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2023-02-24Merge tag 'driver-core-6.3-rc1' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here is the large set of driver core changes for 6.3-rc1. There's a lot of changes this development cycle, most of the work falls into two different categories: - fw_devlink fixes and updates. This has gone through numerous review cycles and lots of review and testing by lots of different devices. Hopefully all should be good now, and Saravana will be keeping a watch for any potential regression on odd embedded systems. - driver core changes to work to make struct bus_type able to be moved into read-only memory (i.e. const) The recent work with Rust has pointed out a number of areas in the driver core where we are passing around and working with structures that really do not have to be dynamic at all, and they should be able to be read-only making things safer overall. This is the contuation of that work (started last release with kobject changes) in moving struct bus_type to be constant. We didn't quite make it for this release, but the remaining patches will be finished up for the release after this one, but the groundwork has been laid for this effort. Other than that we have in here: - debugfs memory leak fixes in some subsystems - error path cleanups and fixes for some never-able-to-be-hit codepaths. - cacheinfo rework and fixes - Other tiny fixes, full details are in the shortlog All of these have been in linux-next for a while with no reported problems" [ Geert Uytterhoeven points out that that last sentence isn't true, and that there's a pending report that has a fix that is queued up - Linus ] * tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits) debugfs: drop inline constant formatting for ERR_PTR(-ERROR) OPP: fix error checking in opp_migrate_dentry() debugfs: update comment of debugfs_rename() i3c: fix device.h kernel-doc warnings dma-mapping: no need to pass a bus_type into get_arch_dma_ops() driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place Revert "driver core: add error handling for devtmpfs_create_node()" Revert "devtmpfs: add debug info to handle()" Revert "devtmpfs: remove return value of devtmpfs_delete_node()" driver core: cpu: don't hand-override the uevent bus_type callback. devtmpfs: remove return value of devtmpfs_delete_node() devtmpfs: add debug info to handle() driver core: add error handling for devtmpfs_create_node() driver core: bus: update my copyright notice driver core: bus: add bus_get_dev_root() function driver core: bus: constify bus_unregister() driver core: bus: constify some internal functions driver core: bus: constify bus_get_kset() driver core: bus: constify bus_register/unregister_notifier() driver core: remove private pointer from struct bus_type ...
2023-02-01pcmcia: remove unused pxa/sa1100 driversArnd Bergmann6-565/+2
A number of boards got removed, so this code is now orphaned. Cc: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-27driver core: make struct bus_type.uevent() take a const *Greg Kroah-Hartman1-2/+2
The uevent() callback in struct bus_type should not be modifying the device that is passed into it, so mark it as a const * and propagate the function signature changes out into all relevant subsystems that use this callback. Acked-by: Rafael J. Wysocki <rafael@kernel.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20230111113018.459199-16-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20ARM: pxa: remove unused board filesArnd Bergmann2-11/+1
The majority of all pxa board files has not been touched in a long time, and no users have spoken up in favor of keeping them around. This leaves only support for the platforms that were already converted to DT, as well as the gumstix and spitz/akita/borzoi machines that work in qemu and can still be converted to DT later. Cc: Ales Bardorfer <ales@i-tech.si> Cc: Ales Snuparek <snuparek@atlas.cz> Cc: Alex Osborne <ato@meshy.org> Cc: Alex Osborne <bobofdoom@gmail.com> Cc: Dirk Opfer <dirk@opfer-online.de> Cc: Ian Molton <spyro@f2s.com> Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Michael Petchkovsky <mkpetch@internode.on.net> Cc: Nick Bane <nick@cecomputing.co.uk> Cc: Paul Parsons <lost.distance@yahoo.com> Cc: Philipp Zabel <philipp.zabel@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Sergey Lapin <slapin@ossfans.org> Cc: Tomas Cech <sleep_walker@suse.cz> Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-12ARM: sa1100: remove unused board filesArnd Bergmann3-9/+2
The Cerf, H3100, Badge4, Hackkit, LART, NanoEngine, PLEB, Shannon and Simpad machines were all marked as unused as there are no known users left. Remove all of these, along with references to them in defconfig files and drivers. Four machines remain now: Assabet, Collie (Zaurus SL5500), iPAQ H3600 and Jornada 720, each of which had one person still using them, with Collie also being supported in Qemu. Cc: Peter Chubb <peter.chubb@unsw.edu.au> Cc: Stefan Eletzhofer <stefan.eletzhofer@eletztrick.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Lee Jones <lee@kernel.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-12-25treewide: Convert del_timer*() to timer_shutdown*()Steven Rostedt (Google)5-7/+7
Due to several bugs caused by timers being re-armed after they are shutdown and just before they are freed, a new state of timers was added called "shutdown". After a timer is set to this state, then it can no longer be re-armed. The following script was run to find all the trivial locations where del_timer() or del_timer_sync() is called in the same function that the object holding the timer is freed. It also ignores any locations where the timer->function is modified between the del_timer*() and the free(), as that is not considered a "trivial" case. This was created by using a coccinelle script and the following commands: $ cat timer.cocci @@ expression ptr, slab; identifier timer, rfield; @@ ( - del_timer(&ptr->timer); + timer_shutdown(&ptr->timer); | - del_timer_sync(&ptr->timer); + timer_shutdown_sync(&ptr->timer); ) ... when strict when != ptr->timer ( kfree_rcu(ptr, rfield); | kmem_cache_free(slab, ptr); | kfree(ptr); ) $ spatch timer.cocci . > /tmp/t.patch $ patch -p1 < /tmp/t.patch Link: https://lore.kernel.org/lkml/20221123201306.823305113@linutronix.de/ Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Acked-by: Pavel Machek <pavel@ucw.cz> [ LED ] Acked-by: Kalle Valo <kvalo@kernel.org> [ wireless ] Acked-by: Paolo Abeni <pabeni@redhat.com> [ networking ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-11-24driver core: make struct class.dev_uevent() take a const *Greg Kroah-Hartman1-2/+2
