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2023-04-19Merge tag 'spi-nor/for-6.4' into mtd/nextMiquel Raynal1-3/+2
SPI NOR core changes: * introduce Read While Write support for flashes featuring several banks * set the 4-Byte Address Mode method based on SFDP data * allow post_sfdp hook to return errors * parse SCCR MC table and introduce support for multi-chip devices SPI NOR manufacturer drivers changes: * macronix: add support for mx25uw51245g with RWW * spansion: - determine current address mode at runtime as it can be changed in a non-volatile way and differ from factory defaults or from what SFDP advertises. - enable JFFS2 write buffer mode for few ECC'd NOR flashes: S25FS256T, s25hx and s28hx - add support for s25hl02gt and s25hs02gt Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2023-03-22mtd: Use of_property_read_bool() for boolean propertiesRob Herring1-1/+1
It is preferred to use typed property access functions (i.e. of_property_read_<type> functions) rather than low-level of_get_property/of_find_property functions for reading properties. Convert reading boolean properties to to of_property_read_bool(). Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20230310144716.1543995-1-robh@kernel.org
2023-03-09mtd: maps: pismo: Convert to i2c's .probe_new()Uwe Kleine-König1-3/+2
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Acked-by: Richard Weinberger <richard@nod.at> Link: https://lore.kernel.org/lkml/20221118224540.619276-497-uwe@kleine-koenig.org Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-11-24mtd: maps: pxa2xx-flash: fix memory leak in probeZheng Yongjun1-0/+2
Free 'info' upon remapping error to avoid a memory leak. Fixes: e644f7d62894 ("[MTD] MAPS: Merge Lubbock and Mainstone drivers into common PXA2xx driver") Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> [<miquel.raynal@bootlin.com>: Reword the commit log] Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20221119073307.22929-1-zhengyongjun3@huawei.com
2022-10-07Merge tag 'mtd/for-6.1' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull MTD updates from Miquel Raynal: "Core MTD changes: - mtdchar: add MEMREAD ioctl - Add ECC error accounting for each read request - always initialize 'stats' in struct mtd_oob_ops - Track maximum number of bitflips for each read request - Fix repeated word in comment - Move from strlcpy with unused retval to strscpy - Fix a typo in a comment - Add binding for U-Boot bootloader partitions MTD device drivers changes: - FTL: use container_of() rather than cast - docg3: - Use correct function names in comment blocks - Check the return value of devm_ioremap() in the probe - physmap-core: Fix NULL pointer dereferencing in of_select_probe_type() - parsers: add Broadcom's U-Boot parser Raw NAND core changes: - Replace of_gpio_named_count() by gpiod_count() - Remove misguided comment of nand_get_device() - bbt: Use the bitmap API to allocate bitmaps Raw NAND controller drivers changes: - Meson: - Stop supporting legacy clocks - Refine resource getting in probe - Convert bindings to yaml - Fix clock handling and update the bindings accordingly - Fix bit map use in meson_nfc_ecc_correct() - bcm47xx: - Fix spelling typo in comment - STM32 FMC2: - Switch to using devm_fwnode_gpiod_get() - Fix dma_map_sg error check - Cadence: - Remove an unneeded result variable - Marvell: - Fix error handle regarding dma_map_sg - Orion: - Use devm_clk_get_optional() - Cafe: - Use correct function name in comment block - Atmel: - Unmap streaming DMA mappings - Arasan: - Stop using 0 as NULL pointer - GPMI: - Fix typo 'the the' in comment - BRCM: - Add individual glue driver selection - Move Kconfig to driver folder - FSL: Fix none ECC mode - Intel: - Use devm_platform_ioremap_resource_byname() - Remove unused clk_rate member from struct ebu_nand - Remove unused nand_pa member from ebu_nand_cs - Don't re-define NAND_DATA_IFACE_CHECK_ONLY - Remove undocumented compatible string - Fix compatible string in the bindings - Read the chip-select line from the correct OF node - Fix maximum chip select value in the bindings" * tag 'mtd/for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (43 commits) mtd: rawnand: meson: stop supporting legacy clocks dt-bindings: nand: meson: convert txt to yaml mtd: rawnand: meson: refine resource getting in probe mtd: rawnand: meson: fix the clock dt-bindings: nand: meson: fix meson nfc clock mtd: rawnand: bcm47xx: fix spelling typo in comment mtd: rawnand: stm32_fmc2: switch to using devm_fwnode_gpiod_get() mtd: rawnand: cadence: Remove an unneeded result variable mtd: rawnand: Replace of_gpio_named_count() by gpiod_count() mtd: rawnand: marvell: Fix error handle regarding dma_map_sg mtd: rawnand: stm32_fmc2: Fix dma_map_sg error check mtd: rawnand: remove misguided comment of nand_get_device() mtd: rawnand: orion: Use devm_clk_get_optional() mtd: rawnand: cafe: Use correct function name in comment block mtd: rawnand: atmel: Unmap streaming DMA mappings mtd: rawnand: meson: fix bit map use in meson_nfc_ecc_correct() mtd: rawnand: arasan: stop using 0 as NULL pointer mtd: rawnand: gpmi: Fix typo 'the the' in comment mtd: rawnand: brcmnand: Add individual glue driver selection mtd: rawnand: brcmnand: Move Kconfig to driver folder ...
