[PATCH] openrisc: include: asm: define empty SERIAL_PORT_DFNS inserial.h

[Chen Gang]

For some architectures (e.g. openrisc, arc), BASE_BAUD isn't constant
And SERIAL_PORT_DFNS always use BASE_BAUND, and also all drivers use
SERIAL_PORT_DFNS to initialize static variables, statically.

So need define SERIAL_PORT_DFNS as empty to tell drivers they don't
support SERIAL_PORT_DFNS (mostly like frv and parisc did).


Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
 arch/openrisc/include/asm/serial.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/openrisc/include/asm/serial.h b/arch/openrisc/include/asm/serial.h
index 270a452..254d1ad 100644
--- a/arch/openrisc/include/asm/serial.h
+++ b/arch/openrisc/include/asm/serial.h
@@ -31,6 +31,8 @@
 
 #define BASE_BAUD (cpuinfo.clock_frequency/16)
 
+#define SERIAL_PORT_DFNS
+
 #endif /* __KERNEL__ */
 
 #endif /* __ASM_OPENRISC_SERIAL_H */
-- 
1.7.7.6
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