| Date | Sun, 28 Aug 2022 16:04:49 +0200 | Subject | Re: [RFC PATCH v1 12/14] nvmem: layouts: rewrite the u-boot-env driver as a NVMEM layout | From | Rafał Miłecki <> |
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On 25.08.2022 23:44, Michael Walle wrote: > Instead of hardcoding the underlying access method mtd_read() and > duplicating all the error handling, rewrite the driver as a nvmem > layout which just uses nvmem_device_read() and thus works with any > NVMEM device. > > But because this is now not a device anymore, the compatible string > will have to be changed so the device will still be probed: > compatible = "u-boot,env"; > to > compatible = "u-boot,env", "nvmem-cells"; > > "nvmem-cells" will tell the mtd layer to register a nvmem_device(). > "u-boot,env" will tell the NVMEM that it should apply the u-boot > environment layout to the NVMEM device.
That's fishy but maybe we can ignore backward compatibility at point.
Still you need to update DT binding.
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