kernel/drivers/of, branch linux-6.9.y

of/irq: Disable "interrupt-map" parsing for PASEMI Nemo

2024-07-25T07:53:41Z

commit 2cf6b7d15a28640117bf9f75dc050892cf78a6e8 upstream. Once again, we've broken PASEMI Nemo boards with its incomplete "interrupt-map" translations. Commit 935df1bd40d4 ("of/irq: Factor out parsing of interrupt-map parent phandle+args from of_irq_parse_raw()") changed the behavior resulting in the existing work-around not taking effect. Rework the work-around to just skip parsing "interrupt-map" up front by using the of_irq_imap_abusers list. Fixes: 935df1bd40d4 ("of/irq: Factor out parsing of interrupt-map parent phandle+args from of_irq_parse_raw()") Reported-by: Christian Zigotzky Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/86ed8ba2sp.wl-maz@kernel.org Signed-off-by: Rob Herring (Arm) Signed-off-by: Greg Kroah-Hartman

of/irq: Factor out parsing of interrupt-map parent phandle+args from of_irq_parse_raw()

2024-07-25T07:53:22Z

[ Upstream commit 935df1bd40d43c4ee91838c42a20e9af751885cc ] Factor out the parsing of interrupt-map interrupt parent phandle and its arg cells to a separate function, of_irq_parse_imap_parent(), so that it can be used in other parsing scenarios (e.g. fw_devlink). There was a refcount leak on non-matching entries when iterating thru "interrupt-map" which is fixed. Tested-by: Marc Zyngier Tested-by: Anup Patel Link: https://lore.kernel.org/r/20240529-dt-interrupt-map-fix-v2-1-ef86dc5bcd2a@kernel.org Signed-off-by: Rob Herring (Arm) Signed-off-by: Sasha Levin

of: module: add buffer overflow check in of_modalias()

2024-05-30T07:45:00Z

[ Upstream commit cf7385cb26ac4f0ee6c7385960525ad534323252 ] In of_modalias(), if the buffer happens to be too small even for the 1st snprintf() call, the len parameter will become negative and str parameter (if not NULL initially) will point beyond the buffer's end. Add the buffer overflow check after the 1st snprintf() call and fix such check after the strlen() call (accounting for the terminating NUL char). Fixes: bc575064d688 ("of/device: use of_property_for_each_string to parse compatible strings") Signed-off-by: Sergey Shtylyov Link: https://lore.kernel.org/r/bbfc6be0-c687-62b6-d015-5141b93f313e@omp.ru Signed-off-by: Rob Herring Signed-off-by: Sasha Levin

of: module: prevent NULL pointer dereference in vsnprintf()

2024-03-27T22:05:07Z

In of_modalias(), we can get passed the str and len parameters which would cause a kernel oops in vsnprintf() since it only allows passing a NULL ptr when the length is also 0. Also, we need to filter out the negative values of the len parameter as these will result in a really huge buffer since snprintf() takes size_t parameter while ours is ssize_t... Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool. Signed-off-by: Sergey Shtylyov Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/1d211023-3923-685b-20f0-f3f90ea56e1f@omp.ru Signed-off-by: Rob Herring

of: dynamic: Synchronize of_changeset_destroy() with the devlink removals

2024-03-26T20:32:32Z

In the following sequence: 1) of_platform_depopulate() 2) of_overlay_remove() During the step 1, devices are destroyed and devlinks are removed. During the step 2, OF nodes are destroyed but __of_changeset_entry_destroy() can raise warnings related to missing of_node_put(): ERROR: memory leak, expected refcount 1 instead of 2 ... Indeed, during the devlink removals performed at step 1, the removal itself releasing the device (and the attached of_node) is done by a job queued in a workqueue and so, it is done asynchronously with respect to function calls. When the warning is present, of_node_put() will be called but wrongly too late from the workqueue job. In order to be sure that any ongoing devlink removals are done before the of_node destruction, synchronize the of_changeset_destroy() with the devlink removals. Fixes: 80dd33cf72d1 ("drivers: base: Fix device link removal") Cc: stable@vger.kernel.org Signed-off-by: Herve Codina Reviewed-by: Saravana Kannan Tested-by: Luca Ceresoli Reviewed-by: Nuno Sa Link: https://lore.kernel.org/r/20240325152140.198219-3-herve.codina@bootlin.com Signed-off-by: Rob Herring

Merge tag 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2024-03-21T20:34:15Z

