Re: [PATCH v5 3/3] mtd: spi-nor: add locking support for is25xxxxx device

2019-06-18 Thread Sagar Kadam
Hello Vignesh, On Tue, Jun 18, 2019 at 9:55 AM Vignesh Raghavendra wrote: > > +Uwe who had interest in 4bit block protection support > > On 12-Jun-19 4:17 PM, Sagar Shrikant Kadam wrote: > > Implement a locking scheme for ISSI devices based on stm_lock mechanism. > > The is25x devices have

Re: [PATCH v5 3/3] mtd: spi-nor: add locking support for is25xxxxx device

2019-06-17 Thread Vignesh Raghavendra
+Uwe who had interest in 4bit block protection support On 12-Jun-19 4:17 PM, Sagar Shrikant Kadam wrote: > Implement a locking scheme for ISSI devices based on stm_lock mechanism. > The is25x devices have 4 bits for selecting the range of blocks to > be locked/protected from erase/write

[PATCH v5 3/3] mtd: spi-nor: add locking support for is25xxxxx device

2019-06-12 Thread Sagar Shrikant Kadam
Implement a locking scheme for ISSI devices based on stm_lock mechanism. The is25x devices have 4 bits for selecting the range of blocks to be locked/protected from erase/write operations and function register gives feasibility to select TOP / Bottom area for protection. Added opcodes to read