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Message-ID: <ZkXfJ6n-06YqOr39@pengutronix.de>
Date: Thu, 16 May 2024 12:25:43 +0200
From: Sascha Hauer <s.hauer@...gutronix.de>
To: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] mtd: nand: mxc_nand: implement exec_op

On Thu, May 16, 2024 at 10:32:14AM +0200, Miquel Raynal wrote:
> Hi Sascha,
> 
> > +static const struct nand_op_parser mxcnd_op_parser = NAND_OP_PARSER(
> > +	NAND_OP_PARSER_PATTERN(mxcnd_do_exec_op,
> > +			       NAND_OP_PARSER_PAT_CMD_ELEM(false),
> > +			       NAND_OP_PARSER_PAT_ADDR_ELEM(true, 7),
> > +			       NAND_OP_PARSER_PAT_CMD_ELEM(true),
> > +			       NAND_OP_PARSER_PAT_WAITRDY_ELEM(true),
> > +			       NAND_OP_PARSER_PAT_DATA_IN_ELEM(true, MAX_DATA_SIZE)),
> 
> CMD, ADDR, CMD, DATA is the RNDOUT pattern. So it is now working fine?

Yes, RNDOUT is working now.

> Or did you forget to adapt the patterns to your use case?

Although it looks like the patterns from the pl35x-nand-controller.c,
there is one slight difference. The 'false' in the NAND_OP_PARSER_PAT_CMD_ELEM
above has the effect that a plain NAND_OP_PARSER_PAT_DATA_IN_ELEM is
disallowed.

Sascha

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