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* Revert "drm/i915: Use crtc_state->active in primary check_plane func"Linus Torvalds2015-07-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit dec4f799d0a4c9edae20512fa60b0a36f3299ca2. Jörg Otte reports a NULL pointder dereference due to this commit, as 'crtc_state' very much can be NULL: crtc_state = state->base.state ? intel_atomic_get_crtc_state(state->base.state, intel_crtc) : NULL; So the change to test 'crtc_state->base.active' cannot possibly be correct as-is. There may be some other minimal fix (like just checking crtc_state for NULL), but I'm just reverting it now for the rc2 release, and people like Daniel Vetter who actually know this code will figure out what the right solution is in the longer term. Reported-and-bisected-by: Jörg Otte <jrg.otte@gmail.com> Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> CC: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2015-07-122-11/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS fixes from Ralf Baechle: "A fair number of 4.2 fixes also because Markos opened the flood gates. - Patch up the math used calculate the location for the page bitmap. - The FDC (Not what you think, FDC stands for Fast Debug Channel) IRQ around was causing issues on non-Malta platforms, so move the code to a Malta specific location. - A spelling fix replicated through several files. - Fix to the emulation of an R2 instruction for R6 cores. - Fix the JR emulation for R6. - Further patching of mindless 64 bit issues. - Ensure the kernel won't crash on CPUs with L2 caches with >= 8 ways. - Use compat_sys_getsockopt for O32 ABI on 64 bit kernels. - Fix cache flushing for multithreaded cores. - A build fix" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: O32: Use compat_sys_getsockopt. MIPS: c-r4k: Extend way_string array MIPS: Pistachio: Support CDMM & Fast Debug Channel MIPS: Malta: Make GIC FDC IRQ workaround Malta specific MIPS: c-r4k: Fix cache flushing for MT cores Revert "MIPS: Kconfig: Disable SMP/CPS for 64-bit" MIPS: cps-vec: Use macros for various arithmetics and memory operations MIPS: kernel: cps-vec: Replace KSEG0 with CKSEG0 MIPS: kernel: cps-vec: Use ta0-ta3 pseudo-registers for 64-bit MIPS: kernel: cps-vec: Replace mips32r2 ISA level with mips64r2 MIPS: kernel: cps-vec: Replace 'la' macro with PTR_LA MIPS: kernel: smp-cps: Fix 64-bit compatibility errors due to pointer casting MIPS: Fix erroneous JR emulation for MIPS R6 MIPS: Fix branch emulation for BLTC and BGEC instructions MIPS: kernel: traps: Fix broken indentation MIPS: bootmem: Don't use memory holes for page bitmap MIPS: O32: Do not handle require 32 bytes from the stack to be readable. MIPS, CPUFREQ: Fix spelling of Institute. MIPS: Lemote 2F: Fix build caused by recent mass rename.
| * MIPS: Malta: Make GIC FDC IRQ workaround Malta specificJames Hogan2015-07-101-10/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Wider testing reveals that the Fast Debug Channel (FDC) interrupt is routed through the GIC just fine on Pistachio SoC, even though it contains interAptiv cores. Clearly the FDC interrupt routing problems previously observed on interAptiv and proAptiv cores are specific to the Malta FPGA bitstreams. Move the workaround for interAptiv and proAptiv out of gic_get_c0_fdc_int() in the GIC irqchip driver into Malta's get_c0_fdc_int() platform callback, to allow the Pistachio SoC to use the FDC interrupt. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Andrew Bresticker <abrestic@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: linux-mips@linux-mips.org Reviewed-by: Andrew Bresticker <abrestic@chromium.org> Cc: James Hartley <james.hartley@imgtec.com> Patchwork: http://patchwork.linux-mips.org/patch/9748/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS, CPUFREQ: Fix spelling of Institute.Ralf Baechle2015-07-071-1/+1
| | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds2015-07-121-0/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "This update from the timer departement contains: - A series of patches which address a shortcoming in the tick broadcast code. If the broadcast device is not available or an hrtimer emulated broadcast device, some of the original assumptions lead to boot failures. I rather plugged all of the corner cases instead of only addressing the issue reported, so the change got a little larger. Has been extensivly tested on x86 and arm. - Get rid of the last holdouts using do_posix_clock_monotonic_gettime() - A regression fix for the imx clocksource driver - An update to the new state callbacks mechanism for clockevents. This is required