* Fix refcounting for unpartitioned MTDs
* Fix misspelled function parameter 'section'
* Remove unneeded break
* cmdline parser: Fix parsing of part-names with colons
* mtdpart: Fix misdocumented function parameter 'mtd'
MTD devices:
* phram:
- Allow the user to set the erase page size
- File headers are not good candidates for kernel-doc
* physmap-bt1-rom: Fix __iomem addrspace removal warning
* plat-ram: correctly free memory on error path in platram_probe()
* powernv_flash: Add function names to headers and fix 'dev'
* docg3: Fix kernel-doc 'bad line' and 'excessive doc' issues
UBI cleanup fixes:
* gluebi: Fix misnamed function parameter documentation
* wl: Fix a couple of kernel-doc issues
* eba: Fix a couple of misdocumentation issues
* kapi: Correct documentation for 'ubi_leb_read_sg's 'sgl' parameter
* Document 'ubi_num' in struct mtd_dev_param
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:
* Arasan: Document 'anfc_op's 'buf' member
* AU1550: Ensure the presence of the right includes
* Brcmnand: Demote non-conformant kernel-doc headers
* Cafe: Remove superfluous param doc and add another
* Davinci: Do not use extra dereferencing
* Diskonchip: Marking unused variables as __always_unused
* 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
* Omap:
- Fix a bunch of kernel-doc misdemeanours
- Finish ELM half populated function header, demote empty ones
* s3c2410: Add documentation for 2 missing struct members
* Sunxi: Document 'sunxi_nfc's 'caps' member
* 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
ONENAND:
* bbt: Fix expected kernel-doc formatting
* Fix some kernel-doc misdemeanours
* Fix expected kernel-doc formatting
* Use mtd->oops_panic_write as condition
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
* Toshiba: Demote non-conformant kernel-doc header
SPI-NOR core:
* 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
* hisi-sfc: Demote non-conformant kernel-doc
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Merge tag 'mtd/for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD core:
- Fix refcounting for unpartitioned MTDs
- Fix misspelled function parameter 'section'
- Remove unneeded break
- cmdline parser: Fix parsing of part-names with colons
- mtdpart: Fix misdocumented function parameter 'mtd'
MTD devices:
- phram:
- Allow the user to set the erase page size
- File headers are not good candidates for kernel-doc
- physmap-bt1-rom: Fix __iomem addrspace removal warning
- plat-ram: correctly free memory on error path in platram_probe()
- powernv_flash: Add function names to headers and fix 'dev'
- docg3: Fix kernel-doc 'bad line' and 'excessive doc' issues
UBI cleanup fixes:
- gluebi: Fix misnamed function parameter documentation
- wl: Fix a couple of kernel-doc issues
- eba: Fix a couple of misdocumentation issues
- kapi: Correct documentation for 'ubi_leb_read_sg's 'sgl' parameter
- Document 'ubi_num' in struct mtd_dev_param
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:
- Arasan: Document 'anfc_op's 'buf' member
- AU1550: Ensure the presence of the right includes
- Brcmnand: Demote non-conformant kernel-doc headers
- Cafe: Remove superfluous param doc and add another
- Davinci: Do not use extra dereferencing
- Diskonchip: Marking unused variables as __always_unused
- 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
- Omap:
- Fix a bunch of kernel-doc misdemeanours
- Finish ELM half populated function header, demote empty ones
- s3c2410: Add documentation for 2 missing struct members
- Sunxi: Document 'sunxi_nfc's 'caps' member
- 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
ONENAND:
- bbt: Fix expected kernel-doc formatting
- Fix some kernel-doc misdemeanours
- Fix expected kernel-doc formatting
- Use mtd->oops_panic_write as condition
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
- Toshiba: Demote non-conformant kernel-doc header
SPI-NOR core:
- 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
- hisi-sfc: Demote non-conformant kernel-doc"
* tag 'mtd/for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (120 commits)
mtd: spinand: macronix: Add support for MX35LFxG24AD
mtd: rawnand: rockchip: NFC driver for RK3308, RK2928 and others
dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller
mtd: rawnand: gpmi: Use a single line for of_device_id
mtd: rawnand: gpmi: Fix the random DMA timeout issue
mtd: rawnand: gpmi: Fix the driver only sense CS0 R/B issue
mtd: rawnand: qcom: Add NAND controller support for SDX55
dt-bindings: qcom_nandc: Add SDX55 QPIC NAND documentation
mtd: rawnand: mxc: Use a single line for of_device_id
mtd: rawnand: mxc: Use device_get_match_data()
mtd: rawnand: meson: Fix a resource leak in init
mtd: rawnand: gpmi: Use of_device_get_match_data()
mtd: rawnand: Add NAND controller support on Intel LGM SoC
dt-bindings: mtd: Add Nand Flash Controller support for Intel LGM SoC
mtd: spinand: micron: Add support for MT29F2G01AAAED
mtd: spinand: micron: Use more specific names
mtd: rawnand: gpmi: fix reference count leak in gpmi ops
dt-bindings: mtd: gpmi-nand: Fix matching of clocks on different SoCs
mtd: spinand: macronix: Add support for MX35LFxGE4AD
mtd: plat-ram: correctly free memory on error path in platram_probe()
...
