- Many fixes for power-cut issues by Zhihao Cheng
- Another ubiblock error path fix
- ubiblock section mismatch fix
- Misc fixes all over the place
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Merge tag 'ubifs-for-linus-6.11-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
- Many fixes for power-cut issues by Zhihao Cheng
- Another ubiblock error path fix
- ubiblock section mismatch fix
- Misc fixes all over the place
* tag 'ubifs-for-linus-6.11-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubi: Fix ubi_init() ubiblock_exit() section mismatch
ubifs: add check for crypto_shash_tfm_digest
ubifs: Fix inconsistent inode size when powercut happens during appendant writing
ubi: block: fix null-pointer-dereference in ubiblock_create()
ubifs: fix kernel-doc warnings
ubifs: correct UBIFS_DFS_DIR_LEN macro definition and improve code clarity
mtd: ubi: Restore missing cleanup on ubi_init() failure path
ubifs: dbg_orphan_check: Fix missed key type checking
ubifs: Fix unattached inode when powercut happens in creating
ubifs: Fix space leak when powercut happens in linking tmpfile
ubifs: Move ui->data initialization after initializing security
ubifs: Fix adding orphan entry twice for the same inode
ubifs: Remove insert_dead_orphan from replaying orphan process
Revert "ubifs: ubifs_symlink: Fix memleak of inode->i_link in error path"
ubifs: Don't add xattr inode into orphan area
ubifs: Fix unattached xattr inode if powercut happens after deleting
mtd: ubi: avoid expensive do_div() on 32-bit machines
mtd: ubi: make ubi_class constant
ubi: eba: properly rollback inside self_check_eba
Since ubiblock_exit() is now called from an init function,
the __exit section no longer makes sense.
Cc: Ben Hutchings <bwh@kernel.org>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407131403.wZJpd8n2-lkp@intel.com/
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
- Nothing stands out for this merge window, mostly minor fixes, such as
module descriptions, the use of debug macros and Makefile improvements.
Raw NAND changes;
- The Freescale MXC driver has been converted to the newer ->exec_op()
interface. The meson driver now supports handling the boot ROM area
with very specific ECC needs. Support for the iMX8QXP has been added
to the GPMI driver. The lpx32xx driver now can get the DMA channels
using DT entries. The Qcom binding has been improved to be more future
proof by Rob. And then there is the usual load of misc and minor
changes.
SPI-NAND changes:
- The Macronix vendor driver has been improved to support an extended ID
to avoid conflicting with older devices after an ID reuse issue.
SPI NOR changes:
- Drop support for Xilinx S3AN flashes. These flashes are for the very
old Xilinx Spartan 3 FPGAs and they need some awkward code in the core
to support. Drop support for these flashes, along with the special
handling we needed for them in the core like non-power-of-2 page size
handling and the .setup() callback.
- Fix regression for old w25q128 flashes without SFDP tables. Commit
83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
dropped support for such devices under the assumption that they aren't
being used anymore. Users have now surfaced [0] so fix the regression
by supporting both kind of devices.
- Core cleanups including removal of SPI_NOR_NO_FR flag and
simplification of spi_nor_get_flash_info().
[0] https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/
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Merge tag 'mtd/for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"Nothing stands out for this merge window, mostly minor fixes, such as
module descriptions, the use of debug macros and Makefile
improvements.
Raw NAND changes;
- The Freescale MXC driver has been converted to the newer
'->exec_op()' interface
- The meson driver now supports handling the boot ROM area with very
specific ECC needs
- Support for the iMX8QXP has been added to the GPMI driver
- The lpx32xx driver now can get the DMA channels using DT entries
- The Qcom binding has been improved to be more future proof by Rob
- And then there is the usual load of misc and minor changes
SPI-NAND changes:
- The Macronix vendor driver has been improved to support an extended
ID to avoid conflicting with older devices after an ID reuse issue
SPI NOR changes:
- Drop support for Xilinx S3AN flashes. These flashes are for the
very old Xilinx Spartan 3 FPGAs and they need some awkward code in
the core to support.
Drop support for these flashes, along with the special handling we
needed for them in the core like non-power-of-2 page size handling
and the .setup() callback.
- Fix regression for old w25q128 flashes without SFDP tables.
Commit 83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond
w25q128") dropped support for such devices under the assumption
that they aren't being used anymore. Users have now surfaced [0] so
fix the regression by supporting both kind of devices.
