Re: [PATCH v6 2/2] mfd: ene-kb3930: Add driver for ENE KB3930 Embedded Controller

From: Lee Jones
Date: Fri Aug 28 2020 - 05:15:31 EST


On Fri, 10 Jul 2020, Lubomir Rintel wrote:

> This driver provides access to the EC RAM of said embedded controller
> attached to the I2C bus as well as optionally supporting its slightly weird
> power-off/restart protocol.
>
> A particular implementation of the EC firmware can be identified by a
> model byte. If this driver identifies the Dell Ariel platform, it
> registers the appropriate cells.
>
> Signed-off-by: Lubomir Rintel <lkundrak@xxxxx>
>
> ---
> Changes since v5:
> - Clarify the command in kb3930_off()
> - Remove an extraneous comment above the call to devm_mfd_add_devices()
> - s/pm_power_off == NULL/!pm_power_off/
>
> Changes since v3:
> - Clarify that the power-off function is provided by this driver while
> LEDS_ARIEL is necessary to drive the leds in Kconfig help text
> - s/kb3930_power_off/kb3930_pm_power_off/, s/global_kb3930/kb3930_power_off/
> - Don't fail with -EEXIST with more than one instance
> - s/ret < 0/ret/ for devm_mfd_add_devices() return value
> - Drop a \n between struct i2c_driver and module_i2c_driver()
>
> Changes since v2:
> - Sort the includes
> - s/EC_MODEL_ID/EC_MODEL/
> - Add a couple of clarifying comments
> - Use #defines for values used in poweroff routine
> - Remove priority from a restart notifier block
> - s/priv/ddata/
> - s/ec_ram/ram_regmap/ for the regmap name
> - Fix the error handling when getting off gpios was not successful
> - Remove a useless dev_info at the end of probe()
> - Use i2c probe_new() callback, drop i2c_device_id
> - Modify the logic in checking the model ID
> ---
> drivers/mfd/Kconfig | 11 ++
> drivers/mfd/Makefile | 1 +
> drivers/mfd/ene-kb3930.c | 212 +++++++++++++++++++++++++++++++++++++++
> 3 files changed, 224 insertions(+)
> create mode 100644 drivers/mfd/ene-kb3930.c

Applied, thanks.

--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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