Re: [PATCH v2 2/4] nvmem: Document type attribute

Alexandre Belloni
2024-06-23T10:04:41Z

On 23/06/2024 05:15:45+0200, Marek Vasut wrote:
> Document a type attribute used by userspace to discern different types of
> NVMEM devices. The implementation is already present, the ABI document is
> missing, add it.
>
> Signed-off-by: Marek Vasut <marex@denx.de>

Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> ---
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Bartosz Golaszewski <brgl@bgdev.pl>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> Cc: linux-i2c@vger.kernel.org
> ---
> V2: - New patch
> ---
> Documentation/ABI/stable/sysfs-bus-nvmem | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/Documentation/ABI/stable/sysfs-bus-nvmem b/Documentation/ABI/stable/sysfs-bus-nvmem
> index 854bd11d72ac4..0e3a8492a1082 100644
> --- a/Documentation/ABI/stable/sysfs-bus-nvmem
> +++ b/Documentation/ABI/stable/sysfs-bus-nvmem
> @@ -20,3 +20,14 @@ Description:
> ...
> *
> 0001000
> +
> +What: /sys/bus/nvmem/devices/.../type
> +Date: November 2018
> +KernelVersion: 5.0
> +Contact: Alexandre Belloni <alexandre.belloni@bootlin.com>
> +Description:
> + This read-only attribute allows user to read the NVMEM
> + device type. Supported types are "Unknown", "EEPROM",
> + "OTP", "Battery backed", "FRAM".
> + Note: This file is only present if CONFIG_NVMEM_SYSFS
> + is enabled
> --
> 2.43.0
>

--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering