linux-kernel - Re: [PATCH 3/4] reset: meson: make it explicitly non-modular

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Message-ID: <6070b3ca-95f3-6be8-d0e0-afa6a34c6def@baylibre.com>
Date:   Wed, 8 Feb 2017 09:43:43 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Paul Gortmaker <paul.gortmaker@...driver.com>,
        linux-kernel@...r.kernel.org
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        Carlo Caione <carlo@...one.org>,
        Kevin Hilman <khilman@...libre.com>,
        linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH 3/4] reset: meson: make it explicitly non-modular

On 02/08/2017 01:18 AM, Paul Gortmaker wrote:
> The Kconfig currently controlling compilation of this code is:
> 
> arch/arm/mach-meson/Kconfig:menuconfig ARCH_MESON
> arch/arm/mach-meson/Kconfig:    bool "Amlogic Meson SoCs"
> 
> arch/arm64/Kconfig.platforms:config ARCH_MESON
> arch/arm64/Kconfig.platforms:   bool "Amlogic Platforms"
> 
> ...meaning that it currently is not being built as a module by anyone.
> 
> Lets remove the modular code that is essentially orphaned, so that
> when reading the driver there is no doubt it is builtin-only.
> 
> Since module_platform_driver() uses the same init level priority as
> builtin_platform_driver() the init ordering remains unchanged with
> this commit.
> 
> Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
> 
> We also delete the MODULE_LICENSE tag etc. since all that information
> was (or is now) contained at the top of the file in the comments.
> 
> Cc: Philipp Zabel <p.zabel@...gutronix.de>
> Cc: Carlo Caione <carlo@...one.org>
> Cc: Kevin Hilman <khilman@...libre.com>
> Cc: linux-amlogic@...ts.infradead.org
> Cc: Neil Armstrong <narmstrong@...libre.com>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
> ---
>  drivers/reset/reset-meson.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c
> index c32f11a30c5f..a8b915eb8b58 100644
> --- a/drivers/reset/reset-meson.c
> +++ b/drivers/reset/reset-meson.c
> @@ -1,4 +1,6 @@
>  /*
> + * Amlogic Meson Reset Controller driver
> + *
>   * This file is provided under a dual BSD/GPLv2 license.  When using or
>   * redistributing this file, you may do so under either license.
>   *
> @@ -53,7 +55,7 @@
>   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>   */
>  #include <linux/err.h>
> -#include <linux/module.h>
> +#include <linux/init.h>
>  #include <linux/io.h>
>  #include <linux/of.h>
>  #include <linux/platform_device.h>
> @@ -95,7 +97,6 @@ static const struct of_device_id meson_reset_dt_ids[] = {
>  	 { .compatible = "amlogic,meson-gxbb-reset", },
>  	 { /* sentinel */ },
>  };
> -MODULE_DEVICE_TABLE(of, meson_reset_dt_ids);
>  
>  static int meson_reset_probe(struct platform_device *pdev)
>  {
> @@ -128,9 +129,4 @@ static struct platform_driver meson_reset_driver = {
>  		.of_match_table	= meson_reset_dt_ids,
>  	},
>  };
> -
> -module_platform_driver(meson_reset_driver);
> -
> -MODULE_AUTHOR("Neil Armstrong <narmstrong@...libre.com>");
> -MODULE_DESCRIPTION("Amlogic Meson Reset Controller driver");
> -MODULE_LICENSE("Dual BSD/GPL");
> +builtin_platform_driver(meson_reset_driver);
> 

Acked-by: Neil Armstrong <narmstrong@...libre.com>