Re: support for non-uniform SPI NOR flash memories

2018-05-10 Thread Marek Vasut
On 05/09/2018 06:40 PM, Tudor Ambarus wrote: > > On 05/07/2018 08:14 PM, Marek Vasut wrote: >> But indeed there are -- to my knowledge -- no flashes with interleaved >> erase blocks. And yes, there could be improvement in erasing exactly the >> required chunk of flash with a fitting opcode:) > >

Re: support for non-uniform SPI NOR flash memories

2018-05-09 Thread Tudor Ambarus
On 05/07/2018 08:14 PM, Marek Vasut wrote: But indeed there are -- to my knowledge -- no flashes with interleaved erase blocks. And yes, there could be improvement in erasing exactly the required chunk of flash with a fitting opcode:) Thanks Marek. Other improvement would be to minimize the a

Re: support for non-uniform SPI NOR flash memories

2018-05-07 Thread Marek Vasut
On 05/07/2018 07:11 PM, Tudor Ambarus wrote: > Hi, Marek, all, > > I'm studying Cyrille's patch for non-uniform SPI NOR flash memories: > https://lkml.org/lkml/2017/4/15/70. > > It's not clear to me whether interleaved regions are possible or not. I > read the JEDEC Standard No. 216B and it looks

support for non-uniform SPI NOR flash memories

2018-05-07 Thread Tudor Ambarus
Hi, Marek, all, I'm studying Cyrille's patch for non-uniform SPI NOR flash memories: https://lkml.org/lkml/2017/4/15/70. It's not clear to me whether interleaved regions are possible or not. I read the JEDEC Standard No. 216B and it looks like each region is well delimited, there is no such thin