to simplify the conversion, which will take place in 4.3" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick/broadcast: Prevent NULL pointer dereference time: Get rid of do_posix_clock_monotonic_gettime cris: Replace do_posix_clock_monotonic_gettime() tick/broadcast: Unbreak CONFIG_GENERIC_CLOCKEVENTS=n build tick/broadcast: Handle spurious interrupts gracefully tick/broadcast: Check for hrtimer broadcast active early tick/broadcast: Return busy when IPI is pending tick/broadcast: Return busy if periodic mode and hrtimer broadcast tick/broadcast: Move the check for periodic mode inside state handling tick/broadcast: Prevent deep idle if no broadcast device available tick/broadcast: Make idle check independent from mode and config tick/broadcast: Sanity check the shutdown of the local clock_event tick/broadcast: Prevent hrtimer recursion clockevents: Allow set-state callbacks to be optional clocksource/imx: Define clocksource for mx27
| * | clocksource/imx: Define clocksource for mx27Philippe Reynes2015-07-071-0/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The rework of the imx clocksource driver missed to add an entry for imx27 which results in a boot failure on those machines. Add the proper CLOCKSOURCE_OF_DECLARE() entry for imx27 and map it to the imx21 init. Fixes: bef11c881ba5 'ARM: imx: initialize gpt device type for DT boot' Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Cc: linux-arm-kernel@lists.infradead.org Cc: daniel.lezcano@linaro.org Cc: fabio.estevam@freescale.com Cc: shawnguo@kernel.org Cc: kernel@pengutronix.de Link: http://lkml.kernel.org/r/1435439504-406-1-git-send-email-tremyfr@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | Merge branch 'libnvdimm-fixes' of ↵Linus Torvalds2015-07-123-23/+142
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm Pull libnvdimm fixes from Dan Williams: "1) Fixes for a handful of smatch reports (Thanks Dan C.!) and minor bug fixes (patches 1-6) 2) Correctness fixes to the BLK-mode nvdimm driver (patches 7-10). Granted these are slightly large for a -rc update. They have been out for review in one form or another since the end of May and were deferred from the merge window while we settled on the "PMEM API" for the PMEM-mode nvdimm driver (ie memremap_pmem, memcpy_to_pmem, and wmb_pmem). Now that those apis are merged we implement them in the BLK driver to guarantee that mmio aperture moves stay ordered with respect to incoming read/write requests, and that writes are flushed through those mmio-windows and platform-buffers to be persistent on media. These pass the sub-system unit tests with the updates to tools/testing/nvdimm, and have received a successful build-report from the kbuild robot (468 configs). With acks from Rafael for the touches to drivers/acpi/" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm: nfit: add support for NVDIMM "latch" flag nfit: update block I/O path to use PMEM API tools/testing/nvdimm: add mock acpi_nfit_flush_address entries to nfit_test tools/testing/nvdimm: fix return code for unimplemented commands tools/testing/nvdimm: mock ioremap_wt pmem: add maintainer for include/linux/pmem.h nfit: fix smatch "use after null check" report nvdimm: Fix return value of nvdimm_bus_init() if class_create() fails libnvdimm: smatch cleanups in __nd_ioctl sparse: fix misplaced __pmem definition
| * | nfit: add support for NVDIMM "latch" flagRoss Zwisler2015-07-102-1/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support in the NFIT BLK I/O path for the "latch" flag defined in the "Get Block NVDIMM Flags" _DSM function: http://pmem.io/documents/NVDIMM_DSM_Interface_Example.pdf This flag requires the driver to read back the command register after it is written in the block I/O path. This ensures that the hardware has fully processed the new command and moved the aperture appropriately. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| * | nfit: update block I/O path to use PMEM APIRoss Zwisler2015-07-102-12/+100
