<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/include/linux/mtd, branch v6.0-rc1</title>
<subtitle>Linux kernel for Apalis and Colibri modules</subtitle>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/'/>
<entry>
<title>Merge tag 'spi-nor/for-5.20' into mtd/next</title>
<updated>2022-08-01T19:31:22+00:00</updated>
<author>
<name>Richard Weinberger</name>
<email>richard@nod.at</email>
</author>
<published>2022-08-01T19:31:22+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=9661524b9b26a45ecb045d7d36f85e83d8021a86'/>
<id>9661524b9b26a45ecb045d7d36f85e83d8021a86</id>
<content type='text'>
SPI NOR core changes:
- move SECT_4K_PMC flag out of the core as it's a vendor specific flag
- s/addr_width/addr_nbytes: address width means the number of IO lines
  used for the address, whereas in the code it is used as the number of
  address bytes.
- do not change nor-&gt;addr_nbytes at SFDP parsing time. At the SFDP parsing
  time we should not change members of struct spi_nor, but instead fill
  members of struct spi_nor_flash_parameters which could later on be used
  by the callers.
- track flash's internal address mode so that we can use 4B opcodes
  together with opcodes that don't have a 4B opcode correspondent.

SPI NOR manufacturer drivers changes:
- esmt: Rename "f25l32qa" flash name to "f25l32qa-2s".
- micron-st: Skip FSR reading if SPI controller does not support it to
  allow flashes that support FSR to work even when attached to such SPI
  controllers.
- spansion: Add s25hl-t/s25hs-t IDs and fixups.
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
SPI NOR core changes:
- move SECT_4K_PMC flag out of the core as it's a vendor specific flag
- s/addr_width/addr_nbytes: address width means the number of IO lines
  used for the address, whereas in the code it is used as the number of
  address bytes.
- do not change nor-&gt;addr_nbytes at SFDP parsing time. At the SFDP parsing
  time we should not change members of struct spi_nor, but instead fill
  members of struct spi_nor_flash_parameters which could later on be used
  by the callers.
- track flash's internal address mode so that we can use 4B opcodes
  together with opcodes that don't have a 4B opcode correspondent.

SPI NOR manufacturer drivers changes:
- esmt: Rename "f25l32qa" flash name to "f25l32qa-2s".
- micron-st: Skip FSR reading if SPI controller does not support it to
  allow flashes that support FSR to work even when attached to such SPI
  controllers.
- spansion: Add s25hl-t/s25hs-t IDs and fixups.
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge remote-tracking branch 'korg_git/nand/next' into mtd/next</title>
<updated>2022-08-01T19:24:54+00:00</updated>
<author>
<name>Richard Weinberger</name>
<email>richard@nod.at</email>
</author>
<published>2022-08-01T19:24:54+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e8166841a6996ac837caa24ee0da9d3f1eaad7be'/>
<id>e8166841a6996ac837caa24ee0da9d3f1eaad7be</id>
<content type='text'>
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
</pre>
</div>
</content>
</entry>
<entry>
<title>mtd: spi-nor: s/addr_width/addr_nbytes</title>
<updated>2022-07-28T02:11:56+00:00</updated>
<author>
<name>Tudor Ambarus</name>
<email>tudor.ambarus@microchip.com</email>
</author>
<published>2022-07-25T09:24:59+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=c452d49849d48bd37ae97fc2bc92c6435707c35f'/>
<id>c452d49849d48bd37ae97fc2bc92c6435707c35f</id>
<content type='text'>
Address width was an unfortunate name, as it means the number of IO lines
used for the address, whereas in the code it is used as the number of
address bytes. s/addr_width/addr_nbytes throughout the entire SPI NOR
framework.

Signed-off-by: Tudor Ambarus &lt;tudor.ambarus@microchip.com&gt;
Reviewed-by: Michael Walle &lt;michael@walle.cc&gt;
Acked-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Link: https://lore.kernel.org/r/20220725092505.446315-2-tudor.ambarus@microchip.com
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Address width was an unfortunate name, as it means the number of IO lines
used for the address, whereas in the code it is used as the number of
address bytes. s/addr_width/addr_nbytes throughout the entire SPI NOR
framework.