- Core cleanups including removal of SPI_NOR_NO_FR flag and
simplification of spi_nor_get_flash_info()"
Link: https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/ [0]
* tag 'mtd/for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (28 commits)
mtd: rawnand: lpx32xx: Fix dma_request_chan() error checks
mtd: spinand: macronix: Add support for serial NAND flash
mtd: spinand: macronix: Add support for reading Device ID 2
mtd: rawnand: lpx32xx: Request DMA channels using DT entries
dt-bindings: mtd: qcom,nandc: Define properties at top-level
mtd: rawnand: intel: use 'time_left' variable with wait_for_completion_timeout()
mtd: rawnand: mxc: use 'time_left' variable with wait_for_completion_timeout()
mtd: rawnand: gpmi: add iMX8QXP support.
mtd: rawnand: gpmi: add 'support_edo_timing' in gpmi_devdata
mtd: cmdlinepart: Replace `dbg()` macro with `pr_debug()`
mtd: add missing MODULE_DESCRIPTION() macros
mtd: make mtd_test.c a separate module
dt-bindings: mtd: gpmi-nand: Add 'fsl,imx8qxp-gpmi-nand' compatible string
mtd: rawnand: cadence: remove unused struct 'ecc_info'
mtd: rawnand: mxc: support software ECC
mtd: rawnand: mxc: implement exec_op
mtd: rawnand: mxc: separate page read from ecc calc
mtd: spi-nor: winbond: fix w25q128 regression
mtd: spi-nor: simplify spi_nor_get_flash_info()
mtd: spi-nor: get rid of SPI_NOR_NO_FR
...
The Freescale MXC driver has been converted to the newer ->exec_op()
interface. The meson driver now supports handling the boot ROM area with
very specific ECC needs. Support for the iMX8QXP has been added to the
GPMI driver. The lpx32xx driver now can get the DMA channels using DT
entries. The Qcom binding has been improved to be more future proof by
Rob. And then there is the usual load of misc and minor changes.
SPI-NAND changes:
The Macronix vendor driver has been improved to support an extended ID
to avoid conflicting with older devices after an ID reuse issue.
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Merge tag 'nand/for-6.11' into mtd/next
Raw NAND changes;
The Freescale MXC driver has been converted to the newer ->exec_op()
interface. The meson driver now supports handling the boot ROM area with
very specific ECC needs. Support for the iMX8QXP has been added to the
GPMI driver. The lpx32xx driver now can get the DMA channels using DT
entries. The Qcom binding has been improved to be more future proof by
Rob. And then there is the usual load of misc and minor changes.
SPI-NAND changes:
The Macronix vendor driver has been improved to support an extended ID
to avoid conflicting with older devices after an ID reuse issue.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Notable changes:
- Drop support for Xilinx S3AN flashes. These flashes are for the very
old Xilinx Spartan 3 FPGAs and they need some awkward code in the core
to support. Drop support for these flashes, along with the special
handling we needed for them in the core like non-power-of-2 page size
handling and the .setup() callback.
- Fix regression for old w25q128 flashes without SFDP tables. Commit
83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
dropped support for such devices under the assumption that they aren't
being used anymore. Users have now surfaced [0] so fix the regression
by supporting both kind of devices.
- Core cleanups including removal of SPI_NOR_NO_FR flag and
simplification of spi_nor_get_flash_info().
[0] https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/
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Merge tag 'spi-nor/for-6.11' into mtd/next
SPI NOR changes for 6.11
Notable changes:
- Drop support for Xilinx S3AN flashes. These flashes are for the very
old Xilinx Spartan 3 FPGAs and they need some awkward code in the core
to support. Drop support for these flashes, along with the special
handling we needed for them in the core like non-power-of-2 page size
handling and the .setup() callback.
- Fix regression for old w25q128 flashes without SFDP tables. Commit
83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
dropped support for such devices under the assumption that they aren't
being used anymore. Users have now surfaced [0] so fix the regression
by supporting both kind of devices.
- Core cleanups including removal of SPI_NOR_NO_FR flag and
simplification of spi_nor_get_flash_info().
[0] https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The dma_request_chan() returns error pointer in case of error, while
dma_request_channel() returns NULL in case of error therefore different
error checks are needed for the two.
Fixes: 7326d3fb1ee3 ("mtd: rawnand: lpx32xx: Request DMA channels using DT entries")
Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com>
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240705115139.126522-1-piotr.wojtaszczyk@timesys.com
MX35{U,L}F{2,4}G24AD-Z4I8 are Macronix serial NAND flashes.
Their main difference from MX35{U,L}F{2,4}G24AD lies in
the plane number. The plane number for those with the
postfix Z4I8 is 1.
These flashes have been validated on Xilinx zynq-picozed
board which include Macronix SPI Host.
Signed-off-by: Cheng Ming Lin <chengminglin@mxic.com.tw>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240704024839.241101-3-linchengming884@gmail.com
Adding the Device ID 2 on Macronix serial NAND flash.
