CC linux-sh
On Thu, Dec 10, 2015 at 12:22 AM, Paul Gortmaker
<paul.gortmaker@xxxxxxxxxxxxx> wrote:
> The Kconfig currently controlling compilation of these files is:
>
> config SH_DMAE_BASE
> bool "Renesas SuperH DMA Engine support"
>
> ...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.
>
> In one file, we explicitly disallow a driver unbind, since that
> doesn't have a sensible use case anyway, and there was not a
> ".remove" code assigned in the struct for it either.
>
> Since module_init translates to device_initcall in the non-modular
> case, the init ordering remains unchanged with this commit.
>
> Similarly builtin_platform_driver and module_platform_driver use
> device_initcall, so the init ordering remains unchanged there too.
>
> In one file, We replace module.h with moduleparam.h since the file does
> have one module_param already.
>
> We also delete the MODULE_LICENSE tag etc. since all that information
> is already contained at the top of the file in the comments.
>
> Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Cc: dmaengine@xxxxxxxxxxxxxxx
> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> ---
> drivers/dma/sh/shdma-base.c | 14 ++------------
> drivers/dma/sh/shdma-of.c | 11 +++--------
> 2 files changed, 5 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
> index 10fcabad80f3..69097a860fc8 100644
> --- a/drivers/dma/sh/shdma-base.c
> +++ b/drivers/dma/sh/shdma-base.c
> @@ -18,7 +18,7 @@
> #include <linux/dmaengine.h>
> #include <linux/init.h>
> #include <linux/interrupt.h>
> -#include <linux/module.h>
> +#include <linux/moduleparam.h>
> #include <linux/pm_runtime.h>
> #include <linux/slab.h>
> #include <linux/spinlock.h>
> @@ -1051,14 +1051,4 @@ static int __init shdma_enter(void)
> return -ENOMEM;
> return 0;
> }
> -module_init(shdma_enter);
> -
> -static void __exit shdma_exit(void)
> -{
> - kfree(shdma_slave_used);
> -}
> -module_exit(shdma_exit);
> -
> -MODULE_LICENSE("GPL v2");
> -MODULE_DESCRIPTION("SH-DMA driver base library");
> -MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@xxxxxx>");
> +device_initcall(shdma_enter);
> diff --git a/drivers/dma/sh/shdma-of.c b/drivers/dma/sh/shdma-of.c
> index f999f9b0d314..888bd8761333 100644
> --- a/drivers/dma/sh/shdma-of.c
> +++ b/drivers/dma/sh/shdma-of.c
> @@ -10,7 +10,7 @@
> */
>
> #include <linux/dmaengine.h>
> -#include <linux/module.h>
> +#include <linux/init.h>
> #include <linux/of.h>
> #include <linux/of_dma.h>
> #include <linux/of_platform.h>
> @@ -62,18 +62,13 @@ static const struct of_device_id shdma_of_match[] = {
> { .compatible = "renesas,shdma-mux", },
> { }
> };
> -MODULE_DEVICE_TABLE(of, sh_dmae_of_match);
>
> static struct platform_driver shdma_of = {
> .driver = {
> .name = "shdma-of",
> + .suppress_bind_attrs = true,
> .of_match_table = shdma_of_match,
> },
> .probe = shdma_of_probe,
> };
> -
> -module_platform_driver(shdma_of);
> -
> -MODULE_LICENSE("GPL v2");
> -MODULE_DESCRIPTION("SH-DMA driver DT glue");
> -MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@xxxxxx>");
> +builtin_platform_driver(shdma_of);
> --
> 2.6.1
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