On Fri, Sep 17, 2021 at 02:33:50PM +0100, Sudeep Holla wrote:
> Now that we have all the shared memory region information populated in
> the pcc_mbox_chan, let us propagate the pointer to the same as the
> return value to pcc_mbox_request channel.
> 
> This eliminates the need for the individual users of PCC mailbox to
> parse the PCCT subspace entries and fetch the shmem information. This
> also eliminates the need for PCC mailbox controller to set con_priv to
> PCCT subspace entries. This is required as con_priv is private to the
> controller driver to attach private data associated with the channel and
> not meant to be used by the mailbox client/users.
> 
> Let us convert all the users of pcc_mbox_{request,free}_channel to use
> new interface.
> 
> Cc: Jean Delvare <jdelvare@suse.com>
> Cc: Guenter Roeck <linux@roeck-us.net>
> Cc: Wolfram Sang <wsa@kernel.org>
> Cc: linux-hwmon@vger.kernel.org
> Cc: linux-i2c@vger.kernel.org
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> ---
>  drivers/acpi/cppc_acpi.c               | 43 ++++++------------
>  drivers/hwmon/xgene-hwmon.c            | 35 ++++++--------
>  drivers/i2c/busses/i2c-xgene-slimpro.c | 33 +++++---------
>  drivers/mailbox/pcc.c                  | 63 ++++++++------------------
>  include/acpi/pcc.h                     | 12 ++---

There is no maintainer for the xgene driver, but I trust you and other
reviewers of this whole series on this. The I2C part is a minor piece
anyhow. So:

Acked-by: Wolfram Sang <wsa@kernel.org>