When the number of flashes increases, we need to utilize
Device ID 2 to distinguish between different flashes.
These flashes have been validated on Xilinx zynq-picozed
board which included Macronix SPI Host.
Signed-off-by: Cheng Ming Lin <chengminglin@mxic.com.tw>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240704024839.241101-2-linchengming884@gmail.com
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_timeout() causing patterns like:
timeout = wait_for_completion_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Fix to the proper variable type 'unsigned long' while here.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240604212919.5038-6-wsa+renesas@sang-engineering.com
There is a confusing pattern in the kernel to use a variable named 'timeout' to
store the result of wait_for_completion_timeout() causing patterns like:
timeout = wait_for_completion_timeout(...)
if (!timeout) return -ETIMEDOUT;
with all kinds of permutations. Use 'time_left' as a variable to make the code
self explaining.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240604212919.5038-5-wsa+renesas@sang-engineering.com
Add "fsl,imx8qxp-gpmi-nand" compatible string. iMX8QXP gpmi nand is similar
to iMX7D. But it is using 4 clocks: "gpmi_io", "gpmi_apb", "gpmi_bch" and
"gpmi_bch_apb".
Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240520-gpmi_nand-v2-4-e3017e4c9da5@nxp.com
Introduce a boolean flag, 'support_edo_timing', within gpmi_devdata to
simplify the logic check in gpmi_setup_interface(). This is made in
preparation for adding support for imx8qxp gpmi.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240520-gpmi_nand-v2-3-e3017e4c9da5@nxp.com
The updates to the mediatek, allwinner, ti, tegra, microchip, stm32,
samsung, imx, zynq and amlogic platoforms are farily small maintenance
changes, either addressing minor mistakes or enabling additional hardware.
The qualcomm platform changes add a number of features and are larger
than the other ones combined, introducing the use of linux/cleanup.h
across several drivers, adding support for Snapdragon X1E and other
SoCs in platform drivers, a new "protection domain mapper" driver, and a
"shared memory bridge" driver.
The cznic "turris omnia" router based on Marvell Armada gets a platform
driver that talks to the board specific microcontroller.
The reset and cache subsystems get a few minor updates to SoC specific
drivers, while the ff-a, scmi and optee firmware drivers get some
code refactoring and new features.
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Merge tag 'soc-drivers-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"The updates to the mediatek, allwinner, ti, tegra, microchip, stm32,
samsung, imx, zynq and amlogic platoforms are fairly small maintenance
changes, either addressing minor mistakes or enabling additional
hardware.
The qualcomm platform changes add a number of features and are larger
than the other ones combined, introducing the use of linux/cleanup.h
across several drivers, adding support for Snapdragon X1E and other
SoCs in platform drivers, a new "protection domain mapper" driver, and
a "shared memory bridge" driver.
The cznic "turris omnia" router based on Marvell Armada gets a
platform driver that talks to the board specific microcontroller.
The reset and cache subsystems get a few minor updates to SoC specific
drivers, while the ff-a, scmi and optee firmware drivers get some code
refactoring and new features"
* tag 'soc-drivers-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (122 commits)
firmware: turris-mox-rwtm: Initialize completion before mailbox
firmware: turris-mox-rwtm: Fix checking return value of wait_for_completion_timeout()
firmware: turris-mox-rwtm: Do not complete if there are no waiters
MAINTAINERS: drop riscv list from cache controllers
platform: cznic: turris-omnia-mcu: fix Kconfig dependencies
bus: sunxi-rsb: Constify struct regmap_bus
soc: sunxi: sram: Constify struct regmap_config
platform: cznic: turris-omnia-mcu: Depend on WATCHDOG
platform: cznic: turris-omnia-mcu: Depend on OF
soc: samsung: exynos-pmu: add support for PMU_ALIVE non atomic registers
arm64: stm32: enable scmi regulator for stm32
firmware: qcom: tzmem: blacklist more platforms for SHM Bridge
soc: qcom: wcnss: simplify with cleanup.h
soc: qcom: pdr: simplify with cleanup.h
soc: qcom: ocmem: simplify with cleanup.h
soc: qcom: mdt_loader: simplify with cleanup.h
soc: qcom: llcc: simplify with cleanup.h
firmware: qcom: tzmem: simplify returning pointer without cleanup
soc: qcom: socinfo: Add PM6350 PMIC
arm64: dts: renesas: rz-smarc: Replace fixed regulator for USB VBUS
...