The dev_uevent() in struct class should not be modifying the device that is passed into it, so mark it as a const * and propagate the function signature changes out into all relevant subsystems that use this callback. Cc: Jens Axboe <axboe@kernel.dk> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Russ Weight <russell.h.weight@intel.com> Cc: Jean Delvare <jdelvare@suse.com> Cc: Johan Hovold <johan@kernel.org> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Leon Romanovsky <leon@kernel.org> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Keith Busch <kbusch@kernel.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Sagi Grimberg <sagi@grimberg.me> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> Cc: Raed Salem <raeds@nvidia.com> Cc: Chen Zhongjin <chenzhongjin@huawei.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Avihai Horon <avihaih@nvidia.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Jakob Koschel <jakobkoschel@gmail.com> Cc: Antoine Tenart <atenart@kernel.org> Cc: Frederic Weisbecker <frederic@kernel.org> Cc: Wang Yufen <wangyufen@huawei.com> Cc: linux-block@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: linux-nvme@lists.infradead.org Cc: linux-pm@vger.kernel.org Cc: linux-rdma@vger.kernel.org Cc: linux-usb@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Acked-by: Sebastian Reichel <sre@kernel.org> Acked-by: Rafael J. Wysocki <rafael@kernel.org> Link: https://lore.kernel.org/r/20221123122523.1332370-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-27pcmcia: remove AT91RM9200 Compact Flash driverDominik Brodowski3-417/+0
As noted by Arnd Bergmann, "we used to have three drivers for the same hardware (pcmcia, pata and ide), and only the pcmcia driver remained in the tree after drivers/ide/ was removed and pata_at91 did not get converted to DT". "There is no dts file in tree that actually declares either of them, so chances are that nobody is actually using the CF slot on at91 any more."[1] On this rationale, remove the AT91RM9200 Compact Flash driver, which also assists in reaching "the goal of stopping exporting OF-specific APIs of gpiolib".[2] [1] https://lore.kernel.org/lkml/68c63077-848b-45f5-8aca-ed995391f2b6@www.fastmail.com/ [2] https://lore.kernel.org/lkml/Yy6d7TjqzUwGQnQa@penguin/ Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-09-24pcmcia: Removed unused variable control.Souptick Joarder (HPE)1-3/+1
Kernel test robot throws below warning -> drivers/pcmcia/omap_cf.c:127:7: warning: variable 'control' set but not used [-Wunused-but-set-variable] Removed unused variable control. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Souptick Joarder (HPE) <jrdr.linux@gmail.com> [linux@dominikbrodowski.net: retain omap_readw() call, as it might be required] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-09-22pcmcia: Add __init/__exit annotations to module init/exit funcsXiu Jianfeng1-2/+2
Add missing __init/__exit annotations to module init/exit funcs. Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-09-22pcmcia: at91_cf: make mc staticruanjinjie1-1/+1
The symbol is not used outside of the file, so mark it static. Fixes the following warning: ./drivers/pcmcia/at91_cf.c:49:15: warning: symbol 'mc' was not declared. Should it be static? Signed-off-by: ruanjinjie <ruanjinjie@huawei.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-09-22pcmcia: remove VR41XX PCMCIA driverThomas Bogendoerfer3-750/+0
Commit d3164e2f3b0a ("MIPS: Remove VR41xx support") removed support for MIPS VR41xx platform, so remove exclusive drivers for this platform, too. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-09-22pcmcia: sa1100: Make sa11x0_drv_pcmcia_legacy_remove() return voidUwe Kleine-König1-5/+5
sa11x0_drv_pcmcia_legacy_remove() returns zero unconditionally. Letting it return void instead makes it easier to see in the caller that there is no error to handle. This is a preparation for making platform remove callbacks return void. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-06-02Merge tag 'arm-multiplatform-5.19-2' of ↵Linus Torvalds17-1626/+28
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull more ARM multiplatform updates from Arnd Bergmann: "The second part of the multiplatform changes now converts the Intel/Marvell PXA platform along with the rest. The patches went through several rebases before the merge window as bugs were found, so they remained separate. This has to touch a lot of drivers, in particular the touchscreen, pcmcia, sound and clk bits, to detach the driver files from the platform and board specific header files" * tag 'arm-multiplatform-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (48 commits) ARM: pxa/mmp: remove traces of plat-pxa ARM: pxa: convert to multiplatform ARM: pxa/sa1100: move I/O space to PCI_IOBASE ARM: pxa: remove support for MTD_XIP ARM: pxa: move mach/*.h to mach-pxa/ ARM: PXA: fix multi-cpu build of xsc3 ARM: pxa: move plat-pxa to drivers/soc/ ARM: mmp: rename pxa_register_device ARM: mmp: remove tavorevb board support ARM: pxa: remove unused mach/bitfield.h ARM: pxa: move clk register definitions to driver ARM: pxa: move smemc register access from clk to platform cpufreq: pxa3: move clk register access to clk driver ARM: pxa: remove get_clk_frequency_khz() ARM: pxa: pcmcia: move smemc configuration back to arch ASoC: pxa: i2s: use normal MMIO accessors ASoC: pxa: ac97: use normal MMIO accessors ASoC: pxa: use pdev resource for FIFO regs Input: wm97xx - get rid of irq_enable method in wm97xx_mach_ops Input: wm97xx - switch to using threaded IRQ ...
2022-06-01Merge branch 'pcmcia-next' of ↵Linus Torvalds3-6/+7
git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux Pull pcmcia updates from Dominik Brodowski: "A few odd cleanups and fixes, including a Kconfig fix to add a required dependency on MIPS" * 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux: pcmcia: Use platform_get_irq() to get the interrupt pcmcia: db1xxx_ss: restrict to MIPS_DB1XXX boards drivers/pcmcia: Fix typo in comment
2022-05-28pcmcia: Use platform_get_irq() to get the interruptMinghao Chi1-4/+5
It is not recommened to use platform_get_resource(pdev, IORESOURCE_IRQ) for requesting IRQ's resources any more, as they can be not ready yet in case of DT-booting. platform_get_irq() instead is a recommended way for getting IRQ even if it was not retrieved earlier. It also makes code simpler because we're getting "int" value right away and no conversion from resource to int is required. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-05-07ARM: pxa/sa1100: move I/O space to PCI_IOBASEArnd Bergmann1-8/+9
PXA and StrongARM1100 traditionally map their I/O space 1:1 into virtual memory, using a per-bus io_offset that matches the base address of the ioremap mapping. In order for PXA to work in a multiplatform config, this needs to change so I/O space starts at PCI_IOBASE (0xfee00000). Since the pcmcia soc_common support is shared with StrongARM1100, both have to change at the same time. The affected machines are: - Anything with a PCMCIA slot now uses pci_remap_iospace, which is made available to PCMCIA configurations as well, rather than just PCI. The first PCMCIA slot now starts at port number 0x10000. - The Zeus and Viper platforms have PC/104-style ISA buses, which have a static mapping for both I/O and memory space at 0xf1000000, which can no longer work. It does not appear to have any in-tree users, so moving it to port number 0 makes them behave like a traditional PC. - SA1100 does support ISA slots in theory, but all machines that originally enabled this appear to have been removed from the tree ages ago, and the I/O space is never mapped anywhere. - The Nanoengine machine has support for PCI slots, but looks like this never included I/O space, the resources only define the location for memory and config space. With this, the definitions of __io() and IO_SPACE_LIMIT can be simplified, as the only remaining cases are the generic PCI_IOBASE and the custom inb()/outb() macros on RiscPC. S3C24xx still has a custom inb()/outb() in this here, but this is already removed in another branch. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-05-07ARM: pxa: pcmcia: move smemc configuration back to archArnd Bergmann1-30/+16
