linux-kernel - Re: [PATCH] mfd: constify properties in mfd

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Message-ID: <CAHp75VeC4R2XG3rfx3+G6po-JS6U0RPoXg2y+JMhd-s+E_sirA@mail.gmail.com>
Date:   Tue, 4 Feb 2020 23:22:06 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Tomas Winkler <tomas.winkler@...el.com>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mfd: constify properties in mfd_cell

On Tue, Feb 4, 2020 at 10:18 PM Tomas Winkler <tomas.winkler@...el.com> wrote:
>
> Constify 'struct property_entry *properties' in
> mfd_cell and platform_device. It is always passed
> around as a pointer const struct.
>

After

commit 277036f05be242540b7bfe75f226107d04f51b06
Author: Jan Kiszka <jan.kiszka@...mens.com>
Date:   Fri Jun 2 07:43:27 2017 +0200

    platform: Accept const properties

this one makes sense.

Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>

Does intel-lpss* compile with this change?

> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> ---
>  include/linux/mfd/core.h        | 2 +-
>  include/linux/platform_device.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
> index d01d1299e49d..7e5ac3c00891 100644
> --- a/include/linux/mfd/core.h
> +++ b/include/linux/mfd/core.h
> @@ -70,7 +70,7 @@ struct mfd_cell {
>         size_t                  pdata_size;
>
>         /* device properties passed to the sub devices drivers */
> -       struct property_entry *properties;
> +       const struct property_entry *properties;
>
>         /*
>          * Device Tree compatible string
> diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
> index 276a03c24691..8e83c6ff140d 100644
> --- a/include/linux/platform_device.h
> +++ b/include/linux/platform_device.h
> @@ -89,7 +89,7 @@ struct platform_device_info {
>                 size_t size_data;
>                 u64 dma_mask;
>
> -               struct property_entry *properties;
> +               const struct property_entry *properties;
>  };
>  extern struct platform_device *platform_device_register_full(
>                 const struct platform_device_info *pdevinfo);
> --
> 2.21.1
>


-- 
With Best Regards,
Andy Shevchenko