[OpenWrt-Devel] Random data on rootfs_data for tp-wr2543nd-v1 only with ath79

Luiz Angelo Daros de Luca luizluca at gmail.com
Tue Feb 11 07:08:05 EST 2020


> There's no need for this. If it's implemented we could simply
> use it on all chips and gain the increased flash reading speed.
>

Ok. I'm using it during my tests, but I could remove it in the final
version.


> On memory-mapped flash reading, spi controller issues 0x0b
> fast-read instruction. for the sake of correctness in spi-mem
> we should check whether spi-mem-op matches 0x0b + 3-byte
> address + 1-byte dummy before executing the operation.
> You'll need to set m25p,fast-read for spi-nor code to generate
> this matching operation.
>

The old fast read patch did not check the dummy byte. I'll do it as you
suggested.

I already have a working WIP patch. It does fix the issue. I might post a
RFC version today.

Regards,
> Chuanhong Guo
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.infradead.org/pipermail/openwrt-devel/attachments/20200211/99eab065/attachment.htm>
-------------- next part --------------
_______________________________________________
openwrt-devel mailing list
openwrt-devel at lists.openwrt.org
https://lists.openwrt.org/mailman/listinfo/openwrt-devel


More information about the openwrt-devel mailing list