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SubjectRe: [PATCH v3 2/8] mfd / platform: cros_ec: move lightbar attributes to its own driver.
On Tue, 27 Nov 2018, Enric Balletbo i Serra wrote:

> The entire way how cros sysfs attibutes are created is broken.
> cros_ec_lightbar should be its own driver and its attributes should be
> associated with a lightbar driver not the mfd driver. In order to retain
> the path, the lightbar attributes are attached to the cros_class.

I'm not exactly clear on what a lightbar is, but shouldn't it live in
the appropriate subsystem. Like LED for example?

> The patch also adds the sysfs documentation.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> ---
>
> Changes in v3:
> - Removed unneded check for ec_dev.
>
> Changes in v2:
> - Removed the two exported functions to attach/detach to the cros_class.
> - Use dev_warn instead of dev_err when adding the lightbar.
>
> ...sfs-class-chromeos-driver-cros-ec-lightbar | 74 +++++++++++++++
> drivers/mfd/cros_ec_dev.c | 24 ++---
> drivers/mfd/cros_ec_dev.h | 6 --
> drivers/platform/chrome/Kconfig | 10 ++
> drivers/platform/chrome/Makefile | 3 +-
> drivers/platform/chrome/cros_ec_lightbar.c | 95 ++++++++++++++-----
> include/linux/mfd/cros_ec.h | 1 -
> 7 files changed, 172 insertions(+), 41 deletions(-)
> create mode 100644 Documentation/ABI/testing/sysfs-class-chromeos-driver-cros-ec-lightbar

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