From: Boris Brezillon <boris.brezillon@collabora.com>
To: Pratyush Yadav <p.yadav@ti.com>
Cc: Apurva Nandan <a-nandan@ti.com>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Mark Brown <broonie@kernel.org>,
Patrice Chotard <patrice.chotard@foss.st.com>,
Christophe Kerello <christophe.kerello@foss.st.com>,
Daniel Palmer <daniel@0x0f.com>,
Alexander Lobakin <alobakin@pm.me>,
<linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
<linux-spi@vger.kernel.org>
Subject: Re: [PATCH v3 01/17] spi: spi-mem: Add DTR templates for cmd, address, dummy and data phase
Date: Wed, 5 Jan 2022 08:36:37 +0100 [thread overview]
Message-ID: <20220105083637.651f0d01@collabora.com> (raw)
In-Reply-To: <20220105055053.s4yfnk7cjedwtgvn@ti.com>
On Wed, 5 Jan 2022 11:20:55 +0530
Pratyush Yadav <p.yadav@ti.com> wrote:
> On 04/01/22 04:31PM, Boris Brezillon wrote:
> > and you get to define a DTR op like that:
> >
> > struct spi_mem_op op =
> > SPI_MEM_OP(SPI_MEM_OP_EXT_CMD(2, 0x1234, 8, SPI_MEM_OP_DTR),
> > SPI_MEM_OP_ADDR(4, 0xdeadbeef, 8, SPI_MEM_OP_DTR),
> > SPI_MEM_OP_DATA_OUT(128, buf, 8, SPI_MEM_OP_DTR));
> >
> > This also means we can extend the struct without having to define new macros.
>
> I like this. It would also let us easily mix-and-match the ecc parameter
> that Miquel is adding.
>
In practice, I doubt you'll ever set the ecc bit when declaring the op,
it's more a modification you do afterwards if ECC needs to be enabled,
but who knows...
next prev parent reply other threads:[~2022-01-05 7:36 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-01 7:42 [PATCH v3 00/17] mtd: spinand: Add Octal DTR SPI (8D-8D-8D) mode support Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 01/17] spi: spi-mem: Add DTR templates for cmd, address, dummy and data phase Apurva Nandan
2022-01-04 14:52 ` Mark Brown
2022-01-04 15:31 ` Boris Brezillon
2022-01-05 5:50 ` Pratyush Yadav
2022-01-05 7:36 ` Boris Brezillon [this message]
2022-01-05 8:24 ` Tudor.Ambarus
2022-01-01 7:42 ` [PATCH v3 02/17] mtd: spinand: Define macros for Octal DTR ops Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 03/17] mtd: spinand: Add enum spinand_protocol to indicate current SPI IO mode Apurva Nandan
2022-01-03 10:05 ` Boris Brezillon
2022-01-01 7:42 ` [PATCH v3 04/17] mtd: spinand: Rename 'op_templates' to 'data_ops' Apurva Nandan
2022-01-03 9:48 ` Boris Brezillon
2022-01-01 7:42 ` [PATCH v3 05/17] mtd: spinand: Define ctrl_ops for non-page read/write op templates Apurva Nandan
2022-01-03 10:01 ` Boris Brezillon
2022-01-03 10:36 ` Boris Brezillon
2022-02-15 15:33 ` Apurva Nandan
2022-02-15 17:37 ` Boris Brezillon
2022-03-02 15:30 ` Apurva Nandan
2022-03-02 20:05 ` Boris Brezillon
2022-03-10 7:57 ` Apurva Nandan
2022-03-10 8:40 ` Boris Brezillon
2022-03-14 11:47 ` Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 06/17] mtd: spinand: Define default ctrl_ops in the core Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 07/17] mtd: spinand: Switch from op macros usage to 'ctrl_ops' " Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 08/17] mtd: spinand: Add support for manufacturer-based ctrl_ops variations Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 09/17] mtd: spinand: Add change_mode() in manufacturer_ops Apurva Nandan
2022-01-05 9:52 ` Boris Brezillon
2022-01-01 7:42 ` [PATCH v3 10/17] mtd: spinand: Add pointer to probed flash's spinand_info Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 11/17] mtd: spinand: Allow enabling/disabling Octal DTR mode in the core Apurva Nandan
2022-01-03 10:14 ` Boris Brezillon
2022-01-01 7:42 ` [PATCH v3 12/17] mtd: spinand: Add mtd_suspend() to disable Octal DTR mode at suspend Apurva Nandan
2022-01-03 10:17 ` Boris Brezillon
2022-01-01 7:42 ` [PATCH v3 13/17] mtd: spinand: winbond: Add support for write volatile configuration register op Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 14/17] mtd: spinand: winbond: Add octal_dtr_enable/disable() in manufacturer_ops Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 15/17] mtd: spianand: winbond: Add change_mode() manufacturer_ops Apurva Nandan
2022-01-03 10:27 ` Boris Brezillon
2022-01-01 7:42 ` [PATCH v3 16/17] mtd: spinand: winbond: Rename cache op_variants struct variable Apurva Nandan
2022-01-01 7:42 ` [PATCH v3 17/17] mtd: spinand: winbond: Add support for Winbond W35N01JW SPI NAND flash Apurva Nandan
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