Rather than poking at the smemc registers directly from the pcmcia/pxa2xx_base driver, move those bits into machine file to have a cleaner interface. Cc: Dominik Brodowski <linux@dominikbrodowski.net> Link: https://lore.kernel.org/lkml/87d0egjzxk.fsf@belgarion.home/ Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-04-22ARM: omap1: use pci_remap_iospace() for omap_cfArnd Bergmann1-6/+4
The ISA I/O space handling in omap_cf is incompatible with PCI drivers in a multiplatform kernel, and requires a custom mach/io.h. Change the driver to use pci_remap_iospace() like PCI drivers do, so the generic ioport access can work across platforms. To actually use that code, we have to select CONFIG_PCI here. Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-04-21ARM: omap1: move CF chipselect setup to board fileArnd Bergmann2-32/+9
There is only one board that uses the omap_cf driver, so moving the chipselect configuration there does not lead to code duplication but avoids the use of mach/tc.h in drivers. Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-04-19ARM: pxa: move pcmcia board data into mach-pxaArnd Bergmann13-1582/+2
The drivers/pcmcia/pxa2xx_*.c are essentially part of the board files, but for historic reasons located in drivers/pcmcia. Move them into the same place as the actual board file to avoid lots of machine header inclusions. Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-04-19ARM: pxa: split up mach/hardware.hArnd Bergmann5-6/+1
The mach/hardware.h is included in lots of places, and it provides three different things on pxa: - the cpu_is_pxa* macros - an indirect inclusion of mach/addr-map.h - the __REG() and io_pv2() helper macros Split it up into separate <linux/soc/pxa/cpu.h> and mach/pxa-regs.h headers, then change all the files that use mach/hardware.h to include the exact set of those three headers that they actually need, allowing for further more targeted cleanup. linux/soc/pxa/cpu.h can remain permanently exported and is now in a global location along with similar headers. pxa-regs.h and addr-map.h are only used in a very small number of drivers now and can be moved to arch/arm/mach-pxa/ directly when those drivers are to pass the necessary data as resources. Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@kernel.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com> Cc: Pavel Machek <pavel@ucw.cz> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Guenter Roeck <linux@roeck-us.net> Acked-by: Mark Brown <broonie@kernel.org> Cc: linux-clk@vger.kernel.org Cc: linux-pm@vger.kernel.org Cc: linux-input@vger.kernel.org Cc: linux-leds@vger.kernel.org Cc: linux-mmc@vger.kernel.org Cc: linux-mtd@lists.infradead.org Cc: linux-rtc@vger.kernel.org Cc: linux-usb@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Cc: linux-watchdog@vger.kernel.org Cc: alsa-devel@alsa-project.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-28ARM: pxa: remove Intel Imote2 and Stargate 2 boardsJonathan Cameron3-139/+1
I have no reason to believe these boards have any more users and I haven't tested them for several years. Removing them may simplify other changes to the various PXA boards people still care about. The recent conversion of pxa2xx_spi to GPIO descriptors for example had to update this board despite no one caring or testing. Great boards that got me started in kernel development, RIP! Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Daniel Mack <daniel@zonque.org> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: soc@kernel.org Link: https://lore.kernel.org/r/20220227134431.908998-1-jic23@kernel.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-02-05pcmcia: db1xxx_ss: restrict to MIPS_DB1XXX boardsRandy Dunlap1-1/+1
When the MIPS_ALCHEMY board selection is MIPS_XXS1500 instead of MIPS_DB1XXX, the PCMCIA driver 'db1xxx_ss' has build errors due to missing DB1XXX symbols. The PCMCIA driver should be restricted to MIPS_DB1XXX instead of MIPS_ALCHEMY to fix this build error. ERROR: modpost: "bcsr_read" [drivers/pcmcia/db1xxx_ss.ko] undefined! ERROR: modpost: "bcsr_mod" [drivers/pcmcia/db1xxx_ss.ko] undefined! Fixes: 42a4f17dc356 ("MIPS: Alchemy: remove SOC_AU1X00 in favor of MIPS_ALCHEMY") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Kees Cook <keescook@chromium.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: linux-mips@vger.kernel.org Acked-by: Manuel Lauss <manuel.lauss@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-02-05drivers/pcmcia: Fix typo in commenttangmeng1-1/+1
Replace unavaibale with unavailable. Signed-off-by: tangmeng <tangmeng@uniontech.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-16Merge tag 'pci-v5.17-changes' of ↵Linus Torvalds1-1/+5
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull pci updates from Bjorn Helgaas: "Enumeration: - Use pci_find_vsec_capability() instead of open-coding it (Andy Shevchenko) - Convert pci_dev_present() stub from macro to static inline to avoid 'unused variable' errors (Hans de Goede) - Convert sysfs slot attributes from default_attrs to default_groups (Greg Kroah-Hartman) - Use DWORD accesses for LTR, L1 SS to avoid BayHub OZ711LV2 erratum (Rajat Jain) - Remove unnecessary initialization of static variables (Longji Guo) Resource management: - Always write Intel I210 ROM BAR on update to work around device defect (Bjorn Helgaas) PCIe native device hotplug: - Fix pciehp lockdep errors on Thunderbolt undock (Hans de Goede) - Fix infinite loop in pciehp IRQ handler on power fault (Lukas Wunner) Power management: - Convert amd64-agp, sis-agp, via-agp from legacy PCI power management to generic power management (Vaibhav Gupta) IOMMU: - Add function 1 DMA alias quirk for Marvell 88SE9125 SATA controller so it can work with an IOMMU (Yifeng Li) Error handling: - Add PCI_ERROR_RESPONSE and related definitions for signaling and checking for transaction errors on PCI (Naveen Naidu) - Fabricate PCI_ERROR_RESPONSE data (~0) in config read wrappers, instead of in host controller drivers, when transactions fail on PCI (Naveen Naidu) - Use PCI_POSSIBLE_ERROR() to check for possible failure of config reads (Naveen Naidu) Peer-to-peer DMA: - Add Logan Gunthorpe as P2PDMA maintainer (Bjorn Helgaas) ASPM: - Calculate link L0s and L1 exit latencies when needed instead of caching them (Saheed O. Bolarinwa) - Calculate device L0s and L1 acceptable exit latencies when needed instead of caching them (Saheed O. Bolarinwa) - Remove struct aspm_latency since it's no longer needed (Saheed O. Bolarinwa) APM X-Gene PCIe controller driver: - Fix IB window setup, which was broken by the fact that IB resources are now sorted in address order instead of DT dma-ranges order (Rob Herring) Apple PCIe controller driver: - Enable clock gating to save power (Hector Martin) - Fix REFCLK1 enable/poll logic (Hector Martin) Broadcom STB PCIe controller driver: - Declare bitmap correctly for use by bitmap interfaces (Christophe JAILLET) - Clean up computation of legacy and non-legacy MSI bitmasks (Florian Fainelli) - Update suspend/resume/remove error handling to warn about errors and not fail the operation (Jim Quinlan) - Correct the "pcie" and "msi" interrupt descriptions in DT binding (Jim Quinlan) - Add DT bindings for endpoint voltage regulators (Jim Quinlan) - Split brcm_pcie_setup() into two functions (Jim Quinlan) - Add mechanism for turning on voltage regulators for connected devices (Jim Quinlan) - Turn voltage regulators for connected devices on/off when bus is added or removed (Jim Quinlan) - When suspending, don't turn off voltage regulators for wakeup devices (Jim Quinlan) Freescale i.MX6 PCIe controller driver: - Add i.MX8MM support (Richard Zhu) Freescale Layerscape PCIe controller driver: - Use DWC common ops instead of layerscape-specific link-up functions (Hou Zhiqiang) Intel VMD host bridge driver: - Honor platform ACPI _OSC feature negotiation for Root Ports below VMD (Kai-Heng Feng) - Add support for Raptor Lake SKUs (Karthik L Gopalakrishnan) - Reset everything below VMD before enumerating to work around failure to enumerate NVMe devices when guest OS reboots (Nirmal Patel) Bridge emulation (used by Marvell Aardvark and MVEBU): - Make emulated ROM BAR read-only by default (Pali Rohár) - Make some emulated legacy PCI bits read-only for PCIe devices (Pali Rohár) - Update reserved bits in emulated PCIe Capability (Pali Rohár) - Allow drivers to emulate different PCIe Capability versions (Pali Rohár) - Set emulated Capabilities List bit for all PCIe devices, since they must have at least a PCIe Capability (Pali Rohár) Marvell Aardvark PCIe controller driver: - Add bridge emulation definitions for PCIe DEVCAP2, DEVCTL2, DEVSTA2, LNKCAP2, LNKCTL2, LNKSTA2, SLTCAP2, SLTCTL2, SLTSTA2 (Pali Rohár) - Add aardvark support for DEVCAP2, DEVCTL2, LNKCAP2 and LNKCTL2 registers (Pali Rohár) - Clear all MSIs at setup to avoid spurious interrupts (Pali Rohár) - Disable bus mastering when unbinding host controller driver (Pali Rohár) - Mask all interrupts when unbinding host controller driver (Pali Rohár) - Fix memory leak in host controller unbind (Pali Rohár) - Assert PERST# when unbinding host controller driver (Pali Rohár) - Disable link training when unbinding host controller driver (Pali Rohár) - Disable common PHY when unbinding host controller driver (Pali Rohár) - Fix resource type checking to check only IORESOURCE_MEM, not IORESOURCE_MEM_64, which is a flavor of IORESOURCE_MEM (Pali Rohár) Marvell MVEBU PCIe controller driver: - Implement pci_remap_iospace() for ARM so mvebu can use devm_pci_remap_iospace() instead of the previous ARM-specific pci_ioremap_io() interface (Pali Rohár) - Use the standard pci_host_probe() instead of the device-specific mvebu_pci_host_probe() (Pali Rohár) - Replace all uses of ARM-specific pci_ioremap_io() with the ARM implementation of the standard pci_remap_iospace() interface and remove pci_ioremap_io() (Pali Rohár) - Skip initializing invalid Root Ports (Pali Rohár) - Check for errors from pci_bridge_emul_init() (Pali Rohár) - Ignore any bridges at non-zero function numbers (Pali Rohár) - Return ~0 data for invalid config read size (Pali Rohár) - Disallow mapping interrupts on emulated bridges (Pali Rohár) - Clear Root Port Memory & I/O Space Enable and Bus Master Enable at initialization (Pali Rohár) - Make type bits in Root Port I/O Base register read-only (Pali Rohár) - Disable Root Port windows when base/limit set to invalid values (Pali Rohár) - Set controller to Root Complex mode (Pali Rohár) - Set Root Port Class Code to PCI Bridge (Pali Rohár) - Update emulated Root Port secondary bus numbers to better reflect the actual topology (Pali Rohár) - Add PCI_BRIDGE_CTL_BUS_RESET support to emulated Root Ports so pci_reset_secondary_bus() can reset connected devices (Pali Rohár) - Add PCI_EXP_DEVCTL Error Reporting Enable support to emulated Root Ports (Pali Rohár) - Add PCI_EXP_RTSTA PME Status bit support to emulated Root Ports (Pali Rohár) - Add DEVCAP2, DEVCTL2 and LNKCTL2 support to emulated Root Ports on Armada XP and newer devices (Pali Rohár) - Export mvebu-mbus.c symbols to allow pci-mvebu.c to be a module (Pali Rohár) - Add support for compiling as a module (Pali Rohár) MediaTek PCIe controller driver: - Assert PERST# for 100ms to allow power and clock to stabilize (qizhong cheng) MediaTek PCIe Gen3 controller driver: - Disable Mediatek DVFSRC voltage request since lack of DVFSRC to respond to the request causes failure to exit L1 PM Substate (Jianjun Wang) MediaTek MT7621 PCIe controller driver: - Declare mt7621_pci_ops static (Sergio Paracuellos) - Give pcibios_root_bridge_prepare() access to host bridge windows (Sergio Paracuellos) - Move MIPS I/O coherency unit setup from driver to pcibios_root_bridge_prepare() (Sergio Paracuellos) - Add missing MODULE_LICENSE() (Sergio Paracuellos) - Allow COMPILE_TEST for all arches (Sergio Paracuellos) Microsoft Hyper-V host bridge driver: - Add hv-internal interfaces to encapsulate arch IRQ dependencies (Sunil Muthuswamy) - Add arm64 Hyper-V vPCI support (Sunil Muthuswamy) Qualcomm PCIe controller driver: - Undo PM setup in qcom_pcie_probe() error handling path (Christophe JAILLET) - Use __be16 type to store return value from cpu_to_be16() (Manivannan Sadhasivam) - Constify static dw_pcie_ep_ops (Rikard Falkeborn) Renesas R-Car PCIe controller driver: - Fix aarch32 abort handler so it doesn't check the wrong bus clock before accessing the host controller (Marek Vasut) TI Keystone PCIe controller driver: - Add register offset for ti,syscon-pcie-id and ti,syscon-pcie-mode DT properties (Kishon Vijay Abraham I) MicroSemi Switchtec management driver: - Add Gen4 automotive device IDs (Kelvin Cao) - Declare state_names[] as static so it's not allocated and initialized for every call (Kelvin Cao) Host controller driver cleanups: - Use of_device_get_match_data(), not of_match_device(), when we only need the device data in altera, artpec6, cadence, designware-plat, dra7xx, keystone, kirin (Fan Fei) - Drop pointless of_device_get_match_data() cast in j721e (Bjorn Helgaas) - Drop redundant struct device * from j721e since struct cdns_pcie already has one (Bjorn Helgaas) - Rename driver structs to *_pcie in intel-gw, iproc, ls-gen4, mediatek-gen3, microchip, mt7621, rcar-gen2, tegra194, uniphier, xgene, xilinx, xilinx-cpm for consistency across drivers (Fan Fei) - Fix invalid address space conversions in hisi, spear13xx (Bjorn Helgaas) Miscellaneous: - Sort Intel Device IDs by value (Andy Shevchenko) - Change Capability offsets to hex to match spec (Baruch Siach) - Correct misspellings (Krzysztof Wilczyński) - Terminate statement with semicolon in pci_endpoint_test.c (Ming Wang)" * tag 'pci-v5.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (151 commits) PCI: mt7621: Allow COMPILE_TEST for all arches PCI: mt7621: Add missing MODULE_LICENSE() PCI: mt7621: Move MIPS setup to pcibios_root_bridge_prepare() PCI: Let pcibios_root_bridge_prepare() access bridge->windows PCI: mt7621: Declare mt7621_pci_ops static PCI: brcmstb: Do not turn off WOL regulators on suspend PCI: brcmstb: Add control of subdevice voltage regulators PCI: brcmstb: Add mechanism to turn on subdev regulators PCI: brcmstb: Split brcm_pcie_setup() into two funcs dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators dt-bindings: PCI: Correct brcmstb interrupts, interrupt-map. PCI: brcmstb: Fix function return value handling PCI: brcmstb: Do not use __GENMASK PCI: brcmstb: Declare 'used' as bitmap, not unsigned long PCI: hv: Add arm64 Hyper-V vPCI support PCI: hv: Make the code arch neutral by adding arch specific interfaces PCI: pciehp: Use down_read/write_nested(reset_lock) to fix lockdep errors x86/PCI: Remove initialization of static variables to false PCI: Use DWORD accesses for LTR, L1 SS to avoid erratum misc: pci_endpoint_test: Terminate statement with semicolon ...
