[PATCH 3/3] memory: mtk-smi: Switch MTK_SMI to tristate

[Yong Wu <yong.wu@mediatek.com>]

This patch switches MTK_SMI to tristate. Support it could be 'm'.

Meanwhile, Fix a build issue while MTK_SMI is built as module.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
---
This patch has a little conflict with the mt8192 iommu patch which
delete the MTK_LARB_NR_MAX in smi.h(It's still reviewing).
This patch rebase on the clean v5.11-rc1.
---
 drivers/memory/Kconfig     | 2 +-
 include/soc/mediatek/smi.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index 3ea6913df176..d5f0f4680880 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -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,
diff --git a/include/soc/mediatek/smi.h b/include/soc/mediatek/smi.h
index 5a34b87d89e3..29e2fb8f33d6 100644
--- a/include/soc/mediatek/smi.h
+++ b/include/soc/mediatek/smi.h
@@ -9,7 +9,7 @@
 #include <linux/bitops.h>
 #include <linux/device.h>
 
-#ifdef CONFIG_MTK_SMI
+#if IS_ENABLED(CONFIG_MTK_SMI)
 
 #define MTK_LARB_NR_MAX		16
 
-- 
2.18.0