linux-kernel - Re: [PATCH] platform: Explicitly include correct DT includes

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Date:   Mon, 17 Jul 2023 11:50:13 +0800
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Vadim Pasternak <vadimp@...dia.com>,
        devicetree@...r.kernel.org, chrome-platform@...ts.linux.dev,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH] platform: Explicitly include correct DT includes

On Fri, Jul 14, 2023 at 11:49:09AM -0600, Rob Herring wrote:
> The DT of_device.h and of_platform.h date back to the separate
> of_platform_bus_type before it as merged into the regular platform bus.
> As part of that merge prepping Arm DT support 13 years ago, they
> "temporarily" include each other. They also include platform_device.h
> and of.h. As a result, there's a pretty much random mix of those include
> files used throughout the tree. In order to detangle these headers and
> replace the implicit includes with struct declarations, users need to
> explicitly include the correct includes.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>

For cros_ec:
Reviewed-by: Tzung-Bi Shih <tzungbi@...nel.org>

The driver uses platform_device_unregister() which is in platform_device.h.

> diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c
> index 8b7949220382..5d36fbc75e1b 100644
> --- a/drivers/platform/chrome/cros_ec.c
> +++ b/drivers/platform/chrome/cros_ec.c
> @@ -12,6 +12,7 @@
>  #include <linux/interrupt.h>
>  #include <linux/module.h>
>  #include <linux/of_platform.h>
> +#include <linux/platform_device.h>
>  #include <linux/platform_data/cros_ec_commands.h>
>  #include <linux/platform_data/cros_ec_proto.h>
>  #include <linux/slab.h>

nit: if we want to maintain the sort, "platform_device" should come after
"platform_data".