[PATCH] hwmon: OCC drivers are PowerPC-only

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Don't propose PowerPC-only drivers on other architectures, unless
build-testing.

Also drop configuration symbol SENSORS_OCC which serves no purpose
that I can see.

Signed-off-by: Jean Delvare <jdelvare@xxxxxxx>
Cc: Eddie James <eajames@xxxxxxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
---
SENSORS_OCC *would* serve a purpose if the common code between the
POWER8 driver and the POWER9 driver would go in a separate, shared
module, and occ-p8-hwmon and occ-p9-hwmon would only contain the
specific code. This would avoid packaging the same code twice in 2
separate modules, therefore saving some storage space for ppc
distributions.

As far as I can see, this would simply require exporting 2 functions
(occ_setup and occ_shutdown). Is there any reason why things were not
done that way in the first place? This would look cleaner to me.

 drivers/hwmon/Makefile    |    2 +-
 drivers/hwmon/occ/Kconfig |    8 ++------
 2 files changed, 3 insertions(+), 7 deletions(-)

--- linux-5.0.orig/drivers/hwmon/occ/Kconfig	2019-03-04 00:21:29.000000000 +0100
+++ linux-5.0/drivers/hwmon/occ/Kconfig	2019-04-09 14:08:41.316551071 +0200
@@ -5,7 +5,7 @@
 config SENSORS_OCC_P8_I2C
 	tristate "POWER8 OCC through I2C"
 	depends on I2C
-	select SENSORS_OCC
+	depends on POWERPC || COMPILE_TEST
 	help
 	 This option enables support for monitoring sensors provided by the
 	 On-Chip Controller (OCC) on a POWER8 processor. Communications with
@@ -17,7 +17,7 @@ config SENSORS_OCC_P8_I2C
 config SENSORS_OCC_P9_SBE
 	tristate "POWER9 OCC through SBE"
 	depends on FSI_OCC
-	select SENSORS_OCC
+	depends on POWERPC || COMPILE_TEST
 	help
 	 This option enables support for monitoring sensors provided by the
 	 On-Chip Controller (OCC) on a POWER9 processor. Communications with
@@ -25,7 +25,3 @@ config SENSORS_OCC_P9_SBE
 
 	 This driver can also be built as a module. If so, the module will be
 	 called occ-p9-hwmon.
-
-config SENSORS_OCC
-	bool "POWER On-Chip Controller"
-	depends on SENSORS_OCC_P8_I2C || SENSORS_OCC_P9_SBE
--- linux-5.0.orig/drivers/hwmon/Makefile	2019-03-04 00:21:29.000000000 +0100
+++ linux-5.0/drivers/hwmon/Makefile	2019-04-09 14:33:49.605510047 +0200
@@ -178,7 +178,7 @@ obj-$(CONFIG_SENSORS_WM831X)	+= wm831x-h
 obj-$(CONFIG_SENSORS_WM8350)	+= wm8350-hwmon.o
 obj-$(CONFIG_SENSORS_XGENE)	+= xgene-hwmon.o
 
-obj-$(CONFIG_SENSORS_OCC)	+= occ/
+obj-y				+= occ/
 obj-$(CONFIG_PMBUS)		+= pmbus/
 
 ccflags-$(CONFIG_HWMON_DEBUG_CHIP) := -DDEBUG


-- 
Jean Delvare
SUSE L3 Support



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