2022-09-19mtd: physmap-core: Fix NULL pointer dereferencing in of_select_probe_type()Zeng Jingxiang1-0/+3
Coverity complains of a possible NULL dereference: in of_select_probe_type(): 1. returned_null: of_match_device() returns NULL. 2. var_assigned: match = NULL return value from of_match_device() 309 match = of_match_device(of_flash_match, &dev->dev); 3.dereference: Dereferencing the NULL pointer match. 310 probe_type = match->data; Signed-off-by: Zeng Jingxiang <linuszeng@tencent.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220727060302.1560325-1-zengjx95@gmail.com
2022-08-16i2c: Make remove callback return voidUwe Kleine-König1-3/+1
The value returned by an i2c driver's remove function is mostly ignored. (Only an error message is printed if the value is non-zero that the error is ignored.) So change the prototype of the remove function to return no value. This way driver authors are not tempted to assume that passing an error to the upper layer is a good idea. All drivers are adapted accordingly. There is no intended change of behaviour, all callbacks were prepared to return 0 before. Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au> Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Crt Mori <cmo@melexis.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013 Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/* Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5 Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860 Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power Acked-by: Krzysztof Hałasa <khalasa@piap.pl> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-06-09mtd: physmap: Drop if with an always false conditionUwe Kleine-König1-4/+0
The remove callback is only called after probe completed successfully. In this case platform_set_drvdata() was called with a non-NULL argument and so info is never NULL. 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: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220603210758.148493-15-u.kleine-koenig@pengutronix.de
2022-06-09mtd: physmap: Don't skip cleanup after mtd_device_unregister() failedUwe Kleine-König1-6/+3
If mtd_device_unregister() fails (which it doesn't when used correctly), the resources bound by the nand chip should be freed anyhow as returning an error value doesn't prevent the device getting unbound. Instead use WARN_ON on the return value similar to how other drivers do it. 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: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220603210758.148493-14-u.kleine-koenig@pengutronix.de
2022-06-06mtd: maps: Fix refcount leak in ap_flash_initMiaoqian Lin1-0/+1
of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: b0afd44bc192 ("mtd: physmap_of: add a hook for Versatile write protection") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220523143255.4376-1-linmq006@gmail.com
2022-06-06mtd: maps: Fix refcount leak in of_flash_probe_versatileMiaoqian Lin1-0/+1
of_find_matching_node_and_match() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: b0afd44bc192 ("mtd: physmap_of: add a hook for Versatile write protection") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220523140205.48625-1-linmq006@gmail.com
2022-06-03Merge tag 'arm-multiplatform-5.19-2' of ↵Linus Torvalds1-2/+0
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 ...
