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2020-04-17of: unittest: kmemleak in duplicate property updateFrank Rowand
kmemleak reports several memory leaks from devicetree unittest. This is the fix for problem 5 of 5. When overlay 'overlay_bad_add_dup_prop' is applied, the apply code properly detects that a memory leak will occur if the overlay is removed since the duplicate property is located in a base devicetree node and reports via printk(): OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail The overlay is removed when the apply code detects multiple changesets modifying the same property. This is reported via printk(): OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/rpm_avail As a result of this error, the overlay is removed resulting in the expected memory leak. Add another device node level to the overlay so that the duplicate property is located in a node added by the overlay, thus no memory leak will occur when the overlay is removed. Thus users of kmemleak will not have to debug this leak in the future. Fixes: 2fe0e8769df9 ("of: overlay: check prevents multiple fragments touching same property") Reported-by: Erhard F. <erhard_f@mailbox.org> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-17of: overlay: kmemleak in dup_and_fixup_symbol_prop()Frank Rowand
kmemleak reports several memory leaks from devicetree unittest. This is the fix for problem 4 of 5. target_path was not freed in the non-error path. Fixes: e0a58f3e08d4 ("of: overlay: remove a dependency on device node full_name") Reported-by: Erhard F. <erhard_f@mailbox.org> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-17of: unittest: kmemleak in of_unittest_overlay_high_level()Frank Rowand
kmemleak reports several memory leaks from devicetree unittest. This is the fix for problem 3 of 5. of_unittest_overlay_high_level() failed to kfree the newly created property when the property named 'name' is skipped. Fixes: 39a751a4cb7e ("of: change overlay apply input data from unflattened to FDT") Reported-by: Erhard F. <erhard_f@mailbox.org> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-17of: unittest: kmemleak in of_unittest_platform_populate()Frank Rowand
kmemleak reports several memory leaks from devicetree unittest. This is the fix for problem 2 of 5. of_unittest_platform_populate() left an elevated reference count for grandchild nodes (which are platform devices). Fix the platform device reference counts so that the memory will be freed. Fixes: fb2caa50fbac ("of/selftest: add testcase for nodes with same name and address") Reported-by: Erhard F. <erhard_f@mailbox.org> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-17of: unittest: kmemleak on changeset destroyFrank Rowand
kmemleak reports several memory leaks from devicetree unittest. This is the fix for problem 1 of 5. of_unittest_changeset() reaches deeply into the dynamic devicetree functions. Several nodes were left with an elevated reference count and thus were not properly cleaned up. Fix the reference counts so that the memory will be freed. Fixes: 201c910bd689 ("of: Transactional DT support.") Reported-by: Erhard F. <erhard_f@mailbox.org> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-02Merge tag 'devicetree-for-5.7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Unit test for overlays with GPIO hogs - Improve dma-ranges parsing to handle dma-ranges with multiple entries - Update dtc to upstream version v1.6.0-2-g87a656ae5ff9 - Improve overlay error reporting - Device link support for power-domains and hwlocks bindings - Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida, PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and ITE Tech - Add deprecated Marvell vendor prefix 'mrvl' - A bunch of binding conversions to DT schema continues. Of note, the common serial and USB connector bindings are converted. - Add more Arm CPU compatibles - Drop Mark Rutland as DT maintainer :( * tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (106 commits) MAINTAINERS: drop an old reference to stm32 pwm timers doc MAINTAINERS: dt: update etnaviv file reference dt-bindings: usb: dwc2: fix bindings for amlogic, meson-gxbb-usb dt-bindings: uniphier-system-bus: fix warning in the example dt-bindings: display: meson-vpu: fix indentation of reg-names' "items" dt-bindings: iio: Fix adi, ltc2983 uint64-matrix schema constraints dt-bindings: power: Fix example for power-domain dt-bindings: arm: Add some constraints for PSCI nodes of: some unittest overlays not untracked of: gpio unittest kfree() wrong object dt-bindings: phy: convert phy-rockchip-inno-usb2 bindings to yaml dt-bindings: serial: sh-sci: Convert to json-schema dt-bindings: serial: Document serialN aliases dt-bindings: thermal: tsens: Set 'additionalProperties: false' dt-bindings: thermal: tsens: Fix nvmem-cell-names schema dt-bindings: vendor-prefixes: Add Beacon vendor prefix dt-bindings: vendor-prefixes: Add Topwise of: of_private.h: Replace zero-length array with flexible-array member docs: dt: fix a broken reference to input.yaml docs: dt: fix references to ap806-system-controller.txt ...