Signed-off-by: Tudor Ambarus &lt;tudor.ambarus@microchip.com&gt;
Reviewed-by: Michael Walle &lt;michael@walle.cc&gt;
Acked-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Link: https://lore.kernel.org/r/20220725092505.446315-2-tudor.ambarus@microchip.com
</pre>
</div>
</content>
</entry>
<entry>
<title>mtd: hyperbus: Make hyperbus_unregister_device() return void</title>
<updated>2022-06-09T13:06:13+00:00</updated>
<author>
<name>Uwe Kleine-König</name>
<email>u.kleine-koenig@pengutronix.de</email>
</author>
<published>2022-06-03T21:07:45+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=0c90466a7985d39355f743e9cd2139da3e86c4d8'/>
<id>0c90466a7985d39355f743e9cd2139da3e86c4d8</id>
<content type='text'>
The only thing that could theoretically fail in that function is
mtd_device_unregister(). However it's not supposed to fail and when
used correctly it doesn't. So wail loudly if it does anyhow.

This matches how other drivers (e.g. nand/raw/nandsim.c) use
mtd_device_unregister().

This is a preparation for making platform remove callbacks return void.

Signed-off-by: Uwe Kleine-König &lt;u.kleine-koenig@pengutronix.de&gt;
Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
Link: https://lore.kernel.org/linux-mtd/20220603210758.148493-2-u.kleine-koenig@pengutronix.de
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The only thing that could theoretically fail in that function is
mtd_device_unregister(). However it's not supposed to fail and when
used correctly it doesn't. So wail loudly if it does anyhow.

This matches how other drivers (e.g. nand/raw/nandsim.c) use
mtd_device_unregister().

This is a preparation for making platform remove callbacks return void.

Signed-off-by: Uwe Kleine-König &lt;u.kleine-koenig@pengutronix.de&gt;
Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
Link: https://lore.kernel.org/linux-mtd/20220603210758.148493-2-u.kleine-koenig@pengutronix.de
</pre>
</div>
</content>
</entry>
<entry>
<title>mtd: spinand: Add support for ATO25D1GA</title>
<updated>2022-06-06T13:05:33+00:00</updated>
<author>
<name>Aidan MacDonald</name>
<email>aidanmacdonald.0x0@gmail.com</email>
</author>
<published>2022-06-04T11:32:50+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=fc602b4f692cb83c937b5f79628bca32b60c4402'/>
<id>fc602b4f692cb83c937b5f79628bca32b60c4402</id>
<content type='text'>
Add support for the ATO25D1GA SPI NAND flash.

Datasheet:
- https://atta.szlcsc.com/upload/public/pdf/source/20191212/C469320_04599D67B03B078044EB65FF5AEDDDE9.pdf

Signed-off-by: Aidan MacDonald &lt;aidanmacdonald.0x0@gmail.com&gt;
Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
Link: https://lore.kernel.org/linux-mtd/20220604113250.4745-1-aidanmacdonald.0x0@gmail.com
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Add support for the ATO25D1GA SPI NAND flash.

Datasheet:
- https://atta.szlcsc.com/upload/public/pdf/source/20191212/C469320_04599D67B03B078044EB65FF5AEDDDE9.pdf

Signed-off-by: Aidan MacDonald &lt;aidanmacdonald.0x0@gmail.com&gt;
Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
Link: https://lore.kernel.org/linux-mtd/20220604113250.4745-1-aidanmacdonald.0x0@gmail.com
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'mtd/for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux</title>
<updated>2022-05-24T21:31:29+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2022-05-24T21:31:29+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=d335371940179318df97d66baef13987ee6e796b'/>
<id>d335371940179318df97d66baef13987ee6e796b</id>
<content type='text'>
Pull mtd updates from Miquel Raynal:
 "MTD core changes:
   - Call of_platform_populate() for MTD partitions
   - Check devicetree alias for index
   - mtdoops:
      - Add a timestamp to the mtdoops header.
      - Create a header structure for the saved mtdoops.
      - Fix the size of the header read buffer.
   - mtdblock: Warn if opened on NAND
   - Bindings:
      - reserved-memory: Support MTD/block device
      - jedec,spi-nor: remove unneeded properties
      - Extend fixed-partitions binding
      - Add Sercomm (Suzhou) Corporation vendor prefix

  MTD driver changes:
   - st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
   - phram:
      - Allow cached mappings
      - Allow probing via reserved-memory
   - maps: ixp4xx: Drop driver
   - bcm47xxpart: Print correct offset on read error

