Re: [EXTERNAL] Re: [PATCH v8 4/4] spi: cadence: Add MRVL overlay xfer operation support
From: Mark Brown
Date: Wed Jun 12 2024 - 06:38:08 EST
On Tue, Jun 11, 2024 at 10:02:33PM +0000, Witold Sadowski wrote:
> > > + cdns_xspi->in_buffer = txd + 1;
> > > + cdns_xspi->out_buffer = txd + 1;
> > Oh?
> You are asking about that 1 byte offset? It is caused by way that
> SDMA is handled in that specific case - all data except of first
> byte is transferred via SDMA, the first byte is send in command, and
> SDMA is not involved in that.
That needs a comment I think.
Attachment:
signature.asc
Description: PGP signature