Re: [PATCH resend 1/2] spi: add driver for ar934x spi controller

[Chuanhong Guo]

On Thu, Feb 6, 2020 at 8:30 PM Chuanhong Guo <gch981213@xxxxxxxxx> wrote:
> > It looks like this could just be a transfer_one() operation
> > instead of transfer_one_message() (which is what this is in spite
> > of the name)?  There's nothing custom outside this loop that I
> > can see.
>
> Chipselect is also handled during transfer. Controller asserts
> corresponding chipselect in SHIFT_CTRL register, and if SHIFT_TERM bit
> is set, controller will deassert chipselect after current transfer is
> done. I need to know whether this is the last transfer and set
> SHIFT_TERM accordingly.

Oh, I remembered that I saw transfer_one function name somewhere and
thought maybe I could shorten the function name a bit. I'll correct
this back to ar934x_spi_transfer_one_message in v2.

Regards,
Chuanhong Guo