  CFI driver changes:
   - Rename chip_ready variables
   - Add S29GL064N ID definition
   - Use chip_ready() for write on S29GL064N
   - Move and rename chip_check/chip_ready/chip_good_for_write

  NAND core changes:
   - Print offset instead of page number for bad blocks

  Raw NAND controller drivers:
   - Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
   - CS553X: simplify the return expression of cs553x_write_ctrl_byte()
   - Davinci: Remove redundant unsigned comparison to zero
   - Denali: Use managed device resources
   - GPMI:
      - Add large oob bch setting support
      - Rename the variable ecc_chunk_size
      - Uninline the gpmi_check_ecc function
      - Add strict ecc strength check
      - Refactor BCH geometry settings function
   - Intel: Fix possible null-ptr-deref in ebu_nand_probe()
   - MPC5121: Check before clk_disable_unprepare() not needed
   - Mtk:
      - MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
      - Also parse the default nand-ecc-engine property if available
      - Make mtk_ecc.c a separated module
   - OMAP ELM:
      - Convert the bindings to yaml
      - Describe the bindings for AM64 ELM
      - Add support for its compatible
   - Renesas: Use runtime PM instead of the raw clock API and update the
     bindings accordingly
   - Rockchip: Check before clk_disable_unprepare() not needed
   - TMIO: Check return value after calling platform_get_resource()

  Raw NAND chip driver:
   - Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00

  SPI-NAND chip drivers:
   - Gigadevice:
      - Add support for:
         - GD5FxGM7xExxG
         - GD5F{2,4}GQ5xExxG
         - GD5F1GQ5RExxG
         - GD5FxGQ4xExxG
      - Fix Quad IO for GD5F1GQ5UExxG
   - XTX: Add support for XT26G0xA

  SPI NOR core changes:
   - Read back written SR value to make sure the write was done
     correctly.
   - Introduce a common function for Read ID that manufacturer drivers
     can use to verify the Octal DTR switch worked correctly.
   - Add helpers for read/write any register commands so manufacturer
     drivers don't open code it every time.
   - Clarify rdsr dummy cycles documentation.
   - Add debugfs entry to expose internal flash parameters and state.

  SPI NOR manufacturer drivers changes:
   - Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
   - Move spi_nor_write_ear() to Winbond module since only Winbond
     flashes use it.
   - Rework Micron and Cypress Octal DTR enable methods to improve
     readability.
   - Use the common Read ID function to verify switch to Octal DTR mode
     for Micron and Cypress flashes.
   - Skip polling status on volatile register writes for Micron and
     Cypress flashes since the operation is instant"

* tag 'mtd/for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (68 commits)
  mtd: st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
  dt-bindings: mtd: partitions: Extend fixed-partitions binding
  dt-bindings: Add Sercomm (Suzhou) Corporation vendor prefix
  mtd: phram: Allow cached mappings
  mtd: call of_platform_populate() for MTD partitions
  mtd: rawnand: renesas: Use runtime PM instead of the raw clock API
  dt-bindings: mtd: renesas: Fix the NAND controller description
  mtd: rawnand: mpc5121: Check before clk_disable_unprepare() not needed
  mtd: rawnand: rockchip: Check before clk_disable_unprepare() not needed
  mtd: nand: MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
  mtd: rawnand: cs553x: simplify the return expression of cs553x_write_ctrl_byte()
  mtd: rawnand: kioxia: Add support for TH58NVG3S0HBAI4
  mtd: spi-nor: debugfs: fix format specifier
  mtd: spi-nor: support eon en25qh256a variant
  mtd: spi-nor: winbond: add support for W25Q512NW-IM
  mtd: spi-nor: expose internal parameters via debugfs
  mtd: spi-nor: export spi_nor_hwcaps_pp2cmd()
  mtd: spi-nor: move spi_nor_write_ear() to winbond module
  mtd: spi-nor: amend the rdsr dummy cycles documentation
  mtd: cfi_cmdset_0002: Rename chip_ready variables
  ...
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull mtd updates from Miquel Raynal:
 "MTD core changes:
   - Call of_platform_populate() for MTD partitions
   - Check devicetree alias for index
   - mtdoops:
      - Add a timestamp to the mtdoops header.
      - Create a header structure for the saved mtdoops.
      - Fix the size of the header read buffer.
   - mtdblock: Warn if opened on NAND
   - Bindings:
      - reserved-memory: Support MTD/block device
      - jedec,spi-nor: remove unneeded properties
      - Extend fixed-partitions binding
      - Add Sercomm (Suzhou) Corporation vendor prefix

