linux-kernel - Re: [PATCH v2] platform/chrome: wilco_ec: Platform data shan't include kernel.h

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Date:   Mon, 10 Feb 2020 16:57:21 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Nick Crews <ncrews@...omium.org>, linux-kernel@...r.kernel.org,
        Daniel Campello <campello@...omium.org>
Subject: Re: [PATCH v2] platform/chrome: wilco_ec: Platform data shan't
 include kernel.h

On Wed, Feb 05, 2020 at 11:48:28AM +0200, Andy Shevchenko wrote:
> Replace with appropriate types.h.
> 
> Also there is no need to include device.h, but mutex.h.
> For the pointers to unknown structures use forward declarations.
> 
> In the *.c files we need to include all headers that provide APIs
> being used in the module.

Anybody to comment?

> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
> v2: update *.c files (kbuild test robot)
>  drivers/platform/chrome/wilco_ec/properties.c | 3 +++
>  drivers/platform/chrome/wilco_ec/sysfs.c      | 4 ++++
>  include/linux/platform_data/wilco-ec.h        | 8 ++++++--
>  3 files changed, 13 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/platform/chrome/wilco_ec/properties.c b/drivers/platform/chrome/wilco_ec/properties.c
> index e69682c95ea2..a0cbd8bd2851 100644
> --- a/drivers/platform/chrome/wilco_ec/properties.c
> +++ b/drivers/platform/chrome/wilco_ec/properties.c
> @@ -3,8 +3,11 @@
>   * Copyright 2019 Google LLC
>   */
>  
> +#include <linux/errno.h>
> +#include <linux/export.h>
>  #include <linux/platform_data/wilco-ec.h>
>  #include <linux/string.h>
> +#include <linux/types.h>
>  #include <linux/unaligned/le_memmove.h>
>  
>  /* Operation code; what the EC should do with the property */
> diff --git a/drivers/platform/chrome/wilco_ec/sysfs.c b/drivers/platform/chrome/wilco_ec/sysfs.c
> index f0d174b6bb21..3c587b4054a5 100644
> --- a/drivers/platform/chrome/wilco_ec/sysfs.c
> +++ b/drivers/platform/chrome/wilco_ec/sysfs.c
> @@ -8,8 +8,12 @@
>   * See Documentation/ABI/testing/sysfs-platform-wilco-ec for more information.
>   */
>  
> +#include <linux/device.h>
> +#include <linux/kernel.h>
>  #include <linux/platform_data/wilco-ec.h>
> +#include <linux/string.h>
>  #include <linux/sysfs.h>
> +#include <linux/types.h>
>  
>  #define CMD_KB_CMOS			0x7C
>  #define SUB_CMD_KB_CMOS_AUTO_ON		0x03
> diff --git a/include/linux/platform_data/wilco-ec.h b/include/linux/platform_data/wilco-ec.h
> index afede15a95bf..25f46a939637 100644
> --- a/include/linux/platform_data/wilco-ec.h
> +++ b/include/linux/platform_data/wilco-ec.h
> @@ -8,8 +8,8 @@
>  #ifndef WILCO_EC_H
>  #define WILCO_EC_H
>  
> -#include <linux/device.h>
> -#include <linux/kernel.h>
> +#include <linux/mutex.h>
> +#include <linux/types.h>
>  
>  /* Message flags for using the mailbox() interface */
>  #define WILCO_EC_FLAG_NO_RESPONSE	BIT(0) /* EC does not respond */
> @@ -17,6 +17,10 @@
>  /* Normal commands have a maximum 32 bytes of data */
>  #define EC_MAILBOX_DATA_SIZE		32
>  
> +struct device;
> +struct resource;
> +struct platform_device;
> +
>  /**
>   * struct wilco_ec_device - Wilco Embedded Controller handle.
>   * @dev: Device handle.
> -- 
> 2.24.1
> 

-- 
With Best Regards,
Andy Shevchenko