MIRRORS/linux-yocto
1
0
Fork 0
mirror of git://git.yoctoproject.org/linux-yocto.git synced 2025-07-05 05:15:23 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity
5e5466433d
linux-yocto/Documentation/ABI/stable/sysfs-bus-nvmem
Matthew Wilcox 3a2de36d20 nvmem: Fix misspelling 
There is no function called kstrbool().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240902142952.71639-9-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-09-03 12:13:23 +02:00

1.6 KiB
Raw Blame History

What: /sys/bus/nvmem/devices/.../force_ro Date: June 2024 KernelVersion: 6.11 Contact: Marek Vasut marex@denx.de Description: This read/write attribute allows users to set read-write devices as read-only and back to read-write from userspace. This can be used to unlock and relock write-protection of devices which are generally locked, except during sporadic programming operation. Read returns '0' or '1' for read-write or read-only modes respectively. Write parses one of 'YyTt1NnFf0', or [oO][NnFf] for "on" and "off", i.e. what kstrtobool() supports. Note: This file is only present if CONFIG_NVMEM_SYSFS is enabled.

What: /sys/bus/nvmem/devices/.../nvmem Date: July 2015 KernelVersion: 4.2 Contact: Srinivas Kandagatla srinivas.kandagatla@linaro.org Description: This file allows user to read/write the raw NVMEM contents. Permissions for write to this file depends on the nvmem provider configuration. Note: This file is only present if CONFIG_NVMEM_SYSFS is enabled

	ex::

	  hexdump /sys/bus/nvmem/devices/qfprom0/nvmem

	  0000000 0000 0000 0000 0000 0000 0000 0000 0000
	  *
	  00000a0 db10 2240 0000 e000 0c00 0c00 0000 0c00
	  0000000 0000 0000 0000 0000 0000 0000 0000 0000
	  ...
	  *
	  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.