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Merge tag 'for-6.11/block-20240710' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- NVMe updates via Keith:
- Device initialization memory leak fixes (Keith)
- More constants defined (Weiwen)
- Target debugfs support (Hannes)
- PCIe subsystem reset enhancements (Keith)
- Queue-depth multipath policy (Redhat and PureStorage)
- Implement get_unique_id (Christoph)
- Authentication error fixes (Gaosheng)
- MD updates via Song
- sync_action fix and refactoring (Yu Kuai)
- Various small fixes (Christoph Hellwig, Li Nan, and Ofir Gal, Yu
Kuai, Benjamin Marzinski, Christophe JAILLET, Yang Li)
- Fix loop detach/open race (Gulam)
- Fix lower control limit for blk-throttle (Yu)
- Add module descriptions to various drivers (Jeff)
- Add support for atomic writes for block devices, and statx reporting
for same. Includes SCSI and NVMe (John, Prasad, Alan)
- Add IO priority information to block trace points (Dongliang)
- Various zone improvements and tweaks (Damien)
- mq-deadline tag reservation improvements (Bart)
- Ignore direct reclaim swap writes in writeback throttling (Baokun)
- Block integrity improvements and fixes (Anuj)
- Add basic support for rust based block drivers. Has a dummy null_blk
variant for now (Andreas)
- Series converting driver settings to queue limits, and cleanups and
fixes related to that (Christoph)
- Cleanup for poking too deeply into the bvec internals, in preparation
for DMA mapping API changes (Christoph)
- Various minor tweaks and fixes (Jiapeng, John, Kanchan, Mikulas,
Ming, Zhu, Damien, Christophe, Chaitanya)
* tag 'for-6.11/block-20240710' of git://git.kernel.dk/linux: (206 commits)
floppy: add missing MODULE_DESCRIPTION() macro
loop: add missing MODULE_DESCRIPTION() macro
ublk_drv: add missing MODULE_DESCRIPTION() macro
xen/blkback: add missing MODULE_DESCRIPTION() macro
block/rnbd: Constify struct kobj_type
block: take offset into account in blk_bvec_map_sg again
block: fix get_max_segment_size() warning
loop: Don't bother validating blocksize
virtio_blk: Don't bother validating blocksize
null_blk: Don't bother validating blocksize
block: Validate logical block size in blk_validate_limits()
virtio_blk: Fix default logical block size fallback
nvmet-auth: fix nvmet_auth hash error handling
nvme: implement ->get_unique_id
block: pass a phys_addr_t to get_max_segment_size
block: add a bvec_phys helper
blk-lib: check for kill signal in ioctl BLKZEROOUT
block: limit the Write Zeroes to manually writing zeroes fallback
block: refacto blkdev_issue_zeroout
block: move read-only and supported checks into (__)blkdev_issue_zeroout
...
Similar to commit adbf4c4954 ("ubi: block: fix memleak in
ubiblock_create()"), 'dev->gd' is not assigned but dereferenced if
blk_mq_alloc_tag_set() fails, and leading to a null-pointer-dereference.
Fix it by using pr_err() and variable 'dev' to print error log.
Additionally, the log in the error handle path of idr_alloc() has
been improved by using pr_err(), too. Before initializing device
name, using dev_err() will print error log with 'null' instead of
the actual device name, like this:
block (null): ...
~~~~~~
It is unclear. Using pr_err() can print more details of the device.
The improved log is:
ubiblock0_0: ...
Fixes: 77567b25ab ("ubi: use blk_mq_alloc_disk and blk_cleanup_disk")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
The UBIFS_DFS_DIR_LEN macro, which defines the maximum length of the UBIFS
debugfs directory name, has an incorrect formula and misleading comments.
The current formula is (3 + 1 + 2*2 + 1), which assumes that both UBI device
number and volume ID are limited to 2 characters. However, UBI device number
ranges from 0 to 31 (2 characters), and volume ID ranges from 0 to 127 (up
to 3 characters).
Although the current code works due to the cancellation of mathematical
errors (9 + 1 = 10, which matches the correct UBIFS_DFS_DIR_LEN value), it
can lead to confusion and potential issues in the future.
This patch aims to improve the code clarity and maintainability by making
the following changes:
1. Corrects the UBIFS_DFS_DIR_LEN macro definition to (3 + 1 + 2 + 3 + 1),
accommodating the maximum lengths of both UBI device number and volume ID,
plus the separators and null terminator.
2. Updates the snprintf calls to use UBIFS_DFS_DIR_LEN instead of
UBIFS_DFS_DIR_LEN + 1, removing the unnecessary +1.
3. Modifies the error checks to compare against UBIFS_DFS_DIR_LEN using >=
instead of >, aligning with the corrected macro definition.
4. Removes the redundant +1 in the dfs_dir_name array definitions in ubi.h
and debug.h.
