Messages in this thread | | | Date | Fri, 21 Jul 2023 10:42:37 +0300 | Subject | Re: [PATCH V1 1/1] linux: drivers: mtd: spi-nor: gigadevice.c | From | Tudor Ambarus <> |
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On 21.07.2023 10:41, Michael Walle wrote: >>> >>> { "gd25q128", INFO(0xc84018, 0, 64 * 1024, 256) >>> FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) >> >> The locking support is not part of the JEDEC SFDP standard, but vendors >> can define their own SFDP tables where they describe the locking >> support. So for now, if you want to enable locking you have to specify >> the locking flags, whatever they are. There are different flavors of >> block protection locking, with 3 or 4 block protection bits, their >> order, etc. You'll have to check the datasheet. > > I've seen that gigadevice has their own proprietary SFDP table which > also indicates locking. I'd prefer to have a parser for these, esp. > because the patch is coming from the vendor itself :) >
Yes, I agree.
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