2022-01-11drivers/pcmcia: Fix ifdef covering yenta_pm_opsPaul E. McKenney1-1/+1
Currently, yenta_dev_suspend_noirq(), yenta_dev_resume_noirq(), and yenta_pm_ops are covered by "#ifdef CONFIG_PM", which results in compiler warnings in kernels built with CONFIG_PM_SLEEP=n and CONFIG_PM=y: drivers/pcmcia/yenta_socket.c:1322:12: warning: ‘yenta_dev_resume_noirq’ defined but not used [-Wunused-function] 1322 | static int yenta_dev_resume_noirq(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/pcmcia/yenta_socket.c:1303:12: warning: ‘yenta_dev_suspend_noirq’ defined but not used [-Wunused-function] 1303 | static int yenta_dev_suspend_noirq(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~ This affects kernels built without suspend and hibernation. Avoid these warnings by using "#ifdef CONFIG_PM_SLEEP". Fixes: 3daaf2c7aae8 ("pcmcia: Make use of the helper macro SET_NOIRQ_SYSTEM_SLEEP_PM_OPS()") Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-11Merge branch 'pcmcia-next' of ↵Linus Torvalds11-319/+42
git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux Pull pcmcia updates from Dominik Brodowski: "A number of odd cleanups and fixes, including one for a small race in the handling of the pccardd kernel thread" * 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux: pcmcia: fix setting of kthread task states MAINTAINERS: update PCMCIA tree pcmcia: use sysfs_emit{,_at} for sysfs output pcmcia: make pcmcia_release_io() void, as no-one is interested in return value pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in nonstatic_find_mem_region() pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in __nonstatic_find_io_region() pcmcia: comment out unused exca_readw() function pcmcia: Make use of the helper macro SET_NOIRQ_SYSTEM_SLEEP_PM_OPS() pcmcia: clean up dead drivers for CompuLab CM-X255/CM-X270 boards
2022-01-09pcmcia: fix setting of kthread task statesDominik Brodowski1-5/+3
We need to set TASK_INTERRUPTIBLE before calling kthread_should_stop(). Otherwise, kthread_stop() might see that the pccardd thread is still in TASK_RUNNING state and fail to wake it up. Additionally, we only need to set the state back to TASK_RUNNING if kthread_should_stop() breaks the loop. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reported-by: Al Viro <viro@ZenIV.linux.org.uk> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Fixes: d3046ba809ce ("pcmcia: fix a boot time warning in pcmcia cs code") Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-06pcmcia: use sysfs_emit{,_at} for sysfs outputDominik Brodowski4-30/+28
Convert the PCMCIA core and yenta_socket.c to use sysfs_emit or sysfs_emit_at when providing output in sysfs. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-02pcmcia: make pcmcia_release_io() void, as no-one is interested in return valueDominik Brodowski1-4/+1
As the only user of pcmcia_release_io() is not interested in its return value, and we cannot do anything on failure, convert the function to return void. Reported-by: Jason Wang <wangborong@cdjrlc.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-02pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in ↵Zhou Qingyang1-0/+3
nonstatic_find_mem_region() In nonstatic_find_mem_region(), pcmcia_make_resource() is assigned to res and used in pci_bus_alloc_resource(). There a dereference of res in pci_bus_alloc_resource(), which could lead to a NULL pointer dereference on failure of pcmcia_make_resource(). Fix this bug by adding a check of res. This bug was found by a static analyzer. The analysis employs differential checking to identify inconsistent security operations (e.g., checks or kfrees) between two code paths and confirms that the inconsistent operations are not recovered in the current function or the callers, so they constitute bugs. Note that, as a bug found by static analysis, it can be a false positive or hard to trigger. Multiple researchers have cross-reviewed the bug. Builds with CONFIG_PCCARD_NONSTATIC=y show no new warnings, and our static analyzer no longer warns about this code. Fixes: 49b1153adfe1 ("pcmcia: move all pcmcia_resource_ops providers into one module") Signed-off-by: Zhou Qingyang <zhou1615@umn.edu> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-02pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in ↵Zhou Qingyang1-0/+3
__nonstatic_find_io_region() In __nonstatic_find_io_region(), pcmcia_make_resource() is assigned to res and used in pci_bus_alloc_resource(). There is a dereference of res in pci_bus_alloc_resource(), which could lead to a NULL pointer dereference on failure of pcmcia_make_resource(). Fix this bug by adding a check of res. This bug was found by a static analyzer. The analysis employs differential checking to identify inconsistent security operations (e.g., checks or kfrees) between two code paths and confirms that the inconsistent operations are not recovered in the current function or the callers, so they constitute bugs. Note that, as a bug found by static analysis, it can be a false positive or hard to trigger. Multiple researchers have cross-reviewed the bug. Builds with CONFIG_PCCARD_NONSTATIC=y show no new warnings, and our static analyzer no longer warns about this code. Fixes: 49b1153adfe1 ("pcmcia: move all pcmcia_resource_ops providers into one module") Signed-off-by: Zhou Qingyang <zhou1615@umn.edu> [linux@dominikbrodowski.net: Fix typo in commit message] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-02pcmcia: comment out unused exca_readw() functionDominik Brodowski1-0/+2
The exca_readw() function is currently unused; therefore, comment it out. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-02pcmcia: Make use of the helper macro SET_NOIRQ_SYSTEM_SLEEP_PM_OPS()Cai Huoqing1-6/+1
Use the helper macro SET_NOIRQ_SYSTEM_SLEEP_PM_OPS() instead of the verbose operators ".suspend_noirq /.resume_noirq/.freeze_noirq/ .thaw_noirq/.poweroff_noirq/.restore_noirq", because the SET_NOIRQ_SYSTEM_SLEEP_PM_OPS() is a nice helper macro that could be brought in to make code a little clearer, a little more concise. Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2022-01-02pcmcia: clean up dead drivers for CompuLab CM-X255/CM-X270 boardsLukas Bulwahn5-274/+1
Commit 9d3239147d6d ("ARM: pxa: remove Compulab pxa2xx boards") removes the config MACH_ARMCORE in ./arch/arm/mach-pxa/Kconfig. Hence, ./scripts/checkkconfigsymbols.py warns on non-existing configs: MACH_ARMCORE Referencing files: drivers/pcmcia/Kconfig, drivers/pcmcia/Makefile Clean up the dead remains of pcmcia drivers for Compulab pxa2xx boards. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2021-12-07arm: ioremap: Replace pci_ioremap_io() usage by pci_remap_iospace()Pali Rohár1-1/+5
