Re: [PATCH v2 2/2] net/ibm/emac: wrong bit is used for STA control register write

From: David Miller
Date: Wed Jan 24 2018 - 18:11:33 EST


From: Ivan Mikhaylov <ivan@xxxxxxxxxx>
Date: Wed, 24 Jan 2018 15:53:25 +0300

> STA control register has areas of mode and opcodes for opeations. 18 bit is
> using for mode selection, where 0 is old MIO/MDIO access method and 1 is
> indirect access mode. 19-20 bits are using for setting up read/write
> operation(STA opcodes). In current state 'read' is set into old MIO/MDIO mode
> with 19 bit and write operation is set into 18 bit which is mode selection,
> not a write operation. To correlate write with read we set it into 20 bit.
> All those bit operations are MSB 0 based.
>
> Signed-off-by: Ivan Mikhaylov <ivan@xxxxxxxxxx>

Applied.