- 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
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mergetag object ee4e0eafa4
type commit
tag nand/for-5.11
tagger Miquel Raynal <miquel.raynal@bootlin.com> 1608042580 +0100
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()
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Merge tags 'spi-nor/for-5.11' and 'nand/for-5.11' into mtd/next
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()
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: d525914b5b ("mtd: rawnand: xway: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-10-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: b36bf0a0fe ("mtd: rawnand: socrates: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-9-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: 612e048e6a ("mtd: rawnand: plat_nand: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-8-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: 8fc6f1f042 ("mtd: rawnand: pasemi: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-7-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Reported-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Fixes: 553508cec2 ("mtd: rawnand: orion: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-6-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: 6dd09f775b ("mtd: rawnand: mpc5121: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-5-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: f6341f6448 ("mtd: rawnand: gpio: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-4-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: dbffc8ccdf ("mtd: rawnand: au1550: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-3-miquel.raynal@bootlin.com
Originally, commit d7157ff49a ("mtd: rawnand: Use the ECC framework
user input parsing bits") kind of broke the logic around the
initialization of several ECC engines.
Unfortunately, the fix (which indeed moved the ECC initialization to
the right place) did not take into account the fact that a different
ECC algorithm could have been used thanks to a DT property,
considering the "Hamming" algorithm entry a configuration while it was
only a default.
Add the necessary logic to be sure Hamming keeps being only a default.
Fixes: 59d9347332 ("mtd: rawnand: ams-delta: Move the ECC initialization to ->attach_chip()")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201203190340.15522-2-miquel.raynal@bootlin.com
The Macronix MX35LF1G24AD(/2G24AD/4G24AD) are 3V, 1G/2G/4Gbit serial
SLC NAND flash device (without on-die ECC).
Validated by read, erase, read back, write, read back on Xilinx Zynq
PicoZed FPGA board which included Macronix SPI Host(drivers/spi/spi-mxic.c)
& S/W BCH ecc(drivers/mtd/nand/ecc-sw-bch.c) with bug fixing patch
(mtd: nand: ecc-bch: Fix the size of calc_buf/code_buf of the BCH).
Signed-off-by: YouChing Lin <ycllin@mxic.com.tw>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1607570529-22341-3-git-send-email-ycllin@mxic.com.tw
This driver supports Rockchip NFC (NAND Flash Controller) found on RK3308,
RK2928, RKPX30, RV1108 and other SOCs. The driver has been tested using
8-bit NAND interface on the ARM based RK3308 platform.
Support Rockchip SoCs and NFC versions:
- PX30 and RK3326(NFCv900).
ECC: 16/40/60/70 bits/1KB.
CLOCK: ahb and nfc.
- RK3308 and RV1108(NFCv800).
ECC: 16 bits/1KB.
CLOCK: ahb and nfc.
- RK3036 and RK3128(NFCv622).
ECC: 16/24/40/60 bits/1KB.
CLOCK: ahb and nfc.
- RK3066, RK3188 and RK2928(NFCv600).
ECC: 16/24/40/60 bits/1KB.
CLOCK: ahb.
Supported features:
- Read full page data by DMA.
- Support HW ECC(one step is 1KB).
- Support 2 - 32K page size.
- Support 8 CS(depend on SoCs)
Limitations:
- No support for the ecc step size is 512.
- Untested on some SoCs.
- No support for subpages.
- No support for the builtin randomizer.
- The original bad block mask is not supported. It is recommended to use
the BBT(bad block table).
