linux-kernel - Re: [PATCH v10 6/7] mfd: cros_ec: differentiate SCP from EC by feature bit.

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Message-ID: <20190612084029.GB4797@dell>
Date:   Wed, 12 Jun 2019 09:40:29 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Pi-Hsun Shih <pihsun@...omium.org>
Cc:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v10 6/7] mfd: cros_ec: differentiate SCP from EC by
 feature bit.

On Mon, 03 Jun 2019, Pi-Hsun Shih wrote:

> System Companion Processor (SCP) is Cortex M4 co-processor on some
> MediaTek platform that can run EC-style firmware. Since a SCP and EC
> would both exist on a system, and use the cros_ec_dev driver, we need to
> differentiate between them for the userspace, or they would both be
> registered at /dev/cros_ec, causing a conflict.
> 
> Signed-off-by: Pi-Hsun Shih <pihsun@...omium.org>
> Acked-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> ---
> Changes from v9:
>  - Remove changes in cros_ec_commands.h (which is sync in
>    https://lore.kernel.org/lkml/20190518063949.GY4319@dell/T/).
> 
> Changes from v8:
>  - No change.
> 
> Changes from v7:
>  - Address comments in v7.
>  - Rebase the series onto https://lore.kernel.org/patchwork/patch/1059196/.
> 
> Changes from v6, v5, v4, v3, v2:
>  - No change.
> 
> Changes from v1:
>  - New patch extracted from Patch 5.
> ---
>  drivers/mfd/cros_ec_dev.c   | 10 ++++++++++
>  include/linux/mfd/cros_ec.h |  1 +
>  2 files changed, 11 insertions(+)

Applied, thanks.

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