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SubjectRe: [PATCH 4/9] iommu: mtk_iommu: make it explicitly non-modular
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On Mon, 2018-11-26 at 17:31 -0500, Paul Gortmaker wrote:
> The Kconfig currently controlling compilation of this code is:
>
> drivers/iommu/Kconfig:config MTK_IOMMU_V1
> drivers/iommu/Kconfig: bool "MTK IOMMU Version 1 (M4U gen1) 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.
>
> Since module_init was not even used by this driver, the init ordering
> remains unchanged with this commit.
>
> 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: Joerg Roedel <joro@8bytes.org>
> Cc: Matthias Brugger <matthias.bgg@gmail.com>
> Cc: Honghui Zhang <honghui.zhang@mediatek.com>
> Cc: iommu@lists.linux-foundation.org
> Cc: linux-mediatek@lists.infradead.org
> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
> ---
> drivers/iommu/mtk_iommu_v1.c | 15 +++------------
> 1 file changed, 3 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
> index 27867b862d7a..5fbf3cecb87f 100644
> --- a/drivers/iommu/mtk_iommu_v1.c
> +++ b/drivers/iommu/mtk_iommu_v1.c
> @@ -1,4 +1,6 @@
> /*
> + * IOMMU API for MTK architected m4u v1 implementations
> + *
> * Copyright (c) 2015-2016 MediaTek Inc.
> * Author: Honghui Zhang <honghui.zhang@mediatek.com>
> *
> @@ -35,7 +37,7 @@
> #include <linux/spinlock.h>
> #include <asm/barrier.h>
> #include <asm/dma-iommu.h>
> -#include <linux/module.h>
> +#include <linux/init.h>
> #include <dt-bindings/memory/mt2701-larb-port.h>
> #include <soc/mediatek/smi.h>
> #include "mtk_iommu.h"
> @@ -704,15 +706,4 @@ static int __init m4u_init(void)
> {
> return platform_driver_register(&mtk_iommu_driver);
> }
> -
> -static void __exit m4u_exit(void)
> -{
> - return platform_driver_unregister(&mtk_iommu_driver);
> -}
> -
> subsys_initcall(m4u_init);
> -module_exit(m4u_exit);
> -
> -MODULE_DESCRIPTION("IOMMU API for MTK architected m4u v1 implementations");
> -MODULE_AUTHOR("Honghui Zhang <honghui.zhang@mediatek.com>");
> -MODULE_LICENSE("GPL v2");

Hi, Paul,
Thanks for your patch.

I would like the patch tile be:
iommu/mediatek: make it explicitly non-modular

except that,

Acked-by: Honghui Zhang <honghui.zhang@mediatek.com>


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