Suggested-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201210002134.5686-3-yifeng.zhao@rock-chips.com
Set the GPMI CTRL1 GANGED_RDYBUSY bit so driver can sense the R/B signal
from all CS.
For the NAND chip MT29F64G08AFAAAWP, only the first chip detected
without the patch.
[ 3.764118] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0x68
[ 3.770613] nand: Micron MT29F64G08AFAAAWP
[ 3.774752] nand: 4096 MiB, SLC, erase size: 1024 KiB, page size: 8192, OOB size: 448
[ 3.786421] Bad block table found at page 524160, version 0x01
[ 3.792730] Bad block table found at page 524032, version 0x01
After applying the patch
[ 3.764445] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0x68
[ 3.770941] nand: Micron MT29F64G08AFAAAWP
[ 3.775080] nand: 4096 MiB, SLC, erase size: 1024 KiB, page size: 8192, OOB size: 448
[ 3.784390] nand: 2 chips detected
[ 3.790900] Bad block table found at page 524160, version 0x01
[ 3.796776] Bad block table found at page 1048448, version 0x01
Signed-off-by: Han Xu <han.xu@nxp.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201209035104.22679-2-han.xu@nxp.com
SDX55 uses QPIC version 2.0.0 IP for the NAND controller support.
In this version, DEV_CMD_* registers are moved to operational state,
hence CPU access in BAM mode is restricted. So, skip accessing these
registers and also use a different config for reading ONFI parameters.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201126085705.48399-3-manivannan.sadhasivam@linaro.org
Call clk_disable_unprepare(nfc->phase_rx) if the clk_set_rate() function
fails to avoid a resource leak.
Fixes: 8fae856c53 ("mtd: rawnand: meson: add support for Amlogic NAND flash controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/X8ikVCnUsfTpffFB@mwanda
The retrieval of driver data via of_device_get_match_data() can make
the code simpler.
Use of_device_get_match_data() to simplify the code.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201126030946.2058-1-festevam@gmail.com
This patch adds the new IP of Nand Flash Controller(NFC) support
on Intel's Lightning Mountain(LGM) SoC.
DMA is used for burst data transfer operation, also DMA HW supports
aligned 32bit memory address and aligned data access by default.
DMA burst of 8 supported. Data register used to support the read/write
operation from/to device.
Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@linux.intel.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201110012333.18647-3-vadivel.muruganx.ramuthevar@linux.intel.com
pm_runtime_get_sync() will increment pm usage at first and it
will resume the device later. If runtime of the device has
error or device is in inaccessible state(or other error state),
resume operation will fail. If we do not call put operation to
decrease the reference, it will result in reference leak in
the two functions(gpmi_init and gpmi_nfc_exec_op). Moreover,
this device cannot enter the idle state and always stay busy or
other non-idle state later. So we fixed it through adding
pm_runtime_put_noidle.
Fixes: 5bc6bb603b ("mtd: rawnand: gpmi: Fix suspend/resume problem")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Acked-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201107110552.1568742-1-zhangqilong3@huawei.com
struct mtd_info has a flag oops_panic_write which is set when the write
operation is issued via the panic_write() callback. That allows controller
drivers to distinguish the panic write from a regular write.
Replace the open coded 'in_interrupt() | oops_in_progress' checks with a
check for that flag. in_interrupt() is an unrealiable indicator anyway as
it covers all sorts of atomic contexts not only hard and soft interrupt
service routines.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Tudor Ambarus <tudor.ambarus@microchip.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Cc: linux-mtd@lists.infradead.org
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113141422.2214771-1-bigeasy@linutronix.de
While working a bit on this driver I dropped the platform includes and
commented a few lines just to verify the correctness of my changes. It
appeared the following:
drivers/mtd/nand/raw/au1550nd.c: In function ‘au1550nd_waitrdy’:
drivers/mtd/nand/raw/au1550nd.c:130:3: error: implicit declaration of function ‘usleep_range’ [-Werror=implicit-function-declaration]
usleep_range(10, 100);
^~~~~~~~~~~~
drivers/mtd/nand/raw/au1550nd.c: In function ‘au1550nd_exec_instr’:
drivers/mtd/nand/raw/au1550nd.c:188:3: error: implicit declaration of function ‘ndelay’ [-Werror=implicit-function-declaration]
ndelay(instr->delay_ns);
^~~~~~
I think the delay.h header should be included in this file and not
come from one of its platform includes, so let's add it here.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113124021.32675-1-miquel.raynal@bootlin.com
The NAND ECC core is included in the generic NAND core when it is
compiled in.