2022-04-25mtd: maps: ixp4xx: Drop driverLinus Walleij3-272/+0
This custom maps driver was never used with the device tree enabled IXP4xx systems, which use the physmap add-on from commit 2aba2f2a704d ("mtd: physmap_of: add a hook for Intel IXP4xx flash probing") Since kernel v5.18-rc1 IXP4xx is only booting from the device tree so drop this old driver. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20220407210844.2489682-1-linus.walleij@linaro.org
2022-04-19ARM: pxa: split up mach/hardware.hArnd Bergmann1-2/+0
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>
2022-01-02MIPS: TXX9: Remove rbtx4939 board supportThomas Bogendoerfer3-140/+0
No active MIPS user own this board, so let's remove it. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
2021-10-15mtd: fixup CFI on ixp4xxArnd Bergmann1-1/+1
drivers/mtd/maps/ixp4xx.c requires MTD_CFI_BE_BYTE_SWAP to be set in order to compile. drivers/mtd/maps/ixp4xx.c:57:4: error: #error CONFIG_MTD_CFI_BE_BYTE_SWAP required This patch avoids the #error output by enforcing the policy in Kconfig. Not sure if this is the right approach, but it helps doing randconfig builds. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210927141045.1597593-1-arnd@kernel.org
2021-08-17mtd: maps: remove dead MTD map driver for PMC-Sierra MSP boardsLukas Bulwahn3-251/+0
Commit 1b00767fd8e1 ("MIPS: Remove PMC MSP71xx platform") removes the config PMC_MSP in ./arch/mips/Kconfig. Hence, since then, the corresponding MTD map driver for PMC-Sierra MSP boards is dead code. Remove this dead driver. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210817104531.12675-1-lukas.bulwahn@gmail.com
2021-06-11mtd: amd76xrom: remove unnecessary oom messageZhen Lei1-4/+2
Fixes scripts/checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Remove it can help us save a bit of memory. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210610022631.15344-1-thunder.leizhen@huawei.com
2021-06-11mtd: ck804xrom: remove unnecessary oom messageZhen Lei1-5/+3
Fixes scripts/checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Remove it can help us save a bit of memory. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210610022416.15291-1-thunder.leizhen@huawei.com
2021-06-11mtd: esb2rom: remove unnecessary oom messageZhen Lei1-4/+3
Fixes scripts/checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Remove it can help us save a bit of memory. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210610022239.15238-1-thunder.leizhen@huawei.com
2021-06-11mtd: ichxrom: remove unnecessary oom messageZhen Lei1-4/+2
Fixes scripts/checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Remove it can help us save a bit of memory. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210610022100.15185-1-thunder.leizhen@huawei.com
2021-06-11mtd: sun_uflash: remove unnecessary oom messageZhen Lei1-3/+1
Fixes scripts/checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Remove it can help us save a bit of memory. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210610021400.15132-1-thunder.leizhen@huawei.com
2021-05-10mtd: plat-ram: remove redundant dev_err call in platram_probe()Yu Kuai1-1/+0
There is a error message within devm_ioremap_resource already, so remove the dev_err call to avoid redundant error message. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210408111514.1011020-3-yukuai3@huawei.com
2021-04-27Merge tag 'mtd/for-5.13' of ↵Linus Torvalds2-2/+4
