Re: [PATCH v3] mtd: rawnand: Add support for Macronix NAND randomizer

2019-10-14 Thread masonccyang
Hi Miquel, > > changelog > > v3: > > To enable randomizer by specific DT property in children nodes, > > mxic,enable-randomizer-otp; > > > > v2: > > To enable randomizer by checking chip options NAND_NO_SUBPAGE_WRITE > > > > v1: > > To enable randomizer by sys-fs > > > > Signed-off-by: Mason

Re: [PATCH v3] mtd: rawnand: Add support for Macronix NAND randomizer

2019-10-07 Thread Miquel Raynal
Hi Mason, Mason Yang wrote on Thu, 5 Sep 2019 17:37:09 +0800: > Macronix NANDs support randomizer operation for user data scrambled, > which can be enabled with a SET_FEATURE. > > User data written to the NAND device without randomizer is still readable > after randomizer function enabled. > T

[PATCH v3] mtd: rawnand: Add support for Macronix NAND randomizer

2019-09-05 Thread Mason Yang
Macronix NANDs support randomizer operation for user data scrambled, which can be enabled with a SET_FEATURE. User data written to the NAND device without randomizer is still readable after randomizer function enabled. The penalty of randomizer are subpage accesses prohibited and more time period