Different software ECC engines drivers will select the NAND ECC core
and thus also have a dependency on the NAND core. Using a "depends on"
between the two leads to possible cases (not real cases, but created
by robots) where one is still unselected because of the "select does
not verifies depends on" game:
WARNING: unmet direct dependencies detected for MTD_NAND_ECC
Depends on [n]: MTD [=m] && MTD_NAND_CORE [=n]
Selected by [m]:
- MTD_NAND_ECC_SW_HAMMING [=y] && MTD [=m]
- MTD_NAND_ECC_SW_BCH [=y] && MTD [=m]
Fix this by using a select instead.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/linux-mtd/20201113123945.32592-1-miquel.raynal@bootlin.com
i.MX is a devicetree-only platform now and the existing platform data
support in this driver was only useful for old non-devicetree platforms.
Get rid of the platform data support since it is no longer used.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201110121908.19400-1-festevam@gmail.com
of_find_device_by_node() already takes a reference to the device, and
ingenic_ecc_release() will drop the reference. So, the get_device() in
ingenic_ecc_get() is redundand.
Fixes: 15de8c6efd0e("mtd: rawnand: ingenic: Separate top-level and SoC specific code")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201031105439.2304211-1-yukuai3@huawei.com
This code has been written in 2008 and is fine, but in order to keep
robots happy, I think it's time to change a little bit this code just
to clarify the different possible values of eccsize_mult. Indeed, this
variable may only take the value 1 or 2 because step_size, in the case
of the software Hamming ECC engine may only be 256 or 512. Depending
on the value of eccsize_mult, an extra rp17 variable is set, or not
and triggers the following warning:
smatch warnings:
ecc_sw_hamming_calculate() error: uninitialized symbol 'rp17'.
As highlighted by Dan Carpenter, if the only possible values for
eccsize_mult are 1 and 2, then the code is fine, but "it's hard to
tell just from looking".
So instead of shifting step_size, let's use a ternary condition to
assign to eccsize_mult the only two possible values and clarify the
driver's logic.
Now that the situation is clarified for humans, ensure rp17 is
initialized to 0 to keep compilers and robots silent as well.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201030172333.28390-1-miquel.raynal@bootlin.com
This patch enables NAND MDMA (MBUS DMA) mode for
the Allwinner SoCs A23/A33/H3.
The DMA transfer method gets sets now to MBUS DMA as default for
the sun8i-a23-nand-controller (till now DMA transfer was executed
via the shared DMA engine).
The main advantage is more bandwidth for the users of the shared DMA
engine and also that the MBUS DMA setup requires less configuration
effort. For example you don't need to define a dedicated DMA channel
in the device-tree any more.
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Manuel Dipolt <manuel.dipolt@robart.cc>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/154840787.280672.1602517282173.JavaMail.zimbra@robart.cc
After each codeword NAND_FLASH_STATUS is read for possible operational
failures. But there is no DMA sync for CPU operation before reading it
and this leads to incorrect or older copy of DMA buffer in reg_read_buf.
This patch adds the DMA sync on reg_read_buf for CPU before reading it.
Fixes: 5bc36b2bf6 ("mtd: rawnand: qcom: check for operation errors in case of raw read")
Cc: stable@vger.kernel.org
Signed-off-by: Praveenkumar I <ipkumar@codeaurora.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1602230872-25616-1-git-send-email-ipkumar@codeaurora.org
Even if this is not supposed to happen, there is no reason to fail the
probe if it was explicitly requested to use no ECC engine at all (for
instance, during development). This condition is met by just
commenting out the error on the OOB free bytes count after the
assignation of an ECC engine if none was provided (any other situation
would error out much earlier anyway).
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201001102014.20100-5-miquel.raynal@bootlin.com
Now that all the logic is available in the NAND core, let's use it
from the SPI-NAND core. Right now there is no functional change as the
default ECC engine for SPI-NANDs is set to 'on-die', but user can now
use software correction if they want to by just setting the right
properties in the DT.
