Re: [PATCH V4] nvmem: add explicit config option to read old syntax fixed OF cells

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Dne torek, 04. april 2023 ob 00:55:40 CEST je Rafał Miłecki napisal(a):
> From: Rafał Miłecki <rafal@xxxxxxxxxx>
> 
> Binding for fixed NVMEM cells defined directly as NVMEM device subnodes
> has been deprecated. It has been replaced by the "fixed-layout" NVMEM
> layout binding.
> 
> New syntax is meant to be clearer and should help avoiding imprecise
> bindings.
> 
> NVMEM subsystem already supports the new binding. It should be a good
> idea to limit support for old syntax to existing drivers that actually
> support & use it (we can't break backward compatibility!). That way we
> additionally encourage new bindings & drivers to ignore deprecated
> binding.
> 
> It wasn't clear (to me) if rtc and w1 code actually uses old syntax
> fixed cells. I enabled them to don't risk any breakage.
> 
> Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
> [for meson-{efuse,mx-efuse}.c]
> Acked-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
> [for mtk-efuse.c, nvmem/core.c, nvmem-provider.h]
> Reviewed-by: AngeloGioacchino Del Regno
> <angelogioacchino.delregno@xxxxxxxxxxxxx> [MT8192, MT8195 Chromebooks]
> Tested-by: AngeloGioacchino Del Regno
> <angelogioacchino.delregno@xxxxxxxxxxxxx> [for microchip-otpc.c]
> Reviewed-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
> [SAMA7G5-EK]
> Tested-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
> ---
> This is based on top of them
> [PATCH V6 3/3] nvmem: core: add support for fixed cells *layout*
> 
> V2: Fix stm32-romem.c typo breaking its compilation
>     Pick Martin's Acked-by
>     Add paragraph about layouts deprecating add_legacy_fixed_of_cells
> V3: Update commit description:
>     1. Make it clear we're NOT dropping fixed cells support
>     2. Use nicer words (s/made sense/was totally safe/)
>     3. Explain fixed cells layout thing
>     4. Add paragraph with purpose of this commit
> V4: Completely rewrite commit message.
>     Rename config option to "add_legacy_fixed_of_cells".
> ---
>  drivers/mtd/mtdcore.c          | 2 ++
>  drivers/nvmem/apple-efuses.c   | 1 +
>  drivers/nvmem/core.c           | 8 +++++---
>  drivers/nvmem/imx-ocotp-scu.c  | 1 +
>  drivers/nvmem/imx-ocotp.c      | 1 +
>  drivers/nvmem/meson-efuse.c    | 1 +
>  drivers/nvmem/meson-mx-efuse.c | 1 +
>  drivers/nvmem/microchip-otpc.c | 1 +
>  drivers/nvmem/mtk-efuse.c      | 1 +
>  drivers/nvmem/qcom-spmi-sdam.c | 1 +
>  drivers/nvmem/qfprom.c         | 1 +
>  drivers/nvmem/rave-sp-eeprom.c | 1 +
>  drivers/nvmem/rockchip-efuse.c | 1 +
>  drivers/nvmem/sc27xx-efuse.c   | 1 +
>  drivers/nvmem/sprd-efuse.c     | 1 +
>  drivers/nvmem/stm32-romem.c    | 1 +
>  drivers/nvmem/sunplus-ocotp.c  | 1 +
>  drivers/nvmem/sunxi_sid.c      | 1 +

For sunxi_sid:
Acked-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>

Best regards,
Jernej

>  drivers/nvmem/uniphier-efuse.c | 1 +
>  drivers/nvmem/zynqmp_nvmem.c   | 1 +
>  drivers/rtc/nvmem.c            | 1 +
>  drivers/w1/slaves/w1_ds250x.c  | 1 +
>  include/linux/nvmem-provider.h | 2 ++
>  23 files changed, 29 insertions(+), 3 deletions(-)







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