply_microcode_amd()Torsten Kaiser2013-07-311-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Return -1 (like Intels apply_microcode) when the loading fails, also do not set the active microcode level on failure. Signed-off-by: Torsten Kaiser <just.for.lkml@googlemail.com> Link: http://lkml.kernel.org/r/20130723225823.2e4e7588@googlemail.com Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| * | | | Merge tag 'efi-urgent' of ↵Ingo Molnar2013-07-301-1/+1
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/urgent Pull EFI fix from Matt Fleming: * The size of memory that gets freed by free_pages() needs to be specified in pages, not bytes - by Roy Franz. Signed-off-by: Ingo Molnar <mingo@kernel.org>
| | * | | | x86, efi: correct call to free_pagesRoy Franz2013-07-261-1/+1
| | | |_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | Specify memory size in pages, not bytes. Signed-off-by: Roy Franz <roy.franz@linaro.org> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
| * | | | x86, fpu: correct the asm constraints for fxsave, unbreak mxcsr.dazH.J. Lu2013-07-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GCC will optimize mxcsr_feature_mask_init in arch/x86/kernel/i387.c: memset(&fx_scratch, 0, sizeof(struct i387_fxsave_struct)); asm volatile("fxsave %0" : : "m" (fx_scratch)); mask = fx_scratch.mxcsr_mask; if (mask == 0) mask = 0x0000ffbf; to memset(&fx_scratch, 0, sizeof(struct i387_fxsave_struct)); asm volatile("fxsave %0" : : "m" (fx_scratch)); mask = 0x0000ffbf; since asm statement doesn’t say it will update fx_scratch. As the result, the DAZ bit will be cleared. This patch fixes it. This bug dates back to at least kernel 2.6.12. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Cc: <stable@vger.kernel.org>
| * | | | x86/iommu/vt-d: Expand interrupt remapping quirk to cover x58 chipsetNeil Horman2013-07-231-2/+12
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recently we added an early quirk to detect 5500/5520 chipsets with early revisions that had problems with irq draining with interrupt remapping enabled: commit 03bbcb2e7e292838bb0244f5a7816d194c911d62 Author: Neil Horman <nhorman@tuxdriver.com> Date: Tue Apr 16 16:38:32 2013 -0400 iommu/vt-d: add quirk for broken interrupt remapping on 55XX chipsets It turns out this same problem is present in the intel X58 chipset as well. See errata 69 here: http://www.intel.com/content/www/us/en/chipsets/x58-express-specification-update.html This patch extends the pci early quirk so that the chip devices/revisions specified in the above update are also covered in the same way: Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Jan Beulich <jbeulich@suse.com> Acked-by: Donald Dutile <ddutile@redhat.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Andrew Cooper <andrew.cooper3@citrix.com> Cc: Malcolm Crossley <malcolm.crossley@citrix.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Don Zickus <dzickus@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1374059639-8631-1-git-send-email-nhorman@tuxdriver.com [ Small edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
* | | | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2013-08-064-3/+13
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS fixes from Ralf Baechle: "Two platform-specific fixes plus a fix for oprofile which was calling smp_processor_id() in preemptible code" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: BMIPS: fix hardware interrupt routing for boot CPU != 0 MIPS: oprofile: Fix BUG due to smp_processor_id() in preemptible code. MIPS: PNX833x: PNX8335_PCI_ETHERNET_INT depends on CONFIG_SOC_PNX8335
| * | | | MIPS: BMIPS: fix hardware interrupt routing for boot CPU != 0Florian Fainelli2013-08-051-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hardware interrupt routing for boot CPU != 0 is wrong because it will route all the hardware interrupts to TP0 which is not the one we booted from. Fix this by properly checking which boot CPU we are booting from and updating the right interrupt mask for the boot CPU. This fixes booting on BCM3368 with bmips_smp_emabled = 0. Signed-off-by: Florian Fainelli <florian@openwrt.org> Cc: linux-mips@linux-mips.org Cc: blogic@openwrt.org Cc: jogo@openwrt.org Cc: cernekee@gmail.com Patchwork: https://patchwork.linux-mips.org/patch/5650/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | MIPS: oprofile: Fix BUG due to smp_processor_id() in preemptible code.Ralf Baechle2013-08-052-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | current_cpu_type() is not preemption-safe. If CONFIG_PREEMPT is enabled then mipsxx_reg_setup() can be called from preemptible state. Added get_cpu()/put_cpu() pair to make it preemption-safe. This was found while testing oprofile with CONFIG_DEBUG_PREEMPT enable. /usr/zntestsuite # opcontrol --init /usr/zntestsuite # opcontrol --setup --event=L2_CACHE_ACCESSES:500 --event=L2_CACHE_MISSES:500 --no-vmlinux /usr/zntestsuite # opcontrol --start Using 2.6+ OProfile kernel interface. BUG: using smp_processor_id() in preemptible [00000000] code: oprofiled/1362 caller is mipsxx_reg_setup+0x11c/0x164 CPU: 0 PID: 1362 Comm: oprofiled Not tainted 3.10.4 #18 Stack : 00000006 70757465 00000000 00000000 00000000 00000000 80b173f6 00000037 80b10000 00000000 80b21614 88f5a220 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 89c49c00 89c49c2c 80721254 807b7927 8012c1d0 80b10000 80721254 00000000 00000552 88f5a220 80b1335c 807b78e6 89c49ba8 ... Call Trace: [<801099a4>] show_stack+0x64/0x7c [<80665520>] dump_stack+0x20/0x2c [<803a2250>] debug_smp_processor_id+0xe0/0xf0 [<8052df24>] mipsxx_reg_setup+0x11c/0x164 [<8052cd70>] op_mips_setup+0x24/0x4c [<80529cfc>] oprofile_setup+0x5c/0x12c [<8052b9f8>] event_buffer_open+0x78/0xf8 [<801c3150>] do_dentry_open.isra.15+0x2b8/0x3b0 [<801c3270>] finish_open+0x28/0x4c [<801d49b8>] do_last.isra.41+0x2cc/0xd00 [<801d54a0>] path_openat+0xb4/0x4c4 [<801d5c44>] do_filp_open+0x3c/0xac [<801c4744>] do_sys_open+0x110/0x1f4 [<8010f47c>] stack_done+0x20/0x44 Bug reported and original patch by Jerin Jacob <jerinjacobk@gmail.com>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Jerin Jacob <jerinjacobk@gmail.com>
| * | | | MIPS: PNX833x: PNX8335_PCI_ETHERNET_INT depends on CONFIG_SOC_PNX8335Markos Chandras2013-08-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PNX8335_PCI_ETHERNET_INT macro is defined in arch/mips/include/asm/mach-pnx833x/irq-mapping.h only if CONFIG_SOC_PNX8335 is selected. Fixes the following randconfig problem: arch/mips/pnx833x/common/platform.c:210:12: error: 'PNX8335_PIC_ETHERNET_INT' undeclared here (not in a function) Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Acked-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5585/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 04:10:20 +0000