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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-12 18:03:42 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-12 18:03:42 +0200 |
commit | 8d97b84935b28ed8944d1be31859a3df7ebe93ae (patch) | |
tree | ed0f23dde45812aec86a9ff0c14df3477f9d136c /arch/mips/au1000/common/puts.c | |
parent | Fix c67x00-ll-hpi compilation failure (bug #10627) (diff) | |
parent | [MIPS] Pb1000: bury the remnants of the PCI code (diff) | |
download | linux-8d97b84935b28ed8944d1be31859a3df7ebe93ae.tar.xz linux-8d97b84935b28ed8944d1be31859a3df7ebe93ae.zip |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (28 commits)
[MIPS] Pb1000: bury the remnants of the PCI code
[MIPS] Fix build failure in mips oprofile code
[MIPS] fix warning message on SMP kernels
[MIPS] markeins: build fix
[MIPS] ELF handling - use SELFMAG instead of numeric constant
[MIPS] Get rid of __ilog2
[MIPS] Fix __fls for non-MIPS32/MIPS64 cpus
[MIPS] XXS1500 code style cleanup
[MIPS] MTX-1 code style cleanup
[MIPS] Pb1200/DBAu1200 code style cleanup
[MIPS] Pb1550 code style cleanup
[MIPS] Pb1500 code style cleanup
[MIPS] Pb1100 code style cleanup
[MIPS] Pb1000 code style cleanup
[MIPS] DBAu1xx0 code style cleanup
[MIPS] Alchemy PCI code style cleanup
[MIPS] Alchemy common code style cleanup
[MIPS] Alchemy common headers style cleanup
[MIPS] Add empty argument parenthesis to GCC_IMM_ASM
[MIPS] msp_hwbutton.c: minor irq handler cleanups
...
Diffstat (limited to 'arch/mips/au1000/common/puts.c')
-rw-r--r-- | arch/mips/au1000/common/puts.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/arch/mips/au1000/common/puts.c b/arch/mips/au1000/common/puts.c index e34c67e89293..55bbe24d45b6 100644 --- a/arch/mips/au1000/common/puts.c +++ b/arch/mips/au1000/common/puts.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * Low level uart routines to directly access a 16550 uart. + * Low level UART routines to directly access Alchemy UART. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -40,12 +39,12 @@ static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE; - #ifdef SLOW_DOWN static inline void slow_down(void) { - int k; - for (k=0; k<10000; k++); + int k; + + for (k = 0; k < 10000; k++); } #else #define slow_down() @@ -54,16 +53,16 @@ static inline void slow_down(void) void prom_putchar(const unsigned char c) { - unsigned char ch; - int i = 0; + unsigned char ch; + int i = 0; + + do { + ch = com1[SER_CMD]; + slow_down(); + i++; + if (i > TIMEOUT) + break; + } while (0 == (ch & TX_BUSY)); - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i>TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = c; + com1[SER_DATA] = c; } |