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| author | Wu Zhangjin <wuzhangjin@gmail.com> | 2009-11-28 14:21:50 +0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-12-17 01:57:34 +0000 |
| commit | c3d8d85019c9e4f6e4f23d194b6432a2c2464372 (patch) | |
| tree | 644e1cf5e7f215fa6789d96bce9fac7e14666846 /arch/mips/include/asm | |
| parent | c47a48d83a7a82c86ff3e74bdcabeee8f6e6b730 (diff) | |
| download | blackbird-op-linux-c3d8d85019c9e4f6e4f23d194b6432a2c2464372.tar.gz blackbird-op-linux-c3d8d85019c9e4f6e4f23d194b6432a2c2464372.zip | |
MIPS: Loongson: Cleanups of serial port support
This patchs uses a loongson_uart_base variable instead of the
uart_base[] array and adds a new kernel option to avoid to compile
uart_base.c all the time, which will save a little bit of memory for us.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
http://patchwork.linux-mips.org/patch/727/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson/loongson.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h index 06c28f387116..ee8bc8376972 100644 --- a/arch/mips/include/asm/mach-loongson/loongson.h +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -31,9 +31,17 @@ extern void __init prom_init_memory(void); extern void __init prom_init_cmdline(void); extern void __init prom_init_machtype(void); extern void __init prom_init_env(void); -extern unsigned long _loongson_uart_base; -extern unsigned long uart8250_base[]; -extern void prom_init_uart_base(void); +#ifdef CONFIG_LOONGSON_UART_BASE +extern unsigned long _loongson_uart_base, loongson_uart_base; +extern void prom_init_loongson_uart_base(void); +#endif + +static inline void prom_init_uart_base(void) +{ +#ifdef CONFIG_LOONGSON_UART_BASE + prom_init_loongson_uart_base(); +#endif +} /* irq operation functions */ extern void bonito_irqdispatch(void); |