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the nfit block I/O path to use the new PMEM API and to adhere to the read/write flows outlined in the "NVDIMM Block Window Driver Writer's Guide": http://pmem.io/documents/NVDIMM_Driver_Writers_Guide.pdf This includes adding support for targeted NVDIMM flushes called "flush hints" in the ACPI 6.0 specification: http://www.uefi.org/sites/default/files/resources/ACPI_6.0.pdf For performance and media durability the mapping for a BLK aperture is moved to a write-combining mapping which is consistent with memcpy_to_pmem() and wmb_blk(). Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| * | nfit: fix smatch "use after null check" reportDan Williams2015-06-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drivers/acpi/nfit.c:1224 acpi_nfit_blk_region_enable() error: we previously assumed 'nfit_mem' could be null (see line 1223) drivers/acpi/nfit.c 1222 nfit_mem = nvdimm_provider_data(nvdimm); 1223 if (!nfit_mem || !nfit_mem->dcr || !nfit_mem->bdw) { ^^^^^^^^ Check. 1224 dev_dbg(dev, "%s: missing%s%s%s\n", __func__, 1225 nfit_mem ? "" : " nfit_mem", 1226 nfit_mem->dcr ? "" : " dcr", ^^^^^^^^^^^^^ Unchecked dereference. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| * | nvdimm: Fix return value of nvdimm_bus_init() if class_create() failsAxel Lin2015-06-301-1/+3
| | | | | | | | | | | | | | | | | | | | | Return proper error if class_create() fails. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| * | libnvdimm: smatch cleanups in __nd_ioctlDan Williams2015-06-301-7/+0
| | | | | | | | | | | | | | | | | | | | | | | | Drop use of access_ok() since we are already using copy_{to|from}_user() which do their own access_ok(). Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
* | | Merge branch 'i2c/for-current' of ↵Linus Torvalds2015-07-114-8/+25
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "Mostly slight adjusments for new drivers, but also one core fix for which finally the dependencies are now available as well" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: Mark instantiated device nodes with OF_POPULATE i2c: jz4780: Fix return value if probe fails i2c: xgene-slimpro: Fix missing mbox_free_channel call in probe error path i2c: I2C_MT65XX should depend on HAS_DMA
| * | | i2c: Mark instantiated device nodes with OF_POPULATEPantelis Antoniou2015-07-091-1/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Mark (and unmark) device nodes with the POPULATE flag as appropriate. This is required to avoid multi probing when using I2C and device overlays containing a mux. This patch is also more careful with the release of the adapter device which caused a deadlock with muxes, and does not break the build on !OF since the node flag accessors are not defined then. Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| * | | i2c: jz4780: Fix return value if probe failsAxel Lin2015-07-091-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current code returns 0 if fails to read clock-frequency DT property, fix it. Also add checking return value of clk_prepare_enable and propagate return value of devm_request_irq. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| * | | i2c: xgene-slimpro: Fix missing mbox_free_channel call in probe error pathAxel Lin2015-07-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Free requested mailbox channel before return error. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| * | | i2c: I2C_MT65XX should depend on HAS_DMAGeert Uytterhoeven2015-07-091-0/+1
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If NO_DMA=y: ERROR: "dma_unmap_single" [drivers/i2c/busses/i2c-mt65xx.ko] undefined! ERROR: "dma_mapping_error" [drivers/i2c/busses/i2c-mt65xx.ko] undefined! ERROR: "dma_map_single" [drivers/i2c/busses/i2c-mt65xx.ko] undefined! Add a dependency on HAS_DMA to fix this. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2015-07-112-8/+6
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: "A fix (revert) for a recent regression in Synaptics driver and a fix for Elan i2c touchpad driver" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Revert "Input: synaptics - allocate 3 slots to keep stability in image sensors" Input: elan_i2c - change the hover event from MT to ST
| * | | Revert "Input: synaptics - allocate 3 slots to keep stability in image sensors"Dmitry Torokhov2015-07-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 63c4fda3c0bb841b1aad1298fc7fe94058fc79f8 as it causes issues with detecting 3-finger taps. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=100481 Cc: stable@vger.kernel.org Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
| * | | Input: elan_i2c - change the hover event from MT to STduson2015-07-071-7/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The firmware only reports hover condition while the very first contact is approaching the surface; the hover is not reported for the subsequent contacts. Therefore we should not be using ABS_MT_DISTANCE to report hover but rather its single-touch counterpart ABS_DISTANCE. Signed-off-by: Duson Lin <dusonlin@emc.com.tw> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | | | Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds2015-07-1115-50/+74