While these changes do not affect the runtime behavior, they make the code
more readable, maintainable, and less prone to future errors.
v2->v3:
- Removes the duplicated UBIFS_DFS_DIR_LEN and UBIFS_DFS_DIR_NAME macro
definitions in ubifs.h, as they are already defined in debug.h.
Signed-off-by: ZhaoLong Wang <wangzhaolong1@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
We need to clean-up debugfs and ubiblock if we fail after initialising
them.
Signed-off-by: Ben Hutchings <ben.hutchings@mind.be>
Fixes: 927c145208 ("mtd: ubi: attach from device tree")
Signed-off-by: Richard Weinberger <richard@nod.at>
The use of do_div() in ubi_nvmem_reg_read() makes calling it on
32-bit machines rather expensive. Since the 'from' variable is
known to be a 32-bit quantity, it is clearly never needed and
can be optimized into a regular division operation.
Fixes: b8a77b9a5f ("mtd: ubi: fix NVMEM over UBI volumes on 32-bit systems")
Fixes: 3ce485803d ("mtd: ubi: provide NVMEM layer over UBI volumes")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Since commit 43a7206b09 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the ubi_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
In case of a memory allocation failure in the volumes loop we can only
process the already allocated scan_eba and fm_eba array elements on the
error path - others are still uninitialized.
Found by Linux Verification Center (linuxtesting.org).
Fixes: 00abf30415 ("UBI: Add self_check_eba()")
Cc: stable@vger.kernel.org
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This macro was left over from the dawn of Git history.
For some reason it was defined in such a way that
you needed double brackets around it. Replace it with
the now-standard `pr_debug()`.
Signed-off-by: Csókás, Bence <csokas.bence@prolan.hu>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240625093148.3579660-1-csokas.bence@prolan.hu
With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/parsers/brcm_u-boot.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/parsers/tplink_safeloader.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/chips/cfi_util.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/chips/cfi_cmdset_0020.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/maps/map_funcs.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Acked-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240610-md-drivers-mtd-v1-1-0f59183e4005@quicinc.com
This file gets linked into nine different modules, which causes a warning:
scripts/Makefile.build:236: drivers/mtd/tests/Makefile: mtd_test.o is added to multiple modules: mtd_nandbiterrs mtd_oobtest mtd_pagetest mtd_readtest mtd_speedtest mtd_stresstest mtd_subpagetest mtd_torturetest
Make it a separate module instead.
Fixes: a995c79228 ("mtd: tests: rename sources in order to link a helper object")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240529095049.1915393-1-arnd@kernel.org
With these changes the driver can be used with software BCH ECC which
is useful for NAND chips that require a stronger ECC than the i.MX
hardware supports.
The controller normally interleaves user data with OOB data when
accessing the NAND chip. With Software BCH ECC we write the data
to the NAND in a way that the raw data on the NAND chip matches the
way the NAND layer sees it. This way commands like NAND_CMD_RNDOUT
work as expected.
This was tested on i.MX27 but should work on the other SoCs supported
by this driver as well.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240522-mtd-nand-mxc-nand-exec-op-v4-3-75b611e0ac44@pengutronix.de
Our read_page hook currently reads out a page and also counts and
returns the number of bitflips. In upcoming exec_op conversion we'll
need to read the page data in exec_op, but the bitflip information
will be needed in mxc_nand_read_page(). To ease exec_op conversion
separate the page read out from the bitflip evaluation.
For the v2/v3 controllers we can leave the bitflip information in the
status register for later evaluation. For the v1 controller this is
not possible, because the status register is overwritten with each
subpage read. We therefore store the bitflip information in the private
data.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240522-mtd-nand-mxc-nand-exec-op-v4-1-75b611e0ac44@pengutronix.de
Commit 83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
removed the flags for non-SFDP devices. It was assumed that it wasn't in
use anymore. This wasn't true. Add the no_sfdp_flags as well as the size
again.
We add the additional flags for dual and quad read because they have
been reported to work properly by Hartmut using both older and newer
versions of this flash, the similar flashes with 64Mbit and 256Mbit
already have these flags and because it will (luckily) trigger our
legacy SFDP parsing, so newer versions with SFDP support will still get
the parameters from the SFDP tables.
Reported-by: Hartmut Birr <e9hack@gmail.com>
Closes: https://lore.kernel.org/r/CALxbwRo_-9CaJmt7r7ELgu+vOcgk=xZcGHobnKf=oT2=u4d4aA@mail.gmail.com/
Fixes: 83e824a4a5 ("mtd: spi-nor: Correct flags for Winbond w25q128")
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Esben Haabendal <esben@geanix.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240621120929.2670185-1-mwalle@kernel.org
Move the add_random flag into the queue_limits feature field so that it
can be set atomically with the queue frozen.
