m7621 i2c read failure

2023-02-15 Thread Peter Naulls
I'm trying to track yet another vendor vs current OpenWrt driver mishandling. In my vendor kernel: [2.243263] i2c-mt7621 1e000900.i2c: clock 100KHz, re-start not support Which is this driver: * drivers/i2c/busses/i2c-mt7621.c * * Copyright (C) 2013 Steven Liu * Copyright (C) 2016

Re: MT7621 NAND OOB misdetect

2023-02-15 Thread Chuanhong Guo
Hi! On Tue, Feb 14, 2023 at 4:01 AM Peter Naulls wrote: > > On 2/11/23 08:10, Chuanhong Guo wrote: > > Hi! > > > > >> > >> # nanddump -a /dev/mtd2 > >> ECC failed: 8 > >> ECC corrected: 0 > >> Number of bad blocks: 0 > >> Number of bbt blocks: 0 > >> Block size 131072, page size 2048, OOB size

Re: MT7621 NAND OOB misdetect

2023-02-15 Thread Peter Naulls
On 2/13/23 15:01, Peter Naulls wrote: ich might be the misreporting. In our driver, it comes out as: [   16.091826] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 128 [   16.107083] mt7621-nand 1e003000.nand: ECC strength adjusted to 12 bits I tried adjusting in