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fixes from Stephen Boyd: "A small set of fixes for problems found by smatch in new drivers that we added this rc and a handful of driver fixes that came in during the merge window" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: drivers: clk: st: Incorrect register offset used for lock_status clk: mediatek: mt8173: Fix enabling of critical clocks drivers: clk: st: Fix mux bit-setting for Cortex A9 clocks drivers: clk: st: Add CLK_GET_RATE_NOCACHE flag to clocks drivers: clk: st: Fix flexgen lock init drivers: clk: st: Fix FSYN channel values drivers: clk: st: Remove unused code clk: qcom: Use parent rate when set rate to pixel RCG clock clk: at91: do not leak resources clk: stm32: Fix out-by-one error path in the index lookup clk: iproc: fix bit manipulation arithmetic clk: iproc: fix memory leak from clock name
| * | | | drivers: clk: st: Incorrect register offset used for lock_statusPankaj Dev2015-07-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Incorrect register offset used for sthi407 clockgenC Signed-off-by: Pankaj Dev <pankaj.dev@st.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Fixes: 51306d56ba81 ("clk: st: STiH407: Support for clockgenC0") Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | clk: mediatek: mt8173: Fix enabling of critical clocksSascha Hauer2015-07-071-5/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On the MT8173 the clocks are provided by different units. To enable the critical clocks we must be sure that all parent clocks are already registered, otherwise the parents of the critical clocks end up being unused and get disabled later. To find a place where all parents are registered we try each time after we've registered some clocks if all known providers are present now and only then we enable the critical clocks Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: James Liao <jamesjj.liao@mediatek.com> [sboyd@codeaurora.org: Marked function and data __init] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | drivers: clk: st: Fix mux bit-setting for Cortex A9 clocksGabriel Fernandez2015-07-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the mux bit-setting for ClockgenA9. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Fixes: 13e6f2da1ddf ("clk: st: STiH407: Support for A9 MUX Clocks") Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | drivers: clk: st: Add CLK_GET_RATE_NOCACHE flag to clocksPankaj Dev2015-07-064-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the CLK_GET_RATE_NOCACHE flag to all the clocks with recalc ops, so that they reflect Hw rate after CPS wake-up when a clk_get_rate() is called Signed-off-by: Pankaj Dev <pankaj.dev@st.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | drivers: clk: st: Fix flexgen lock initGiuseppe Cavallaro2015-07-061-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While proving lock, the following warning happens and it is fixed after initializing lock in the setup function INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.27-02861-g39df285-dirty #33 [<c00154ac>] (unwind_backtrace+0x0/0xf4) from [<c0011b50>] (show_stack+0x10/0x14) [<c0011b50>] (show_stack+0x10/0x14) from [<c00689ac>] (__lock_acquire+0x900/0xb14) [<c00689ac>] (__lock_acquire+0x900/0xb14) from [<c0069394>] (lock_acquire+0x68/0x7c) [<c0069394>] (lock_acquire+0x68/0x7c) from [<c04958f8>] (_raw_spin_lock_irqsave+0x48/0x5c) [<c04958f8>] (_raw_spin_lock_irqsave+0x48/0x5c) from [<c0381e6c>] (clk_gate_endisable+0x28/0x88) [<c0381e6c>] (clk_gate_endisable+0x28/0x88) from [<c0381ee0>] (clk_gate_enable+0xc/0x14) [<c0381ee0>] (clk_gate_enable+0xc/0x14) from [<c0386c68>] (flexgen_enable+0x28/0x40) [<c0386c68>] (flexgen_enable+0x28/0x40) from [<c037f260>] (__clk_enable+0x5c/0x9c) [<c037f260>] (__clk_enable+0x5c/0x9c) from [<c037f558>] (clk_enable+0x18/0x2c) [<c037f558>] (clk_enable+0x18/0x2c) from [<c064a1dc>] (st_lpc_of_register+0xc0/0x248) [<c064a1dc>] (st_lpc_of_register+0xc0/0x248) from [<c0649e44>] (clocksource_of_init+0x34/0x58) [<c0649e44>] (clocksource_of_init+0x34/0x58) from [<c0637ddc>] (sti_timer_init+0x10/0x18) [<c0637ddc>] (sti_timer_init+0x10/0x18) from [<c06343f8>] (time_init+0x20/0x30) [<c06343f8>] (time_init+0x20/0x30) from [<c0632984>] (start_kernel+0x20c/0x2e8) [<c0632984>] (start_kernel+0x20c/0x2e8) from [<40008074>] (0x40008074) Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Fixes: b116517055b7 ("clk: st: STiH407: Support for Flexgen Clocks") Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | drivers: clk: st: Fix FSYN channel valuesGabriel Fernandez2015-07-061-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the value for disabling the FSYN channel clock. The 'is_enabled' returned value is also fixed. Signed-off-by: Pankaj Dev <pankaj.dev@st.com> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | drivers: clk: st: Remove unused codeGabriel Fernandez2015-07-061-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove this duplicated code due to a bad copy / paste. Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | clk: qcom: Use parent rate when set rate to pixel RCG clockHai Li2015-07-061-6/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the parent rate has been recalculated, pixel RCG clock should rely on it to find the correct M/N values during set_rate, instead of calling __clk_round_rate() to its parent again. Signed-off-by: Hai Li <hali@codeaurora.org> Tested-by: Archit Taneja <architt@codeaurora.org> Fixes: 99cbd064b059 ("clk: qcom: Support display RCG clocks") [sboyd@codeaurora.org: Silenced unused parent variable warning] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | clk: at91: do not leak resourcesDavid Dueck2015-07-026-10/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not leak memory and free irqs in case of an error. Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: David Dueck <davidcdueck@googlemail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | clk: stm32: Fix out-by-one error path in the index lookupDaniel Thompson2015-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If stm32f4_rcc_lookup() is called with primary == 0 and secondary == 192 then it will read beyond the end of the table array due to an out-by-one error in the range check. In addition to the fixing the inequality we also modify the r.h.s. to make it even more explicit that we are comparing against the size of table in bits. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> Fixes: 358bdf892f6b ("clk: stm32: Add clock driver for STM32F4[23]xxx devices") Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | clk: iproc: fix bit manipulation arithmeticRay Jui2015-07-021-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A 32-bit variable should be type casted to 64-bit before arithmetic operation and assigning it to a 64-bit variable Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Ray Jui <rjui@broadcom.com> Fixes: 5fe225c105fd ("clk: iproc: add initial common clock support") Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
| * | | | clk: iproc: fix memory leak from clock nameRay Jui2015-07-022-12/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | of_property_read_string_index takes array of pointers and assign them to strings read from device tree property. No additional memory allocation is needed prior to calling of_property_read_string_index. In fact, since the array of pointers will be re-assigned to other strings, any memory that it points to prior to calling of_property_read_string_index will be leaked Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Ray Jui <rjui@broadcom.com> Fixes: 5fe225c105fd ("clk: iproc: add initial common clock support") Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
* | | | | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds2015-07-1127-717/+964
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull drm fixes from Dave Airlie: "A bunch of fixes for radeon, intel, omap and one amdkfd fix. Radeon fixes are all over, but it does fix some cursor corruption across suspend/resume. i915 should fix the second warn you were seeing, so let us know if not. omap is a bunch of small fixes" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (28 commits) drm/radeon: disable vce init on cayman (v2) drm/amdgpu: fix timeout calculation drm/radeon: check if BO_VA is set before adding it to the invalidation list drm/radeon: allways add the VM clear duplicate Revert "Revert "drm/radeon: dont switch vt on suspend"" drm/radeon: Fold radeon_set_cursor() into radeon_show_cursor() drm/radeon: unpin cursor BOs on suspend and pin them again on resume (v2) drm/radeon: Clean up reference counting and pinning of the cursor BOs drm/amdkfd: validate pdd where it acquired first Revert "drm/i915: Allocate context objects from stolen" drm/i915: Declare the swizzling unknown for L-shaped configurations drm/radeon: fix underflow in r600_cp_dispatch_texture() drm/radeon: default to 2048 MB GART size on SI+ drm/radeon: fix HDP flushing drm/radeon: use RCU query for GEM_BUSY syscall drm/amdgpu: Handle irqs only based on irq ring, not irq status regs. drm/radeon: Handle irqs only based on irq ring, not irq status regs. drm/i915: Use crtc_state->active in primary check_plane func drm/i915: Check crtc->active in intel_crtc_disable_planes drm/i915: Restore all GGTT VMAs on resume ...
