Reformat consistently. Strictly whitespace changes only.

Indentation by tabs only.  Move case labels in switches are on the same
level as the switch keyword.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 253 insertions, 253 deletions

diff --git a/dmascc/dmascc_cfg.c b/dmascc/dmascc_cfg.c
index 80f27c0..fc4ae4c 100644
--- a/dmascc/dmascc_cfg.c
+++ b/dmascc/dmascc_cfg.c
@@ -62,280 +62,280 @@ struct scc_param {
 
 void usage(void)
 {
-  fprintf(stderr,
-	  "usage:   dmascc_cfg <interface> [ options ... ]\n\n"
-	  "options: --show         show updated configuration\n"
-	  "         --frequency f  frequency of baud rate generator in Hz\n"
-	  "         --nrzi n       NRZ (0) or NRZI (1) encoding\n"
-	  "         --clocks n     clock mode (see manual page)\n"
-	  "         --txdelay t    transmit delay in ms\n"
-	  "         --txpause t    inter-packet delay in ms\n"
-	  "         --txtimeout t  stop transmitting packets after t ms\n"
-	  "         --txtail t     transmit tail in ms\n"
-	  "         --rtsoff t     DCD settling time in ms (after RTS off)\n"
-	  "         --dcdon t      DCD settling time in ms (after DCD on)\n"
-	  "         --dcdoff t     DCD settling time in ms (after DCD off)\n"
-	  "         --slottime t   slot time in ms\n"
-	  "         --persist n    persistence parameter (1..256)\n"
-	  "         --waittime t   wait time after transmit in ms\n"
-	  "         --dma n        "
-	  "DMA channel: -1 (no DMA), 0 (S5SCC/DMA only), 1, 3\n"
-	  );
+	fprintf(stderr,
+		"usage:   dmascc_cfg <interface> [ options ... ]\n\n"
+		"options: --show         show updated configuration\n"
+		"         --frequency f  frequency of baud rate generator in Hz\n"
+		"         --nrzi n       NRZ (0) or NRZI (1) encoding\n"
+		"         --clocks n     clock mode (see manual page)\n"
+		"         --txdelay t    transmit delay in ms\n"
+		"         --txpause t    inter-packet delay in ms\n"
+		"         --txtimeout t  stop transmitting packets after t ms\n"
+		"         --txtail t     transmit tail in ms\n"
+		"         --rtsoff t     DCD settling time in ms (after RTS off)\n"
+		"         --dcdon t      DCD settling time in ms (after DCD on)\n"
+		"         --dcdoff t     DCD settling time in ms (after DCD off)\n"
+		"         --slottime t   slot time in ms\n"
+		"         --persist n    persistence parameter (1..256)\n"
+		"         --waittime t   wait time after transmit in ms\n"
+		"         --dma n        "
+		"DMA channel: -1 (no DMA), 0 (S5SCC/DMA only), 1, 3\n"
+	);
 }
 
 int main(int argc, char *argv[])
 {
-  int sk, show = 0, set = 0, old = 0, secondary;
-  struct ifreq ifr;
-  struct scc_param param;
-  char **option, *end, *error = NULL;
-  long hz = -1L;
+	int sk, show = 0, set = 0, old = 0, secondary;
+	struct ifreq ifr;
+	struct scc_param param;
+	char **option, *end, *error = NULL;
+	long hz = -1L;
 
-  if (argc < 2) {
-    usage();
-    return 1;
-  }
+	if (argc < 2) {
+		usage();
+		return 1;
+	}
 
-  if ((sk = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
-    perror("socket");
-    return 2;
-  }
+	if ((sk = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		perror("socket");
+		return 2;
+	}
 
-  memset(&param, 0, sizeof(param));
-  param.txpause = -1;
+	memset(&param, 0, sizeof(param));
+	param.txpause = -1;
 
-  if (strncmp(argv[1], "dmascc", 6)) {
-    fprintf(stderr, "invalid interface name.\n");
-    return 5;
-  }
+	if (strncmp(argv[1], "dmascc", 6)) {
+		fprintf(stderr, "invalid interface name.\n");
+		return 5;
+	}
 
-  strncpy(ifr.ifr_name, argv[1], IFNAMSIZ);
-  ifr.ifr_data = (caddr_t) &param;
-  if (ioctl(sk, SIOCGSCCPARAM, &ifr) < 0) {
-    perror("ioctl");
-    close(sk);
-    return 3;
-  }
+	strncpy(ifr.ifr_name, argv[1], IFNAMSIZ);
+	ifr.ifr_data = (caddr_t) &param;
+	if (ioctl(sk, SIOCGSCCPARAM, &ifr) < 0) {
+		perror("ioctl");
+		close(sk);
+		return 3;
+	}
 
