[spi-devel-general] Re: [PATCH/RFC] SPI: add DMAUNSAFE analog to David Brownell's core

[David B. <da...@pa...>]

On Tuesday 13 December 2005 2:15 pm, Vitaly Wool wrote:

> Take for instance spi_w8r8 function used in lotsa places in the drivers 
> you and Stephen have posted.
> This function has a) *implicit memcpy* inherited from 
> spi_write_then_read b) *implicit priority inversion* inherited from the 
> same place.

No, (a) is explicit, along with comments not to use that family of
calls when such things matter more than the convenience of those
RPC-ish calls.  And (b) was fixed a small patch, now merged.

- Dave