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2020-12-19Merge branch 'pcmcia-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux Pull pcmcia updates from Dominik Brodowski: "Besides a few PCMCIA odd fixes, the NEC VRC4173 CARDU driver is removed, as it has not compiled in ages" * 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux: pcmcia: omap: Fix error return code in omap_cf_probe() pcmcia: Remove NEC VRC4173 CARDU pcmcia: db1xxx_ss: remove unneeded semicolon pcmcia/electra_cf: Fix some return values in 'electra_cf_probe()' in case of error
2020-12-05pcmcia: omap: Fix error return code in omap_cf_probe()Wang ShaoBo
Fix to return proper error code instaed of 0 in omap_cf_probe(), as done elsewhere in this function. Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-12-05pcmcia: Remove NEC VRC4173 CARDUSebastian Andrzej Siewior
The driver was introduced in 2.6.11 in the pre-git times with commit "[PATCH] mips: vR41xx updates". However, even back then, this driver was not able to be compiled, as a number of udpates had been missing from this driver: It still provided a "->get_io_map" callback (removed for v2.5.66) and a "->inquire_socket" callback and used socket_cap_t (removed for v2.5.72). Moreover, this driver failed to be brought and be kept up to date; e.g. it still provides '->register_callback', incompatible with a change committed for v2.6.14 in commit 7f316b033b36 ("[PATCH] pcmcia: remove socket register_callback"), and uses INIT_WORK() with three arguments which was removed in commit 65f27f38446e1 ("WorkStruct: Pass the work_struct pointer instead of context data") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> [linux@dominikbrodowski.net: rewrite commit message] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-12-05pcmcia: db1xxx_ss: remove unneeded semicolonJason Yan
Eliminate the following coccicheck warning: drivers/pcmcia/db1xxx_ss.c:455:2-3: Unneeded semicolon Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Acked-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-12-05pcmcia/electra_cf: Fix some return values in 'electra_cf_probe()' in case of ↵Christophe JAILLET
error 'status' is known to be 0 at this point. It must be set to a meaningful value in order to return an error code if one of the 'of_get_property()' call fails. Return -EINVAL in such a case. Fixes: 2b571a066a2f("pcmcia: CompactFlash driver for PA Semi Electra boards") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-11-27pcmcia: at91_cf: remove platform data supportAlexandre Belloni
Board file support has been removed for at91rm9200 back in 2014, make the CF driver DT only. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200930184804.3127757-2-alexandre.belloni@bootlin.com
2020-11-27pcmcia: at91_cf: move definitions locallyAlexandre Belloni
struct at91_cf_data is only used in the driver since all the platforms moved to device tree, move its definition locally. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200930184804.3127757-1-alexandre.belloni@bootlin.com
2020-09-25dma-mapping: remove DMA_MASK_NONEChristoph Hellwig
This value is only used by a PCMCIA driver and not very useful. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Dominik Brodowski <linux@dominikbrodwski.net>
2020-08-23treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-06-14treewide: replace '---help---' in Kconfig files with 'help'Masahiro Yamada
Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over '---help---'"), the number of '---help---' has been gradually decreasing, but there are still more than 2400 instances. This commit finishes the conversion. While I touched the lines, I also fixed the indentation. There are a variety of indentation styles found. a) 4 spaces + '---help---' b) 7 spaces + '---help---' c) 8 spaces + '---help---' d) 1 space + 1 tab + '---help---' e) 1 tab + '---help---' (correct indentation) f) 1 tab + 1 space + '---help---' g) 1 tab + 2 spaces + '---help---' In order to convert all of them to 1 tab + 'help', I ran the following commend: $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/' Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-06-06Merge tag 'pci-v5.8-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "Enumeration: - Program MPS for RCiEP devices (Ashok Raj) - Fix pci_register_host_bridge() device_register() error handling (Rob Herring) - Fix pci_host_bridge struct device release/free handling (Rob Herring) Resource management: - Allow resizing BARs for devices on root bus (Ard Biesheuvel) Power management: - Reduce Thunderbolt resume time by working around devices that don't support DLL Link Active reporting (Mika Westerberg) - Work around a Pericom USB controller OHCI/EHCI