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull mtd updates from Miquel Raynal: "MTD core: - Handle possible -EPROBE_DEFER from parse_mtd_partitions() - Constify buf in mtd_write_user_prot_reg() - Constify name param in mtd_bdi_init - Fix fall-through warnings for Clang - Get rid of Big MTD Lock ouf of mtdchar - Drop mtd_mutex usage from mtdchar_open() - Don't lock when recursively deleting partitions - Use module_mtd_blktrans() to register driver when relevant - Parse MTD as NVMEM cells - New OTP (one-time-programmable) erase ioctl - Require write permissions for locking and badblock ioctls - physmap: - Fix error return code of physmap_flash_remove() - physmap-bt1-rom: Fix unintentional stack access - ofpart parser: - Support Linksys Northstar partitions - Make symbol 'bcm4908_partitions_quirks' static - Limit parsing of deprecated DT syntax - Support BCM4908 fixed partitions - Qcom parser: - Incompatible with spi-nor 4k sectors - Fix error condition - Extend Qcom SMEM parser to SPI flash CFI: - Disable broken buffered writes for CFI chips within ID 0x2201 - Address a Coverity report for unused value SPI NOR core: - Add OTP support - Fix module unload while an op in progress - Add various cleanup patches - Add Michael and Pratyush as designated reviewers in MAINTAINERS SPI NOR controller drivers: - intel-spi: - Move platform data header to x86 subfolder NAND core: - Fix error handling in nand_prog_page_op() (x2) - Add a helper to retrieve the number of ECC bytes per step - Add a helper to retrieve the number of ECC steps - Let ECC engines advertize the exact number of steps - ECC Hamming: - Populate the public nsteps field - Use the public nsteps field - ECC BCH: - Populate the public nsteps field - Use the public nsteps field Raw NAND core: - Add support for secure regions in NAND memory - Try not to use the ECC private structures - Remove duplicate include in rawnand.h - BBT: - Skip bad blocks when searching for the BBT in NAND (APPLIED THEN REVERTED) Raw NAND controller drivers: - Qcom: - Convert bindings to YAML - Use dma_mapping_error() for error check - Add missing nand_cleanup() in error path - Return actual error code instead of -ENODEV - Update last code word register - Add helper to configure location register - Rename parameter name in macro - Add helper to check last code word - Convert nandc to chip in Read/Write helper - Update register macro name for 0x2c offset - GPMI: - Fix a double free in gpmi_nand_init - Rockchip: - Use flexible-array member instead of zero-length array - Atmel: - Update ecc_stats.corrected counter - MXC: - Remove unneeded of_match_ptr() - R852: - replace spin_lock_irqsave by spin_lock in hard IRQ - Brcmnand: - Move to polling in pio mode on oops write - Read/write oob during EDU transfer - Fix OOB R/W with Hamming ECC - FSMC: - Fix error code in fsmc_nand_probe() - OMAP: - Use ECC information from the generic structures SPI-NAND core: - Add missing MODULE_DEVICE_TABLE() SPI-NAND drivers: - gigadevice: Support GD5F1GQ5UExxG" * tag 'mtd/for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (89 commits) Revert "mtd: rawnand: bbt: Skip bad blocks when searching for the BBT in NAND" mtd: core: Constify buf in mtd_write_user_prot_reg() Revert "mtd: spi-nor: macronix: Add support for mx25l51245g" mtd: spi-nor: core: Fix an issue of releasing resources during read/write mtd: cfi_cmdset_0002: remove redundant assignment to variable timeo mtd: cfi_cmdset_0002: Disable buffered writes for AMD chip 0x2201 mtd: rawnand: qcom: Use dma_mapping_error() for error check mtd: rawnand: gpmi: Fix a double free in gpmi_nand_init mtd: rawnand: qcom: Add missing nand_cleanup() in error path mtd: rawnand: Add support for secure regions in NAND memory dt-bindings: mtd: Add a property to declare secure regions in NAND chips dt-bindings: mtd: Convert Qcom NANDc binding to YAML mtd: spi-nor: winbond: add OTP support to w25q32fw/jw mtd: spi-nor: implement OTP support for Winbond and similar flashes mtd: spi-nor: add OTP support mtd: spi-nor: swp: Improve code around spi_nor_check_lock_status_sr() mtd: spi-nor: Move Software Write Protection logic out of the core mtd: rawnand: bbt: Skip bad blocks when searching for the BBT in NAND include: linux: mtd: Remove duplicate include of nand.h mtd: parsers: ofpart: support Linksys Northstar partitions ...