2020-03-31of: some unittest overlays not untrackedFrank Rowand
kernel test robot reported "WARNING: held lock freed!" triggered by unittest_gpio_remove(), which should not have been called because the related gpio overlay was not tracked. Another overlay that was tracked had previously used the same id as the gpio overlay but had not been untracked when the overlay was removed. Thus the clean up function of_unittest_destroy_tracked_overlays() incorrectly attempted to remove the reused overlay id. Patch contents: - Create tracking related helper functions - Change BUG() to WARN_ON() for overlay id related issues - Add some additional error checking for valid overlay id values - Add the missing overlay untrack - update comment on expectation that overlay ids are assigned in sequence Fixes: 492a22aceb75 ("of: unittest: overlay: Keep track of created overlays") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-31of: gpio unittest kfree() wrong objectFrank Rowand
kernel test robot reported "WARNING: held lock freed!" triggered by unittest_gpio_remove(). unittest_gpio_remove() was unexpectedly called due to an error in overlay tracking. The remove had not been tested because the gpio overlay removal tests have not been implemented. kfree() gdev instead of pdev. Fixes: f4056e705b2e ("of: unittest: add overlay gpio test to catch gpio hog problem") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-31of: of_private.h: Replace zero-length array with flexible-array memberGustavo A. R. Silva
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. Also, notice that, dynamic memory allocations won't be affected by this change: "Flexible array members have incomplete type, and so the sizeof operator may not be applied. As a quirk of the original implementation of zero-length arrays, sizeof evaluates to zero."[1] This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-30Merge tag 'driver-core-5.7-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here is the "big" set of driver core changes for 5.7-rc1. Nothing huge in here, just lots of little firmware core changes and use of new apis, a libfs fix, a debugfs api change, and some driver core deferred probe rework. All of these have been in linux-next for a while with no reported issues" * tag 'driver-core-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (44 commits) Revert "driver core: Set fw_devlink to "permissive" behavior by default" driver core: Set fw_devlink to "permissive" behavior by default driver core: Replace open-coded list_last_entry() driver core: Read atomic counter once in driver_probe_done() libfs: fix infoleak in simple_attr_read() driver core: Add device links from fwnode only for the primary device platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet platform/x86: touchscreen_dmi: Add EFI embedded firmware info support Input: icn8505 - Switch to firmware_request_platform for retreiving the fw Input: silead - Switch to firmware_request_platform for retreiving the fw selftests: firmware: Add firmware_request_platform tests test_firmware: add support for firmware_request_platform firmware: Add new platform fallback mechanism and firmware_request_platform() Revert "drivers: base: power: wakeup.c: Use built-in RCU list checking" drivers: base: power: wakeup.c: Use built-in RCU list checking component: allow missing unbind callback debugfs: remove return value of debugfs_create_file_size() debugfs: Check module state before warning in {full/open}_proxy_open() firmware: fix a double abort case with fw_load_sysfs_fallback arch_topology: Fix putting invalid cpu clk ...
2020-03-04of: property: Delete of_devlink kernel commandline optionSaravana Kannan
With the addition of fw_devlink kernel commandline option, of_devlink is redundant and not useful anymore. So, delete it. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Saravana Kannan <saravanak@google.com> Link: https://lore.kernel.org/r/20200222014038.180923-6-saravanak@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04of: property: Start using fw_devlink_get_flags()Saravana Kannan
The fw_devlink_get_flags() provides the right flags to use when creating mandatory device links derived from information provided by the firmware. So, use that. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Saravana Kannan <saravanak@google.com> Link: https://lore.kernel.org/r/20200222014038.180923-5-saravanak@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-03drivers/of/of_mdio.c:fix of_mdiobus_register()Dajun Jin
When registers a phy_device successful, should terminate the loop or the phy_device would be registered in other addr. If there are multiple PHYs without reg properties, it will go wrong. Signed-off-by: Dajun Jin <adajunjin@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-02of: overlay: log the error cause on resolver failureLuca Ceresoli
When a DT overlay has a node label that is not present in the live devicetree symbols table, this error is printed: OF: resolver: overlay phandle fixup failed: -22 create_overlay: Failed to create overlay (err=-22) which does not help much in finding the node label that caused the problem and fix the overlay source. Add an error message with the name of the node label that caused the error. The new output is: OF: resolver: node label 'gpio9' not found in live devicetree symbols table OF: resolver: overlay phandle fixup failed: -22 create_overlay: Failed to create overlay (err=-22) Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Reviewed-by: Frank Rowand <frank.rowand@sony.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org>
2020-03-02of: unittest: make gpio overlay test dependent on CONFIG_OF_GPIOFrank Rowand
Randconfig testing found compile errors in drivers/of/unittest.c if CONFIG_GPIOLIB is not set because CONFIG_OF_GPIO depends on CONFIG_GPIOLIB. Make the gpio overlay test depend on CONFIG_OF_GPIO. No code is modified, it is only moved to a different location and protected with #ifdef CONFIG_OF_GPIO. An empty of_unittest_overlay_gpio() is added in the #else. Fixes: f4056e705b2e ("of: unittest: add overlay gpio test to catch gpio hog problem") Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-27Merge branch 'dt/ranges-rework' into dt/nextRob Herring
2020-02-26of: unittest: annotate warnings triggered by unittestFrank Rowand
Some tests in the devicetree unittests result in printk messages from the code being tested. It can be difficult to determine whether the messages are the result of unittest or are potentially reporting bugs that should be fixed. The most recent example of a person asking whether to be concerned about these messages is [1]. Add annotations for all messages triggered by unittests, except KERN_DEBUG messages. (KERN_DEBUG is a special case due to the possible interaction of CONFIG_DYNAMIC_DEBUG.) The format of the annotations is expected to change when unittests are converted to use the kunit infrastructure when the broader testing community has an opportunity to discuss the implementation of annotations of test triggered messages. [1] https://lore.kernel.org/r/6021ac63-b5e0-ed3d-f964-7c6ef579cd68@huawei.com Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-26of: unittest: add overlay gpio test to catch gpio hog problemFrank Rowand