Pull driver core updates from Greg KH: "Here is the "big" set of driver core and kernfs changes for 6.9-rc1. Nothing all that crazy here, just some good updates that include: - automatic attribute group hiding from Dan Williams (he fixed up my horrible attempt at doing this.) - kobject lock contention fixes from Eric Dumazet - driver core cleanups from Andy - kernfs rcu work from Tejun - fw_devlink changes to resolve some reported issues - other minor changes, all details in the shortlog All of these have been in linux-next for a long time with no reported issues" * tag 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (28 commits) device: core: Log warning for devices pending deferred probe on timeout driver: core: Use dev_* instead of pr_* so device metadata is added driver: core: Log probe failure as error and with device metadata of: property: fw_devlink: Add support for "post-init-providers" property driver core: Add FWLINK_FLAG_IGNORE to completely ignore a fwnode link driver core: Adds flags param to fwnode_link_add() debugfs: fix wait/cancellation handling during remove device property: Don't use "proxy" headers device property: Move enum dev_dma_attr to fwnode.h driver core: Move fw_devlink stuff to where it belongs driver core: Drop unneeded 'extern' keyword in fwnode.h firmware_loader: Suppress warning on FW_OPT_NO_WARN flag sysfs:Addresses documentation in sysfs_merge_group and sysfs_unmerge_group. firmware_loader: introduce __free() cleanup hanler platform-msi: Remove usage of the deprecated ida_simple_xx() API sysfs: Introduce DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE() sysfs: Document new "group visible" helpers sysfs: Fix crash on empty group attributes array sysfs: Introduce a mechanism to hide static attribute_groups sysfs: Introduce a mechanism to hide static attribute_groups ...

Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2024-03-21T20:21:31Z

Pull char/misc and other driver subsystem updates from Greg KH: "Here is the big set of char/misc and a number of other driver subsystem updates for 6.9-rc1. Included in here are: - IIO driver updates, loads of new ones and evolution of existing ones - coresight driver updates - const cleanups for many driver subsystems - speakup driver additions - platform remove callback void cleanups - mei driver updates - mhi driver updates - cdx driver updates for MSI interrupt handling - nvmem driver updates - other smaller driver updates and cleanups, full details in the shortlog All of these have been in linux-next for a long time with no reported issue, other than a build warning for the speakup driver" The build warning hits clang and is a gcc (and C23) extension, and is fixed up in the merge. Link: https://lore.kernel.org/all/20240321134831.GA2762840@dev-arch.thelio-3990X/ * tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (279 commits) binder: remove redundant variable page_addr uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion uio_pruss: UIO_MEM_DMA_COHERENT conversion cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT uio: introduce UIO_MEM_DMA_COHERENT type cdx: add MSI support for CDX bus pps: use cflags-y instead of EXTRA_CFLAGS speakup: Add /dev/synthu device speakup: Fix 8bit characters from direct synth parport: sunbpp: Convert to platform remove callback returning void parport: amiga: Convert to platform remove callback returning void char: xillybus: Convert to platform remove callback returning void vmw_balloon: change maintainership MAINTAINERS: change the maintainer for hpilo driver char: xilinx_hwicap: Fix NULL vs IS_ERR() bug hpet: remove hpets::hp_clocksource platform: goldfish: move the separate 'default' propery for CONFIG_GOLDFISH char: xilinx_hwicap: drop casting to void in dev_set_drvdata greybus: move is_gb_* functions out of greybus.h greybus: Remove usage of the deprecated ida_simple_xx() API ...

Merge tag 'powerpc-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2024-03-16T00:53:48Z

Pull powerpc updates from Michael Ellerman: - Add AT_HWCAP3 and AT_HWCAP4 aux vector entries for future use by glibc - Add support for recognising the Power11 architected and raw PVRs - Add support for nr_cpus=n on the command line where the boot CPU is >= n - Add ppcxx_allmodconfig targets for all 32-bit sub-arches - Other small features, cleanups and fixes Thanks to Akanksha J N, Brian King, Christophe Leroy, Dawei Li, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict Glaw, Kajol Jain, Kunwu Chan, Li zeming, Madhavan Srinivasan, Masahiro Yamada, Nathan Chancellor, Nicholas Piggin, Peter Bergner, Qiheng Lin, Randy Dunlap, Ricardo B. Marliere, Rob Herring, Sathvika Vasireddy, Shrikanth Hegde, Uwe Kleine-König, Vaibhav Jain, and Wen Xiong. * tag 'powerpc-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (71 commits) powerpc/macio: Make remove callback of macio driver void returned powerpc/83xx: Fix build failure with FPU=n powerpc/64s: Fix get_hugepd_cache_index() build failure powerpc/4xx: Fix warp_gpio_leds build failure powerpc/amigaone: Make several functions static powerpc/embedded6xx: Fix no previous prototype for avr_uart_send() etc. macintosh/adb: make adb_dev_class constant powerpc: xor_vmx: Add '-mhard-float' to CFLAGS powerpc/fsl: Fix mfpmr() asm constraint error powerpc: Remove cpu-as-y completely powerpc/fsl: Modernise mt/mfpmr powerpc/fsl: Fix mfpmr build errors with newer binutils powerpc/64s: Use .machine power4 around dcbt powerpc/64s: Move dcbt/dcbtst sequence into a macro powerpc/mm: Code cleanup for __hash_page_thp powerpc/hv-gpci: Fix the H_GET_PERF_COUNTER_INFO hcall return value checks powerpc/irq: Allow softirq to hardirq stack transition powerpc: Stop using of_root powerpc/machdep: Define 'compatibles' property in ppc_md and use it of: Reimplement of_machine_is_compatible() using of_machine_compatible_match() ...

