Re: [PATCH 3/5] mtd: spi-nor: add Global Block Unlock support

2019-08-04 Thread Vignesh Raghavendra
On 17/07/19 2:18 PM, tudor.amba...@microchip.com wrote: > From: Tudor Ambarus > > To avoid inadvertent writes during power-up, some flashes are > write-protected by default after a power-on reset cycle. > A Global Block-Protection Unlock command offers a single > command cycle that unlocks the

[PATCH 3/5] mtd: spi-nor: add Global Block Unlock support

2019-07-17 Thread Tudor.Ambarus
From: Tudor Ambarus To avoid inadvertent writes during power-up, some flashes are write-protected by default after a power-on reset cycle. A Global Block-Protection Unlock command offers a single command cycle that unlocks the entire memory array. This is identical with what other nor flashes are