linux-kernel - [PATCH v10 0/6] Add octal DTR support for Macronix flash

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Message-Id: <20240926141956.2386374-1-alvinzhou.tw@gmail.com>
Date: Thu, 26 Sep 2024 22:19:50 +0800
From: AlvinZhou <alvinzhou.tw@...il.com>
To: linux-mtd@...ts.infradead.org,
	linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	tudor.ambarus@...aro.org,
	pratyush@...nel.org,
	mwalle@...nel.org,
	miquel.raynal@...tlin.com,
	richard@....at,
	vigneshr@...com,
	broonie@...nel.org
Cc: chengminglin@...c.com.tw,
	leoyu@...c.com.tw,
	AlvinZhou <alvinzhou@...c.com.tw>
Subject: [PATCH v10 0/6] Add octal DTR support for Macronix flash

From: AlvinZhou <alvinzhou@...c.com.tw>

Add method for Macronix Octal DTR Enable/Disable.
Merge Tudor's patch "Allow specifying the byte order in DTR mode"

v10:
* Further explanation on adding Macronix manufacturer ID in ID table.
* Correct some typos.

v9:
* Change the name of the configuration register 2 for Macronix Octal 
  flash.
* Fix the bit value in __pad of struct spi_mem_op.
* Use the local variable proto instead of nor->read_proto.

v8:
* Supplement missing S-o-b
* Remove function spi_nor_is_octal_dtr_swab16
* Split IDs by MX25 & MX66
* Add dump of capability in debugfs
* Add dump of parameters in debugfs
* Add dump of result for mtd-utils tests
* Add SNOR_ID(0xC2) in last of Macronix ID table

v7:
* Add dtr_swab16 judgement to enable/disable Macronix xSPI host
  controller swap byte feature.

v6:
* Add byte swap support for spi-mxic.c
* Remove flash name in ID table.

v5:
* Remove manufacturer read id function.
* For increased readability, separate Flash IDs based on whether
  it supports RWW feature.

v4:
* Add patch for adding manufacturer read id function.
  remove patch "hook manufacturer by checking first byte id" 

v3:
* Add patch for hook manufacturer by comparing ID 1st byte.
* Add patches for specifying the byte order in DTR mode by merging
  Tudor's patch.

v2:
* Following exsiting rules to re-create Macronix specify Octal DTR 
  method.
* change signature to jaimeliao@...c.com.tw
* Clear sector size information in flash INFO.

AlvinZhou (6):
  mtd: spi-nor: add Octal DTR support for Macronix flash
  spi: spi-mem: Allow specifying the byte order in Octal DTR mode
  mtd: spi-nor: core: Allow specifying the byte order in Octal DTR mode
  mtd: spi-nor: sfdp: Get the 8D-8D-8D byte order from BFPT
  spi: mxic: Add support for swapping byte
  mtd: spi-nor: add support for Macronix Octal flash

 drivers/mtd/spi-nor/core.c     |  4 ++
 drivers/mtd/spi-nor/core.h     |  1 +
 drivers/mtd/spi-nor/macronix.c | 95 +++++++++++++++++++++++++++++++++-
 drivers/mtd/spi-nor/sfdp.c     |  4 ++
 drivers/mtd/spi-nor/sfdp.h     |  1 +
 drivers/spi/spi-mem.c          |  3 ++
 drivers/spi/spi-mxic.c         | 17 ++++--
 include/linux/spi/spi-mem.h    |  8 ++-
 8 files changed, 127 insertions(+), 6 deletions(-)

-- 
2.25.1