Replace all usage of ARM specific pci_ioremap_io() function by standard PCI core API function pci_remap_iospace() in all drivers and ARM mach code. Link: https://lore.kernel.org/r/20211124154116.916-5-pali@kernel.org Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2021-11-22pcmcia: hide the MAC address helpers if !NETJakub Kicinski1-1/+2
pcmcia_get_mac_from_cis is only called from networking and recent changes made it call dev_addr_mod() which is itself only defined if NET. Reported-by: kernel test robot <lkp@intel.com> Fixes: adeef3e32146 ("net: constify netdev->dev_addr") Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-02Merge tag 'net-next-for-5.16' of ↵Linus Torvalds1-3/+2
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Remove socket skb caches - Add a SO_RESERVE_MEM socket op to forward allocate buffer space and avoid memory accounting overhead on each message sent - Introduce managed neighbor entries - added by control plane and resolved by the kernel for use in acceleration paths (BPF / XDP right now, HW offload users will benefit as well) - Make neighbor eviction on link down controllable by userspace to work around WiFi networks with bad roaming implementations - vrf: Rework interaction with netfilter/conntrack - fq_codel: implement L4S style ce_threshold_ect1 marking - sch: Eliminate unnecessary RCU waits in mini_qdisc_pair_swap() BPF: - Add support for new btf kind BTF_KIND_TAG, arbitrary type tagging as implemented in LLVM14 - Introduce bpf_get_branch_snapshot() to capture Last Branch Records - Implement variadic trace_printk helper - Add a new Bloomfilter map type - Track <8-byte scalar spill and refill - Access hw timestamp through BPF's __sk_buff - Disallow unprivileged BPF by default - Document BPF licensing Netfilter: - Introduce egress hook for looking at raw outgoing packets - Allow matching on and modifying inner headers / payload data - Add NFT_META_IFTYPE to match on the interface type either from ingress or egress Protocols: - Multi-Path TCP: - increase default max additional subflows to 2 - rework forward memory allocation - add getsockopts: MPTCP_INFO, MPTCP_TCPINFO, MPTCP_SUBFLOW_ADDRS - MCTP flow support allowing lower layer drivers to configure msg muxing as needed - Automatic Multicast Tunneling (AMT) driver based on RFC7450 - HSR support the redbox supervision frames (IEC-62439-3:2018) - Support for the ip6ip6 encapsulation of IOAM - Netlink interface for CAN-FD's Transmitter Delay Compensation - Support SMC-Rv2 eliminating the current same-subnet restriction, by exploiting the UDP encapsulation feature of RoCE adapters - TLS: add SM4 GCM/CCM crypto support - Bluetooth: initial support for link quality and audio/codec offload Driver APIs: - Add a batched interface for RX buffer allocation in AF_XDP buffer pool - ethtool: Add ability to control transceiver modules' power mode - phy: Introduce supported interfaces bitmap to express MAC capabilities and simplify PHY code - Drop rtnl_lock from DSA .port_fdb_{add,del} callbacks New drivers: - WiFi driver for Realtek 8852AE 802.11ax devices (rtw89) - Ethernet driver for ASIX AX88796C SPI device (x88796c) Drivers: - Broadcom PHYs - support 72165, 7712 16nm PHYs - support IDDQ-SR for additional power savings - PHY support for QCA8081, QCA9561 PHYs - NXP DPAA2: support for IRQ coalescing - NXP Ethernet (enetc): support for software TCP segmentation - Renesas Ethernet (ravb) - support DMAC and EMAC blocks of Gigabit-capable IP found on RZ/G2L SoC - Intel 100G Ethernet - support for eswitch offload of TC/OvS flow API, including offload of GRE, VxLAN, Geneve tunneling - support application device queues - ability to assign Rx and Tx queues to application threads - PTP and PPS (pulse-per-second) extensions - Broadcom Ethernet (bnxt) - devlink health reporting and device reload extensions - Mellanox Ethernet (mlx5) - offload macvlan interfaces - support HW offload of TC rules involving OVS internal ports - support HW-GRO and header/data split - support application device queues - Marvell OcteonTx2: - add XDP support for PF - add PTP support for VF - Qualcomm Ethernet switch (qca8k): support for QCA8328 - Realtek Ethernet DSA switch (rtl8366rb) - support bridge offload - support STP, fast aging, disabling address learning - support for Realtek RTL8365MB-VC, a 4+1 port 10M/100M/1GE switch - Mellanox Ethernet/IB switch (mlxsw) - multi-level qdisc hierarchy offload (e.g. RED, prio and shaping) - offload root TBF qdisc as port shaper - support multiple routing interface MAC address prefixes - support for IP-in-IP with IPv6 underlay - MediaTek WiFi (mt76) - mt7921 - ASPM, 6GHz, SDIO and testmode support - mt7915 - LED and TWT support - Qualcomm WiFi (ath11k) - include channel rx and tx time in survey dump statistics - support for 80P80 and 160 MHz bandwidths - support channel 2 in 6 GHz band - spectral scan support for QCN9074 - support for rx decapsulation offload (data frames in 802.3 format) - Qualcomm phone SoC WiFi (wcn36xx) - enable Idle Mode Power Save (IMPS) to reduce power consumption during idle - Bluetooth driver support for MediaTek MT7922 and MT7921 - Enable support for AOSP Bluetooth extension in Qualcomm WCN399x and Realtek 8822C/8852A - Microsoft vNIC driver (mana) - support hibernation and kexec - Google vNIC driver (gve) - support for jumbo frames - implement Rx page reuse Refactor: - Make all writes to netdev->dev_addr go thru helpers, so that we can add this address to the address rbtree and handle the updates - Various TCP cleanups and optimizations including improvements to CPU cache use - Simplify the gnet_stats, Qdisc stats' handling and remove qdisc->running sequence counter - Driver changes and API updates to address devlink locking deficiencies" * tag 'net-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2122 commits) Revert "net: avoid double accounting for pure zerocopy skbs" selftests: net: add arp_ndisc_evict_nocarrier net: ndisc: introduce ndisc_evict_nocarrier sysctl parameter net: arp: introduce arp_evict_nocarrier sysctl parameter libbpf: Deprecate AF_XDP support kbuild: Unify options for BTF generation for vmlinux and modules selftests/bpf: Add a testcase for 64-bit bounds propagation issue. bpf: Fix propagation of signed bounds from 64-bit min/max into 32-bit. bpf: Fix propagation of bounds from 64-bit min/max into 32-bit and var_off. net: vmxnet3: remove multiple false checks in vmxnet3_ethtool.c net: avoid double accounting for pure zerocopy skbs tcp: rename sk_wmem_free_skb netdevsim: fix uninit value in nsim_drv_configure_vfs() selftests/bpf: Fix also no-alu32 strobemeta selftest bpf: Add missing map_delete_elem method to bloom filter map selftests/bpf: Add bloom map success test for userspace calls bpf: Add alignment padding for "map_extra" + consolidate holes bpf: Bloom filter map naming fixups selftests/bpf: Add test cases for struct_ops prog bpf: Add dummy BPF STRUCT_OPS for test purpose ...
