linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Sebastian Reichel <sebastian.reichel@collabora.com>
Cc: Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>, Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>, Ian Ray <ian.ray@ge.com>,
	linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
	devicetree@vger.kernel.org, kernel@collabora.com
Subject: Re: [PATCHv4 5/6] misc: nxp-ezport: introduce EzPort support
Date: Fri, 11 Jun 2021 11:05:59 +0200	[thread overview]
Message-ID: <YMMnd3bBgT8QcuQu@kroah.com> (raw)
In-Reply-To: <20210609151235.48964-6-sebastian.reichel@collabora.com>

On Wed, Jun 09, 2021 at 05:12:34PM +0200, Sebastian Reichel wrote:
> Add new EzPort support code, which can be used to do
> firmware updates of Kinetis coprocessors. The driver
> is not usable on its own and thus not user selectable.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>


Why is this a separate module if only 1 driver needs this?  Why not keep
it together until you have a second user?

And this module is not able to be unloaded ever?  Why not?

> +int ezport_flash(struct spi_device *spi, struct gpio_desc *reset, const char *fwname)
> +{
> +	int ret;
> +
> +	ret = ezport_start_programming(spi, reset);
> +	if (ret)
> +		return ret;
> +
> +	ret = ezport_firmware_load(spi, fwname);
> +
> +	ezport_stop_programming(spi, reset);
> +
> +	if (ret)
> +		dev_err(&spi->dev, "Failed to flash firmware: %d\n", ret);

%pe perhaps instead of %d?



> +	else
> +		dev_dbg(&spi->dev, "Finished FW flashing!\n");
> +
> +	return ret;
> +}
> +EXPORT_SYMBOL_GPL(ezport_flash);
> +
> +/**
> + * ezport_verify - verify device firmware
> + * @spi: SPI device for NXP EzPort interface
> + * @reset: the gpio connected to the device reset pin
> + * @fwname: filename of the firmware that should be compared
> + *
> + * Context: can sleep
> + *
> + * Return: 0 on success; negative errno on failure
> + */
> +int ezport_verify(struct spi_device *spi, struct gpio_desc *reset, const char *fwname)
> +{
> +	int ret;
> +
> +	ret = ezport_start_programming(spi, reset);
> +	if (ret)
> +		return ret;
> +
> +	ret = ezport_firmware_verify(spi, fwname);
> +
> +	ezport_stop_programming(spi, reset);
> +
> +	if (ret)
> +		dev_err(&spi->dev, "Failed to verify firmware: %d\n", ret);

Same here, %pe?


> +
> +	return ret;
> +}
> +EXPORT_SYMBOL_GPL(ezport_verify);
> +
> +MODULE_DESCRIPTION("NXP EzPort protocol support");
> +MODULE_AUTHOR("Sebastian Reichel <sebastian.reichel@collabora.com>");
> +MODULE_LICENSE("GPL");
> diff --git a/include/linux/platform_data/nxp-ezport.h b/include/linux/platform_data/nxp-ezport.h
> new file mode 100644
> index 000000000000..b0a2af9c1285
> --- /dev/null
> +++ b/include/linux/platform_data/nxp-ezport.h
> @@ -0,0 +1,9 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */

This license does NOT match up with the .c file's license.  Why?

thanks,

greg k-h

  reply	other threads:[~2021-06-11  9:06 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-09 15:12 [PATCHv4 0/6] GE Healthcare PPD firmware upgrade driver for ACHC Sebastian Reichel
2021-06-09 15:12 ` [PATCHv4 1/6] spi: add ancillary device support Sebastian Reichel
2021-06-11  9:06   ` Greg Kroah-Hartman
2021-06-11 17:22     ` Sebastian Reichel
2021-06-13 14:18   ` Andy Shevchenko
2021-06-17 12:51   ` Mark Brown
2021-06-09 15:12 ` [PATCHv4 2/6] spi: dt-bindings: support devices with multiple chipselects Sebastian Reichel
2021-06-09 15:12 ` [PATCHv4 3/6] dt-bindings: misc: ge-achc: Convert to DT schema format Sebastian Reichel
2021-06-10 16:41   ` Rob Herring
2021-06-09 15:12 ` [PATCHv4 4/6] ARM: dts: imx53-ppd: Fix ACHC entry Sebastian Reichel
2021-06-09 15:12 ` [PATCHv4 5/6] misc: nxp-ezport: introduce EzPort support Sebastian Reichel
2021-06-11  9:05   ` Greg Kroah-Hartman [this message]
2021-06-11  9:45     ` Greg Kroah-Hartman
2021-06-09 15:12 ` [PATCHv4 6/6] misc: gehc-achc: new driver Sebastian Reichel
2021-06-11  9:02   ` Greg Kroah-Hartman
2021-06-22 15:14 ` (subset) [PATCHv4 0/6] GE Healthcare PPD firmware upgrade driver for ACHC Mark Brown

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YMMnd3bBgT8QcuQu@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=arnd@arndb.de \
    --cc=broonie@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=festevam@gmail.com \
    --cc=ian.ray@ge.com \
    --cc=kernel@collabora.com \
    --cc=kernel@pengutronix.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-spi@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=sebastian.reichel@collabora.com \
    --cc=shawnguo@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).