2021-03-17module: remove never implemented MODULE_SUPPORTED_DEVICELeon Romanovsky1-1/+0
MODULE_SUPPORTED_DEVICE was added in pre-git era and never was implemented. We can safely remove it, because the kernel has grown to have many more reliable mechanisms to determine if device is supported or not. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-03-11mtd: maps: fix error return code of physmap_flash_remove()Jia-Ju Bai1-1/+3
When platform_get_drvdata() returns NULL to info, no error return code of physmap_flash_remove() is assigned. To fix this bug, err is assigned with -EINVAL in this case Fixes: 73566edf9b91 ("[MTD] Convert physmap to platform driver") Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210308034446.3052-1-baijiaju1990@gmail.com
2021-03-11mtd: physmap: physmap-bt1-rom: Fix unintentional stack accessGustavo A. R. Silva1-1/+1
Cast &data to (char *) in order to avoid unintentionally accessing the stack. Notice that data is of type u32, so any increment to &data will be in the order of 4-byte chunks, and this piece of code is actually intended to be a byte offset. Fixes: b3e79e7682e0 ("mtd: physmap: Add Baikal-T1 physically mapped ROM support") Addresses-Coverity-ID: 1497765 ("Out-of-bounds access") Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Acked-by: Serge Semin <fancer.lancer@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210212104022.GA242669@embeddedor
2021-02-01mtd: convert comma to semicolonZheng Yongjun1-4/+4
Replace a comma between expression statements by a semicolon. Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210108092300.18909-1-zhengyongjun3@huawei.com
2020-12-16Merge tags 'spi-nor/for-5.11' and 'nand/for-5.11' into mtd/nextMiquel Raynal1-3/+8
SPI NOR core changes: - Initial support for stateful Octal DTR mode using volatile settings - Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards - Support for Cypress Semper flash - Support to specify ECC block size of SPI NOR flashes - Fixes to avoid clearing of non-volatile Block Protection bits at probe Generic NAND core: * ECC management: - Add an I/O request tweaking mechanism - Entire rework of the software BCH ECC driver, creation of a real ECC engine, getting rid of raw NAND structures, migration to more generic prototypes, misc fixes and style cleanup. Moved now to the Generic NAND layer. - Entire rework of the software Hamming ECC driver, creation of a real ECC engine, getting rid of raw NAND structures, misc renames, comment updates, cleanup, and style fixes. Moved now to the generic NAND layer. - Necessary plumbing at the NAND level to retrieve generic NAND ECC engines (softwares and on-die). - Update of the bindings. Raw NAND core: * Geting rid of the chip->ecc.priv entry. * Fix miscellaneous typos in kernel-doc Raw NAND controller drivers: * AU1550: Ensure the presence of the right includes * Davinci: Do not use extra dereferencing * GPMI: - Fix the driver only sense CS0 R/B issue - Fix the random DMA timeout issue - Use a single line for of_device_id - Use of_device_get_match_data() - Fix reference count leak in gpmi ops - Cleanup makefile - Fix binding matching of clocks on different SoCs * Ingenic: remove redundant get_device() in ingenic_ecc_get() * Intel LGM: New NAND controller driver * Marvell: Drop useless line * Meson: - Fix a resource leak in init - Fix meson_nfc_dma_buffer_release() arguments * mxc: - Use device_get_match_data() - Use a single line for of_device_id - Remove platform data support * Qcom: - Add support for SDX55 - Support for IPQ6018 QPIC NAND controller - Fix DMA sync on FLASH_STATUS register read * Rockchip: New NAND controller driver for RK3308, RK2928 and others * Sunxi: Add MDMA support SPI-NAND core: * Creation of a SPI-NAND on-die ECC engine * Move ECC related definitions earlier in the driver * Fix typo in comment * Fill a default ECC provider/algorithm * Remove outdated comment * Fix OOB read * Allow the case where there is no ECC engine * Use the external ECC engine logic SPI-NAND chip drivers: * Micron: - Add support for MT29F2G01AAAED - Use more specific names * Macronix: - Add support for MX35LFxG24AD - Add support for MX35LFxGE4AD Others: * onenand: Use mtd->oops_panic_write as condition * plat-ram: correctly free memory on error path in platram_probe()
2020-12-11mtd: plat-ram: correctly free memory on error path in platram_probe()Baskov Evgeiny1-3/+8