2021-10-14ethernet: replace netdev->dev_addr assignment loopsJakub Kicinski1-3/+2
A handful of drivers contains loops assigning the mac addr byte by byte. Convert those to eth_hw_addr_set(). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-13pcmcia: db1xxx_ss: Fix fall-through warning for ClangGustavo A. R. Silva1-0/+1
Fix the following fallthrough warning: drivers/pcmcia/db1xxx_ss.c:359:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] case 3: ^ drivers/pcmcia/db1xxx_ss.c:359:2: note: insert 'break;' to avoid fall-through case 3: ^ break; This helps with the ongoing efforts to globally enable -Wimplicit-fallthrough for Clang. Link: https://github.com/KSPP/linux/issues/115 Link: https://lore.kernel.org/linux-mm/202109030839.t2llsvmc-lkp@intel.com/ Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2021-08-09Merge 5.14-rc5 into driver-core-nextGreg Kroah-Hartman1-0/+1
We need the driver core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-23pcmcia: i82092: fix a null pointer dereference bugZheyu Ma1-0/+1
During the driver loading process, the 'dev' field was not assigned, but the 'dev' field was referenced in the subsequent 'i82092aa_set_mem_map' function. Signed-off-by: Zheyu Ma <zheyuma97@gmail.com> CC: <stable@vger.kernel.org> [linux@dominikbrodowski.net: shorten commit message, add Cc to stable] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2021-07-21bus: Make remove callback return voidUwe Kleine-König1-3/+1
The driver core ignores the return value of this callback because there is only little it can do when a device disappears. This is the final bit of a long lasting cleanup quest where several buses were converted to also return void from their remove callback. Additionally some resource leaks were fixed that were caused by drivers returning an error code in the expectation that the driver won't go away. With struct bus_type::remove returning void it's prevented that newly implemented buses return an ignored error code and so don't anticipate wrong expectations for driver authors. Reviewed-by: Tom Rix <trix@redhat.com> (For fpga) Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Reviewed-by: Cornelia Huck <cohuck@redhat.com> (For drivers/s390 and drivers/vfio) Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> (For ARM, Amba and related parts) Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Chen-Yu Tsai <wens@csie.org> (for sunxi-rsb) Acked-by: Pali Rohár <pali@kernel.org> Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org> (for media) Acked-by: Hans de Goede <hdegoede@redhat.com> (For drivers/platform) Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Juergen Gross <jgross@suse.com> (For xen) Acked-by: Lee Jones <lee.jones@linaro.org> (For mfd) Acked-by: Johannes Thumshirn <jth@kernel.org> (For mcb) Acked-by: Johan Hovold <johan@kernel.org> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> (For slimbus) Acked-by: Kirti Wankhede <kwankhede@nvidia.com> (For vfio) Acked-by: Maximilian Luz <luzmaximilian@gmail.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> (For ulpi and typec) Acked-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com> (For ipack) Acked-by: Geoff Levand <geoff@infradead.org> (For ps3) Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com> (For thunderbolt) Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> (For intel_th) Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> (For pcmcia) Acked-by: Rafael J. Wysocki <rafael@kernel.org> (For ACPI) Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> (rpmsg and apr) Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> (For intel-ish-hid) Acked-by: Dan Williams <dan.j.williams@intel.com> (For CXL, DAX, and NVDIMM) Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com> (For isa) Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (For firewire) Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> (For hid) Acked-by: Thorsten Scherer <t.scherer@eckelmann.de> (For siox) Acked-by: Sven Van Asbroeck <TheSven73@gmail.com> (For anybuss) Acked-by: Ulf Hansson <ulf.hansson@linaro.org> (For MMC) Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C Acked-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Finn Thain <fthain@linux-m68k.org> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20210713193522.1770306-6-u.kleine-koenig@pengutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-15pcmcia: rsrc_nonstatic: Fix call-back function as reference formattingLee Jones1-9/+9
Fixes the following W=1 kernel build warning(s): drivers/pcmcia/rsrc_nonstatic.c:349: warning: Function parameter or member 'value' not described in 'do_validate_mem' drivers/pcmcia/rsrc_nonstatic.c:349: warning: Excess function parameter 'validate' description in 'do_validate_mem' drivers/pcmcia/rsrc_nonstatic.c:407: warning: Function parameter or member 'value' not described in 'do_mem_probe' drivers/pcmcia/rsrc_nonstatic.c:407: warning: Excess function parameter 'validate' description in 'do_mem_probe' drivers/pcmcia/rsrc_nonstatic.c:407: warning: Excess function parameter 'fallback' description in 'do_mem_probe' Signed-off-by: Lee Jones <lee.jones@linaro.org> [linux@dominikbrodowski.net: removed list of CCs] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2021-03-15pcmcia: pcmcia_resource: Fix some kernel-doc formatting/disparities and ↵Lee Jones1-5/+6
demote others Fixes the following W=1 kernel build warning(s): drivers/pcmcia/pcmcia_resource.c:160: warning: Function parameter or member 'p_dev' not described in 'pcmcia_access_config' drivers/pcmcia/pcmcia_resource.c:160: warning: Function parameter or member 'where' not described in 'pcmcia_access_config' drivers/pcmcia/pcmcia_resource.c:160: warning: Function parameter or member 'val' not described in 'pcmcia_access_config' drivers/pcmcia/pcmcia_resource.c:160: warning: Function parameter or member 'accessf' not described in 'pcmcia_access_config' drivers/pcmcia/pcmcia_resource.c:194: warning: Function parameter or member 'p_dev' not described in 'pcmcia_read_config_byte' drivers/pcmcia/pcmcia_resource.c:194: warning: Function parameter or member 'where' not described in 'pcmcia_read_config_byte' drivers/pcmcia/pcmcia_resource.c:194: warning: Function parameter or member 'val' not described in 'pcmcia_read_config_byte' drivers/pcmcia/pcmcia_resource.c:207: warning: Function parameter or member 'p_dev' not described in 'pcmcia_write_config_byte' drivers/pcmcia/pcmcia_resource.c:207: warning: Function parameter or member 'where' not described in 'pcmcia_write_config_byte' drivers/pcmcia/pcmcia_resource.c:207: warning: Function parameter or member 'val' not described in 'pcmcia_write_config_byte' drivers/pcmcia/pcmcia_resource.c:728: warning: Function parameter or member 'p_dev' not described in 'pcmcia_setup_isa_irq' drivers/pcmcia/pcmcia_resource.c:728: warning: Function parameter or member 'type' not described in 'pcmcia_setup_isa_irq' drivers/pcmcia/pcmcia_resource.c:793: warning: Function parameter or member 'p_dev' not described in 'pcmcia_setup_irq' Signed-off-by: Lee Jones <lee.jones@linaro.org> [linux@dominikbrodowski.net: removed list of CCs] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2021-03-15pcmcia: ds: Fix function name disparity in headerLee Jones1-1/+1
