diff options
Diffstat (limited to '')
| -rw-r--r-- | udelay.c | 32 |
1 files changed, 18 insertions, 14 deletions
@@ -1,4 +1,4 @@ -/* $Id: udelay.c,v 1.17 2004/06/20 10:09:56 reinelt Exp $ +/* $Id: udelay.c,v 1.18 2004/09/18 09:48:29 reinelt Exp $ * * short delays * @@ -22,6 +22,10 @@ * * * $Log: udelay.c,v $ + * Revision 1.18 2004/09/18 09:48:29 reinelt + * HD44780 cleanup and prepararation for I2C backend + * LCM-162 submodel framework + * * Revision 1.17 2004/06/20 10:09:56 reinelt * * 'const'ified the whole source @@ -205,11 +209,11 @@ static void getCPUinfo (int *hasTSC, double *MHz) fd=open("/proc/cpuinfo", O_RDONLY); if (fd==-1) { - error ("open(/proc/cpuinfo) failed: %s", strerror(errno)); + error ("udelay: open(/proc/cpuinfo) failed: %s", strerror(errno)); return; } if (read (fd, &buffer, sizeof(buffer)-1)==-1) { - error ("read(/proc/cpuinfo) failed: %s", strerror(errno)); + error ("udelay: read(/proc/cpuinfo) failed: %s", strerror(errno)); close (fd); return; } @@ -217,26 +221,26 @@ static void getCPUinfo (int *hasTSC, double *MHz) p=strstr(buffer, "flags"); if (p==NULL) { - info ("/proc/cpuinfo has no 'flags' line"); + info ("udelay: /proc/cpuinfo has no 'flags' line"); } else { p=strstr(p, "tsc"); if (p==NULL) { - info ("CPU does not support Time Stamp Counter"); + info ("udelay: CPU does not support Time Stamp Counter"); } else { - info ("CPU supports Time Stamp Counter"); + info ("udelay: CPU supports Time Stamp Counter"); *hasTSC=1; } } p=strstr(buffer, "cpu MHz"); if (p==NULL) { - info ("/proc/cpuinfo has no 'cpu MHz' line"); + info ("udelay: /proc/cpuinfo has no 'cpu MHz' line"); } else { if (sscanf(p+7, " : %lf", MHz)!=1) { - error ("parse(/proc/cpuinfo) failed: unknown 'cpu MHz' format"); + error ("udelay: parse(/proc/cpuinfo) failed: unknown 'cpu MHz' format"); *MHz=-1; } else { - info ("CPU runs at %f MHz", *MHz); + info ("udelay: CPU runs at %f MHz", *MHz); } } @@ -254,17 +258,17 @@ void udelay_init (void) if (tsc && mhz>0.0) { ticks_per_usec=ceil(mhz); - info ("using TSC delay loop, %u ticks per microsecond", ticks_per_usec); + info ("udelay: using TSC delay loop, %u ticks per microsecond", ticks_per_usec); } else #else - error ("The file 'include/asm/msr.h' was missing at compile time."); - error ("Even if your CPU supports TSC, it will not be used!"); - error ("You *really* should install msr.h and recompile LCD4linux!"); + error ("udelay: The file 'include/asm/msr.h' was missing at compile time."); + error ("udelay: Even if your CPU supports TSC, it will not be used!"); + error ("udelay: You *really* should install msr.h and recompile LCD4linux!"); #endif { ticks_per_usec=0; - info ("using gettimeofday() delay loop"); + info ("udelay: using gettimeofday() delay loop"); } } |