If an error happens in mtd_device_parse_register or mtd_device_register, memory allocated for struct platram_info is leaked. Make platram_probe() call platram_remove() on all error paths after struct platram_info allocation to correctly free resources. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Baskov Evgeiny <baskov@ispras.ru> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20201113160537.899-1-baskov@ispras.ru
2020-12-07mtd: physmap: physmap-bt1-rom: Fix __iomem addrspace removal warningSerge Semin1-4/+4
sparse is unhappy with us casting the __iomem address space pointer to a type with no address space attribute specified: "sparse warnings: (new ones prefixed by >>)" >> drivers/mtd/maps/physmap-bt1-rom.c:78:18: sparse: sparse: cast removes address space '__iomem' of expression Indeed we perform the __iomem-less type casting but to an integer variable. The integer variable isn't dereferenced then, so the casting is safe and won't cause any problem. But in order to make sparse happy and keep the code coherent let's fix the warning by converting the local "shift" and "chunk" variables to the "unsigned int" type (since their value won't ever exceed three) and cast the __iomem-pointers to uintptr_t. Add the same fix to the bt1_rom_map_read() method for unification. Fixes: b3e79e7682e0 ("mtd: physmap: Add Baikal-T1 physically mapped ROM support") Link: https://lore.kernel.org/lkml/202011021254.XC70BaQT-lkp@intel.com/ Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Reported-by: kernel test robot <lkp@intel.com> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru> Cc: Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20201125072640.23516-1-Sergey.Semin@baikalelectronics.ru
2020-10-02mtd: maps: vmu-flash: fix typos for struct memcardBernard Zhao1-2/+2
Change struct memcard`s element "removeable" -> "removable". Signed-off-by: Bernard Zhao <bernard@vivo.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200922112814.26761-1-bernard@vivo.com
2020-10-02mtd: physmap: Add Baikal-T1 physically mapped ROM supportSerge Semin5-0/+160
Baikal-T1 Boot Controller provides an access to a RO storages, which are physically mapped into the SoC MMIO space. In particularly there are Internal ROM embedded into the SoC with a pre-installed firmware, externally attached SPI flash (also accessed in the read-only mode) and a memory region, which mirrors one of them in accordance with the currently enabled system boot mode (also called Boot ROM). This commit adds the Internal ROM support to the physmap driver of the MTD kernel subsystem. The driver will create the Internal ROM MTD as long as it is defined in the system dts file. The physically mapped SPI flash region will be used to implement the SPI-mem interface. The mirroring memory region won't be accessible directly since it's redundant due to both bootable regions being exposed anyway. Note we had to create a dedicated code for the ROMs since read from the corresponding memory regions must be done via the dword-aligned addresses. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru> Cc: Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru> Cc: Lee Jones <lee.jones@linaro.org> Cc: linux-mips@vger.kernel.org Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200920111445.21816-1-Sergey.Semin@baikalelectronics.ru
2020-10-02mtd: maps: vmu-flash: simplify the return expression of probe_maple_vmuLiu Shixin1-6/+1
Simplify the return expression. Signed-off-by: Liu Shixin <liushixin2@huawei.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200919100854.1639267-1-liushixin2@huawei.com
2020-08-27mtd: maps: physmap: Retain mtd-name property from dtsChris Packham1-1/+2
In physmap_flash_of_init() the maps[].name can be populated based on the optional 'linux,mtd-name' property in the dts. Make sure this is retained when filling in the rest of the map[] data. Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200824025744.25992-1-chris.packham@alliedtelesis.co.nz
2020-08-02mtd: Replace HTTP links with HTTPS onesAlexander A. Klimov2-2/+2
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Richard Weinberger <richard@nod.at>
2020-06-05mtd: physmap_of_gemini: remove defined but not used symbol 'syscon_match'Jason Yan1-5/+0
