- 14 Mar, 2024 10 commits
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Miquel Raynal authored
For LUN crossing boundaries, it is handy to know what is the index of the last page in a LUN. This helper will soon be reused. At the same time I rename page_per_lun to ppl in the calling function to clarify the lines. Cc: stable@vger.kernel.org # v6.7 Signed-off-by:
Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20240223115545.354541-3-miquel.raynal@bootlin.com
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Miquel Raynal authored
We need to avoid the first page if we don't read it entirely. We need to avoid the last page if we don't read it entirely. While rather simple, this logic has been failed in the previous fix. This time I wrote about 30 unit tests locally to check each possible condition, hopefully I covered them all. Reported-by:
Christophe Kerello <christophe.kerello@foss.st.com> Closes: https://lore.kernel.org/linux-mtd/20240221175327.42f7076d@xps-13/T/#m399bacb10db8f58f6b1f0149a1df867ec086bb0aSuggested-by:
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Randy Dunlap authored
Remove the extraneous kernel-doc description for @nand_technology to eliminate a kernel-doc warning: nand_hynix.c:39: warning: Excess struct member 'nand_technology' description in 'hynix_nand' Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Cc: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Richard Weinberger <richard@nod.at> Cc: Vignesh Raghavendra <vigneshr@ti.com> Cc: linux-mtd@lists.infradead.org Signed-off-by:
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Varshini Rajendran authored
Add microchip,sam9x7-pmecc to DT bindings documentation. Signed-off-by:
Varshini Rajendran <varshini.rajendran@microchip.com> Acked-by:
Conor Dooley <conor.dooley@microchip.com> Signed-off-by:
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William Zhang authored
The write protection feature is controlled by the module parameter wp_on with default set to enabled. But not all the board use this feature especially in BCMBCA broadband board. And module parameter is not sufficient as different board can have different option. Add a device tree property and allow this feature to be configured through the board dts on per board basis. Signed-off-by:
William Zhang <william.zhang@broadcom.com> Reviewed-by:
Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by:
Kamal Dasu <kamal.dasu@broadcom.com> Reviewed-by:
David Regan <dregan@broadcom.com> Signed-off-by:
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William Zhang authored
The BCMBCA broadband SoC integrates the NAND controller differently than STB, iProc and other SoCs. It has different endianness for NAND cache data. Add a SoC read data bus shim for BCMBCA to meet the specific SoC need and performance improvement using the optimized memcpy function on NAND cache memory. Signed-off-by:
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William Zhang authored
In preparing to support multiple BCMBCA SoCs, rename bcm63138 to bcmbca in the driver code and driver file name. Signed-off-by:
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William Zhang authored
Enable the nand controller and add WP pin connection property in actual board dts as they are board level properties now that they are disabled and moved out from SoC dtsi. Also remove the unnecessary brcm,nand-has-wp property from AC5300 board. This property is only needed for some old controller that this board does not apply. Signed-off-by:
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William Zhang authored
Add support for Broadcom STB NAND controller in BCMBCA ARMv8 chip dts files. Signed-off-by:
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William Zhang authored
Add support for Broadcom STB NAND controller in BCMBCA ARMv7 chip dts files. Signed-off-by:
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- 26 Feb, 2024 13 commits
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William Zhang authored
Add brcm,nand-ecc-use-strap to get ecc and spare area size settings from board boot strap for broadband board designs because they do not specify ecc setting in dts but rather using the strap setting. Signed-off-by:
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William Zhang authored
Add brcm,wp-not-connected property to have an option for disabling this feature on broadband board design that does not connect WP pin. Signed-off-by:
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William Zhang authored