| * \ \ \ \ Merge tag 'omapdrm-4.2-fixes' of ↵Dave Airlie2015-07-106-29/+49
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-fixes omapdrm fixes for 4.2 Small fixes for omapdrm, including: * Fix packed 24 bit color formats * Ensure the planes are inside the crtc * Handle out-of-dma-memory error * tag 'omapdrm-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN drm/omap: fix align_pitch() for 24 bits per pixel drm/omap: fix omap_gem_put_paddr() error handling drm/omap: fix omap_framebuffer_unpin() error handling drm/omap: increase DMM transaction timeout drm/omap: check that plane is inside crtc drm/omap: return error if dma_alloc_writecombine fails
| | * | | | | drm/omap: replace ALIGN(PAGE_SIZE) by PAGE_ALIGNFabian Frederick2015-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | use mm.h definition Cc: David Airlie <airlied@linux.ie> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
| | * | | | | drm/omap: fix align_pitch() for 24 bits per pixelTomi Valkeinen2015-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | align_pitch() uses ALIGN() to ensure the pitch is aligned to SGX's requirement of 8 pixels. However, ALIGN() expects the alignment value to be a power of two, which is not the case for 24 bits per pixels. Use roundup() instead, which works for all alignments. This fixes the error seen with 24 bits per pixel modes: "buffer pitch (2176 bytes) is not a multiple of pixel size (3 bytes)" Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
| | * | | | | drm/omap: fix omap_gem_put_paddr() error handlingTomi Valkeinen2015-07-022-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If tiler_unpin() call in omap_gem_put_paddr() fails, omap_gem_put_paddr() will immediately stop processing and return an error. This patch remoes that error checking, and also removes omap_gem_put_paddr()'s return value, because: * The caller of omap_gem_put_paddr() can do nothing if an error happens, so it's pointless to return an error value * If tiler_unpin() fails, the GEM object will possibly be left in an undefined state, where the DMM mapping may have been removed, but the GEM object still thinks everything is as it should be, leading to crashes later. * There's no point in returning an error from a "free" call, as the caller can do nothing about it. So it's better to clean up as much as possible. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| | * | | | | drm/omap: fix omap_framebuffer_unpin() error handlingTomi Valkeinen2015-07-022-13/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | omap_framebuffer_unpin() check the return value of omap_gem_put_paddr() and return immediately if omap_gem_put_paddr() fails. This patch removes the check for the return value, and also removes the return value of omap_framebuffer_unpin(), because: * Nothing checks the return value of omap_framebuffer_unpin(), and even something did check it, there's nothing the caller can do to handle the error. * If a omap_gem_put_paddr() fails, the framebuffer's other planes will be left unreleased. So it's better to call omap_gem_put_paddr() for all the planes, even if one would fail. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| | * | | | | drm/omap: increase DMM transaction timeoutTomi Valkeinen2015-07-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The DMM driver uses a timeout of 1 ms to wait for DMM transaction to finish. While DMM should always finish the operation within that time, the timeout is rather strict. Small misbehavior of the system (e.g. an irq taking too long) could trigger the timeout. As the DMM is a critical piece of code for display memory management, let's increase the timeout to 100 ms so that we are less likely to fail a memory allocation in case of system misbehaviors. 100 ms is just a guess of a reasonably large timeout. The HW should accomplish the task in less than 1 ms. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
| | * | | | | drm/omap: check that plane is inside crtcTomi Valkeinen2015-07-021-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | DRM allows planes to be partially off-screen, but DSS hardware does not. This patch adds the necessary check to reject plane configs if the plane is not fully inside the crtc. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| | * | | | | drm/omap: return error if dma_alloc_writecombine failsTomi Valkeinen2015-06-241-7/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On a platform with no TILER (e.g. omap3, am43xx), when the user wants to allocate buffer with flag OMAP_BO_SCANOUT, the buffer needs to be allocated with dma_alloc_writecombine. For some reason the driver does not return an error if that alloc fails, instead it continues without backing memory. This leads to errors later when the user tries to use the buffer. This patch makes the driver return an error if dma_alloc_writecombine fails. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
| * | | | | | Merge tag 'drm-intel-fixes-2015-07-09' of ↵Dave Airlie2015-07-104-14/+37
