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UPSTREAM: memory: mtk-smi: Allow building as module

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Add support for building the SMI driver as module. Switch MTK_SMI to
tristate, and add module_exit/module_license.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210126060055.11050-1-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
(cherry picked from commit 50fc8d9232cdc64b9e9d1b9488452f153de52b69)

BUG=b:174513569

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Change-Id: I6d4c9e14304d6d42e4a1e8ef441ae8591495b2df
This commit is contained in:
Yong Wu 2021-01-26 14:00:55 +08:00 committed by Todd Kjos
parent ea79f21727
commit 1a0226d0f3
3 changed files with 11 additions and 2 deletions
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2
drivers/memory/Kconfig
View File

@ -173,7 +173,7 @@ config JZ4780_NEMC
memory devices such as NAND and SRAM.
config MTK_SMI
bool "Mediatek SoC Memory Controller driver" if COMPILE_TEST
tristate "MediaTek SoC Memory Controller driver" if COMPILE_TEST
depends on ARCH_MEDIATEK || COMPILE_TEST
help
This driver is for the Memory Controller module in MediaTek SoCs,

9
drivers/memory/mtk-smi.c
View File

@ -605,3 +605,12 @@ static int __init mtk_smi_init(void)
return platform_register_drivers(smidrivers, ARRAY_SIZE(smidrivers));
}
module_init(mtk_smi_init);
static void __exit mtk_smi_exit(void)
{
platform_unregister_drivers(smidrivers, ARRAY_SIZE(smidrivers));
}
module_exit(mtk_smi_exit);
MODULE_DESCRIPTION("MediaTek SMI driver");
MODULE_LICENSE("GPL v2");

2
include/soc/mediatek/smi.h
View File

@ -9,7 +9,7 @@
#include <linux/bitops.h>
#include <linux/device.h>
#ifdef CONFIG_MTK_SMI
#if IS_ENABLED(CONFIG_MTK_SMI)
#define MTK_SMI_MMU_EN(port) BIT(port)