Also note that the OOB layout handling is removed from the SPI-NAND
core as each ECC engine is supposed to handle it by it's own; users
should not be aware of that.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201001102014.20100-4-miquel.raynal@bootlin.com
Add the logic in the NAND core to find the right ECC engine depending
on the NAND chip requirements and the user desires. Right now, the
choice may be made between (more will come):
* software Hamming
* software BCH
* on-die (SPI-NAND devices only)
Once the ECC engine has been found, the ECC engine must be
configured.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201001102014.20100-2-miquel.raynal@bootlin.com
The SPI-NAND layer default is on-die ECC because until now it was the
only one supported. New SPI-NAND chip flavors might use something else
as ECC engine provider but this will always be the default if the user
does not choose explicitly something else.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200930154109.3922-6-miquel.raynal@bootlin.com
Make use of the existing functions taken from the SPI-NAND core to
instantiate an on-die ECC engine specific to the SPI-NAND core. The
next step will be to tweak the core to use this object instead of
calling the helpers directly.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200930154109.3922-4-miquel.raynal@bootlin.com
Prepare the creation of a SPI-NAND on-die ECC engine by gathering the
ECC-related code earlier enough in the core to avoid the need for
forward declarations.
The next step is to actually create that engine by implementing the
generic ECC interface.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200930154109.3922-3-miquel.raynal@bootlin.com
This code is meant to be reused by the SPI-NAND core. Now that the
driver has been cleaned and reorganized, use a generic ECC engine
object to store the driver's data instead of accessing members of the
nand_chip structure. This means adding proper init/cleanup helpers.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-17-miquel.raynal@bootlin.com
Prefix by ecc_sw_hamming_ the functions which should be internal only
but are exported for "raw" operations.
Prefix by nand_ecc_sw_hamming_ the other functions which will be used
in the context of the declaration of an Hamming proper ECC engine
object.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-16-miquel.raynal@bootlin.com
Some functions should never have been exported (the ones prefixed by
__*), in this case simply drop the documentation, we never want
anybody to use this function from the outside.
For the other functions, enhance the style.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-14-miquel.raynal@bootlin.com
The include file pretends being the header for "ECC algorithm", while
it is just the header for the Hamming implementation. Make this clear
by rewording the sentence.
Do the same with the module description.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-13-miquel.raynal@bootlin.com
nand_ecc_ctrl embeds a private pointer which only has a meaning in the
sunxi driver. This structure will soon be deprecated, but as this
field is actually not needed, let's just drop it.
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-11-miquel.raynal@bootlin.com
Let's continue introducing the generic ECC engine abstraction in the
NAND subsystem by instantiating a first ECC engine: the software
BCH one.
While at it, make a very tidy ecc_sw_bch_init() function and move all
the sanity checks and user input management in
nand_ecc_sw_bch_init_ctx(). This second helper will be called from the
raw RAND core.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-10-miquel.raynal@bootlin.com
This code is meant to be reused by the SPI-NAND core. Now that the
driver has been cleaned and reorganized, use a generic ECC engine
object to store the driver's data instead of accessing members of the
nand_chip structure.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-9-miquel.raynal@bootlin.com
These functions must be usable by the main NAND core, so their names
must be technology-agnostic as well as the parameters. Hence, we pass
a generic nand_device instead of a raw nand_chip structure.