Geert reports that gpio hog nodes are not properly processed when the gpio hog node is added via an overlay reply and provides an RFC patch to fix the problem [1]. Add a unittest that shows the problem. Unittest will report "1 failed" test before applying Geert's RFC patch and "0 failed" after applying Geert's RFC patch. [1] https://lore.kernel.org/linux-devicetree/20191230133852.5890-1-geert+renesas@glider.be/ Signed-off-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-26of: property: Add device link support for power-domains and hwlocksSaravana Kannan
Add support for creating device links out of more DT properties. To: lkml <linux-kernel@vger.kernel.org> To: John Stultz <john.stultz@linaro.org> To: Rob Herring <robh@kernel.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Kevin Hilman <khilman@kernel.org> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Todd Kjos <tkjos@google.com> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-pm@vger.kernel.org Signed-off-by: Saravana Kannan <saravanak@google.com> Tested-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-25of: of_reserved_mem: Increase limit on number of reserved regionsPatrick Daly
Certain SoCs need to support a large amount of reserved memory regions. For example, Qualcomm's SM8150 SoC requires that 20 regions of memory be reserved for a variety of reasons (e.g. loading a peripheral subsystem's firmware image into a particular space). When adding more reserved memory regions to cater to different usecases, the remaining number of reserved memory regions--12 to be exact--becomes too small. Thus, double the existing limit of reserved memory regions. Signed-off-by: Patrick Daly <pdaly@codeaurora.org> Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org> Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-14of/address: Support multiple 'dma-ranges' entriesRob Herring
Currently, the DMA offset and mask for a device are set based only on the first 'dma-ranges' entry. We should really be using all the entries. The kernel doesn't yet support multiple offsets and sizes, so the best we can do is to find the biggest size for a single offset. The algorithm is copied from acpi_dma_get_range(). If there's different offsets from the first entry, then we warn and continue. It really should be an error, but this will likely break existing DTs. Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-14of/address: use range parser for of_dma_get_rangeRob Herring
of_dma_get_range() does the same ranges parsing as of_pci_range_parser_one(), so let's refactor of_dma_get_range() to use it instead. This commit is no functional change. Subsequent commits will parse more than the 1st dma-ranges entry. Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-14of/address: Rework of_pci_range parsing for non-PCI busesRob Herring
The only PCI specific part of of_pci_range_parser_one() is the handling of the 3rd address cell. Rework it to work on regular 1 and 2 cell addresses. Use defines and a union to avoid a treewide renaming of the parsing helpers and struct. Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-14of: Drop struct of_pci_range.pci_space fieldRob Herring
There's no more users of struct of_pci_range.pci_space field, so remove it. Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-13of/address: Move range parser code out of CONFIG_PCIRob Herring
In preparation to make the range parsing code work for non-PCI buses, move the parsing functions out from the CONFIG_PCI #ifdef. Signed-off-by: Rob Herring <robh@kernel.org>
2020-02-08Merge tag 'armsoc-drivers' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC-related driver updates from Olof Johansson: "Various driver updates for platforms: - Nvidia: Fuse support for Tegra194, continued memory controller pieces for Tegra30 - NXP/FSL: Refactorings of QuickEngine drivers to support ARM/ARM64/PPC - NXP/FSL: i.MX8MP SoC driver pieces - TI Keystone: ring accelerator driver - Qualcomm: SCM driver cleanup/refactoring + support for new SoCs. - Xilinx ZynqMP: feature checking interface for firmware. Mailbox communication for power management - Overall support patch set for cpuidle on more complex hierarchies (PSCI-based) and misc cleanups, refactorings of Marvell, TI, other platforms" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (166 commits) drivers: soc: xilinx: Use mailbox IPI callback dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists MAINTAINERS: Add brcmstb PCIe controller entry soc/tegra: fuse: Unmap registers once they are not needed anymore soc/tegra: fuse: Correct straps' address for older Tegra124 device trees soc/tegra: fuse: Warn if straps are not ready soc/tegra: fuse: Cache values of straps and Chip ID registers memory: tegra30-emc: Correct error message for timed out auto calibration memory: tegra30-emc: Firm up hardware programming sequence memory: tegra30-emc: Firm up suspend/resume sequence soc/tegra: regulators: Do nothing if voltage is unchanged memory: tegra: Correct reset value of xusb_hostr soc/tegra: fuse: Add APB DMA dependency for Tegra20 bus: tegra-aconnect: Remove PM_CLK dependency dt-bindings: mediatek: add MT6765 power dt-bindings soc: mediatek: cmdq: delete not used define memory: tegra: Add support for the Tegra194 memory controller memory: tegra: Only include support for enabled SoCs memory: tegra: Support DVFS on Tegra186 and later ...
2020-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Use after free in rxrpc_put_local(), from David Howells. 2) Fix 64-bit division error in mlxsw, from Nathan Chancellor. 3) Make sure we clear various bits of TCP state in response to tcp_disconnect(). From Eric Dumazet. 4) Fix netlink attribute policy in cls_rsvp, from Eric Dumazet. 5) txtimer must be deleted in stmmac suspend(), from Nicolin Chen. 6) Fix TC queue mapping in bnxt_en driver, from Michael Chan. 7) Various netdevsim fixes from Taehee Yoo (use of uninitialized data, snapshot panics, stack out of bounds, etc.) 8) cls_tcindex changes hash table size after allocating the table, fix from Cong Wang. 9) Fix regression in the enforcement of session ID uniqueness in l2tp. We only have to enforce uniqueness for IP based tunnels not UDP ones. From Ridge Kennedy. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (46 commits) gtp: use __GFP_NOWARN to avoid memalloc warning l2tp: Allow duplicate session creation with UDP r8152: Add MAC passthrough support to new device net_sched: fix an OOB access in cls_tcindex qed: Remove set but not used variable 'p_link' tc-testing: add missing 'nsPlugin' to basic.json tc-testing: fix eBPF tests failure on linux fresh clones net: hsr: fix possible NULL deref in hsr_handle_frame() netdevsim: remove unused sdev code netdevsim: use __GFP_NOWARN to avoid memalloc warning netdevsim: use IS_ERR instead of IS_ERR_OR_NULL for debugfs netdevsim: fix stack-out-of-bounds in nsim_dev_debugfs_init() netdevsim: fix panic in nsim_dev_take_snapshot_write() netdevsim: disable devlink reload when resources are being used netdevsim: fix using uninitialized resources bnxt_en: Fix TC queue mapping. bnxt_en: Fix logic that disables Bus Master during firmware reset. bnxt_en: Fix RDMA driver failure with SRIOV after firmware reset. bnxt_en: Refactor logic to re-enable SRIOV after firmware reset detected. net: stmmac: Delete txtimer in suspend() ...
