[PATCH] clk: mediatek: adjust dependency of reset.c to avoid unexpectedly being built

From: sean.wang
Date: Mon Dec 25 2017 - 22:52:59 EST


From: Sean Wang <sean.wang@xxxxxxxxxxxx>

commit 74cb0d6dde8 ("clk: mediatek: fixup test-building of MediaTek clock
drivers") can let the build system looking into the directory where the
clock drivers resides and then allow test-building the drivers.

But the change also gives rise to certain incorrect behavior which is
reset.c being built even not depending on either COMPILE_TEST or
ARCH_MEDIATEK alternative dependency. To get rid of reset.c being built
unexpectedly on the other platforms, it would be a good change that the
file should be built depending on its own specific configuration rather
than just on generic RESET_CONTROLLER one.

Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
Cc: Jean Delvare <jdelvare@xxxxxxx>
---
drivers/clk/mediatek/Kconfig | 7 +++++++
drivers/clk/mediatek/Makefile | 2 +-
drivers/clk/mediatek/clk-mtk.h | 2 +-
3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 7338f81..52d880a 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -9,6 +9,13 @@ config COMMON_CLK_MEDIATEK
---help---
MediaTek SoCs' clock support.

+config RESET_MEDIATEK
+ bool "MediaTek Reset Driver"
+ depends on ARCH_MEDIATEK || COMPILE_TEST
+ depends on RESET_CONTROLLER
+ help
+ This enables the reset controller driver used on MediaTek SoCs.
+
config COMMON_CLK_MT2701
bool "Clock driver for MediaTek MT2701"
depends on (ARCH_MEDIATEK && ARM) || COMPILE_TEST
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index c421ffc..2a48006 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_COMMON_CLK_MEDIATEK) += clk-mtk.o clk-pll.o clk-gate.o clk-apmixed.o clk-cpumux.o
-obj-$(CONFIG_RESET_CONTROLLER) += reset.o
+obj-$(CONFIG_RESET_MEDIATEK) += reset.o
obj-$(CONFIG_COMMON_CLK_MT6797) += clk-mt6797.o
obj-$(CONFIG_COMMON_CLK_MT6797_IMGSYS) += clk-mt6797-img.o
obj-$(CONFIG_COMMON_CLK_MT6797_MMSYS) += clk-mt6797-mm.o
diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
index bf8006d..0322dec 100644
--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -229,7 +229,7 @@ void mtk_clk_register_plls(struct device_node *node,
struct clk *mtk_clk_register_ref2usb_tx(const char *name,
const char *parent_name, void __iomem *reg);

-#ifdef CONFIG_RESET_CONTROLLER
+#ifdef CONFIG_RESET_MEDIATEK
void mtk_register_reset_controller(struct device_node *np,
unsigned int num_regs, int regofs);
#else
--
2.7.4