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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Apurva Nandan <a-nandan@ti.com>
Cc: Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Mark Brown <broonie@kernel.org>,
	Patrice Chotard <patrice.chotard@foss.st.com>,
	Boris Brezillon <boris.brezillon@collabora.com>,
	<linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<linux-spi@vger.kernel.org>, Pratyush Yadav <p.yadav@ti.com>
Subject: Re: [PATCH 13/13] mtd: spinand: Add support for Winbond W35N01JW SPI NAND flash
Date: Fri, 20 Aug 2021 14:02:10 +0200	[thread overview]
Message-ID: <20210820140210.47d348dc@xps13> (raw)
In-Reply-To: <64f130dc-1d87-5657-ae93-09bfdb7e93a1@ti.com>

Hi Apurva,

Apurva Nandan <a-nandan@ti.com> wrote on Fri, 20 Aug 2021 17:21:33
+0530:

> Hi Miquèl,
> 
> On 07/08/21 12:44 am, Miquel Raynal wrote:
> > Hi Apurva,
> > 
> > Apurva Nandan <a-nandan@ti.com> wrote on Tue, 13 Jul 2021 13:05:38
> > +0000:
> >   
> >> Winbond W35N01JW is SPI NAND flash supporting Octal DTR SPI protocol.  
> > 
> >                       a
> >   
> >> Add op_vairants for W35N01JW, which include the Octal DTR read/write  
> > 
> > variants
> >   
> >> page ops as well. Add W35N01JW's oob layout functions for the  
> > 
> >                                     OOB
> >   
> 
> Okay, will correct these.
> 
> >> mtd_ooblayout_ops. Add all op adjustments required for Octal DTR SPI
> >> mode using the adjust_op(). Finally, add an entry for W35N01JW in
> >> spinand_info table.
> >>
> >> Datasheet: https://www.winbond.com/export/sites/winbond/datasheet/W35N01JW_Datasheet_Brief.pdf
> >>  
> > 
> > Maybe we can split this into two parts:
> > 1/ support the chip
> > 2/ add 8-D support
> >   
> 
> I can split the patch into:
> 1/ Add implementation of manufacturer_ops: adjust_op() to handle variations of ops in 8D-8D-8D mode
> 2/ Add support/entry for Winbond W35N01JW SPI NAND flash chip
> 
> As 8-D support has already been added in a previous patch.

I also don't want the renaming to happen in the patch adding more
logic.

Thanks,
Miquèl

  reply	other threads:[~2021-08-20 12:02 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-13 13:05 [PATCH 00/13] mtd: spinand: Add Octal DTR SPI (8D-8D-8D) mode support Apurva Nandan
2021-07-13 13:05 ` [PATCH 01/13] spi: spi-mem: Add DTR templates for cmd, address, dummy and data phase Apurva Nandan
2021-07-14 17:06   ` Mark Brown
2021-08-23  7:57   ` Boris Brezillon
2021-07-13 13:05 ` [PATCH 02/13] mtd: spinand: Add enum spinand_proto to indicate current SPI IO mode Apurva Nandan
2021-07-13 13:05 ` [PATCH 03/13] mtd: spinand: Setup spi_mem_op for the SPI IO protocol using reg_proto Apurva Nandan
2021-08-06 18:30   ` Miquel Raynal
2021-08-20  9:52     ` Apurva Nandan
2021-08-20 12:08       ` Miquel Raynal
2021-08-23  7:11         ` Boris Brezillon
2021-08-23  7:24           ` Miquel Raynal
2021-07-13 13:05 ` [PATCH 04/13] mtd: spinand: Fix odd byte addr and data phase in read/write reg op and write VCR op for Octal DTR mode Apurva Nandan
2021-08-06 18:43   ` Miquel Raynal
2021-08-20 10:27     ` Apurva Nandan
2021-08-20 12:06       ` Miquel Raynal
2021-07-13 13:05 ` [PATCH 05/13] mtd: spinand: Add adjust_op() in manufacturer_ops to modify the ops for manufacturer specific changes Apurva Nandan
2021-07-13 13:05 ` [PATCH 06/13] mtd: spinand: Add macros for Octal DTR page read and write operations Apurva Nandan
2021-08-06 18:54   ` Miquel Raynal
2021-08-20 10:35     ` Apurva Nandan
2021-07-13 13:05 ` [PATCH 07/13] mtd: spinand: Allow enabling Octal DTR mode in the core Apurva Nandan
2021-08-06 18:58   ` Miquel Raynal
2021-08-20 10:41     ` Apurva Nandan
2021-07-13 13:05 ` [PATCH 08/13] mtd: spinand: Reject 8D-8D-8D op_templates if octal_dtr_enale() is missing in manufacturer_op Apurva Nandan
2021-08-06 19:01   ` Miquel Raynal
2021-08-20 11:26     ` Apurva Nandan
2021-08-20 12:14       ` Miquel Raynal
2021-08-20 13:54         ` Apurva Nandan
2021-08-20 14:38           ` Miquel Raynal
2021-08-20 15:53             ` Apurva Nandan
2021-07-13 13:05 ` [PATCH 09/13] mtd: spinand: Add support for write volatile configuration register op Apurva Nandan
2021-08-06 19:05   ` Miquel Raynal
2021-08-20 11:30     ` Apurva Nandan
2021-07-13 13:05 ` [PATCH 10/13] mtd: spinand: Add octal_dtr_enable() for Winbond manufacturer_ops Apurva Nandan
2021-08-06 19:06   ` Miquel Raynal
2021-08-20 11:31     ` Apurva Nandan
2021-07-13 13:05 ` [PATCH 11/13] mtd: spinand: Add support for Power-on-Reset (PoR) instruction Apurva Nandan
2021-08-06 19:08   ` Miquel Raynal
2021-08-20 11:39     ` Apurva Nandan
2021-08-20 12:18       ` Miquel Raynal
2021-08-20 13:41         ` Apurva Nandan
2021-08-20 14:17           ` Miquel Raynal
2021-08-20 15:56             ` Apurva Nandan
2021-07-13 13:05 ` [PATCH 12/13] mtd: spinand: Perform Power-on-Reset when runtime_pm suspend is issued Apurva Nandan
2021-08-06 19:12   ` Miquel Raynal
2021-08-20 11:45     ` Apurva Nandan
2021-07-13 13:05 ` [PATCH 13/13] mtd: spinand: Add support for Winbond W35N01JW SPI NAND flash Apurva Nandan
2021-08-06 19:14   ` Miquel Raynal
2021-08-20 11:51     ` Apurva Nandan
2021-08-20 12:02       ` Miquel Raynal [this message]
2021-08-20 13:14         ` Apurva Nandan
2021-07-20 16:53 ` [PATCH 00/13] mtd: spinand: Add Octal DTR SPI (8D-8D-8D) mode support Nandan, Apurva

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