PME# defect (Kai-Heng Feng) Virtualization: - Add ACS quirk for Intel Root Complex Integrated Endpoints (Ashok Raj) - Avoid FLR for AMD Starship USB 3.0 (Kevin Buettner) - Avoid FLR for AMD Matisse HD Audio & USB 3.0 (Marcos Scriven) Error handling: - Use only _OSC (not HEST FIRMWARE_FIRST) to determine AER ownership (Alexandru Gagniuc, Kuppuswamy Sathyanarayanan) - Reduce verbosity by logging only ACPI_NOTIFY_DISCONNECT_RECOVER events (Kuppuswamy Sathyanarayanan) - Don't enable AER by default in Kconfig (Bjorn Helgaas) Peer-to-peer DMA: - Add AMD Zen Raven and Renoir Root Ports to whitelist (Alex Deucher) ASPM: - Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges (Kai-Heng Feng) Endpoint framework: - Fix DMA channel release in test (Kunihiko Hayashi) - Add page size as argument to pci_epc_mem_init() (Lad Prabhakar) - Add support to handle multiple base for mapping outbound memory (Lad Prabhakar) Generic host bridge driver: - Support building as module (Rob Herring) - Eliminate pci_host_common_probe wrappers (Rob Herring) Amlogic Meson PCIe controller driver: - Don't use FAST_LINK_MODE to set up link (Marc Zyngier) Broadcom STB PCIe controller driver: - Disable ASPM L0s if 'aspm-no-l0s' in DT (Jim Quinlan) - Fix clk_put() error (Jim Quinlan) - Fix window register offset (Jim Quinlan) - Assert fundamental reset on initialization (Nicolas Saenz Julienne) - Add notify xHCI reset property (Nicolas Saenz Julienne) - Add init routine for Raspberry Pi 4 VL805 USB controller (Nicolas Saenz Julienne) - Sync with Raspberry Pi 4 firmware for VL805 initialization (Nicolas Saenz Julienne) Cadence PCIe controller driver: - Remove "cdns,max-outbound-regions" DT property (replaced by "ranges") (Kishon Vijay Abraham I) - Read 32-bit (not 16-bit) Vendor ID/Device ID property from DT (Kishon Vijay Abraham I) Marvell Aardvark PCIe controller driver: - Improve link training (Marek Behún) - Add PHY support (Marek Behún) - Add "phys", "max-link-speed", "reset-gpios" to dt-binding (Marek Behún) - Train link immediately after enabling training to work around detection issues with some cards (Pali Rohár) - Issue PERST via GPIO to work around detection issues (Pali Rohár) - Don't blindly enable ASPM L0s (Pali Rohár) - Replace custom macros by standard linux/pci_regs.h macros (Pali Rohár) Microsoft Hyper-V host bridge driver: - Fix probe failure path to release resource (Wei Hu) - Retry PCI bus D0 entry on invalid device state for kdump (Wei Hu) Renesas R-Car PCIe controller driver: - Fix incorrect programming of OB windows (Andrew Murray) - Add suspend/resume (Kazufumi Ikeda) - Rename pcie-rcar.c to pcie-rcar-host.c (Lad Prabhakar) - Add endpoint controller driver (Lad Prabhakar) - Fix PCIEPAMR mask calculation (Lad Prabhakar) - Add r8a77961 to DT binding (Yoshihiro Shimoda) Socionext UniPhier Pro5 controller driver: - Add endpoint controller driver (Kunihiko Hayashi) Synopsys DesignWare PCIe controller driver: - Program outbound ATU upper limit register (Alan Mikhak) - Fix inner MSI IRQ domain registration (Marc Zyngier) Miscellaneous: - Check for platform_get_irq() failure consistently (negative return means failure) (Aman Sharma) - Fix several runtime PM get/put imbalances (Dinghao Liu) - Use flexible-array and struct_size() helpers for code cleanup (Gustavo A. R. Silva) - Update & fix issues in bridge emulation of PCIe registers (Jon Derrick) - Add macros for bridge window names (PCI_BRIDGE_IO_WINDOW, etc) (Krzysztof Wilczyński) - Work around Intel PCH MROMs that have invalid BARs (Xiaochun Lee)" * tag 'pci-v5.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (100 commits) PCI: uniphier: Add Socionext UniPhier Pro5 PCIe endpoint controller driver PCI: Add ACS quirk for Intel Root Complex Integrated Endpoints PCI/DPC: Print IRQ number used by port PCI/AER: Use "aer" variable for capability offset PCI/AER: Remove redundant dev->aer_cap checks PCI/AER: Remove redundant pci_is_pcie() checks PCI/AER: Remove HEST/FIRMWARE_FIRST parsing for AER ownership PCI: tegra: Fix runtime PM imbalance on error PCI: vmd: Filter resource type bits from shadow register PCI: tegra194: Fix runtime PM imbalance on error dt-bindings: PCI: Add UniPhier PCIe endpoint controller description PCI: hv: Use struct_size() helper PCI: Rename _DSM constants to align with spec PCI: Avoid FLR for AMD Starship USB 3.0 PCI: Avoid FLR for AMD Matisse HD Audio & USB 3.0 x86/PCI: Drop unused xen_register_pirq() gsi_override parameter PCI: dwc: Use private data pointer of "struct irq_domain" to get pcie_port PCI: amlogic: meson: Don't use FAST_LINK_MODE to set up link PCI: dwc: Fix inner MSI IRQ domain registration PCI: dwc: pci-dra7xx: Use devm_platform_ioremap_resource_byname() ...