2020-02-04treewide: remove redundant IS_ERR() before error code checkMasahiro Yamada
'PTR_ERR(p) == -E*' is a stronger condition than IS_ERR(p). Hence, IS_ERR(p) is unneeded. The semantic patch that generates this commit is as follows: // <smpl> @@ expression ptr; constant error_code; @@ -IS_ERR(ptr) && (PTR_ERR(ptr) == - error_code) +PTR_ERR(ptr) == - error_code // </smpl> Link: http://lkml.kernel.org/r/20200106045833.1725-1-masahiroy@kernel.org Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Cc: Julia Lawall <julia.lawall@lip6.fr> Acked-by: Stephen Boyd <sboyd@kernel.org> [drivers/clk/clk.c] Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> [GPIO] Acked-by: Wolfram Sang <wsa@the-dreams.de> [drivers/i2c] Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [acpi/scan.c] Acked-by: Rob Herring <robh@kernel.org> Cc: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31net: mii_timestamper: fix static allocation by PHY driverMichael Walle
If phydev->mii_ts is set by the PHY driver, it will always be overwritten in of_mdiobus_register_phy(). Fix it. Also make sure, that the unregister() doesn't do anything if the mii_timestamper was provided by the PHY driver. Fixes: 1dca22b18421 ("net: mdio: of: Register discovered MII time stampers.") Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-31net: mdio: of: fix potential NULL pointer derefernceMichael Walle
of_find_mii_timestamper() returns NULL if no timestamper is found. Therefore, guard the unregister_mii_timestamper() calls. Fixes: 1dca22b18421 ("net: mdio: of: Register discovered MII time stampers.") Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-01-30Merge tag 'devicetree-for-5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Update dtc to upstream v1.5.1-22-gc40aeb60b47a (plus 1 revert) - Fix for DMA coherent devices on Power - Rework and simplify the DT phandle cache code - DT schema conversions for LEDS, gpio-leds, STM32 dfsdm, STM32 UART, STM32 ROMEM, STM32 watchdog, STM32 DMAs, STM32 mlahb, STM32 RTC, STM32 RCC, STM32 syscon, rs485, Renesas rCar CSI2, Faraday FTIDE010, DWC2, Arm idle-states, Allwinner legacy resets, PRCM and clocks, Allwinner H6 OPP, Allwinner AHCI, Allwinner MBUS, Allwinner A31 CSI, Allwinner h/w codec, Allwinner A10 system ctrl, Allwinner SRAM, Allwinner USB PHY, Renesas CEU, generic PCI host, Arm Versatile PCI - New binding schemas for SATA and PATA controllers, TI and Infineon VR controllers, MAX31730 - New compatible strings for i.MX8QM, WCN3991, renesas,r8a77961-wdt, renesas,etheravb-r8a77961 - Add USB 'super-speed-plus' as a documented speed - Vendor prefixes for broadmobi, calaosystems, kam, and mps - Clean-up the multiple flavors of ST-Ericsson vendor prefixes * tag 'devicetree-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (66 commits) scripts/dtc: Revert "yamltree: Ensure consistent bracketing of properties with phandles" of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpc dt-bindings: leds: Convert gpio-leds to DT schema dt-bindings: leds: Convert common LED binding to schema dt-bindings: PCI: Convert generic host binding to DT schema dt-bindings: PCI: Convert Arm Versatile binding to DT schema dt-bindings: Be explicit about installing deps dt-bindings: stm32: convert dfsdm to json-schema dt-bindings: serial: Convert STM32 UART to json-schema dt-bindings: serial: Convert rs485 bindings to json-schema dt-bindings: timer: Use non-empty ranges in example dt-bindings: arm-boards: typo fix dt-bindings: Add TI and Infineon VR Controllers as trivial devices dt-binding: usb: add "super-speed-plus" dt-bindings: rcar-csi2: Convert bindings to json-schema dt-bindings: iio: adc: ad7606: Fix wrong maxItems value dt-bindings: Convert Faraday FTIDE010 to DT schema dt-bindings: Create DT bindings for PATA controllers dt-bindings: Create DT bindings for SATA controllers dt: bindings: add vendor prefix for Kamstrup A/S ...