  MTD driver changes:
   - st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
   - phram:
      - Allow cached mappings
      - Allow probing via reserved-memory
   - maps: ixp4xx: Drop driver
   - bcm47xxpart: Print correct offset on read error

  CFI driver changes:
   - Rename chip_ready variables
   - Add S29GL064N ID definition
   - Use chip_ready() for write on S29GL064N
   - Move and rename chip_check/chip_ready/chip_good_for_write

  NAND core changes:
   - Print offset instead of page number for bad blocks

  Raw NAND controller drivers:
   - Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
   - CS553X: simplify the return expression of cs553x_write_ctrl_byte()
   - Davinci: Remove redundant unsigned comparison to zero
   - Denali: Use managed device resources
   - GPMI:
      - Add large oob bch setting support
      - Rename the variable ecc_chunk_size
      - Uninline the gpmi_check_ecc function
      - Add strict ecc strength check
      - Refactor BCH geometry settings function
   - Intel: Fix possible null-ptr-deref in ebu_nand_probe()
   - MPC5121: Check before clk_disable_unprepare() not needed
   - Mtk:
      - MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
      - Also parse the default nand-ecc-engine property if available
      - Make mtk_ecc.c a separated module
   - OMAP ELM:
      - Convert the bindings to yaml
      - Describe the bindings for AM64 ELM
      - Add support for its compatible
   - Renesas: Use runtime PM instead of the raw clock API and update the
     bindings accordingly
   - Rockchip: Check before clk_disable_unprepare() not needed
   - TMIO: Check return value after calling platform_get_resource()

  Raw NAND chip driver:
   - Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00

  SPI-NAND chip drivers:
   - Gigadevice:
      - Add support for:
         - GD5FxGM7xExxG
         - GD5F{2,4}GQ5xExxG
         - GD5F1GQ5RExxG
         - GD5FxGQ4xExxG
      - Fix Quad IO for GD5F1GQ5UExxG
   - XTX: Add support for XT26G0xA

  SPI NOR core changes:
   - Read back written SR value to make sure the write was done
     correctly.
   - Introduce a common function for Read ID that manufacturer drivers
     can use to verify the Octal DTR switch worked correctly.
   - Add helpers for read/write any register commands so manufacturer
     drivers don't open code it every time.
   - Clarify rdsr dummy cycles documentation.
   - Add debugfs entry to expose internal flash parameters and state.

  SPI NOR manufacturer drivers changes:
   - Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
   - Move spi_nor_write_ear() to Winbond module since only Winbond
     flashes use it.
   - Rework Micron and Cypress Octal DTR enable methods to improve
     readability.
   - Use the common Read ID function to verify switch to Octal DTR mode
     for Micron and Cypress flashes.
   - Skip polling status on volatile register writes for Micron and
     Cypress flashes since the operation is instant"

* tag 'mtd/for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (68 commits)
  mtd: st_spi_fsm: add missing clk_disable_unprepare() in stfsm_remove()
  dt-bindings: mtd: partitions: Extend fixed-partitions binding
  dt-bindings: Add Sercomm (Suzhou) Corporation vendor prefix
  mtd: phram: Allow cached mappings
  mtd: call of_platform_populate() for MTD partitions
  mtd: rawnand: renesas: Use runtime PM instead of the raw clock API
  dt-bindings: mtd: renesas: Fix the NAND controller description
  mtd: rawnand: mpc5121: Check before clk_disable_unprepare() not needed
  mtd: rawnand: rockchip: Check before clk_disable_unprepare() not needed
  mtd: nand: MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
  mtd: rawnand: cs553x: simplify the return expression of cs553x_write_ctrl_byte()
  mtd: rawnand: kioxia: Add support for TH58NVG3S0HBAI4
  mtd: spi-nor: debugfs: fix format specifier
  mtd: spi-nor: support eon en25qh256a variant
  mtd: spi-nor: winbond: add support for W25Q512NW-IM
  mtd: spi-nor: expose internal parameters via debugfs
  mtd: spi-nor: export spi_nor_hwcaps_pp2cmd()
  mtd: spi-nor: move spi_nor_write_ear() to winbond module
  mtd: spi-nor: amend the rdsr dummy cycles documentation
  mtd: cfi_cmdset_0002: Rename chip_ready variables
  ...
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'nand/for-5.19' into mtd/next</title>
<updated>2022-05-20T11:59:25+00:00</updated>
<author>
<name>Miquel Raynal</name>
<email>miquel.raynal@bootlin.com</email>
</author>
<published>2022-05-20T11:59:25+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=2c51d0d88020b4d3c9bbe7d9df2796b2c2ce05b8'/>
<id>2c51d0d88020b4d3c9bbe7d9df2796b2c2ce05b8</id>
<content type='text'>
NAND core:
* Print offset instead of page number for bad blocks