Note that this also removes code from dm to clear the flag based on
the underlying devices, which can't be reached as dm devices will
always start out without the flag set.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240617060532.127975-16-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Move the nonrot flag into the queue_limits feature field so that it can
be set atomically with the queue frozen.
Use the chance to switch to defaulting to non-rotational and require
the driver to opt into rotational, which matches the polarity of the
sysfs interface.
For the z2ram, ps3vram, 2x memstick, ubiblock and dcssblk the new
rotational flag is not set as they clearly are not rotational despite
this being a behavior change. There are some other drivers that
unconditionally set the rotational flag to keep the existing behavior
as they arguably can be used on rotational devices even if that is
probably not their main use today (e.g. virtio_blk and drbd).
The flag is automatically inherited in blk_stack_limits matching the
existing behavior in dm and md.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240617060532.127975-15-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Move the cache control settings into the queue_limits so that the flags
can be set atomically with the device queue frozen.
Add new features and flags field for the driver set flags, and internal
(usually sysfs-controlled) flags in the block layer. Note that we'll
eventually remove enough field from queue_limits to bring it back to the
previous size.
The disable flag is inverted compared to the previous meaning, which
means it now survives a rescan, similar to the max_sectors and
max_discard_sectors user limits.
The FLUSH and FUA flags are now inherited by blk_stack_limits, which
simplified the code in dm a lot, but also causes a slight behavior
change in that dm-switch and dm-unstripe now advertise a write cache
despite setting num_flush_bios to 0. The I/O path will handle this
gracefully, but as far as I can tell the lack of num_flush_bios
and thus flush support is a pre-existing data integrity bug in those
targets that really needs fixing, after which a non-zero num_flush_bios
should be required in dm for targets that map to underlying devices.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240617060532.127975-14-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Rework spi_nor_get_flash_info() to make it look more straight forward
and esp. don't return early. The latter is a preparation to check for
deprecated flashes.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240603134055.1859863-1-mwalle@kernel.org
While use of fsl_ifc driver with NAND flash is fine, as the fsl_ifc_nand
driver selects FSL_IFC automatically, we need the CONFIG_FSL_IFC option to
be selectable for platforms using fsl_ifc with NOR flash.
Fixes: ea0c0ad6b6 ("memory: Enable compile testing for most of the drivers")
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Esben Haabendal <esben@geanix.com>
Link: https://lore.kernel.org/r/20240530-fsl-ifc-config-v3-1-1fd2c3d233dd@geanix.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
The Everspin FRAM devices are the only user of the NO_FR flag. Drop the
global flag and instead use a manufacturer fixup for the Everspin
flashes to drop the fast read support.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
[pratyush@kernel.org: s/evervision/everspin/g in code and commit message]
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240419141249.609534-5-mwalle@kernel.org
With the removal of the Xilinx flashes, there is no more flash driver
using that hook. The original intention was to let the driver configure
special requirements like page size an opcodes. This is already
possible by other means and it is unlikely a flash will overwrite the
(more or less complex) setup function.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Acked-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240419141249.609534-4-mwalle@kernel.org
The Xilinx flashes were the only users of page sizes that were not power
of 2. Support for them has been dropped, thus we can also get rid of the
special page size handling for it.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
[pratyush@kernel.org: fixup minor typos and grammar in commit message]
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240419141249.609534-3-mwalle@kernel.org
These flashes are kind of an oddball for the very old Xilinx Spartan 3
FPGAs to store their bitstream. More importantly, they reuse the Atmel
JEDEC manufacturer ID and in fact the at45db081d already blocks the use
of the 3S700AN flash chip. It's time to sunset support for these
flashes.
Signed-off-by: Michael Walle <mwalle@kernel.org>
Acked-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Cc: Ricardo Ribalda <ribalda@kernel.org>
Acked-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240419141249.609534-2-mwalle@kernel.org
Boot ROM on Meson needs some pages to be read/written in a special mode:
384 byte ECC mode (so called "short" by Amlogic) and with scrambling
enabled. Such pages are located on the chip in the following way (for
example):
[ p0 ][ p1 ][ p2 ][ p3 ][ p4 ][ p5 ][ p6 ][ p7 ] ... [ pN ]
^ ^ ^ ^
pX is page number "X". "^" means "special" page used by boot ROM - e.g.
every 2nd page in the range of [0, 7]. Step (2 here) and last page in
range is read from the device tree.
Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240507230903.3399594-4-avkrasnov@salutedevices.com
.setup_interface first gets called with a "target" value of
NAND_DATA_IFACE_CHECK_ONLY, in which case an error is expected
if the controller driver does not support the timing mode (NVDDR).
