[PATCH] MIPS: mach-xburst: fix DEBUG_LL=n build error

[Antony Pavlov]

Here is my error log:

  CC      common/startup.o
In file included from arch/mips/mach-xburst/include/mach/debug_ll.h:25,
                 from include/debug_ll.h:31,
                 from common/startup.c:36:
arch/mips/include/asm/debug_ll_ns16550.h: In function 'PUTC_LL':
arch/mips/include/asm/debug_ll_ns16550.h:62: error: 'DEBUG_LL_UART_ADDR' undeclared (first use in this function)
arch/mips/include/asm/debug_ll_ns16550.h:62: error: (Each undeclared identifier is reported only once
arch/mips/include/asm/debug_ll_ns16550.h:62: error: for each function it appears in.)
make[1]: *** [common/startup.o] Error 1

Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
 arch/mips/include/asm/debug_ll_ns16550.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/include/asm/debug_ll_ns16550.h b/arch/mips/include/asm/debug_ll_ns16550.h
index f36010c..032f0a2 100644
--- a/arch/mips/include/asm/debug_ll_ns16550.h
+++ b/arch/mips/include/asm/debug_ll_ns16550.h
@@ -59,9 +59,11 @@
 
 static __inline__ void PUTC_LL(char ch)
 {
+#ifdef CONFIG_DEBUG_LL
 	while (!(__raw_readb((u8 *)DEBUG_LL_UART_ADDR + UART_LSR) & UART_LSR_THRE))
 		;
 	__raw_writeb(ch, (u8 *)DEBUG_LL_UART_ADDR + UART_THR);
+#endif /* CONFIG_DEBUG_LL */
 }
 #else /* __ASSEMBLY__ */
 /*
-- 
1.9.0