Raw NAND controller drivers:
* Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
* CS553X: simplify the return expression of cs553x_write_ctrl_byte()
* Davinci: Remove redundant unsigned comparison to zero
* Denali: Use managed device resources
* GPMI:
  - Add large oob bch setting support
  - Rename the variable ecc_chunk_size
  - Uninline the gpmi_check_ecc function
  - Add strict ecc strength check
  - Refactor BCH geometry settings function
* Intel: Fix possible null-ptr-deref in ebu_nand_probe()
* MPC5121: Check before clk_disable_unprepare() not needed
* Mtk:
  - MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
  - Also parse the default nand-ecc-engine property if available
  - Make mtk_ecc.c a separated module
* OMAP ELM:
  - Convert the bindings to yaml
  - Describe the bindings for AM64 ELM
  - Add support for its compatible
* Renesas: Use runtime PM instead of the raw clock API and update the
           bindings accordingly
* Rockchip: Check before clk_disable_unprepare() not needed
* TMIO: Check return value after calling platform_get_resource()

Raw NAND chip driver:
* Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00

SPI-NAND chip drivers:
* Gigadevice:
  - Add support for:
    - GD5FxGM7xExxG
    - GD5F{2,4}GQ5xExxG
    - GD5F1GQ5RExxG
    - GD5FxGQ4xExxG
  - Fix Quad IO for GD5F1GQ5UExxG
* XTX: Add support for XT26G0xA

Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
NAND core:
* Print offset instead of page number for bad blocks

Raw NAND controller drivers:
* Cadence: Fix possible null-ptr-deref in cadence_nand_dt_probe()
* CS553X: simplify the return expression of cs553x_write_ctrl_byte()
* Davinci: Remove redundant unsigned comparison to zero
* Denali: Use managed device resources
* GPMI:
  - Add large oob bch setting support
  - Rename the variable ecc_chunk_size
  - Uninline the gpmi_check_ecc function
  - Add strict ecc strength check
  - Refactor BCH geometry settings function
* Intel: Fix possible null-ptr-deref in ebu_nand_probe()
* MPC5121: Check before clk_disable_unprepare() not needed
* Mtk:
  - MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK
  - Also parse the default nand-ecc-engine property if available
  - Make mtk_ecc.c a separated module
* OMAP ELM:
  - Convert the bindings to yaml
  - Describe the bindings for AM64 ELM
  - Add support for its compatible
* Renesas: Use runtime PM instead of the raw clock API and update the
           bindings accordingly
* Rockchip: Check before clk_disable_unprepare() not needed
* TMIO: Check return value after calling platform_get_resource()

Raw NAND chip driver:
* Kioxia: Add support for TH58NVG3S0HBAI4 and TC58NVG0S3HTA00

SPI-NAND chip drivers:
* Gigadevice:
  - Add support for:
    - GD5FxGM7xExxG
    - GD5F{2,4}GQ5xExxG
    - GD5F1GQ5RExxG
    - GD5FxGQ4xExxG
  - Fix Quad IO for GD5F1GQ5UExxG
* XTX: Add support for XT26G0xA

Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'spi-nor/for-5.19' into mtd/next</title>
<updated>2022-05-20T11:58:54+00:00</updated>
<author>
<name>Miquel Raynal</name>
<email>miquel.raynal@bootlin.com</email>
</author>
<published>2022-05-20T11:58:54+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e6828be5edcfea25cd70a2d1de41085c67ef9fa5'/>
<id>e6828be5edcfea25cd70a2d1de41085c67ef9fa5</id>
<content type='text'>
SPI NOR core changes:
- Read back written SR value to make sure the write was done correctly.
- Introduce a common function for Read ID that manufacturer drivers can
  use to verify the Octal DTR switch worked correctly.
- Add helpers for read/write any register commands so manufacturer
  drivers don't open code it every time.
- Clarify rdsr dummy cycles documentation.
- Add debugfs entry to expose internal flash parameters and state.