2020-06-04Merge branch 'pcmcia-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux Pull pcmcia updates from Dominik Brodowski: "Two minor PCMCIA odd fixes: one replacing zero-length arrays with a flexible-array member, and one making a local function static" * 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux: pcmcia: make pccard_loop_tuple() static pcmcia: Replace zero-length array with flexible-array
2020-06-02powerpc: add an ioremap_phb helperChristoph Hellwig
Factor code shared between pci_64 and electra_cf into a ioremap_pbh helper that follows the normal ioremap semantics, and returns a useful __iomem pointer. Note that it opencodes __ioremap_at as we know from the callers the slab is available. Switch pci_64 to also store the result as __iomem pointer, and unmap the result using iounmap instead of force casting and using vmalloc APIs. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: David Airlie <airlied@linux.ie> Cc: Gao Xiang <xiang@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Laura Abbott <labbott@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Kelley <mikelley@microsoft.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Wei Liu <wei.liu@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mackerras <paulus@ozlabs.org> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Link: http://lkml.kernel.org/r/20200414131348.444715-7-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-05-21pcmcia: Use CardBus window names (PCI_CB_BRIDGE_IO_0_WINDOW etc) when freeingKrzysztof Wilczynski
Remove the loop used to free CardBus resources and replace it with a yenta_free_res() helper used to release bridge resources explicitly. Link: https://lore.kernel.org/r/20200520183411.1534621-3-kw@linux.com Signed-off-by: Krzysztof Wilczynski <kw@linux.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-05-21PCI: Use bridge window names (PCI_BRIDGE_IO_WINDOW etc)Krzysztof Wilczynski
Use bridge resource definitions instead of using the PCI_BRIDGE_RESOURCES constant with an integer offeset. Link: https://lore.kernel.org/r/20200520183411.1534621-2-kw@linux.com Signed-off-by: Krzysztof Wilczynski <kw@linux.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2020-05-18pcmcia: make pccard_loop_tuple() staticDominik Brodowski
pccard_loop_tuple() is only used within drivers/pcmcia/pcmcia_cis.c, so make that function static. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-03-31pcmcia: remove some unused space charactersHu Haowen
There are a few space characters I found by chance. I think they are redundant, so I removed them. Signed-off-by: Hu Haowen <xianfengting221@163.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-03-28pcmcia: soc_common.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: Dominik Brodowski <linux@dominikbrodowski.net>
2020-03-28pcmcia: cs_internal.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: Dominik Brodowski <linux@dominikbrodowski.net>
2020-03-14pcmcia: Use scnprintf() for avoiding potential buffer overflowTakashi Iwai
Since snprintf() returns the would-be-output size instead of the actual output size, the succeeding calls may go beyond the given buffer limit. Fix it by replacing with scnprintf(). Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2020-03-14pcmcia: omap: remove useless cast for driver.nameCorentin Labbe
device_driver name is const char pointer, so it not useful to cast driver_name (which is already const char). Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: remove #if 0 blockSimon Geis
Remove the unused function indirect_read16, which is similar to indirect_read with the exception that it reads 16 instead of 8 bit. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: delete enter/leave macroSimon Geis
Remove the enter/leave macros and the corresponding calls. These are obsolete since ftrace is available. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: include <linux/io.h> instead of <asm/io.h>Simon Geis
Include the more general linux/io.h instead of asm/io.h as checkpatch suggests. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: shorten the lines with over 80 charactersSimon Geis
Split the lines with more than 80 characters in order to improve readability of the code. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: move assignment out of if conditionSimon Geis
Improve readability by moving the assignment out of if conditions. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: change code indentationSimon Geis
Align switch and case labels in order to improve readability. For the same reason, change the indentation of an if-statement. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: insert blank line after declarationsSimon Geis
Improve readability of the code by inserting a blank line after variable declarations. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: remove braces around single statement blocksSimon Geis