Fixes: a9ecc8c814 ("mtd: rawnand: Choose the best timings, NV-DDR included")
Signed-off-by: Val Packett <val@packett.cool>
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240519031409.26464-1-val@packett.cool
Early during NAND identification, mtd_info fields have not yet been
initialized (namely, writesize and oobsize) and thus cannot be used for
sanity checks yet. Of course if there is a misuse of
nand_change_read_column_op() so early we won't be warned, but there is
anyway no actual check to perform at this stage as we do not yet know
the NAND geometry.
So, if the fields are empty, especially mtd->writesize which is *always*
set quite rapidly after identification, let's skip the sanity checks.
nand_change_read_column_op() is subject to be used early for ONFI/JEDEC
identification in the very unlikely case of:
- bitflips appearing in the parameter page,
- the controller driver not supporting simple DATA_IN cycles.
As nand_change_read_column_op() uses nand_fill_column_cycles() the logic
explaind above also applies in this secondary helper.
Fixes: c27842e7e1 ("mtd: rawnand: onfi: Adapt the parameter page read to constraint controllers")
Fixes: daca31765e ("mtd: rawnand: jedec: Adapt the parameter page read to constraint controllers")
Cc: stable@vger.kernel.org
Reported-by: Alexander Dahl <ada@thorsis.com>
Closes: https://lore.kernel.org/linux-mtd/20240306-shaky-bunion-d28b65ea97d7@thorsis.com/
Reported-by: Steven Seeger <steven.seeger@flightsystems.net>
Closes: https://lore.kernel.org/linux-mtd/DM6PR05MB4506554457CF95191A670BDEF7062@DM6PR05MB4506.namprd05.prod.outlook.com/
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/linux-mtd/20240516131320.579822-3-miquel.raynal@bootlin.com
The nand_read_data_op() operation, which only consists in DATA_IN
cycles, is sadly not supported by all controllers despite being very
basic. The core, for some time, supposed all drivers would support
it. An improvement to this situation for supporting more constrained
controller added a check to verify if the operation was supported before
attempting it by running the function with the check_only boolean set
first, and then possibly falling back to another (possibly slightly less
optimized) alternative.
An even newer addition moved that check very early and probe time, in
order to perform the check only once. The content of the operation was
not so important, as long as the controller driver would tell whether
such operation on the NAND bus would be possible or not. In practice, no
buffer was provided (no fake buffer or whatever) as it is anyway not
relevant for the "check_only" condition. Unfortunately, early in the
function, there is an if statement verifying that the input parameters
are right for normal use, making the early check always unsuccessful.
Fixes: 9f820fc065 ("mtd: rawnand: Check the data only read pattern only once")
Cc: stable@vger.kernel.org
Reported-by: Alexander Dahl <ada@thorsis.com>
Closes: https://lore.kernel.org/linux-mtd/20240306-shaky-bunion-d28b65ea97d7@thorsis.com/
Reported-by: Steven Seeger <steven.seeger@flightsystems.net>
Closes: https://lore.kernel.org/linux-mtd/DM6PR05MB4506554457CF95191A670BDEF7062@DM6PR05MB4506.namprd05.prod.outlook.com/
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Alexander Dahl <ada@thorsis.com>
Link: https://lore.kernel.org/linux-mtd/20240516131320.579822-2-miquel.raynal@bootlin.com
Until recently the "upper layer" was MTD. But following incremental
reworks to bring spi-nand support and more recently generic ECC support,
there is now an intermediate "generic NAND" layer that also needs to get
access to some values. When using "converted" ECC engines, like the
software ones, these values are already propagated correctly. But
otherwise when using good old raw NAND controller drivers, we need to
manually set these values ourselves at the end of the "scan" operation,
once these values have been negotiated.
Without this propagation, later (generic) checks like the one warning
users that the ECC strength is not high enough might simply no longer
work.
Fixes: 8c126720fe ("mtd: rawnand: Use the ECC framework nand_ecc_is_strong_enough() helper")
Cc: stable@vger.kernel.org
Reported-by: Sascha Hauer <s.hauer@pengutronix.de>
Closes: https://lore.kernel.org/all/Zhe2JtvvN1M4Ompw@pengutronix.de/
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/linux-mtd/20240507085842.108844-1-miquel.raynal@bootlin.com
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).
Let's correct the old usages of *-objs in Makefiles.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240508151222.1443491-1-andriy.shevchenko@linux.intel.com
Replacement of bdev->bd_inode with sane(r) set of primitives.