It's not used by anyone now, remove it. Fix the following gcc warning: drivers/mtd/maps/physmap-gemini.c:49:34: warning: ‘syscon_match’ defined but not used [-Wunused-const-variable=] static const struct of_device_id syscon_match[] = { ^~~~~~~~~~~~ Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Richard Weinberger <richard@nod.at>
2020-03-30mtd: Convert fallthrough comments into statementsMiquel Raynal1-2/+1
Use Joe Perches cvt_fallthrough.pl script to convert /* fallthrough */ comments (and its derivatives) into a fallthrough; statement. This automatically drops useless ones. Do it MTD-wide. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Vignesh Raghavendra <vigneshr@ti.com> Acked-by: Tudor Ambarus <tudor.ambarus@microchip.com> Acked-by: Richard Weinberger <richard@nod.at> Link: https://lore.kernel.org/linux-mtd/20200325212115.14170-1-miquel.raynal@bootlin.com
2020-03-25mtd: maps: sa1100-flash: Replace zero-length array with flexible-array memberGustavo A. R. Silva1-1/+1
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: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20200319224200.GA25162@embeddedor.com
2020-01-31Merge tag 'mtd/for-5.6' of ↵Linus Torvalds2-9/+18
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull MTD updates from Miquel Raynal: "MTD core - block2mtd: page index should use pgoff_t - maps: physmap: minimal Runtime PM support - maps: pcmciamtd: avoid possible sleep-in-atomic-context bugs - concat: Fix a comment referring to an unknown symbol Raw NAND: - Macronix: Use match_string() helper - Atmel: switch to using devm_fwnode_gpiod_get() - Denali: rework the SKIP_BYTES feature and add reset controlling - Brcmnand: set appropriate DMA mask - Cadence: add unspecified HAS_IOMEM dependency - Various cleanup. Onenand: - Rename Samsung and Omap2 drivers to avoid possible build warnings - Enable compile testing - Various build issues - Kconfig cleanup SPI-NAND: - Support for Toshiba TC58CVG2S0HRAIJ SPI-NOR: - Add support for TB selection using SR bit 6, - Add support for few flashes" * tag 'mtd/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (41 commits) mtd: concat: Fix a comment referring to an unknown symbol mtd: rawnand: add unspecified HAS_IOMEM dependency mtd: block2mtd: page index should use pgoff_t mtd: maps: physmap: Add minimal Runtime PM support mtd: maps: pcmciamtd: fix possible sleep-in-atomic-context bugs in pcmciamtd_set_vpp() mtd: onenand: Rename omap2 driver to avoid a build warning mtd: onenand: Use a better name for samsung driver mtd: rawnand: atmel: switch to using devm_fwnode_gpiod_get() mtd: spinand: add support for Toshiba TC58CVG2S0HRAIJ mtd: rawnand: macronix: Use match_string() helper to simplify the code mtd: sharpslpart: Fix unsigned comparison to zero mtd: onenand: Enable compile testing of OMAP and Samsung drivers mtd: onenand: samsung: Fix printing format for size_t on 64-bit mtd: onenand: samsung: Fix pointer cast -Wpointer-to-int-cast warnings on 64 bit mtd: rawnand: denali: remove hard-coded DENALI_DEFAULT_OOB_SKIP_BYTES mtd: rawnand: denali_dt: add reset controlling dt-bindings: mtd: denali_dt: document reset property mtd: rawnand: denali_dt: Add support for configuring SPARE_AREA_SKIP_BYTES mtd: rawnand: denali_dt: error out if platform has no associated data mtd: rawnand: brcmnand: Set appropriate DMA mask ...
2020-01-27mtd: maps: physmap: Add minimal Runtime PM supportGeert Uytterhoeven1-5/+15
Add minimal runtime PM support (enable on probe, disable on remove), to ensure proper operation with a parent device that uses runtime PM. This is needed on systems where the FLASH is connected to a bus controller that is contained in a PM domain and/or has a gateable functional clock. In such cases, before accessing any device connected to the external bus, the PM domain must be powered up, and/or the functional clock must be enabled, which is typically handled through runtime PM by the bus controller driver. An example of this is the Renesas APE6-EVM development board, which has an Ethernet controller and a CFI FLASH connected to the Bus State Controller (BSC) of an R-Mobile APE6 SoC. As long as the Ethernet driver, which had Runtime PM support since commit 3a611e26e958b037 ("net/smsc911x: Add minimal runtime PM support"), keeps the BSC powered, accessing the FLASH works. When the ethernet node in r8a73a4-ape6evm.dts is disabled, the BSC is never powered up, and the kernel crashes when trying to access the FLASH: Unhandled fault: imprecise external abort (0x1406) at 0x00000000 pgd = (ptrval) [00000000] *pgd=7fef2835 Internal error: : 1406 [#1] SMP ARM CPU: 0 PID: 122 Comm: hd Tainted: G W 5.5.0-rc1-ape6evm-00814-g38ca966db25b9dbd-dirty #136 Hardware name: Generic R8A73A4 (Flattened Device Tree) PC is at chip_ready+0x12c/0x380 LR is at chip_ready+0x10c/0x380 Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2020-01-27mtd: maps: pcmciamtd: fix possible sleep-in-atomic-context bugs in ↵Jia-Ju Bai1-4/+3