Remove braces around single statement blocks in order to improve readability. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: add/remove spaces to improve readabilitySimon Geis
Improve the readability by adding whitespaces after commas and around comparative operations. Also change indentation of one comment block. While at it, remove trailing whitespaces and spaces before tabs. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> [linux@dominikbrodowski.net: fixup one additional definition] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-12-16PCMCIA/i82092: use dev_<level> instead of printkSimon Geis
Improve the log output by using the device-aware dev_err()/dev_info() functions. While at it, update one remaining printk(KERN_ERR ...) call to the preferred pr_err() call and delete commented out debugging lines. Co-developed-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Lukas Panzer <lukas.panzer@fau.de> Signed-off-by: Simon Geis <simon.geis@fau.de> [linux@dominikbrodowski.net: disapply unneeded part of patch] Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-11-22pcmcia: remove unused dprintk definitionDominik Brodowski
A recent cleanup patch removed the remaining users of dprintk() in i82092.c, so get rid of the definition of dprintk() as well. Fixes: 836e9494f448 ("pcmcia/i82092: Refactored dprintk macro for dev_dbg().") Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-11-22pcmcia: include <pcmcia/ds.h> for pcmcia_parse_tupleBen Dooks (Codethink)
Include <pcmcia/ds.h> for pcmcia_parse_tuple declaration to fix the following sparse warning: drivers/pcmcia/cistpl.c:1287:5: warning: symbol 'pcmcia_parse_tuple' was not declared. Should it be static? Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-11-22pcmcia: include cs_internal.h for missing declarationsBen Dooks (Codethink)
Include cs_internal.h (and pcmcia/cistpl.h as required by cs_internal.h) for the declearions of cb_alloc and cb_free to silence the following sparse warnings: drivers/pcmcia/cardbus.c:64:11: warning: symbol 'cb_alloc' was not declared. Should it be static? drivers/pcmcia/cardbus.c:103:6: warning: symbol 'cb_free' was not declared. Should it be static? Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-11-21pcmcia: Use dev_get_drvdata where possibleChuhong Yuan
Instead of using to_pci_dev + pci_get_drvdata, use dev_get_drvdata to make code simpler. Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-11-21pcmcia: clean an indentation issues, remove extraneous spacesColin Ian King
Trivial fix to clean up indentation issues, remove spaces Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2019-09-28Merge branch 'next-lockdown' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull kernel lockdown mode from James Morris: "This is the latest iteration of the kernel lockdown patchset, from Matthew Garrett, David Howells and others. From the original description: This patchset introduces an optional kernel lockdown feature, intended to strengthen the boundary between UID 0 and the kernel. When enabled, various pieces of kernel functionality are restricted. Applications that rely on low-level access to either hardware or the kernel may cease working as a result - therefore this should not be enabled without appropriate evaluation beforehand. The majority of mainstream distributions have been carrying variants of this patchset for many years now, so there's value in providing a doesn't meet every distribution requirement, but gets us much closer to not requiring external patches. There are two major changes since this was last proposed for mainline: - Separating lockdown from EFI secure boot. Background discussion is covered here: https://lwn.net/Articles/751061/ - Implementation as an LSM, with a default stackable lockdown LSM module. This allows the lockdown feature to be policy-driven, rather than encoding an implicit policy within the mechanism. The new locked_down LSM hook is provided to allow LSMs to make a policy decision around whether kernel functionality that would allow tampering with or examining the runtime state of the kernel should be permitted. The included lockdown LSM provides an implementation with a simple policy intended for general purpose use. This policy provides a coarse level of granularity, controllable via the kernel command line: lockdown={integrity|confidentiality} Enable the kernel lockdown feature. If set to integrity, kernel features that allow userland to modify the running kernel are disabled. If set to confidentiality, kernel features that allow userland to extract confidential information from the kernel are also disabled. This may also be controlled via /sys/kernel/security/lockdown and overriden by kernel configuration. New or existing LSMs may implement finer-grained controls of the lockdown features. Refer to the lockdown_reason documentation in include/linux/security.h for details. The lockdown feature has had signficant