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Merge tag 'pull-bd_inode-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull bdev bd_inode updates from Al Viro:
"Replacement of bdev->bd_inode with sane(r) set of primitives by me and
Yu Kuai"
* tag 'pull-bd_inode-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
RIP ->bd_inode
dasd_format(): killing the last remaining user of ->bd_inode
nilfs_attach_log_writer(): use ->bd_mapping->host instead of ->bd_inode
block/bdev.c: use the knowledge of inode/bdev coallocation
gfs2: more obvious initializations of mapping->host
fs/buffer.c: massage the remaining users of ->bd_inode to ->bd_mapping
blk_ioctl_{discard,zeroout}(): we only want ->bd_inode->i_mapping here...
grow_dev_folio(): we only want ->bd_inode->i_mapping there
use ->bd_mapping instead of ->bd_inode->i_mapping
block_device: add a pointer to struct address_space (page cache of bdev)
missing helpers: bdev_unhash(), bdev_drop()
block: move two helpers into bdev.c
block2mtd: prevent direct access of bd_inode
dm-vdo: use bdev_nr_bytes(bdev) instead of i_size_read(bdev->bd_inode)
blkdev_write_iter(): saner way to get inode and bdev
bcachefs: remove dead function bdev_sectors()
ext4: remove block_device_ejected()
erofs_buf: store address_space instead of inode
erofs: switch erofs_bread() to passing offset instead of block number
Simon Glass wanted to support binman's output properties in order to
check their validity using the binding checks and proposed changes with
the missing properties as well as a binman compatible.
Krzysztof Kozlowski on his side shared a new yaml for describing
Samsung's OneNAND interface.
The interface with NVMEM has also been slightly improved/fixed,
especially now that OTP are also supported in the NAND subsystem.
Along with these changes, small cleanups have also been contributed
around ID tables, structure sizes, arithmetic checks and comments.
* Raw NAND subsystem
Two small fixes, one in the Hynix vendor code for properly returning an
error which might have been ignored and another in the Davinci driver to
properly synchronize the controller with the gpio domain.
* SPI NOR subsystem
SPI NOR now uses div_u64() instead of div64_u64() in places where the
divisor is 32 bits. Many 32 bit architectures can optimize this variant
better than a full 64 bit divide.
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Merge tag 'mtd/for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD:
- Simon Glass wanted to support binman's output properties in order
to check their validity using the binding checks and proposed
changes with the missing properties as well as a binman compatible.
- Krzysztof Kozlowski on his side shared a new yaml for describing
Samsung's OneNAND interface.
- The interface with NVMEM has also been slightly improved/fixed,
especially now that OTP are also supported in the NAND subsystem.
- Along with these changes, small cleanups have also been contributed
around ID tables, structure sizes, arithmetic checks and comments.
Raw NAND subsystem:
- Two small fixes, one in the Hynix vendor code for properly
returning an error which might have been ignored and another in the
Davinci driver to properly synchronize the controller with the gpio
domain.
SPI NOR subsystem:
- SPI NOR now uses div_u64() instead of div64_u64() in places where
the divisor is 32 bits. Many 32 bit architectures can optimize this
variant better than a full 64 bit divide"
* tag 'mtd/for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: spi-nor: replace unnecessary div64_u64() with div_u64()
mtd: mchp23k256: drop unneeded MODULE_ALIAS
dt-bindings: mtd: fixed-partition: Add binman compatibles
dt-bindings: mtd: fixed-partitions: Add alignment properties
mtd: maps: sa1100-flash: Prefer struct_size over open coded arithmetic
mtd: core: Align comment with an action in mtd_otp_nvmem_add()
mtd: rawnand: hynix: fixed typo
mtd: rawnand: davinci: Add dummy read after sending command
mtd: partitions: redboot: Added conversion of operands to a larger type
dt-bindings: mtd: Add Samsung S5Pv210 OneNAND
mtd: core: Don't fail mtd_otp_nvmem_add() if OTP is unsupported
mtd: core: Report error if first mtd_otp_size() call fails in mtd_otp_nvmem_add()
Two small fixes, one in the Hynix vendor code for properly returning an
error which might have been ignored and another in the Davinci driver to
properly synchronize the controller with the gpio domain.
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Merge tag 'nand/for-6.10' into mtd/next
Raw NAND:
Two small fixes, one in the Hynix vendor code for properly returning an
error which might have been ignored and another in the Davinci driver to
properly synchronize the controller with the gpio domain.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
divisor is 32 bits. Many 32 bit architectures can optimize this variant
better than a full 64 bit divide.
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Merge tag 'spi-nor/for-6.10' into mtd/next
SPI NOR now uses div_u64() instead of div64_u64() in places where the
divisor is 32 bits. Many 32 bit architectures can optimize this variant
better than a full 64 bit divide.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
All we need is size, and that can be obtained via bdev_nr_bytes()
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20240411145346.2516848-11-viro@zeniv.linux.org.uk
Signed-off-by: Christian Brauner <brauner@kernel.org>
