lkml.org 
[lkml]   [2019]   [Aug]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 0/2] mtd: spi-nor: add Global Block Unlock support
Date


This has nothing to do with the move manufacturer out of the spi-nor core
pursue, but depends on:

https://patchwork.ozlabs.org/project/linux-mtd/list/?series=127030

On 08/23/2019 07:05 PM, Tudor Ambarus - M18064 wrote:
> From: Tudor Ambarus <tudor.ambarus@microchip.com>
>
> This is similar with what other nor flashes are doing by clearing the
> block protection bits from the status register: disable the write
> protection after a power-on reset cycle.
>
> The Global Block-Protection Unlock command offers a single command cycle
> that unlocks the entire memory array. Prefer this method for higher
> throughput.
>
> Tested on the sst26vf064b flash using the atmel-quadspi driver.
>
> Tudor Ambarus (2):
> mtd: spi-nor: add Global Block Unlock support
> mtd: spi-nor: unlock global block protection on sst26vf064b
>
> drivers/mtd/spi-nor/spi-nor.c | 51 +++++++++++++++++++++++++++++++++++++++++--
> include/linux/mtd/spi-nor.h | 1 +
> 2 files changed, 50 insertions(+), 2 deletions(-)
>
\
 
 \ /
  Last update: 2019-08-23 18:08    [W:0.057 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site