Fixes the following W=1 kernel build warning(s): drivers/pcmcia/ds.c:96: warning: expecting prototype for pcmcia_store_new_id(). Prototype was for new_id_store() instead Signed-off-by: Lee Jones <lee.jones@linaro.org> [linux@dominikbrodowski.net: removed list of CCs] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2021-03-15pcmcia: pcmcia_cis: Demote non-conforming kernel-doc headers to standard ↵Lee Jones1-5/+5
kernel-doc Fixes the following W=1 kernel build warning(s): drivers/pcmcia/pcmcia_cis.c:129: warning: Function parameter or member 'flags' not described in 'pcmcia_io_cfg_data_width' drivers/pcmcia/pcmcia_cis.c:154: warning: Function parameter or member 'tuple' not described in 'pcmcia_do_loop_config' drivers/pcmcia/pcmcia_cis.c:154: warning: Function parameter or member 'parse' not described in 'pcmcia_do_loop_config' drivers/pcmcia/pcmcia_cis.c:154: warning: Function parameter or member 'priv' not described in 'pcmcia_do_loop_config' drivers/pcmcia/pcmcia_cis.c:300: warning: Function parameter or member 'tuple' not described in 'pcmcia_do_loop_tuple' drivers/pcmcia/pcmcia_cis.c:300: warning: Function parameter or member 'parse' not described in 'pcmcia_do_loop_tuple' drivers/pcmcia/pcmcia_cis.c:300: warning: Function parameter or member 'priv' not described in 'pcmcia_do_loop_tuple' drivers/pcmcia/pcmcia_cis.c:351: warning: Function parameter or member 'p_dev' not described in 'pcmcia_do_get_tuple' drivers/pcmcia/pcmcia_cis.c:351: warning: Function parameter or member 'tuple' not described in 'pcmcia_do_get_tuple' drivers/pcmcia/pcmcia_cis.c:351: warning: Function parameter or member 'priv' not described in 'pcmcia_do_get_tuple' drivers/pcmcia/pcmcia_cis.c:399: warning: Function parameter or member 'p_dev' not described in 'pcmcia_do_get_mac' drivers/pcmcia/pcmcia_cis.c:399: warning: Function parameter or member 'tuple' not described in 'pcmcia_do_get_mac' drivers/pcmcia/pcmcia_cis.c:399: warning: Function parameter or member 'priv' not described in 'pcmcia_do_get_mac' Signed-off-by: Lee Jones <lee.jones@linaro.org> [linux@dominikbrodowski.net: removed list of CCs] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2021-03-15pcmcia: cistpl: Demote non-conformant kernel-doc headers to standard commentsLee Jones1-6/+6
Fixes the following W=1 kernel build warning(s): drivers/pcmcia/cistpl.c:88: warning: Function parameter or member 's' not described in 'set_cis_map' drivers/pcmcia/cistpl.c:88: warning: Function parameter or member 'card_offset' not described in 'set_cis_map' drivers/pcmcia/cistpl.c:88: warning: Function parameter or member 'flags' not described in 'set_cis_map' drivers/pcmcia/cistpl.c:136: warning: Function parameter or member 's' not described in 'pcmcia_read_cis_mem' drivers/pcmcia/cistpl.c:136: warning: Function parameter or member 'attr' not described in 'pcmcia_read_cis_mem' drivers/pcmcia/cistpl.c:136: warning: Function parameter or member 'addr' not described in 'pcmcia_read_cis_mem' drivers/pcmcia/cistpl.c:136: warning: Function parameter or member 'len' not described in 'pcmcia_read_cis_mem' drivers/pcmcia/cistpl.c:136: warning: Function parameter or member 'ptr' not described in 'pcmcia_read_cis_mem' drivers/pcmcia/cistpl.c:217: warning: Function parameter or member 's' not described in 'pcmcia_write_cis_mem' drivers/pcmcia/cistpl.c:217: warning: Function parameter or member 'attr' not described in 'pcmcia_write_cis_mem' drivers/pcmcia/cistpl.c:217: warning: Function parameter or member 'addr' not described in 'pcmcia_write_cis_mem' drivers/pcmcia/cistpl.c:217: warning: Function parameter or member 'len' not described in 'pcmcia_write_cis_mem' drivers/pcmcia/cistpl.c:217: warning: Function parameter or member 'ptr' not described in 'pcmcia_write_cis_mem' drivers/pcmcia/cistpl.c:289: warning: Function parameter or member 's' not described in 'read_cis_cache' drivers/pcmcia/cistpl.c:289: warning: Function parameter or member 'attr' not described in 'read_cis_cache' drivers/pcmcia/cistpl.c:289: warning: Function parameter or member 'addr' not described in 'read_cis_cache' drivers/pcmcia/cistpl.c:289: warning: Function parameter or member 'len' not described in 'read_cis_cache' drivers/pcmcia/cistpl.c:289: warning: Function parameter or member 'ptr' not described in 'read_cis_cache' drivers/pcmcia/cistpl.c:372: warning: Function parameter or member 's' not described in 'verify_cis_cache' drivers/pcmcia/cistpl.c:412: warning: Function parameter or member 's' not described in 'pcmcia_replace_cis' drivers/pcmcia/cistpl.c:412: warning: Function parameter or member 'data' not described in 'pcmcia_replace_cis' drivers/pcmcia/cistpl.c:412: warning: Function parameter or member 'len' not described in 'pcmcia_replace_cis' Signed-off-by: Lee Jones <lee.jones@linaro.org> [linux@dominikbrodowski.net: removed list of CCs] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2021-03-15pcmcia: rsrc_nonstatic: Demote kernel-doc abusesLee Jones1-2/+2
Fixes the following W=1 kernel build warning(s): drivers/pcmcia/rsrc_nonstatic.c:265: warning: Function parameter or member 's' not described in 'readable' drivers/pcmcia/rsrc_nonstatic.c:265: warning: Function parameter or member 'res' not described in 'readable' drivers/pcmcia/rsrc_nonstatic.c:265: warning: Function parameter or member 'count' not described in 'readable' drivers/pcmcia/rsrc_nonstatic.c:296: warning: Function parameter or member 's' not described in 'checksum' drivers/pcmcia/rsrc_nonstatic.c:296: warning: Function parameter or member 'res' not described in 'checksum' drivers/pcmcia/rsrc_nonstatic.c:296: warning: Function parameter or member 'value' not described in 'checksum' drivers/pcmcia/rsrc_nonstatic.c:349: warning: Function parameter or member 'value' not described in 'do_validate_mem' drivers/pcmcia/rsrc_nonstatic.c:349: warning: Excess function parameter 'validate' description in 'do_validate_mem' drivers/pcmcia/rsrc_nonstatic.c:407: warning: Function parameter or member 'value' not described in 'do_mem_probe' drivers/pcmcia/rsrc_nonstatic.c:407: warning: Excess function parameter 'validate' description in 'do_mem_probe' drivers/pcmcia/rsrc_nonstatic.c:407: warning: Excess function parameter 'fallback' description in 'do_mem_probe' Signed-off-by: Lee Jones <lee.jones@linaro.org> [linux@dominikbrodowski.net: removed list of CCs] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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