Messages in this thread | | | From | <> | Subject | Re: [PATCH 1/3] mtd: spi-nor: add Global Block Unlock support | Date | Thu, 14 Feb 2019 07:25:22 +0000 |
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On 07/17/2018 07:28 PM, Tudor Ambarus wrote: > We can't determine this purely by manufacturer type and it's not > autodetectable by anything like SFDP, so make a new flag for it: > UNLOCK_GLOBAL_BLOCK. > > Note that the Global Block Unlock command has different names > depending on the manufacturer, but always the same command value: > 0x98. Macronix's MX25U12835F names it Gang Block Unlock, > Winbound's W25Q128FV names it Global Block Unlock and > Microchip's SST26VF064B names it Global Block Protection Unlock. > > Based on initial work done by Anurag Kumar Vulisha: > https://patchwork.kernel.org/patch/7611271/
Time passed and now I think that this should be part of the individual block lock support, as an optimization when one wants to unlock the entire flash memory. Will rework it.
Cheers, ta
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