pcmciamtd_set_vpp() The driver may sleep while holding a spinlock. The function call path (from bottom to top) in Linux 4.19 is: drivers/pcmcia/pcmcia_resource.c, 312: mutex_lock in pcmcia_fixup_vpp drivers/mtd/maps/pcmciamtd.c, 309: pcmcia_fixup_vpp in pcmciamtd_set_vpp drivers/mtd/maps/pcmciamtd.c, 306: _raw_spin_lock_irqsave in pcmciamtd_set_vpp drivers/pcmcia/pcmcia_resource.c, 312: mutex_lock in pcmcia_fixup_vpp drivers/mtd/maps/pcmciamtd.c, 312: pcmcia_fixup_vpp in pcmciamtd_set_vpp drivers/mtd/maps/pcmciamtd.c, 306: _raw_spin_lock_irqsave in pcmciamtd_set_vp mutex_lock() may sleep at runtime. To fix these bugs, the spinlock is replaced with a mutex. These bugs are found by a static analysis tool STCheck written by myself. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2020-01-06remove ioremap_nocache and devm_ioremap_nocacheChristoph Hellwig12-22/+22
ioremap has provided non-cached semantics by default since the Linux 2.6 days, so remove the additional ioremap_nocache interface. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
2019-10-29mtd: physmap_of: add a hook for Intel IXP4xx flash probingLinus Walleij5-0/+166
In order to support device tree probing of IXP4xx NOR flash chips, a certain big-endian or mixed-endian memory access pattern need to be used. I have opted to use the pattern set by previous plug-ins to physmap for Gemini and Versatile, just override some functions and reuse most of the physmap core code as it is to minimize maintenance. Parts of drivers/mtd/ixp4xx.c are copied into this file. After we have IXP4xx converted fully to device tree, the drivers/mtd/ixp4xx.c file will be deleted and this will be the only access pattern to the IXP4xx flash. I did not keep the quirk in the flash write function after probe, where the old code for a while checks for access to odd addresses, fails and assigns a "faster" write function once it has convinced probe to only use 2-byte accesses. As we mandate that this device should be using bank-width = <2> this should not be a problem unless misconfigured. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-10-29mtd: maps: l440gx: Avoid printing address to dmesgFuqian Huang1-1/+1
Avoid printing the address of l440gx_map.virt every time l440gx init. Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-09-16mtd: pismo: Simplify getting the adapter of a clientWolfram Sang1-2/+1
We have a dedicated pointer for that, so use it. Much easier to read and less computation involved. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Richard Weinberger <richard@nod.at>
2019-09-16mtd: pxa2xx: Use ioremap_cache insted of ioremap_cachedChristoph Hellwig1-2/+1
pxa2xx-flash is the only user of ioremap_cached, which is an alias for ioremap_cache anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Richard Weinberger <richard@nod.at>
2019-08-21mtd: sa1100: Mark expected switch fall-throughGustavo A. R. Silva1-0/+1
Mark switch cases where we are expecting to fall through. Fix the following warning (Building: assabet_defconfig arm): drivers/mtd/maps/sa1100-flash.c: In function ‘sa1100_probe_subdev’: drivers/mtd/maps/sa1100-flash.c:82:3: warning: this statement may fall through [-Wimplicit-fallthrough=] printk(KERN_WARNING "SA1100 flash: unknown base address " ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "0x%08lx, assuming CS0\n", phys); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/mtd/maps/sa1100-flash.c:85:2: note: here case SA1100_CS0_PHYS: ^~~~ Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner5-19/+5
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>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 467Thomas Gleixner1-3/+1
Based on 1 normalized pattern(s): licensed under version 2 of the gnu general public licence 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: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081202.750147367@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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