2020-01-28of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpcMichael Ellerman
There's an OF helper called of_dma_is_coherent(), which checks if a device has a "dma-coherent" property to see if the device is coherent for DMA. But on some platforms devices are coherent by default, and on some platforms it's not possible to update existing device trees to add the "dma-coherent" property. So add a Kconfig symbol to allow arch code to tell of_dma_is_coherent() that devices are coherent by default, regardless of the presence of the property. Select that symbol on powerpc when NOT_COHERENT_CACHE is not set, ie. when the system has a coherent cache. Fixes: 92ea637edea3 ("of: introduce of_dma_is_coherent() helper") Cc: stable@vger.kernel.org # v3.16+ Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de> Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
2020-01-08of: overlay: Remove blank line between assignment and checkGeert Uytterhoeven
There used to be blank lines between assignment and check of the __of_changeset_revert_entries() result, to make the phandle cache management operations stand out. After the removal of those operations in commit 90dc0d1ce890419f ("of: Rework and simplify phandle cache to use a fixed size"), there is no longer a reason to have such a blank line. Remove the blank line, to rejoin visibly the status assignement and check, and to match coding style. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org>
2020-01-02of: base: Add of_get_cpu_state_node() to get idle states for a CPU nodeUlf Hansson
The CPU's idle state nodes are currently parsed at the common cpuidle DT library, but also when initializing data for specific CPU idle operations, as in the PSCI cpuidle driver case and qcom-spm cpuidle case. To avoid open-coding, let's introduce of_get_cpu_state_node(), which takes the device node for the CPU and the index to the requested idle state node, as in-parameters. In case a corresponding idle state node is found, it returns the node with the refcount incremented for it, else it returns NULL. Moreover, for PSCI there are two options to describe the CPU's idle states [1], either via a flattened description or a hierarchical layout. Hence, let's take both options into account. [1] Documentation/devicetree/bindings/arm/psci.yaml Suggested-by: Sudeep Holla <sudeep.holla@arm.com> Co-developed-by: Lina Iyer <lina.iyer@linaro.org> Signed-off-by: Lina Iyer <lina.iyer@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
2019-12-25net: mdio: of: Register discovered MII time stampers.Richard Cochran
When parsing a PHY node, register its time stamper, if any, and attach the instance to the PHY device. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-24of: Rework and simplify phandle cache to use a fixed sizeRob Herring
The phandle cache was added to speed up of_find_node_by_phandle() by avoiding walking the whole DT to find a matching phandle. The implementation has several shortcomings: - The cache is designed to work on a linear set of phandle values. This is true for dtc generated DTs, but not for other cases such as Power. - The cache isn't enabled until of_core_init() and a typical system may see hundreds of calls to of_find_node_by_phandle() before that point. - The cache is freed and re-allocated when the number of phandles changes. - It takes a raw spinlock around a memory allocation which breaks on RT. Change the implementation to a fixed size and use hash_32() as the cache index. This greatly simplifies the implementation. It avoids the need for any re-alloc of the cache and taking a reference on nodes in the cache. We only have a single source of removing cache entries which is of_detach_node(). Using hash_32() removes any assumption on phandle values improving the hit rate for non-linear phandle values. The effect on linear values using hash_32() is about a 10% collision. The chances of thrashing on colliding values seems to be low. To compare performance, I used a RK3399 board which is a pretty typical system. I found that just measuring boot time as done previously is noisy and may be impacted by other things. Also bringing up secondary cores causes some issues with measuring, so I booted with 'nr_cpus=1'. With no caching, calls to of_find_node_by_phandle() take about 20124 us for 1248 calls. There's an additional 288 calls before time keeping is up. Using the average time per hit/miss with the cache, we can calculate these calls to take 690 us (277 hit / 11 miss) with a 128 entry cache and 13319 us with no cache or an uninitialized cache. Comparing the 3 implementations the time spent in of_find_node_by_phandle() is: no cache: 20124 us (+ 13319 us) 128 entry cache: 5134 us (+ 690 us) current cache: 819 us (+ 13319 us) We could move the allocation of the cache earlier to improve the current cache, but that just further complicates the situation as it needs to be after slab is up, so we can't do it when unflattening (which uses memblock). Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Segher Boessenkool <segher@kernel.crashing.org> Cc: Frank Rowand <frowand.list@gmail.com> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Tested-by: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Several nf_flow_table_offload fixes from Pablo Neira Ayuso, including adding a missing ipv6 match description. 2) Several heap overflow fixes in mwifiex from qize wang and Ganapathi Bhat. 3) Fix uninit value in bond_neigh_init(), from Eric Dumazet. 4) Fix non-ACPI probing of nxp-nci, from Stephan Gerhold. 5) Fix use after free in tipc_disc_rcv(), from Tuong Lien. 6) Enforce limit of 33 tail calls in mips and riscv JIT, from Paul Chaignon. 7) Multicast MAC limit test is off by one in qede, from Manish Chopra. 8) Fix established socket lookup race when socket goes from TCP_ESTABLISHED to TCP_LISTEN, because there lacks an intervening RCU grace period. From Eric Dumazet. 9) Don't send empty SKBs from tcp_write_xmit(), also from Eric Dumazet. 10) Fix active backup transition after link failure in bonding, from Mahesh Bandewar. 11) Avoid zero sized hash table in gtp driver, from Taehee Yoo. 12) Fix wrong interface passed to ->mac_link_up(), from Russell King. 13) Fix DSA egress flooding settings in b53, from Florian Fainelli. 14) Memory leak in gmac_setup_txqs(), from Navid Emamdoost. 15) Fix double free in dpaa2-ptp code, from Ioana Ciornei. 16) Reject invalid MTU values in stmmac, from Jose Abreu. 17) Fix refcount leak in error path of u32 classifier, from Davide Caratti. 18) Fix regression causing iwlwifi firmware crashes on boot, from Anders Kaseorg. 19) Fix inverted return value logic in llc2 code, from Chan Shu Tak. 20) Disable hardware GRO when XDP is attached to qede, frm Manish Chopra. 21) Since we encode state in the low pointer bits, dst metrics must be at least 4 byte aligned, which is not necessarily true on m68k. Add annotations to fix this, from Geert Uytterhoeven. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (160 commits) sfc: Include XDP packet headroom in buffer step size. sfc: fix channel allocation with brute force net: dst: Force 4-byte alignment of dst_metrics selftests: pmtu: fix init mtu value in description hv_netvsc: Fix unwanted rx_table reset net: phy: ensure that phy IDs are correctly typed mod_devicetable: fix PHY module format qede: Disable hardware gro when xdp prog is installed net: ena: fix issues in setting interrupt moderation params in ethtool net: ena: fix default tx interrupt moderation interval net/smc: unregister ib devices in reboot_event net: stmmac: platform: Fix MDIO init for platforms without PHY llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c) net: hisilicon: Fix a BUG trigered by wrong bytes_compl net: dsa: ksz: use common define for tag len s390/qeth: don't return -ENOTSUPP to userspace s390/qeth: fix promiscuous mode after reset s390/qeth: handle error due to unsupported transport mode cxgb4: fix refcount init for TC-MQPRIO offload tc-testing: initial tdc selftests for cls_u32 ...
