Re: [U-Boot] [PATCH 05/26] spi: mt7621-spi: remove data cache and rewrite its xfer function

On 28.08.19 08:37, Weijie Gao wrote: The mt7621 spi controller supports continuous generic half-duplex spi transaction. There is no need to cache xfer data at all. To achieve this goal, the OPADDR register must be used as the first data to be sent. And follows the eight generic DIDO registers.

[U-Boot] [PATCH 05/26] spi: mt7621-spi: remove data cache and rewrite its xfer function

The mt7621 spi controller supports continuous generic half-duplex spi transaction. There is no need to cache xfer data at all. To achieve this goal, the OPADDR register must be used as the first data to be sent. And follows the eight generic DIDO registers. But one thing different between OPADDR