Re: [U-Boot] [PATCH 4/4] mtd: vf610_nfc: support subpage write

2015-04-07 Thread Bill Pringlemeir
On 3 Apr 2015, ste...@agner.ch wrote: I will remove the page read on NAND_CMD_SEQIN, since we memcpy the full page anyway. I also just realized that the page read actually happens always and hence slows down even full page writes... Yes, I remove this in Linux (4.0) and it corrupted things

Re: [U-Boot] [PATCH 4/4] mtd: vf610_nfc: support subpage write

2015-04-07 Thread Scott Wood
On Tue, 2015-04-07 at 09:48 -0400, Bill Pringlemeir wrote: On 3 Apr 2015, ste...@agner.ch wrote: I will remove the page read on NAND_CMD_SEQIN, since we memcpy the full page anyway. I also just realized that the page read actually happens always and hence slows down even full page

Re: [U-Boot] [PATCH 4/4] mtd: vf610_nfc: support subpage write

2015-04-03 Thread Stefan Agner
On 2015-04-03 22:36, Scott Wood wrote: On Fri, 2015-04-03 at 20:40 +0200, Stefan Agner wrote: Support subpage writes using a custom implementation of write_subpage. The driver loads the page into SRAM buffer using NAND_CMD_READ0, when the framework requests the NAND_CMD_SEQIN command. Then,

Re: [U-Boot] [PATCH 4/4] mtd: vf610_nfc: support subpage write

2015-04-03 Thread Scott Wood
On Fri, 2015-04-03 at 20:40 +0200, Stefan Agner wrote: Support subpage writes using a custom implementation of write_subpage. The driver loads the page into SRAM buffer using NAND_CMD_READ0, when the framework requests the NAND_CMD_SEQIN command. Then, the buffer is updated by the custom