Re: [UPDATE][PATCH v4] HID: intel-ish-hid: fix wrong driver_data usage

From: Jiri Kosina
Date: Wed Jun 26 2019 - 08:09:28 EST

On Wed, 5 Jun 2019, Srinivas Pandruvada wrote:

> From: Hyungwoo Yang <hyungwoo.yang@xxxxxxxxx>
> Currently, in suspend() and resume(), ishtp client drivers are using
> driver_data to get "struct ishtp_cl_device" object which is set by
> bus driver. It's wrong since the driver_data should not be owned bus.
> driver_data should be owned by the corresponding ishtp client driver.
> Due to this, some ishtp client driver like cros_ec_ishtp which uses
> its driver_data to transfer its data to its child doesn't work correctly.
> So this patch removes setting driver_data in bus drier and instead of
> using driver_data to get "struct ishtp_cl_device", since "struct device"
> is embedded in "struct ishtp_cl_device", we introduce a helper function
> that returns "struct ishtp_cl_device" from "struct device".
> Signed-off-by: Hyungwoo Yang <hyungwoo.yang@xxxxxxxxx>
> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>

Applied to for-5.2/fixes.

Jiri Kosina