[OpenWrt-Devel] [PATCH 1/1] ramips: mt7621: use higher SPI clock speed on Mikrotik rbm11g and rbm33g
Tobias Schramm
t.schramm at manjaro.org
Thu Apr 9 09:08:16 EDT 2020
Hi,
>> @@ -83,8 +83,8 @@
>> w25q128 at 0 {
>> compatible = "jedec,spi-nor";
>> reg = <0>;
>> - // XXX empiric value to obtain actual 10MHz SCK at the chip
>> - spi-max-frequency = <3125000>;
>> + m25p,fast-read;
>> + spi-max-frequency = <33000000>;
>
> m25p,fast-read isn't needed until spi frequency is higher than 50MHz
> and it affects performance a bit.
> It can be removed here and below.
>
Ah, snap. Something in the back of my mind told me m25p,fast-read was
required from 25 MHz up. I'll send a v2 with it removed
Thanks,
Tobias
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