Merge tag 'devicetree-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

2024-03-15T19:37:59Z

Pull devicetree updates from Rob Herring: "DT core: - Add cleanup.h based auto release of struct device_node pointers via __free marking and new for_each_child_of_node_scoped() iterator to use it. - Always create a base skeleton DT when CONFIG_OF is enabled. This supports several usecases of adding DT data on non-DT booted systems. - Move around some /reserved-memory code in preparation for further improvements - Add a stub for_each_property_of_node() for !OF - Adjust the printk levels on some messages - Fix __be32 sparse warning - Drop RESERVEDMEM_OF_DECLARE usage from Freescale qbman driver (currently orphaned) - Add Saravana Kannan and drop Frank Rowand as DT maintainers DT bindings: - Convert Mediatek timer, Mediatek sysirq, fsl,imx6ul-tsc, fsl,imx6ul-pinctrl, Atmel AIC, Atmel HLCDC, FPGA region, and xlnx,sd-fec to DT schemas - Add existing, but undocumented fsl,imx-anatop binding - Add bunch of undocumented vendor prefixes used in compatible strings - Drop obsolete brcm,bcm2835-pm-wdt binding - Drop obsolete i2c.txt which as been replaced with schema in dtschema - Add DPS310 device and sort trivial-devices.yaml - Enable undocumented compatible checks on DT binding examples - More QCom maintainer fixes/updates - Updates to writing-schema.rst and DT submitting-patches.rst to cover some frequent review comments - Clean-up SPDX tags to use 'OR' rather than 'or'" * tag 'devicetree-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (56 commits) dt-bindings: soc: imx: fsl,imx-anatop: add imx6q regulators of: unittest: Use for_each_child_of_node_scoped() of: Introduce for_each_*_child_of_node_scoped() to automate of_node_put() handling of: Add cleanup.h based auto release via __free(device_node) markings of: Move all FDT reserved-memory handling into of_reserved_mem.c of: Add KUnit test to confirm DTB is loaded of: unittest: treat missing of_root as error instead of fixing up x86/of: Unconditionally call unflatten_and_copy_device_tree() um: Unconditionally call unflatten_device_tree() of: Create of_root if no dtb provided by firmware of: Always unflatten in unflatten_and_copy_device_tree() dt-bindings: timer: mediatek: Convert to json-schema dt-bindings: interrupt-controller: fsl,intmux: Include power-domains support soc: fsl: qbman: Remove RESERVEDMEM_OF_DECLARE usage dt-bindings: fsl-imx-sdma: fix HDMI audio index dt-bindings: soc: imx: fsl,imx-iomuxc-gpr: add imx6 dt-bindings: soc: imx: fsl,imx-anatop: add binding dt-bindings: input: touchscreen: fsl,imx6ul-tsc convert to YAML dt-bindings: pinctrl: fsl,imx6ul-pinctrl: convert to YAML of: make for_each_property_of_node() available to to !OF ...

Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

2024-03-15T18:48:01Z

Pull clk updates from Stephen Boyd: "Not a ton of stuff happening in the clk framework. We got some more devm helpers and we seem to be going in the direction of "just turn this stuff on already and leave me alone!" with the addition of a devm_clk_bulk_get_all_enable() API. I'm hoping that we can make that into a pmdomain that drivers attach instead, but this API should help drivers simplify in the meantime. Outside of the devm wrappers, we've got the usual clk driver updates that are dominated by the major phone SoC vendors (Samsung and Qualcomm) and the non-critical driver fixes for things like incorrect topology descriptions and wrong registers or bit fields. More details are below, but I'd say that it looks pretty ordinary. The only thing that really jumps out at me is the Renesas clk driver that's ignoring clks that are assigned to remote processors in DeviceTree. That's a new feature that they're using to avoid marking clks as CLK_IGNORE_UNUSED based on the configuration of the system. Core: - Increase dev_id len for clkdev lookups - Add a devm_clk_bulk_get_all_enable() API to get and enable all clks for a device - Add a devm variant of clk_rate_exclusive_get() New Drivers: - Display, TCSR, GPU, and Camera clock controllers for Qualcomm's X1 Elite SoC - Google GS101 PERIC0 and PERIC1 clock controllers - Exynos850 PDMA clocks - Exynos850 CPU cluster 0 and 1 (CMU_CPUCLK0/CMU_CPUCLK1) clock controllers Removed Drivers: - Remove the unused Qualcomm sc7180 modem clk driver Updates: - Fix some static checker errors in the Hisilicon clk driver - Polarfire MSSPLL hardware has 4 output clocks (the driver supported previously only one output); each of these 4 outputs feed dividers and the output of each divider feed individual hardware blocks (e.g. CAN, Crypto, eMMC); individual hardware block drivers need to control their clocks thus clock driver support was added for all MSSPLL output clocks - Typo fixes in the Qualcomm IPQ5018 GCC driver - Add "qdss_at" clk on Qualcomm IPQ6018, needed for WiFi - Properly terminate frequency tables in different Qualcomm clk drivers - Add MDSS, crypto, and SDCC resets on Qualcomm MSM8953 - Add missing UFS CLKREF clks on Qualcomm SC8180X - Avoid significant delays during boot by adding a softdep on rpmhpd to Qualcomm SDM845 gcc driver - Add QUPv3 RCGS w/ DFS and video resets to Qualcomm SM8150 GCC driver - Fix the custom GPU GX "do-nothing" method in the Qualcomm GDSC driver - Add an external regulator to GX GDSC on Qualcomm SC8280XP GPU clk driver - Switch display, GPU, video, and camera Qualcomm clk drivers to module_platform_driver() - Set a longer delay for Venus resets on many Qualcomm SoCs - Correct the GDSC wait times in the Qualcomm SDM845 display clk driver - Fix clock listing Oops on Amlogic axg - New pll-rate for Rockchip rk3568 - i2s rate improvements for Rockchip rk3399 - Rockchip rk3588 syscon clock fixes and removal of overall clock-number from the rk3588 binding header - A prerequisite for later improvements to the Rockchip rk3588 linked clocks - Minor clean-ups and error handling improvements in both composite-8m and SCU i.MX clock drivers - Fix for SAI_MCLK_SEL definition for i.MX8MP - Register the Samsung CMU MISC clock controller earlier, so the Multi Core Timer clocksource can use it on Google GS101 - Propagate Exynos850 SPI IPCLK rate change to parents, so the SPI will get proper clock rates - Refactor the generic Samsung CPU clock controllers code, preparing it for supporting Exynos850 CPU clocks - Fix some clk kerneldoc warnings - Add Ethernet, SDHI, DMA, and HyperFLASH/QSPI (RPC-IF) clocks on Renesas R-Car V4M - Ignore all clocks which are assigned to a non-Linux system in the Renesas clk driver - Add watchdog clock on Renesas RZ/G3S - Add camera (CRU) clock and reset on Renesas RZ/G2UL - Add support for the Renesas R-Car V4M (R8A779H0) SoC - Convert some clk bindings to YAML so they can be validated" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (150 commits) clk: zynq: Prevent null pointer dereference caused by kmalloc failure clk: fractional-divider: Use bit operations consistently clk: fractional-divider: Move mask calculations out of lock clk: Fix clk_core_get NULL dereference clk: starfive: jh7110-vout: Convert to platform remove callback returning void clk: starfive: jh7110-isp: Convert to platform remove callback returning void clk: imx: imx8-acm: Convert to platform remove callback returning void clk: qcom: gcc-ipq5018: fix register offset for GCC_UBI0_AXI_ARES reset clk: qcom: gcc-ipq5018: fix 'halt_reg' offset of 'gcc_pcie1_pipe_clk' clk: qcom: gcc-ipq5018: fix 'enable_reg' offset of 'gcc_gmac0_sys_clk' clk: qcom: camcc-x1e80100: Fix missing DT_IFACE enum in x1e80100 camcc clk: qcom: mmcc-msm8974: fix terminating of frequency table arrays clk: qcom: mmcc-apq8084: fix terminating of frequency table arrays clk: qcom: camcc-sc8280xp: fix terminating of frequency table arrays clk: qcom: gcc-ipq9574: fix terminating of frequency table arrays clk: qcom: gcc-ipq8074: fix terminating of frequency table arrays clk: qcom: gcc-ipq6018: fix terminating of frequency table arrays clk: qcom: gcc-ipq5018: fix terminating of frequency table arrays clk: mediatek: clk-mt8173-apmixedsys: Use common error handling code in clk_mt8173_apmixed_probe() clk: Add a devm variant of clk_rate_exclusive_get() ...