As it seems that changing the raw NAND functions to always pass a
generic NAND device is a lost of time, we prefer to create dedicated
raw NAND wrappers that will be useful in the near future to do the
translation.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-8-miquel.raynal@bootlin.com
The NAND BCH control structure has nothing to do outside of this
driver, all users of the nand_bch_init/free() functions just save it
to chip->ecc.priv so do it in this driver directly and return a
regular error code instead.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-5-miquel.raynal@bootlin.com
Currently, BCH and Hamming engine are sharing the same
tweaking/restoring I/O mechanism: they need the I/O request to fully
cover the main/OOB area. Let's make this code generic as sharing the
code between two drivers is already a win. Maybe other ECC engine
drivers will need it too.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-2-miquel.raynal@bootlin.com
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/onenand/onenand_base.c:140: warning: Function parameter or member 'mtd' not described in 'onenand_ooblayout_32_64_ecc'
drivers/mtd/nand/onenand/onenand_base.c:140: warning: Function parameter or member 'section' not described in 'onenand_ooblayout_32_64_ecc'
drivers/mtd/nand/onenand/onenand_base.c:140: warning: Function parameter or member 'oobregion' not described in 'onenand_ooblayout_32_64_ecc'
drivers/mtd/nand/onenand/onenand_base.c:1436: warning: bad line:
drivers/mtd/nand/onenand/onenand_base.c:1971: warning: Function parameter or member 'ops' not described in 'onenand_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:1971: warning: Excess function parameter 'len' description in 'onenand_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:1971: warning: Excess function parameter 'retlen' description in 'onenand_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:1971: warning: Excess function parameter 'buf' description in 'onenand_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:1971: warning: Excess function parameter 'mode' description in 'onenand_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:2156: warning: Function parameter or member 'block_size' not described in 'onenand_multiblock_erase'
drivers/mtd/nand/onenand/onenand_base.c:2156: warning: Excess function parameter 'region' description in 'onenand_multiblock_erase'
drivers/mtd/nand/onenand/onenand_base.c:2771: warning: Function parameter or member 'ops' not described in 'onenand_otp_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:2771: warning: Excess function parameter 'len' description in 'onenand_otp_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:2771: warning: Excess function parameter 'retlen' description in 'onenand_otp_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:2771: warning: Excess function parameter 'buf' description in 'onenand_otp_write_oob_nolock'
drivers/mtd/nand/onenand/onenand_base.c:3387: warning: Function parameter or member 'mtd' not described in 'flexonenand_get_boundary'
drivers/mtd/nand/onenand/onenand_base.c:3387: warning: Excess function parameter 'onenand_info' description in 'flexonenand_get_boundary'
drivers/mtd/nand/onenand/onenand_base.c:3509: warning: Function parameter or member 'mtd' not described in 'flexonenand_check_blocks_erased'
drivers/mtd/nand/onenand/onenand_base.c:3509: warning: Excess function parameter 'mtd_info' description in 'flexonenand_check_blocks_erased'
drivers/mtd/nand/onenand/onenand_base.c:3557: warning: Function parameter or member 'die' not described in 'flexonenand_set_boundary'
drivers/mtd/nand/onenand/onenand_base.c:3557: warning: Function parameter or member 'boundary' not described in 'flexonenand_set_boundary'
drivers/mtd/nand/onenand/onenand_base.c:3557: warning: Function parameter or member 'lock' not described in 'flexonenand_set_boundary'
Cc: Kyungmin Park <kyungmin.park@samsung.com>
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: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-23-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/arasan-nand-controller.c:133: warning: Function parameter or member 'buf' not described in 'anfc_op'
Cc: Naga Sureshkumar Relli <nagasure@xilinx.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Choudary Kalluri <punnaia@xilinx.com>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-22-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/sunxi_nand.c:250: warning: Function parameter or member 'caps' not described in 'sunxi_nfc'
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Boris BREZILLON <b.brezillon.dev@gmail.com>
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Dmitriy B <rzk333@gmail.com>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-21-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/omap2.c:191: warning: Function parameter or member 'info' not described in 'omap_prefetch_enable'
drivers/mtd/nand/raw/omap2.c:221: warning: Function parameter or member 'cs' not described in 'omap_prefetch_reset'
drivers/mtd/nand/raw/omap2.c:221: warning: Function parameter or member 'info' not described in 'omap_prefetch_reset'
drivers/mtd/nand/raw/omap2.c:946: warning: Function parameter or member 'chip' not described in 'omap_enable_hwecc'
drivers/mtd/nand/raw/omap2.c:946: warning: Excess function parameter 'mtd' description in 'omap_enable_hwecc'
drivers/mtd/nand/raw/omap2.c:1017: warning: Function parameter or member 'chip' not described in 'omap_dev_ready'
drivers/mtd/nand/raw/omap2.c:1017: warning: Excess function parameter 'mtd' description in 'omap_dev_ready'
drivers/mtd/nand/raw/omap2.c:1036: warning: Function parameter or member 'chip' not described in 'omap_enable_hwecc_bch'
drivers/mtd/nand/raw/omap2.c:1036: warning: Excess function parameter 'mtd' description in 'omap_enable_hwecc_bch'
drivers/mtd/nand/raw/omap2.c:1142: warning: Function parameter or member 'ecc_calc' not described in '_omap_calculate_ecc_bch'
drivers/mtd/nand/raw/omap2.c:1142: warning: Excess function parameter 'ecc_code' description in '_omap_calculate_ecc_bch'
drivers/mtd/nand/raw/omap2.c:1270: warning: Function parameter or member 'ecc_calc' not described in 'omap_calculate_ecc_bch_sw'
drivers/mtd/nand/raw/omap2.c:1270: warning: Excess function parameter 'ecc_code' description in 'omap_calculate_ecc_bch_sw'
drivers/mtd/nand/raw/omap2.c:1284: warning: Function parameter or member 'ecc_calc' not described in 'omap_calculate_ecc_bch_multi'
drivers/mtd/nand/raw/omap2.c:1284: warning: Excess function parameter 'ecc_code' description in 'omap_calculate_ecc_bch_multi'
drivers/mtd/nand/raw/omap2.c:1681: warning: Function parameter or member 'info' not described in 'is_elm_present'
drivers/mtd/nand/raw/omap2.c:1681: warning: Function parameter or member 'elm_node' not described in 'is_elm_present'
drivers/mtd/nand/raw/omap2.c:1681: warning: Excess function parameter 'omap_nand_info' description in 'is_elm_present'
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Jian Zhang <jzhang@ti.com>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-20-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/omap_elm.c:102: warning: Function parameter or member 'ecc_steps' not described in 'elm_config'
drivers/mtd/nand/raw/omap_elm.c:102: warning: Function parameter or member 'ecc_step_size' not described in 'elm_config'
drivers/mtd/nand/raw/omap_elm.c:102: warning: Function parameter or member 'ecc_syndrome_size' not described in 'elm_config'
drivers/mtd/nand/raw/omap_elm.c:440: warning: Function parameter or member 'info' not described in 'elm_context_save'
drivers/mtd/nand/raw/omap_elm.c:488: warning: Function parameter or member 'info' not described in 'elm_context_restore'
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: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-19-lee.jones@linaro.org
Correct 'controller' typo while we're at it.
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/s3c2410.c:172: warning: Function parameter or member 'controller' not described in 's3c2410_nand_info'
drivers/mtd/nand/raw/s3c2410.c:172: warning: Function parameter or member 'freq_transition' not described in 's3c2410_nand_info'
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: linux-mtd@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-18-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/cafe_nand.c:372: warning: Function parameter or member 'page' not described in 'cafe_nand_read_page'
drivers/mtd/nand/raw/cafe_nand.c:372: warning: Excess function parameter 'mtd' description in 'cafe_nand_read_page'
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-17-lee.jones@linaro.org
'dummy' is never checked (as per the nomenclature) and the use of
'emtpymatch' is currently #if 0'ed out. We could also #if 0 the
declaration, but #ifery is pretty ugly, so I like to keep it to a
minimum.
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/diskonchip.c: In function ‘DoC_Delay’:
drivers/mtd/nand/raw/diskonchip.c:219:16: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable]
drivers/mtd/nand/raw/diskonchip.c: In function ‘doc200x_calculate_ecc’:
drivers/mtd/nand/raw/diskonchip.c:706:6: warning: variable ‘emptymatch’ set but not used [-Wunused-but-set-variable]
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Cc: Dan Brown <dan_brown@ieee.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-16-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1854: warning: Function parameter or member 'host' not described in 'brcmnand_edu_trans'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1854: warning: Function parameter or member 'addr' not described in 'brcmnand_edu_trans'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1854: warning: Function parameter or member 'buf' not described in 'brcmnand_edu_trans'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1854: warning: Function parameter or member 'len' not described in 'brcmnand_edu_trans'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1854: warning: Function parameter or member 'cmd' not described in 'brcmnand_edu_trans'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'host' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'desc' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'addr' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'buf' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'len' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'dma_cmd' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'begin' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'end' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1951: warning: Function parameter or member 'next_desc' not described in 'brcmnand_fill_dma_desc'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1977: warning: Function parameter or member 'host' not described in 'brcmnand_dma_run'
drivers/mtd/nand/raw/brcmnand/brcmnand.c:1977: warning: Function parameter or member 'desc' not described in 'brcmnand_dma_run'
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Kamal Dasu <kdasu.kdev@gmail.com>
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
Cc: bcm-kernel-feedback-list@broadcom.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-14-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/spi/toshiba.c:36: warning: Function parameter or member 'write_cache_variants' not described in 'SPINAND_OP_VARIANTS'
drivers/mtd/nand/spi/toshiba.c:36: warning: Function parameter or member '0' not described in 'SPINAND_OP_VARIANTS'
