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scpi: hide get_scpi_ops in module from built-in code 

The scpi_clock driver can be built-in when CONFIG_COMPILE_TEST
is set even when ARM_SCPI_PROTOCOL is a loadable module, and
that results in a link error:

drivers/built-in.o: In function `scpi_clocks_probe':
(.text+0x14453c): undefined reference to `get_scpi_ops'

Using #if IS_REACHABLE() around the get_scpi_ops() declaration
makes it build successfully in this case for compile-testing,
but the effect is the same as when ARM_SCPI_PROTOCOL is
disabled, as the code will not be used.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
This commit is contained in:
Arnd Bergmann 2015-11-16 22:34:58 +01:00
parent f9d6fa5d83
commit 851df3dc11
1 changed files with 1 additions and 1 deletions
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2
include/linux/scpi_protocol.h
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@ -71,7 +71,7 @@ struct scpi_ops {
int (*sensor_get_value)(u16, u32 *); int (*sensor_get_value)(u16, u32 *);
}; };
#if IS_ENABLED(CONFIG_ARM_SCPI_PROTOCOL) #if IS_REACHABLE(CONFIG_ARM_SCPI_PROTOCOL)
struct scpi_ops *get_scpi_ops(void); struct scpi_ops *get_scpi_ops(void);
#else #else
static inline struct scpi_ops *get_scpi_ops(void) { return NULL; } static inline struct scpi_ops *get_scpi_ops(void) { return NULL; }