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Message-ID: <20230406065336.10980-1-amit.kumar-mahapatra@amd.com>
Date: Thu, 6 Apr 2023 12:23:29 +0530
From: Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
To: <broonie@...nel.org>, <tudor.ambarus@...aro.org>,
<pratyush@...nel.org>, <michael@...le.cc>,
<miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>
CC: <git@....com>, <sbinding@...nsource.cirrus.com>,
<linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-mtd@...ts.infradead.org>, <nicolas.ferre@...rochip.com>,
<alexandre.belloni@...tlin.com>, <claudiu.beznea@...rochip.com>,
<michal.simek@....com>, <linux-arm-kernel@...ts.infradead.org>,
<amitrkcian2002@...il.com>,
Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
Subject: [PATCH V7 0/7] spi: Add support for stacked/parallel memories
This patch is in the continuation to the discussions which happened on
'commit f89504300e94 ("spi: Stacked/parallel memories bindings")' for
adding dt-binding support for stacked/parallel memories.
This patch series updated the spi-nor, spi core and the AMD-Xilinx GQSPI
driver to add stacked and parallel memories support.
The first nine patches
https://lore.kernel.org/all/20230119185342.2093323-1-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-2-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-3-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-4-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-5-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-6-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-7-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-8-amit.kumar-mahapatra@amd.com/
https://lore.kernel.org/all/20230310173217.3429788-9-amit.kumar-mahapatra@amd.com/
of the previous series got applied to
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
But the rest of the patches in the series did not get applied as failure
was reported for spi driver with GPIO CS, so send the remaining patches
in the series after rebasing it on top of for-next branch and fixing the
issue.
---
BRANCH: for-next
Changes in v7:
- Updated spi_dev_check() to avoid failures for spi driver GPIO CS and
moved the error message from __spi_add_device() to spi_dev_check().
- Resolved code indentation issue in spi_set_cs().
- In spi_set_cs() call spi_delay_exec( ) once if the controller supports
multi cs with both the CS backed by GPIO.
- Updated __spi_validate()to add checks for both the GPIO CS.
- Replaced cs_index_mask bit mask magic number with SPI_CS_CNT_MAX.
- Updated struct spi_controller to represent multi CS capability of the
spi controller through a flag bit SPI_CONTROLLER_MULTI_CS instead of
a boolen structure member "multi_cs_cap".
- Updated 1/7 & 7/7 patch description .
Changes in v6:
- Rebased on top of latest v6.3-rc1 and fixed merge conflicts in
spi-mpc512x-psc.c, sfdp.c, spansion.c files and removed spi-omap-100k.c.
- Updated spi_dev_check( ) to reject new devices if any one of the
chipselect is used by another device.
Changes in v5:
- Rebased the patches on top of v6.3-rc1 and fixed the merge conflicts.
- Fixed compilation warnings in spi-sh-msiof.c with shmobile_defconfig
Changes in v4:
- Fixed build error in spi-pl022.c file - reported by Mark.
- Fixed build error in spi-sn-f-ospi.c file.
- Added Reviewed-by: Serge Semin <fancer.lancer@...il.com> tag.
- Added two more patches to replace spi->chip_select with API calls in
mpc832x_rdb.c & cs35l41_hda_spi.c files.
Changes in v3:
- Rebased the patches on top of
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
- Added a patch to convert spi_nor_otp_region_len(nor) &
spi_nor_otp_n_regions(nor) macros into inline functions
- Added Reviewed-by & Acked-by tags
Changes in v2:
- Rebased the patches on top of v6.2-rc1
- Created separate patch to add get & set APIs for spi->chip_select &
spi->cs_gpiod, and replaced all spi->chip_select and spi->cs_gpiod
references with the API calls.
- Created separate patch to add get & set APIs for nor->params.
---
Amit Kumar Mahapatra (7):
spi: Add stacked and parallel memories support in SPI core
mtd: spi-nor: Convert macros with inline functions
mtd: spi-nor: Add APIs to set/get nor->params
mtd: spi-nor: Add stacked memories support in spi-nor
spi: spi-zynqmp-gqspi: Add stacked memories support in GQSPI driver
mtd: spi-nor: Add parallel memories support in spi-nor
spi: spi-zynqmp-gqspi: Add parallel memories support in GQSPI driver
drivers/mtd/spi-nor/atmel.c | 17 +-
drivers/mtd/spi-nor/core.c | 665 ++++++++++++++++++++++++++-----
drivers/mtd/spi-nor/core.h | 8 +
drivers/mtd/spi-nor/debugfs.c | 4 +-
drivers/mtd/spi-nor/gigadevice.c | 4 +-
drivers/mtd/spi-nor/issi.c | 11 +-
drivers/mtd/spi-nor/macronix.c | 6 +-
drivers/mtd/spi-nor/micron-st.c | 39 +-
drivers/mtd/spi-nor/otp.c | 48 ++-
drivers/mtd/spi-nor/sfdp.c | 29 +-
drivers/mtd/spi-nor/spansion.c | 50 ++-
drivers/mtd/spi-nor/sst.c | 7 +-
drivers/mtd/spi-nor/swp.c | 22 +-
drivers/mtd/spi-nor/winbond.c | 10 +-
drivers/mtd/spi-nor/xilinx.c | 18 +-
drivers/spi/spi-zynqmp-gqspi.c | 58 ++-
drivers/spi/spi.c | 226 +++++++----
include/linux/mtd/spi-nor.h | 18 +-
include/linux/spi/spi.h | 32 +-
19 files changed, 1002 insertions(+), 270 deletions(-)
--
2.17.1
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