From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: "Michael Walle" <michael@walle.cc>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Richard Weinberger" <richard@nod.at>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"Rob Herring" <robh+dt@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Shawn Guo" <shawnguo@kernel.org>, "Li Yang" <leoyang.li@nxp.com>,
"Rafał Miłecki" <rafal@milecki.pl>,
"Frank Rowand" <frowand.list@gmail.com>
Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Ahmad Fatoum <a.fatoum@pengutronix.de>,
Philipp Zabel <p.zabel@pengutronix.de>
Subject: Re: [PATCH v2 13/20] nvmem: core: drop priv pointer in post process callback
Date: Fri, 9 Sep 2022 09:52:21 +0100 [thread overview]
Message-ID: <373b10aa-f5c8-28b3-88b0-f87a1a40b000@linaro.org> (raw)
In-Reply-To: <20220901221857.2600340-14-michael@walle.cc>
On 01/09/2022 23:18, Michael Walle wrote:
> It doesn't make any more sense to have a opaque pointer set up by the
> nvmem device. Usually, the layout isn't associated with a particular
> nvmem device.
>
This is really not a good idea to remove the context pointer, as this is
the only way for callback to get context which it can make use of.
I would prefer this to be left as it is.
--srini
> Signed-off-by: Michael Walle <michael@walle.cc>
> ---
> changes since v1:
> - new patch
>
> drivers/nvmem/core.c | 4 ++--
> drivers/nvmem/imx-ocotp.c | 4 ++--
> include/linux/nvmem-provider.h | 5 +++--
> 3 files changed, 7 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
> index d31d3f0ab517..6910796937f9 100644
> --- a/drivers/nvmem/core.c
> +++ b/drivers/nvmem/core.c
> @@ -1523,8 +1523,8 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem,
> nvmem_shift_read_buffer_in_place(cell, buf);
>
> if (cell->read_post_process) {
> - rc = cell->read_post_process(nvmem->priv, id, index,
> - cell->offset, buf, cell->bytes);
> + rc = cell->read_post_process(id, index, cell->offset, buf,
> + cell->bytes);
> if (rc)
> return rc;
> }
> diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c
> index ac0edb6398f1..5e869d4a81c5 100644
> --- a/drivers/nvmem/imx-ocotp.c
> +++ b/drivers/nvmem/imx-ocotp.c
> @@ -222,8 +222,8 @@ static int imx_ocotp_read(void *context, unsigned int offset,
> return ret;
> }
>
> -static int imx_ocotp_cell_pp(void *context, const char *id, int index,
> - unsigned int offset, void *data, size_t bytes)
> +static int imx_ocotp_cell_pp(const char *id, int index, unsigned int offset,
> + void *data, size_t bytes)
> {
> u8 *buf = data;
> int i;
> diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
> index 9d22dc5a3fa5..46067a6a0395 100644
> --- a/include/linux/nvmem-provider.h
> +++ b/include/linux/nvmem-provider.h
> @@ -19,8 +19,9 @@ typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset,
> typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset,
> void *val, size_t bytes);
> /* used for vendor specific post processing of cell data */
> -typedef int (*nvmem_cell_post_process_t)(void *priv, const char *id, int index,
> - unsigned int offset, void *buf, size_t bytes);
> +typedef int (*nvmem_cell_post_process_t)(const char *id, int index,
> + unsigned int offset, void *buf,
> + size_t bytes);
>
> enum nvmem_type {
> NVMEM_TYPE_UNKNOWN = 0,
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next prev parent reply other threads:[~2022-09-09 8:53 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 22:18 [PATCH v2 00/20] nvmem: core: introduce NVMEM layouts Michael Walle
2022-09-01 22:18 ` [PATCH v2 01/20] net: add helper eth_addr_add() Michael Walle
2022-09-01 23:22 ` Randy Dunlap
2022-09-02 7:27 ` Michael Walle
2022-09-01 22:18 ` [PATCH v2 02/20] of: base: add of_parse_phandle_with_optional_args() Michael Walle
2022-09-01 22:18 ` [PATCH v2 03/20] nvmem: core: add an index parameter to the cell Michael Walle
2022-09-09 8:12 ` Srinivas Kandagatla
2022-09-01 22:18 ` [PATCH v2 04/20] nvmem: core: move struct nvmem_cell_info to nvmem-provider.h Michael Walle
2022-09-01 22:18 ` [PATCH v2 05/20] nvmem: core: drop the removal of the cells in nvmem_add_cells() Michael Walle
2022-09-01 22:18 ` [PATCH v2 06/20] nvmem: core: add nvmem_add_one_cell() Michael Walle
2022-09-09 8:52 ` Srinivas Kandagatla
2022-09-01 22:18 ` [PATCH v2 07/20] nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of() Michael Walle
2022-09-01 22:18 ` [PATCH v2 08/20] nvmem: core: introduce NVMEM layouts Michael Walle
2022-09-01 22:18 ` [PATCH v2 09/20] nvmem: core: add per-cell post processing Michael Walle
2022-09-01 22:18 ` [PATCH v2 10/20] nvmem: core: allow to modify a cell before adding it Michael Walle
2022-09-01 22:18 ` [PATCH v2 11/20] nvmem: imx-ocotp: replace global post processing with layouts Michael Walle
2022-09-07 12:31 ` Michael Walle
2022-09-01 22:18 ` [PATCH v2 12/20] nvmem: cell: drop global cell_post_process Michael Walle
2022-09-01 22:18 ` [PATCH v2 13/20] nvmem: core: drop priv pointer in post process callback Michael Walle
2022-09-09 8:52 ` Srinivas Kandagatla [this message]
2022-09-09 8:58 ` Michael Walle
2022-09-09 9:08 ` Srinivas Kandagatla
2022-09-09 9:39 ` Michael Walle
2022-09-01 22:18 ` [PATCH v2 14/20] dt-bindings: mtd: relax the nvmem compatible string Michael Walle
2022-09-08 12:21 ` Krzysztof Kozlowski
2022-09-01 22:18 ` [PATCH v2 15/20] dt-bindings: nvmem: add YAML schema for the sl28 vpd layout Michael Walle
2022-09-08 12:22 ` Krzysztof Kozlowski
2022-09-12 19:20 ` Rob Herring
2022-09-13 14:21 ` Michael Walle
2022-09-22 9:22 ` Miquel Raynal
2022-09-01 22:18 ` [PATCH v2 16/20] nvmem: layouts: add sl28vpd layout Michael Walle
2022-09-01 22:18 ` [PATCH v2 17/20] nvmem: core: export nvmem device size Michael Walle
2022-09-01 22:18 ` [PATCH v2 18/20] arm64: dts: ls1028a: sl28: get MAC addresses from VPD Michael Walle
2022-09-01 22:18 ` [RFC PATCH v2 19/20] nvmem: layouts: rewrite the u-boot-env driver as a NVMEM layout Michael Walle
2022-09-21 10:37 ` Miquel Raynal
2022-09-01 22:18 ` [RFC PATCH v2 20/20] nvmem: layouts: u-boot-env: add device node Michael Walle
2022-09-21 9:58 ` [PATCH v2 00/20] nvmem: core: introduce NVMEM layouts Miquel Raynal
2022-09-22 21:22 ` Srinivas Kandagatla
2022-09-23 8:31 ` Miquel Raynal
2022-09-23 15:47 ` Miquel Raynal
2022-09-23 17:28 ` Michael Walle
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