design feedback and review across many subsystems. This code has been in linux-next for some weeks, with a few fixes applied along the way. Stephen Rothwell noted that commit 9d1f8be5cf42 ("bpf: Restrict bpf when kernel lockdown is in confidentiality mode") is missing a Signed-off-by from its author. Matthew responded that he is providing this under category (c) of the DCO" * 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (31 commits) kexec: Fix file verification on S390 security: constify some arrays in lockdown LSM lockdown: Print current->comm in restriction messages efi: Restrict efivar_ssdt_load when the kernel is locked down tracefs: Restrict tracefs when the kernel is locked down debugfs: Restrict debugfs when the kernel is locked down kexec: Allow kexec_file() with appropriate IMA policy when locked down lockdown: Lock down perf when in confidentiality mode bpf: Restrict bpf when kernel lockdown is in confidentiality mode lockdown: Lock down tracing and perf kprobes when in confidentiality mode lockdown: Lock down /proc/kcore x86/mmiotrace: Lock down the testmmiotrace module lockdown: Lock down module params that specify hardware parameters (eg. ioport) lockdown: Lock down TIOCSSERIAL lockdown: Prohibit PCMCIA CIS storage when the kernel is locked down acpi: Disable ACPI table override if the kernel is locked down acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down ACPI: Limit access to custom_method when the kernel is locked down x86/msr: Restrict MSR access when the kernel is locked down x86: Lock down IO port access when the kernel is locked down ...
2019-09-04pcmcia/i82092: Refactored dprintk macro for dev_dbg().Adam Zerella
As suggested in https://kernelnewbies.org/KernelJanitors/Todo this patch replaces the outdated macro of DPRINTK for dev_dbg() To: Dominik Brodowski <linux@dominikbrodowski.net> To: Thomas Gleixner <tglx@linutronix.de> To: Adam Zerella <adam.zerella@gmail.com> To: linux-kernel@vger.kernel.org Signed-off-by: Adam Zerella <adam.zerella@gmail.com> Link: https://lore.kernel.org/r/20190825053513.13990-1-adam.zerella@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-19lockdown: Prohibit PCMCIA CIS storage when the kernel is locked downDavid Howells
Prohibit replacement of the PCMCIA Card Information Structure when the kernel is locked down. Suggested-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Matthew Garrett <mjg59@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: James Morris <jmorris@namei.org>
2019-08-09pcmcia: db1xxx_ss: Mark expected switch fall-throughsGustavo A. R. Silva
Mark switch cases where we are expecting to fall through. This patch fixes the following warnings (Building: db1xxx_defconfig mips): drivers/pcmcia/db1xxx_ss.c:257:3: warning: this statement may fall through [-Wimplicit-fallthrough=] drivers/pcmcia/db1xxx_ss.c:269:3: warning: this statement may fall through [-Wimplicit-fallthrough=] Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
2019-07-09Merge tag 'docs-5.3' of git://git.lwn.net/linuxLinus Torvalds
Pull Documentation updates from Jonathan Corbet: "It's been a relatively busy cycle for docs: - A fair pile of RST conversions, many from Mauro. These create more than the usual number of simple but annoying merge conflicts with other trees, unfortunately. He has a lot more of these waiting on the wings that, I think, will go to you directly later on. - A new document on how to use merges and rebases in kernel repos, and one on Spectre vulnerabilities. - Various improvements to the build system, including automatic markup of function() references because some people, for reasons I will never understand, were of the opinion that :c:func:``function()`` is unattractive and not fun to type. - We now recommend using sphinx 1.7, but still support back to 1.4. - Lots of smaller improvements, warning fixes, typo fixes, etc" * tag 'docs-5.3' of git://git.lwn.net/linux: (129 commits) docs: automarkup.py: ignore exceptions when seeking for xrefs docs: Move binderfs to admin-guide Disable Sphinx SmartyPants in HTML output doc: RCU callback locks need only _bh, not necessarily _irq docs: format kernel-parameters -- as code Doc : doc-guide : Fix a typo platform: x86: get rid of a non-existent document Add the RCU docs to the core-api manual Documentation: RCU: Add TOC tree hooks Documentation: RCU: Rename txt files to rst Documentation: RCU: Convert RCU UP systems to reST Documentation: RCU: Convert RCU linked list to reST Documentation: RCU: Convert RCU basic concepts to reST docs: filesystems: Remove uneeded .rst extension on toctables scripts/sphinx-pre-install: fix out-of-tree build docs: zh_CN: submitting-drivers.rst: Remove a duplicated Documentation/ Documentation: PGP: update for newer HW devices Documentation: Add section about CPU vulnerabilities for Spectre Documentation: platform: Delete x86-laptop-drivers.txt docs: Note that :c:func: should no longer be used ...
