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SubjectRe: [PATCH v4 00/10] add STM32 FMC2 EBI controller driver
Hi Christophe,

Christophe Kerello <christophe.kerello@st.com> wrote on Wed, 6 May 2020
11:11:09 +0200:

> The FMC2 functional block makes the interface with: synchronous and
> asynchronous static devices (such as PSNOR, PSRAM or other memory-mapped
> peripherals) and NAND flash memories.
> Its main purposes are:
> - to translate AXI transactions into the appropriate external device
> protocol
> - to meet the access time requirements of the external devices
> All external devices share the addresses, data and control signals with the
> controller. Each external device is accessed by means of a unique Chip
> Select. The FMC2 performs only one access at a time to an external device.
>
> Changes in v4:
> - bindings:
> - fix filename: st,stm32-fmc2-ebi.yaml
>
> Changes in v3:
> - NAND:
> - rename labels used on errors
> - add in the commit log the reason to increase FMC2_TIMEOUT_MS (patch 3)
> - add Miquel reviewed-by tag (patches 2/4/5/9)
> - EBI:
> - move in memory folder
> - merge MFD and BUS drivers to avoid a MFD driver
> - bindings:
> - pattern name has been modified
> - vendor properties have been modified
> - s/_/-/
> - add unit suffix (-ns) on timing properties
>
> Christophe Kerello (10):
> mtd: rawnand: stm32_fmc2: manage all errors cases at probe time
> mtd: rawnand: stm32_fmc2: remove useless inline comments
> mtd: rawnand: stm32_fmc2: use FMC2_TIMEOUT_MS for timeouts
> mtd: rawnand: stm32_fmc2: cleanup
> mtd: rawnand: stm32_fmc2: use FIELD_PREP/FIELD_GET macros
> dt-bindings: mtd: update STM32 FMC2 NAND controller documentation
> dt-bindings: memory-controller: add STM32 FMC2 EBI controller
> documentation
> memory: stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver
> mtd: rawnand: stm32_fmc2: use regmap APIs
> mtd: rawnand: stm32_fmc2: get resources from parent node
>
> .../memory-controllers/st,stm32-fmc2-ebi.yaml | 261 +++++
> .../bindings/mtd/st,stm32-fmc2-nand.yaml | 19 +-
> drivers/memory/Kconfig | 10 +
> drivers/memory/Makefile | 1 +
> drivers/memory/stm32-fmc2-ebi.c | 1206 ++++++++++++++++++++
> drivers/mtd/nand/raw/Kconfig | 1 +
> drivers/mtd/nand/raw/stm32_fmc2_nand.c | 1176 ++++++++++---------
> 7 files changed, 2061 insertions(+), 613 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/memory-controllers/st,stm32-fmc2-ebi.yaml
> create mode 100644 drivers/memory/stm32-fmc2-ebi.c
>

I'm fine with the preparation patches 1-5 but the other patches need
Rob's hack and probably more changes. If it's fine with you I can apply
these patches for the next merge window and let more time to work on
the last 5.

Thanks,
Miquèl

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