[PATCH 5.15 110/484] mfd: rsmu: Split core code into separate module

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5.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@xxxxxxxx>

[ Upstream commit c879a8c39dd55e7fabdd8d13341f7bc5200db377 ]

Linking a file into two modules can have unintended side-effects
and produces a W=1 warning:

scripts/Makefile.build:236: drivers/mfd/Makefile: rsmu_core.o is added to multiple modules: rsmu-i2c rsmu-spi

Make this one a separate module instead.

Fixes: a1867f85e06e ("mfd: Add Renesas Synchronization Management Unit (SMU) support")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Link: https://lore.kernel.org/r/20240529094856.1869543-1-arnd@xxxxxxxxxx
Signed-off-by: Lee Jones <lee@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/mfd/Makefile    | 6 ++----
 drivers/mfd/rsmu_core.c | 2 ++
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 2ba6646e874cd..aa0d439142691 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -274,7 +274,5 @@ obj-$(CONFIG_MFD_INTEL_M10_BMC)   += intel-m10-bmc.o
 obj-$(CONFIG_MFD_ATC260X)	+= atc260x-core.o
 obj-$(CONFIG_MFD_ATC260X_I2C)	+= atc260x-i2c.o
 
-rsmu-i2c-objs			:= rsmu_core.o rsmu_i2c.o
-rsmu-spi-objs			:= rsmu_core.o rsmu_spi.o
-obj-$(CONFIG_MFD_RSMU_I2C)	+= rsmu-i2c.o
-obj-$(CONFIG_MFD_RSMU_SPI)	+= rsmu-spi.o
+obj-$(CONFIG_MFD_RSMU_I2C)	+= rsmu_i2c.o rsmu_core.o
+obj-$(CONFIG_MFD_RSMU_SPI)	+= rsmu_spi.o rsmu_core.o
diff --git a/drivers/mfd/rsmu_core.c b/drivers/mfd/rsmu_core.c
index 29437fd0bd5bf..fd04a6e5dfa31 100644
--- a/drivers/mfd/rsmu_core.c
+++ b/drivers/mfd/rsmu_core.c
@@ -78,11 +78,13 @@ int rsmu_core_init(struct rsmu_ddata *rsmu)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(rsmu_core_init);
 
 void rsmu_core_exit(struct rsmu_ddata *rsmu)
 {
 	mutex_destroy(&rsmu->lock);
 }
+EXPORT_SYMBOL_GPL(rsmu_core_exit);
 
 MODULE_DESCRIPTION("Renesas SMU core driver");
 MODULE_LICENSE("GPL");
-- 
2.43.0







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