kernel/linux.git/drivers/nvmem/meson-efuse.c, branch v6.3

firmware: meson_sm: Rework driver as a proper platform driver

2019-10-03T15:43:33+00:00

The secure monitor driver is currently a frankenstein driver which is registered as a platform driver but its functionality goes through a global struct accessed by the consumer drivers using exported helper functions. Try to tidy up the driver moving the firmware struct into the driver data and make the consumer drivers referencing the secure-monitor using a new property in the DT. Currently only the nvmem driver is using this API so we can fix it in the same commit. Reviewed-by: Jerome Brunet Signed-off-by: Carlo Caione Signed-off-by: Kevin Hilman

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295

2019-06-05T15:36:38+00:00

Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of version 2 of the gnu general public license as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 64 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Alexios Zavras Reviewed-by: Allison Randal Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.894819585@linutronix.de Signed-off-by: Greg Kroah-Hartman

nvmem: meson-efuse: add peripheral clock

2018-12-06T14:45:46+00:00

Get and enable the peripheral clock required by the efuse device. The driver has been handle to work without it so far because the clock was left enabled by default but it won't be the case soon. Signed-off-by: Jerome Brunet Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman

nvmem: meson-efuse: add error message on user_max failure.

2018-12-06T14:45:45+00:00

Add an explicit error message when SM_EFUSE_USER_MAX command fails Signed-off-by: Jerome Brunet Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman

nvmem: meson-efuse: add write support

2018-05-14T14:20:48+00:00

Add write support to the meson-gx efuse driver. Beware, this efuse is one time programmable ! Reviewed-by: Kevin Hilman Signed-off-by: Jerome Brunet Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman

nvmem: meson-efuse: simplify read callback

2018-05-14T14:20:48+00:00

Most of the code and variables in the read callback is not necessary. Keep only what is required. Signed-off-by: Jerome Brunet Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman

nvmem: meson-efuse: remove econfig global

2018-05-14T14:20:48+00:00

Having a global structure holding a reference to the device structure is not very nice. Allocate the econfig instead and fill the nvmem information as before Reviewed-by: Kevin Hilman Signed-off-by: Jerome Brunet Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman

nvmem: meson-efuse: Convert to use devm_nvmem_register()

2018-03-14T18:28:14+00:00

Drop all of the code related to .remove hook and make use of devm_nvmem_register() instead. Cc: Srinivas Kandagatla Cc: Heiko Stuebner Cc: Masahiro Yamada Cc: Carlo Caione Cc: Kevin Hilman Cc: Matthias Brugger Cc: cphealy@gmail.com Cc: linux-kernel@vger.kernel.org Cc: linux-mediatek@lists.infradead.org Cc: linux-rockchip@lists.infradead.org Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Andrey Smirnov Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman

nvmem: set nvmem->owner to nvmem->dev->driver->owner if unset

2017-11-08T12:54:17+00:00

All nvmem drivers are supposed to set the owner field of struct nvmem_config, but this matches nvmem->dev->driver->owner. As far as I see in drivers/nvmem/ directory, all the drivers are the case. So, make nvmem_register() set the nvmem's owner to the associated driver's owner unless nvmem_config sets otherwise. Remove .owner settings in the drivers that are now redundant. Signed-off-by: Masahiro Yamada Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman

nvmem: meson-efuse: indicate that this driver is only for Meson GX SoCs

2017-10-20T13:38:02+00:00

The current Amlogic Meson eFuse driver only supports the 64-bit SoCs (GXBB and newer). Older SoCs cannot be supported by the same driver because they do not use the meson secure monitor firmware to access the hardware. Signed-off-by: Martin Blumenstingl Signed-off-by: Srinivas Kandagatla Acked-by: Rob Herring Signed-off-by: Greg Kroah-Hartman