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Yoshio Furuyama <ytc-mb-yfuruyama7@kioxia.com>
Cc: Frieder Schrempf <frieder.schrempf@kontron.de>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-10-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/onenand/onenand_bbt.c:33: warning: Function parameter or member 'buf' not described in 'check_short_pattern'
drivers/mtd/nand/onenand/onenand_bbt.c:33: warning: Function parameter or member 'len' not described in 'check_short_pattern'
drivers/mtd/nand/onenand/onenand_bbt.c:33: warning: Function parameter or member 'paglen' not described in 'check_short_pattern'
drivers/mtd/nand/onenand/onenand_bbt.c:33: warning: Function parameter or member 'td' not described in 'check_short_pattern'
drivers/mtd/nand/onenand/onenand_bbt.c:57: warning: Function parameter or member 'mtd' not described in 'create_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:57: warning: Function parameter or member 'buf' not described in 'create_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:57: warning: Function parameter or member 'bd' not described in 'create_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:57: warning: Function parameter or member 'chip' not described in 'create_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:132: warning: Function parameter or member 'mtd' not described in 'onenand_memory_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:132: warning: Function parameter or member 'bd' not described in 'onenand_memory_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:145: warning: Function parameter or member 'mtd' not described in 'onenand_isbad_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:145: warning: Function parameter or member 'offs' not described in 'onenand_isbad_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:145: warning: Function parameter or member 'allowbbt' not described in 'onenand_isbad_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:182: warning: Function parameter or member 'mtd' not described in 'onenand_scan_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:182: warning: Function parameter or member 'bd' not described in 'onenand_scan_bbt'
drivers/mtd/nand/onenand/onenand_bbt.c:230: warning: Function parameter or member 'mtd' not described in 'onenand_default_bbt'
Cc: Kyungmin Park <kyungmin.park@samsung.com>
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: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-7-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/mtd/nand/onenand/onenand_base.c:140: warning: Function parameter or member 'mtd' not described in 'onenand_ooblayout_32_64_ecc'
drivers/mtd/nand/onenand/onenand_base.c:140: warning: Function parameter or member 'section' not described in 'onenand_ooblayout_32_64_ecc'
drivers/mtd/nand/onenand/onenand_base.c:140: warning: Function parameter or member 'oobregion' not described in 'onenand_ooblayout_32_64_ecc'
drivers/mtd/nand/onenand/onenand_base.c:200: warning: Function parameter or member 'addr' not described in 'onenand_readw'
drivers/mtd/nand/onenand/onenand_base.c:212: warning: Function parameter or member 'value' not described in 'onenand_writew'
drivers/mtd/nand/onenand/onenand_base.c:212: warning: Function parameter or member 'addr' not described in 'onenand_writew'
drivers/mtd/nand/onenand/onenand_base.c:225: warning: Function parameter or member 'this' not described in 'onenand_block_address'
drivers/mtd/nand/onenand/onenand_base.c:225: warning: Function parameter or member 'block' not described in 'onenand_block_address'
drivers/mtd/nand/onenand/onenand_base.c:242: warning: Function parameter or member 'this' not described in 'onenand_bufferram_address'
drivers/mtd/nand/onenand/onenand_base.c:242: warning: Function parameter or member 'block' not described in 'onenand_bufferram_address'
NB: Snipped 200 lines for brevity.
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Adrian Hunter <ext-adrian.hunter@nokia.com>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201109182206.3037326-4-lee.jones@linaro.org
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-20-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-18-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-17-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-16-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-15-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-14-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-13-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-12-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: Sylvain Lemieux <slemieux.tyco@gmail.com>
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: Sylvain Lemieux <slemieux.tyco@gmail.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-10-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-8-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-7-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-5-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip().
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-4-miquel.raynal@bootlin.com
The probe function is only supposed to initialize the controller
hardware but not the ECC engine. Indeed, we don't know anything about
the NAND chip(s) at this stage. Let's move the logic initializing the
ECC engine, even pretty simple, to the ->attach_chip() hook which gets
called during nand_scan() routine, after the NAND chip discovery. As
the previously mentioned logic is supposed to parse the DT for us, it
is likely that the chip->ecc.* entries be overwritten. So let's avoid
this by moving these lines to ->attach_chip(), a NAND controller
hook.
Fixes: d7157ff49a ("mtd: rawnand: Use the ECC framework user input parsing bits")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123424.32233-3-miquel.raynal@bootlin.com