Update the descriptions to reflect different families of broadband SoC and use the general name bcmbca for ARM based SoC. Remove the requirement of interrupts property to reflect the driver code and only require interrupt-names when interrupts property present. Also add myself to the list of maintainers. Signed-off-by:
Rob Herring <robh@kernel.org> Reviewed-by:
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David Regan authored
Update log level messages so that more critical messages can be logged to console and help the troubleshooting with field devices. Signed-off-by:
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William Zhang authored
Fix various style issues. Signed-off-by:
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David Regan authored
Fix return types for exec_op reset and status helper functions. Reported-by:
Dan Carpenter <dan.carpenter@linaro.org> Closes: http://lists.infradead.org/pipermail/linux-mtd/2023-December/102423.html Fixes: 3c8260ce ("mtd: rawnand: brcmnand: exec_op implementation") Signed-off-by:
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Christophe Kerello authored
FMC2 IP supports up to 4 chip select. On MP1 SoC, only 2 of them are available when on MP25 SoC, the 4 chip select are available. Let's use a platform data structure for parameters that will differ. Signed-off-by:
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Christophe Kerello authored
Use dma_get_slave_caps API to get the max burst size of a DMA channel. For MP1 SoCs, MDMA is used and the max burst size is 128. For MP25 SoC, DMA3 is used and the max burst size is 64. Signed-off-by:
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Christophe Kerello authored
Add a compatible string to support MP25 SoC. FMC2 IP supports up to 4 chip select. On MP1 SoC, only 2 of them are available when on MP25 SoC, the 4 chip select are available. Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by:
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Arnd Bergmann authored
clang-16 warns about mismatched function prototypes: drivers/mtd/nand/raw/lpc32xx_mlc.c:783:29: error: cast from 'irqreturn_t (*)(int, struct lpc32xx_nand_host *)' (aka 'enum irqreturn (*)(int, struct lpc32xx_nand_host *)') to 'irq_handler_t' (aka 'enum irqreturn (*)(int, void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict] Change the interrupt handler to the normal way of just passing a void* pointer and converting it inside the function.. Fixes: 70f7cb78 ("mtd: add LPC32xx MLC NAND driver") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Erick Archer authored
This is an effort to get rid of all multiplications from allocation functions in order to prevent integer overflows [1]. As the "chip" variable is a pointer to "struct mtk_nfc_nand_chip" and this structure ends in a flexible array: struct mtk_nfc_nand_chip { [...] u8 sels[] __counted_by(nsels); }; the preferred way in the kernel is to use the struct_size() helper to do the arithmetic instead of the argument "size + count * size" in the devm_kzalloc() function. This way, the code is more readable and safer. Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments [1] Link: https://github.com/KSPP/linux/issues/160 [2] Reviewed-by:Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by:
Erick Archer <erick.archer@gmx.com> Acked-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by:
AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by:
Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by:
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Arseniy Krasnov authored
Scrambling mode is enabled by value (1 << 19). NFC_CMD_SCRAMBLER_ENABLE is already (1 << 19), so there is no need to shift it again in CMDRWGEN macro. Signed-off-by:
Arseniy Krasnov <avkrasnov@salutedevices.com> Cc: <Stable@vger.kernel.org> Fixes: 8fae856c ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") Signed-off-by:
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Colin Ian King authored
The variable bbtblocks is being assigned a value that is never read. The assignment is redundant and can be removed. Cleans up clang scan build warning: drivers/mtd/nand/raw/nand_bbt.c:579:3: warning: Value stored to 'bbtblocks' is never read [deadcode.DeadStores] Signed-off-by:
Colin Ian King <colin.i.king@gmail.com> Signed-off-by:
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- 05 Feb, 2024 4 commits
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Ezra Buehler authored