2019-12-19of: mdio: export of_mdiobus_child_is_phyAntoine Tenart
This patch exports of_mdiobus_child_is_phy, allowing to check if a child node is a network PHY. Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-12of/platform: Unconditionally pause/resume sync state during kernel initSaravana Kannan
Commit 5e6669387e22 ("of/platform: Pause/resume sync state during init and of_platform_populate()") paused/resumed sync state during init only if Linux had parsed and populated a devicetree. However, the check for that (of_have_populated_dt()) can change after of_platform_default_populate_init() executes. One example of this is when devicetree unittests are enabled. This causes an unmatched pause/resume of sync state. To avoid this, just unconditionally pause/resume sync state during init. Fixes: 5e6669387e22 ("of/platform: Pause/resume sync state during init and of_platform_populate()") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Saravana Kannan <saravanak@google.com> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
2019-12-02Merge tag 'devicetree-for-5.5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull Devicetree updates from Rob Herring: - DT schemas for PWM, syscon, power domains, SRAM, syscon-reboot, syscon-poweroff, renesas-irqc, simple-pm-bus, renesas-bsc, pwm-rcar, Renesas tpu, at24 eeprom, rtc-sh, Allwinner PS/2, sharp,ld-d5116z01b panel, Arm SMMU, max77650, Meson CEC, Amlogic canvas and DWC3 glue, Allwinner A10 mUSB and CAN, TI Davinci MDIO, QCom QCS404 interconnect, Unisoc/Spreadtrum SoCs and UART - Convert a bunch of Samsung bindings to DT schema - Convert a bunch of ST stm32 bindings to DT schema - Realtek and Exynos additions to Arm Mali bindings - Fix schema errors in RiscV CPU schema - Various schema fixes from improved meta-schema checks - Improve the handling of 'dma-ranges' and in particular fix DMA mask setup on PCI bridges - Fix a memory leak in add_changeset_property() and DT unit tests. - Several documentation improvements for schema validation - Rework build rules to improve schema validation errors - Color output for dtx_diff * tag 'devicetree-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (138 commits) libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h dt-bindings: arm: Remove leftover axentia.txt of: unittest: fix memory leak in attach_node_and_children of: overlay: add_changeset_property() memory leak dt-bindings: interrupt-controller: arm,gic-v3: Add missing type to interrupt-partition-* nodes dt-bindings: firmware: ixp4xx: Drop redundant minItems/maxItems dt-bindings: power: Rename back power_domain.txt bindings to fix references dt-bindings: i2c: stm32: Migrate i2c-stm32 documentation to yaml dt-bindings: mtd: Convert stm32 fmc2-nand bindings to json-schema dt-bindings: remoteproc: convert stm32-rproc to json-schema dt-bindings: mailbox: convert stm32-ipcc to json-schema dt-bindings: mfd: Convert stm32 low power timers bindings to json-schema dt-bindings: interrupt-controller: Convert stm32-exti to json-schema dt-bindings: crypto: Convert stm32 HASH bindings to json-schema dt-bindings: rng: Convert stm32 RNG bindings to json-schema dt-bindings: pwm: Convert Samsung PWM bindings to json-schema dt-bindings: pwm: Convert PWM bindings to json-schema dt-bindings: serial: Add a new compatible string for SC9863A dt-bindings: serial: Convert sprd-uart to json-schema dt-bindings: arm: Add bindings for Unisoc SC9863A ...
2019-11-28Merge branch 'master' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping Pull dma-mapping updates from Christoph Hellwig: - improve dma-debug scalability (Eric Dumazet) - tiny dma-debug cleanup (Dan Carpenter) - check for vmap memory in dma_map_single (Kees Cook) - check for dma_addr_t overflows in dma-direct when using DMA offsets (Nicolas Saenz Julienne) - switch the x86 sta2x11 SOC to use more generic DMA code (Nicolas Saenz Julienne) - fix arm-nommu dma-ranges handling (Vladimir Murzin) - use __initdata in CMA (Shyam Saini) - replace the bus dma mask with a limit (Nicolas Saenz Julienne) - merge the remapping helpers into the main dma-direct flow (me) - switch xtensa to the generic dma remap handling (me) - various cleanups around dma_capable (me) - remove unused dev arguments to various dma-noncoherent helpers (me) * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux: * tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping: (22 commits) dma-mapping: treat dev->bus_dma_mask as a DMA limit dma-direct: exclude dma_direct_map_resource from the min_low_pfn check dma-direct: don't check swiotlb=force in dma_direct_map_resource dma-debug: clean up put_hash_bucket() powerpc: remove support for NULL dev in __phys_to_dma / __dma_to_phys dma-direct: avoid a forward declaration for phys_to_dma dma-direct: unify the dma_capable definitions dma-mapping: drop the dev argument to arch_sync_dma_for_* x86/PCI: sta2x11: use default DMA address translation dma-direct: check for overflows on 32 bit DMA addresses dma-debug: increase HASH_SIZE dma-debug: reorder struct dma_debug_entry fields xtensa: use the generic uncached segment support dma-mapping: merge the generic remapping helpers into dma-direct dma-direct: provide mmap and get_sgtable method overrides dma-direct: remove the dma_handle argument to __dma_direct_alloc_pages dma-direct: remove __dma_direct_free_pages usb: core: Remove redundant vmap checks kernel: dma-contiguous: mark CMA parameters __initdata/__initconst dma-debug: add a schedule point in debug_dma_dump_mappings() ...