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://anongit.freedesktop.org/drm-intel into drm-fixes Pile of fixes for either 4.2 issues or cc: stable. This should fix the 2nd kind of WARNING Linus's been seeing, please ask him to scream if that's not the case. * tag 'drm-intel-fixes-2015-07-09' of git://anongit.freedesktop.org/drm-intel: Revert "drm/i915: Allocate context objects from stolen" drm/i915: Declare the swizzling unknown for L-shaped configurations drm/i915: Use crtc_state->active in primary check_plane func drm/i915: Check crtc->active in intel_crtc_disable_planes drm/i915: Restore all GGTT VMAs on resume drm/i915/chv: fix HW readout of the port PLL fractional divider
| | * | | | | | Revert "drm/i915: Allocate context objects from stolen"Ville Syrjälä2015-07-091-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stolen gets trashed during hibernation, so storing contexts there is not a very good idea. On my IVB machines this leads to a totally dead GPU on resume. A reboot is required to resurrect it. So let's not store contexts where they will get trampled. This reverts commit 149c86e74fe44dcbac5e9f8d145c5fbc5dc21261. Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| | * | | | | | drm/i915: Declare the swizzling unknown for L-shaped configurationsChris Wilson2015-07-091-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The old style of memory interleaving swizzled upto the end of the first even bank of memory, and then used the remainder as unswizzled on the unpaired bank - i.e. swizzling is not constant for all memory. This causes problems when we try to migrate memory and so the kernel prevents migration at all when we detect L-shaped inconsistent swizzling. However, this issue also extends to userspace who try to manually detile into memory as the swizzling for an individual page is unknown (it depends on its physical address only known to the kernel), userspace cannot correctly swizzle objects. v2: Mark the global swizzling as unknown rather than adjust the value reported to userspace. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91105 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| | * | | | | | drm/i915: Use crtc_state->active in primary check_plane funcDaniel Vetter2015-07-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 8c7b5ccb729870e606321b3703e2c2e698c49a95 Author: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Date: Tue Apr 21 17:13:19 2015 +0300 drm/i915: Use atomic helpers for computing changed flags we compute the plane state for a modeset before actually committing any changes, which means crtc->active won't be correct yet. Looking at future work in the modeset conversion targetting 4.3 the only places where crtc_state->active isn't accurate is when disabling other CRTCs than the one the modeset is for (when stealing connectors). Which isn't the case here. And that's also confirmed by an audit, we do unconditionally update crtc_state->active for the current pipe. We also don't need to update any other plane check functions since we only ever add the primary state to the modeset update right now. Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| | * | | | | | drm/i915: Check crtc->active in intel_crtc_disable_planesDaniel Vetter2015-07-081-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was lost in commit ce22dba92de22e951dee2ff89937a39754d2dd91 Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Date: Tue Apr 21 17:12:56 2015 +0300 drm/i915: Move toggling planes out of crtc enable/disable. and we still need that crtc->active check since the overall modeset flow doesn't yet take dpms state into account properly. Fixes WARNING backtraces on at least bdw/hsw due to the ips disabling code being upset about being run on a switched-off pipe. We don't need a corresponding change on the enable side since with the old setCrtc semantics we always force-enable the pipe after a modeset. And the dpms function intel_crtc_control already checks for ->active. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| | * | | | | | drm/i915: Restore all GGTT VMAs on resumeTvrtko Ursulin2015-07-081-7/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When rotated and partial views were added no one spotted the resume path which assumes only one GGTT VMA per object and hence is now skipping rebind of alternative views. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| | * | | | | | drm/i915/chv: fix HW readout of the port PLL fractional dividerImre Deak2015-07-061-2/+5
| | | |_|_|/ / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ville noticed that the PLL HW readout code parsed the fractional divider value as if the fractional divider was always enabled. This may result in a port clock state check mismatch if the preceeding modeset disabled the fractional divider, but left a non-zero divider value in the register. Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| * | | | | | Merge tag 'drm-amdkfd-fixes-2015-07-09' of ↵Dave Airlie2015-07-101-2/+7
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://people.freedesktop.org/~gabbayo/linux into drm-fixes A single fix so far for 4.2: - checking a pointer is not null before using it * tag 'drm-amdkfd-fixes-2015-07-09' of git://people.freedesktop.org/~gabbayo/linux: drm/amdkfd: validate pdd where it acquired first
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 19:34:57 +0100