[PATCH 14/14] mtd: rawnand: gpmi: Implement exec_op

Miquel Raynal miquel.raynal at bootlin.com
Mon Apr 29 00:23:41 PDT 2019


Hi Sascha,

Sascha Hauer <s.hauer at pengutronix.de> wrote on Wed, 24 Apr 2019
09:09:40 +0200:

> Hi Miquel,
> 
> Thanks for the review. I fixed all of it.
> 
> On Wed, Apr 17, 2019 at 12:33:55PM +0200, Miquel Raynal wrote:
> > Hi Sascha,
> >   
> > > +		case NAND_OP_DATA_IN_INSTR:
> > > +			if (!instr->ctx.data.len)
> > > +				break;
> > > +			buf_read = instr->ctx.data.buf.in;
> > > +			buf_len = instr->ctx.data.len;
> > > +			nbufs++;
> > > +
> > > +			desc = gpmi_chain_data_read(this, buf_read, buf_len,
> > > +						   &direct);
> > > +			break;
> > > +		}  
> > 
> > So there is no limitation for the controller in terms of
> > address/data cycles that can be asserted in one go?  
> 
> No I think not, at least not a practical one. I can't find anything
> about it in the reference manual.
> 
> Where is your question aiming at?

I'm fine with your answer, it was just to be sure that the controller's
limitations (if any) where described.


Thanks for your work,
Miquèl



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