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-14docs: pcmcia: convert docs to ReST and rename to *.rstMauro Carvalho Chehab
Convert the pcmcia docs to ReST format. Most of the changes here are trivial. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 256Thomas Gleixner
Based on 1 normalized pattern(s): the contents of this file may be used under the terms of the gnu public license version 2 the gpl extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 1 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141333.014369811@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156Thomas Gleixner
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152Thomas Gleixner
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21treewide: Add SPDX license identifier for more missed filesThomas Gleixner
Add SPDX license identifiers to all files which: - Have no license information of any form - Have MODULE_LICENCE("GPL*") inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-14treewide: replace #include <asm/sizes.h> with #include <linux/sizes.h>Masahiro Yamada
Since commit dccd2304cc90 ("ARM: 7430/1: sizes.h: move from asm-generic to <linux/sizes.h>"), <asm/sizes.h> and <asm-generic/sizes.h> are just wrappers of <linux/sizes.h>. This commit replaces all <asm/sizes.h> and <asm-generic/sizes.h> to prepare for the removal. Link: http://lkml.kernel.org/r/1553267665-27228-1-git-send-email-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-01-05Merge tag 'for-4.21' of git://git.armlinux.org.uk/~rmk/linux-armLinus Torvalds
Pull ARM updates from Russell King: "Included in this update: - Florian Fainelli noticed that userspace segfaults caused by the lack of kernel-userspace helpers was hard to diagnose; we now issue a warning when userspace tries to use the helpers but the kernel has them disabled. - Ben Dooks wants compatibility for the old ATAG serial number with DT systems. - Some cleanup of assembly by Nicolas Pitre. - User accessors optimisation from Vincent Whitchurch. - More robust kdump on SMP systems from Yufen Wang. - Sebastian Andrzej Siewior noticed problems with the SMP "boot_lock" on RT kernels, and so we convert the Versatile series of platforms to use a raw spinlock instead, consolidating the Versatile implementation. We entirely remove the boot_lock on OMAP systems, where it's unnecessary. Further patches for other systems will be submitted for the following merge window. - Start switching old StrongARM-11x0 systems to use gpiolib rather than their private GPIO implementation - mostly PCMCIA bits. - ARM Kconfig cleanups. - Cleanup a mostly harmless mistake in the recent Spectre patch in 4.20 (which had the effect that data that can be placed into the init sections was incorrectly always placed in the rodata section)" * tag 'for-4.21' of git://git.armlinux.org.uk/~rmk/linux-arm: (25 commits) ARM: omap2: remove unnecessary boot_lock ARM: versatile: rename and comment SMP implementation ARM: versatile: convert boot_lock to raw ARM: vexpress/realview: consolidate immitation CPU hotplug ARM: fix the cockup in the previous patch ARM: sa1100/cerf: switch to using gpio_led_register_device() ARM: sa1100/assabet: switch to using gpio leds ARM: sa1100/assabet: add gpio keys support for right-hand two buttons ARM: sa1111: remove legacy GPIO interfaces pcmcia: sa1100*: remove redundant bvd1/bvd2 setting ARM: pxa/lubbock: switch PCMCIA to MAX1600 library ARM: pxa/mainstone: switch PCMCIA to MAX1600 library and gpiod APIs ARM: sa1100/neponset: switch PCMCIA to MAX1600 library and gpiod APIs ARM: sa1100/jornada720: switch PCMCIA to gpiod APIs pcmcia: add MAX1600 library ARM: sa1100: explicitly register sa11x0-pcmcia devices ARM: 8813/1: Make aligned 2-byte getuser()/putuser() atomic on ARMv6+ ARM: 8812/1: Optimise copy_{from/to}_user for !CPU_USE_DOMAINS ARM: 8811/1: always list both ldrd/strd registers explicitly ARM: 8808/1: kexec:offline panic_smp_self_stop CPU ...
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