According to the datasheets, the ESMT chips in question will return a 5 byte long identification code where the last 3 bytes are the JEDEC continuation codes (7Fh). Although, I would have expected 4 continuation codes as Powerchip Semiconductor (C8h, corresponding to the parameter page data) is located in bank 5 of the JEDEC database. By matching the full 5 bytes we can avoid clashes with GigaDevice NAND flashes. This fix allows the MT7688-based GARDENA smart Gateway to boot again. Fixes: aa08bf18 ("mtd: spinand: esmt: add support for F50D2G41KA") Signed-off-by:
Ezra Buehler <ezra.buehler@husqvarnagroup.com> Reviewed-by:
Martin Kurbanov <mmkurbanov@salutedevices.com> Tested-by:
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Ezra Buehler authored
E.g. ESMT chips will return an identification code with a length of 5 bytes. In order to prevent ambiguity, flash chips would actually need to return IDs that are up to 17 or more bytes long due to JEDEC's continuation scheme. I understand that if a manufacturer ID is located in bank N of JEDEC's database (there are currently 16 banks), N - 1 continuation codes (7Fh) need to be added to the identification code (comprising of manufacturer ID and device ID). However, most flash chip manufacturers don't seem to implement this (correctly). Signed-off-by:
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Uwe Kleine-König authored
If during probe fsl_lbc_ctrl_dev is NULL that might just be because the fsl_lbc driver didn't bind yet. So return -EPROBE_DEFER in this case to make the driver core retry probing later. Signed-off-by:
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Zhi-Jun You authored
Add support for W25N04KV. W25N04KV has 8-bit on-die ECC. Signed-off-by:
Zhi-Jun You <hujy652@gmail.com> Signed-off-by:
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- 21 Jan, 2024 13 commits
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Linus Torvalds authored
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https://evilpiepirate.org/git/bcachefsLinus Torvalds authored
Pull more bcachefs updates from Kent Overstreet: "Some fixes, Some refactoring, some minor features: - Assorted prep work for disk space accounting rewrite - BTREE_TRIGGER_ATOMIC: after combining our trigger callbacks, this makes our trigger context more explicit - A few fixes to avoid excessive transaction restarts on multithreaded workloads: fstests (in addition to ktest tests) are now checking slowpath counters, and that's shaking out a few bugs - Assorted tracepoint improvements - Starting to break up bcachefs_format.h and move on disk types so they're with the code they belong to; this will make room to start documenting the on disk format better. - A few minor fixes" * tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs: (46 commits) bcachefs: Improve inode_to_text() bcachefs: logged_ops_format.h bcachefs: reflink_format.h bcachefs; extents_format.h bcachefs: ec_format.h bcachefs: subvolume_format.h bcachefs: snapshot_format.h bcachefs: alloc_background_format.h bcachefs: xattr_format.h bcachefs: dirent_format.h bcachefs: inode_format.h bcachefs; quota_format.h bcachefs: sb-counters_format.h bcachefs: counters.c -> sb-counters.c bcachefs: comment bch_subvolume bcachefs: bch_snapshot::btime bcachefs: add missing __GFP_NOWARN bcachefs: opts->compression can now also be applied in the background bcachefs: Prep work for variable size btree node buffers bcachefs: grab s_umount only if snapshotting ... -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer updates from Thomas Gleixner: "Updates for time and clocksources: - A fix for the idle and iowait time accounting vs CPU hotplug. The time is reset on CPU hotplug which makes the accumulated systemwide time jump backwards. - Assorted fixes and improvements for clocksource/event drivers" * tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick-sched: Fix idle and iowait sleeptime accounting vs CPU hotplug clocksource/drivers/ep93xx: Fix error handling during probe clocksource/drivers/cadence-ttc: Fix some kernel-doc warnings clocksource/drivers/timer-ti-dm: Fix make W=n kerneldoc warnings clocksource/timer-riscv: Add riscv_clock_shutdown callback dt-bindings: timer: Add StarFive JH8100 clint dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs -
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Aneesh Kumar: - Increase default stack size to 32KB for Book3S Thanks to Michael Ellerman. * tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s: Increase default stack size to 32KB
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Kent Overstreet authored
Add line breaks - inode_to_text() is now much easier to read. Signed-off-by:Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
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