2019-11-27Merge tag 'driver-core-5.5-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here is the "big" set of driver core patches for 5.5-rc1 There's a few minor cleanups and fixes in here, but the majority of the patches in here fall into two buckets: - debugfs api cleanups and fixes - driver core device link support for boot dependancy issues The debugfs api cleanups are working to slowly refactor the debugfs apis so that it is even harder to use incorrectly. That work has been happening for the past few kernel releases and will continue over time, it's a long-term project/goal The driver core device link support missed 5.4 by just a bit, so it's been sitting and baking for many months now. It's from Saravana Kannan to help resolve the problems that DT-based systems have at boot time with dependancy graphs and kernel modules. Turns out that no one has actually tried to build a generic arm64 kernel with loads of modules and have it "just work" for a variety of platforms (like a distro kernel). The big problem turned out to be a lack of dependency information between different areas of DT entries, and the work here resolves that problem and now allows devices to boot properly, and quicker than a monolith kernel. All of these patches have been in linux-next for a long time with no reported issues" * tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (68 commits) tracing: Remove unnecessary DEBUG_FS dependency of: property: Add device link support for interrupt-parent, dmas and -gpio(s) debugfs: Fix !DEBUG_FS debugfs_create_automount of: property: Add device link support for "iommu-map" of: property: Fix the semantics of of_is_ancestor_of() i2c: of: Populate fwnode in of_i2c_get_board_info() drivers: base: Fix Kconfig indentation firmware_loader: Fix labels with comma for builtin firmware driver core: Allow device link operations inside sync_state() driver core: platform: Declare ret variable only once cpu-topology: declare parse_acpi_topology in <linux/arch_topology.h> crypto: hisilicon: no need to check return value of debugfs_create functions driver core: platform: use the correct callback type for bus_find_device firmware_class: make firmware caching configurable driver core: Clarify documentation for fwnode_operations.add_links() mailbox: tegra: Fix superfluous IRQ error message net: caif: Fix debugfs on 64-bit platforms mac80211: Use debugfs_create_xul() helper media: c8sectpfe: no need to check return value of debugfs_create functions of: property: Add device link support for iommus, mboxes and io-channels ...
2019-11-26Merge tag 'devprop-5.5-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull device properties framework updates from Rafael Wysocki: "Add support for printing fwnode names using a new conversion specifier "%pfw" (Sakari Ailus), clean up the software node and efi/apple-properties code in preparation for improved software node reference properties handling (Dmitry Torokhov) and fix the struct fwnode_operations description (Heikki Krogerus)" * tag 'devprop-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits) software node: simplify property_entry_read_string_array() software node: unify PROPERTY_ENTRY_XXX macros software node: remove property_entry_read_uNN_array functions software node: get rid of property_set_pointer() software node: clean up property_copy_string_array() software node: mark internal macros with double underscores efi/apple-properties: use PROPERTY_ENTRY_U8_ARRAY_LEN software node: introduce PROPERTY_ENTRY_XXX_ARRAY_LEN() software node: remove DEV_PROP_MAX device property: Fix the description of struct fwnode_operations lib/test_printf: Add tests for %pfw printk modifier lib/vsprintf: Add %pfw conversion specifier for printing fwnode names lib/vsprintf: OF nodes are first and foremost, struct device_nodes lib/vsprintf: Make use of fwnode API to obtain node names and separators lib/vsprintf: Add a note on re-using %pf or %pF lib/vsprintf: Remove support for %pF and %pf in favour of %pS and %ps device property: Add a function to obtain a node's prefix device property: Add fwnode_get_name for returning the name of a node device property: Add functions for accessing node's parents device property: Move fwnode_get_parent() up ...