SPI NOR manufacturer drivers changes:
- Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
- Move spi_nor_write_ear() to Winbond module since only Winbond flashes
  use it.
- Rework Micron and Cypress Octal DTR enable methods to improve
  readability.
- Use the common Read ID function to verify switch to Octal DTR mode for
  Micron and Cypress flashes.
- Skip polling status on volatile register writes for Micron and Cypress
  flashes since the operation is instant.

Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
SPI NOR core changes:
- Read back written SR value to make sure the write was done correctly.
- Introduce a common function for Read ID that manufacturer drivers can
  use to verify the Octal DTR switch worked correctly.
- Add helpers for read/write any register commands so manufacturer
  drivers don't open code it every time.
- Clarify rdsr dummy cycles documentation.
- Add debugfs entry to expose internal flash parameters and state.

SPI NOR manufacturer drivers changes:
- Add support for Winbond W25Q512NW-IM, and Eon EN25QH256A.
- Move spi_nor_write_ear() to Winbond module since only Winbond flashes
  use it.
- Rework Micron and Cypress Octal DTR enable methods to improve
  readability.
- Use the common Read ID function to verify switch to Octal DTR mode for
  Micron and Cypress flashes.
- Skip polling status on volatile register writes for Micron and Cypress
  flashes since the operation is instant.

Signed-off-by: Miquel Raynal &lt;miquel.raynal@bootlin.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>mtd: spi-nor: expose internal parameters via debugfs</title>
<updated>2022-05-09T11:25:22+00:00</updated>
<author>
<name>Michael Walle</name>
<email>michael@walle.cc</email>
</author>
<published>2022-04-29T10:20:18+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=0257be79fc4a16a3252ce80aa13b3640f728c425'/>
<id>0257be79fc4a16a3252ce80aa13b3640f728c425</id>
<content type='text'>
There is no way to gather all information to verify support for a new
flash chip. Also if you want to convert an existing flash chip to the
new SFDP parsing, there is not enough information to determine if the
flash will work like before. To ease this development, expose internal
parameters via the debugfs.

Signed-off-by: Michael Walle &lt;michael@walle.cc&gt;
Signed-off-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Reviewed-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Link: https://lore.kernel.org/r/20220429102018.2361038-2-michael@walle.cc
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
There is no way to gather all information to verify support for a new
flash chip. Also if you want to convert an existing flash chip to the
new SFDP parsing, there is not enough information to determine if the
flash will work like before. To ease this development, expose internal
parameters via the debugfs.

Signed-off-by: Michael Walle &lt;michael@walle.cc&gt;
Signed-off-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Reviewed-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Link: https://lore.kernel.org/r/20220429102018.2361038-2-michael@walle.cc
</pre>
</div>
</content>
</entry>
<entry>
<title>mtd: spi-nor: move spi_nor_write_ear() to winbond module</title>
<updated>2022-05-02T09:12:00+00:00</updated>
<author>
<name>Michael Walle</name>
<email>michael@walle.cc</email>
</author>
<published>2022-04-29T10:01:53+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=94f697c5384bd7f9632acca483ba1ef9dd99ea97'/>
<id>94f697c5384bd7f9632acca483ba1ef9dd99ea97</id>
<content type='text'>
The "Extended Address Register" is winbond specific. If the flash is
larger than 16MiB and is used in 3 byte address mode, it is used to set
the remaining address bits. Move the write_ear() function, the opcode
macros and the spimem op template into the winbond module and rename
them accordingly.

Signed-off-by: Michael Walle &lt;michael@walle.cc&gt;
Signed-off-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Reviewed-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Link: https://lore.kernel.org/r/20220429100153.2338501-1-michael@walle.cc
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The "Extended Address Register" is winbond specific. If the flash is
larger than 16MiB and is used in 3 byte address mode, it is used to set
the remaining address bits. Move the write_ear() function, the opcode
macros and the spimem op template into the winbond module and rename
them accordingly.

Signed-off-by: Michael Walle &lt;michael@walle.cc&gt;
Signed-off-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Reviewed-by: Pratyush Yadav &lt;p.yadav@ti.com&gt;
Link: https://lore.kernel.org/r/20220429100153.2338501-1-michael@walle.cc
</pre>
</div>
</content>
</entry>
</feed>