2019-11-26of: unittest: fix memory leak in attach_node_and_childrenErhard Furtner
In attach_node_and_children memory is allocated for full_name via kasprintf. If the condition of the 1st if is not met the function returns early without freeing the memory. Add a kfree() to fix that. This has been detected with kmemleak: Link: https://bugzilla.kernel.org/show_bug.cgi?id=205327 It looks like the leak was introduced by this commit: Fixes: 5babefb7f7ab ("of: unittest: allow base devicetree to have symbol metadata") Signed-off-by: Erhard Furtner <erhard_f@mailbox.org> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Rob Herring <robh@kernel.org>
2019-11-26of: overlay: add_changeset_property() memory leakFrank Rowand
No changeset entries are created for #address-cells and #size-cells properties, but the duplicated properties are never freed. This results in a memory leak which is detected by kmemleak: unreferenced object 0x85887180 (size 64): backtrace: kmem_cache_alloc_trace+0x1fb/0x1fc __of_prop_dup+0x25/0x7c add_changeset_property+0x17f/0x370 build_changeset_next_level+0x29/0x20c of_overlay_fdt_apply+0x32b/0x6b4 ... Fixes: 6f75118800ac ("of: overlay: validate overlay properties #address-cells and #size-cells") Reported-by: Vincent Whitchurch <vincent.whitchurch@axis.com> Signed-off-by: Frank Rowand <frank.rowand@sony.com> Tested-by: Vincent Whitchurch <vincent.whitchurch@axis.com> Signed-off-by: Rob Herring <robh@kernel.org>
2019-11-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextLinus Torvalds
Pull networking updates from David Miller: "Another merge window, another pull full of stuff: 1) Support alternative names for network devices, from Jiri Pirko. 2) Introduce per-netns netdev notifiers, also from Jiri Pirko. 3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara Larsen. 4) Allow compiling out the TLS TOE code, from Jakub Kicinski. 5) Add several new tracepoints to the kTLS code, also from Jakub. 6) Support set channels ethtool callback in ena driver, from Sameeh Jubran. 7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED, SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long. 8) Add XDP support to mvneta driver, from Lorenzo Bianconi. 9) Lots of netfilter hw offload fixes, cleanups and enhancements, from Pablo Neira Ayuso. 10) PTP support for aquantia chips, from Egor Pomozov. 11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From Josh Hunt. 12) Add smart nagle to tipc, from Jon Maloy. 13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat Duvvuru. 14) Add a flow mask cache to OVS, from Tonghao Zhang. 15) Add XDP support to ice driver, from Maciej Fijalkowski. 16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak. 17) Support UDP GSO offload in atlantic driver, from Igor Russkikh. 18) Support it in stmmac driver too, from Jose Abreu. 19) Support TIPC encryption and auth, from Tuong Lien. 20) Introduce BPF trampolines, from Alexei Starovoitov. 21) Make page_pool API more numa friendly, from Saeed Mahameed. 22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni. 23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits) libbpf: Fix usage of u32 in userspace code mm: Implement no-MMU variant of vmalloc_user_node_flags slip: Fix use-after-free Read in slip_open net: dsa: sja1105: fix sja1105_parse_rgmii_delays() macvlan: schedule bc_work even if error enetc: add support Credit Based Shaper(CBS) for hardware offload net: phy: add helpers phy_(un)lock_mdio_bus mdio_bus: don't use managed reset-controller ax88179_178a: add ethtool_op_get_ts_info() mlxsw: spectrum_router: Fix use of uninitialized adjacency index mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels bpf: Simplify __bpf_arch_text_poke poke type handling bpf: Introduce BPF_TRACE_x helper for the tracing tests bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT bpf, testing: Add various tail call test cases bpf, x86: Emit patchable direct jump as tail call bpf: Constant map key tracking for prog array pokes bpf: Add poke dependency tracking for prog array maps bpf: Add initial poke descriptor table for jit images bpf: Move owner type, jited info into array auxiliary data ...
2019-11-25Merge tag 'printk-for-5.5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk Pull printk updates from Petr Mladek: - Allow to print symbolic error names via new %pe modifier. - Use pr_warn() instead of the remaining pr_warning() calls. Fix formatting of the related lines. - Add VSPRINTF entry to MAINTAINERS. * tag 'printk-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk: (32 commits) checkpatch: don't warn about new vsprintf pointer extension '%pe' MAINTAINERS: Add VSPRINTF tools lib api: Renaming pr_warning to pr_warn ASoC: samsung: Use pr_warn instead of pr_warning lib: cpu_rmap: Use pr_warn instead of pr_warning trace: Use pr_warn instead of pr_warning dma-debug: Use pr_warn instead of pr_warning vgacon: Use pr_warn instead of pr_warning fs: afs: Use pr_warn instead of pr_warning sh/intc: Use pr_warn instead of pr_warning scsi: Use pr_warn instead of pr_warning platform/x86: intel_oaktrail: Use pr_warn instead of pr_warning platform/x86: asus-laptop: Use pr_warn instead of pr_warning platform/x86: eeepc-laptop: Use pr_warn instead of pr_warning oprofile: Use pr_warn instead of pr_warning of: Use pr_warn instead of pr_warning macintosh: Use pr_warn instead of pr_warning idsn: Use pr_warn instead of pr_warning ide: Use pr_warn instead of pr_warning crypto: n2: Use pr_warn instead of pr_warning ...
2019-11-22of: property: Add device link support for interrupt-parent, dmas and -gpio(s)Saravana Kannan
Add support for creating device links out of more DT properties. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vinod Koul <vkoul@kernel.org> Signed-off-by: Saravana Kannan <saravanak@google.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20191120071302.227777-1-saravanak@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-21dma-mapping: treat dev->bus_dma_mask as a DMA limitNicolas Saenz Julienne
Using a mask to represent bus DMA constraints has a set of limitations. The biggest one being it can only hold a power of two (minus one). The DMA mapping code is already aware of this and treats dev->bus_dma_mask as a limit. This quirk is already used by some architectures although still rare. With the introduction of the Raspberry Pi 4 we've found a new contender for the use of bus DMA limits, as its PCIe bus can only address the lower 3GB of memory (of a total of 4GB). This is impossible to represent with a mask. To make things worse the device-tree code rounds non power of two bus DMA limits to the next power of two, which is unacceptable in this case. In the light of this, rename dev->bus_dma_mask to dev->bus_dma_limit all over the tree and treat it as such. Note that dev->bus_dma_limit should contain the higher accessible DMA address. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-11-21of: property: Add device link support for "iommu-map"Will Deacon
Commit 8e12257dead7 ("of: property: Add device link support for iommus, mboxes and io-channels") added device link support for IOMMU linkages described using the "iommus" property. For PCI devices, this property is not present and instead the "iommu-map" property is used on the host bridge node to map the endpoint RequesterIDs to their corresponding IOMMU instance. Add support for "iommu-map" to the device link supplier bindings so that probing of PCI devices can be deferred until after the IOMMU is available. Cc: Rob Herring <robh@kernel.org> Cc: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Will Deacon <will@kernel.org> Acked-by: Saravana Kannan <saravanak@google.com> Link: https://lore.kernel.org/r/20191120190028.4722-1-will@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>