-  if (param.txpause == -1) {
-    param.txpause = 0;
-    old = 1;
-  }
+	if (param.txpause == -1) {
+		param.txpause = 0;
+		old = 1;
+	}
 
 #ifdef	_SC_CLK_TCKxx
-  hz = sysconf(_SC_CLK_TCK);
-  if (hz == -1)
-	perror("sysconf(_SC_CLK_TCK)");
+	hz = sysconf(_SC_CLK_TCK);
+	if (hz == -1)
+		perror("sysconf(_SC_CLK_TCK)");
 #endif
-  if (hz == -1) {
+	if (hz == -1) {
 #ifdef	HZ
-	hz = HZ;
+		hz = HZ;
 #else
-	hz = 100;
+		hz = 100;
 #endif
-	fprintf(stderr, "warning: cannot dermine the clock rate HZ on which this system is running.\n");
-	fprintf(stderr, "         Assuming %ld, what may be wrong.\n", hz);
-  }
+		fprintf(stderr, "warning: cannot dermine the clock rate HZ on which this system is running.\n");
+		fprintf(stderr, "         Assuming %ld, what may be wrong.\n", hz);
+	}
 
-  secondary = argv[1][strlen(argv[1])-1]%2;
+	secondary = argv[1][strlen(argv[1])-1]%2;
 
-  option = argv + 2;
-  while (!error && *option != NULL) {
-    if (!strcmp(*option, "--show")) {
-      show = 1;
-      option++;
-    } else if (!strcmp(*option, "--frequency")) {
-      option++;
-      if (*option != NULL) {
-	double f;
-	set = 1;
-	f = strtod(*option++, &end);
-	if (*end) error = "frequency not a number";
-	else {
-	  if (f < 0.0) error = "frequency < 0";
-	  else if (f == 0.0) param.brg_tc = -1;
-	  else {
-	    param.brg_tc = param.pclk_hz / (f * 2) - 2;
-	    if (param.brg_tc > 0xffff) error = "frequency too low";
-	    if (param.brg_tc < 0) error = "frequency too high";
-	  }
+	option = argv + 2;
+	while (!error && *option != NULL) {
+		if (!strcmp(*option, "--show")) {
+			show = 1;
+			option++;
+		} else if (!strcmp(*option, "--frequency")) {
+			option++;
+			if (*option != NULL) {
+				double f;
+				set = 1;
+				f = strtod(*option++, &end);
+				if (*end) error = "frequency not a number";
+				else {
+					if (f < 0.0) error = "frequency < 0";
+					else if (f == 0.0) param.brg_tc = -1;
+					else {
+						param.brg_tc = param.pclk_hz / (f * 2) - 2;
+						if (param.brg_tc > 0xffff) error = "frequency too low";
+						if (param.brg_tc < 0) error = "frequency too high";
+					}
+				}
+			} else error = "--frequency requires parameter";
+		} else if (!strcmp(*option, "--nrzi")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.nrzi = strtol(*option++, &end, 0);
+				if (*end || param.nrzi < 0 || param.nrzi > 1)
+				error = "nrzi must be 0 or 1";
+			} else error = "--nrzi requires parameter";
+		} else if (!strcmp(*option, "--clocks")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.clocks = strtol(*option++, &end, 0);
+				if (*end) error = "clock mode not a number";
+				else if ((param.clocks & ~0x7f)) error = "invalid clock mode";
+			} else error = "--clocks requires parameter";
+		} else if (!strcmp(*option, "--txdelay")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.txdelay = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "txdelay not a number";
+				else if (param.txdelay < 0) error = "txdelay < 0";
+				else if (param.txdelay > 0xffff) error = "txdelay too large";
+			} else error = "--txdelay requires parameter";
+		} else if (!strcmp(*option, "--txpause")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.txpause = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "txpause not a number";
+				else if (param.txpause < 0) error = "txpause < 0";
+				else if (param.txpause > 0xffff) error = "txpause too large";
+				if (old && param.txpause != 0)
+					fprintf(stderr, "warning: old driver; txpause not supported.\n");
+			} else error = "--txpause requires parameter";
+		} else if (!strcmp(*option, "--txtimeout")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.txtimeout = hz * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "txtimeout not a number";
+				else if (param.txtimeout < 0) error = "txtimeout < 0";
+			} else error = "--txtimeout requires parameter";
+		} else if (!strcmp(*option, "--txtail")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.txtail = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "txtail not a number";
+				else if (param.txtail < 0) error = "txtail < 0";
+				else if (param.txtail > 0xffff) error = "txtail too large";
+			} else error = "--txtail requires parameter";
+		} else if (!strcmp(*option, "--rtsoff")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.rtsoff = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "rtsoff not a number";
+				else if (param.rtsoff < 0) error = "rtsoff < 0";
+				else if (param.rtsoff > 0xffff) error = "rtsoff too large";
+				if (old && param.rtsoff != 0)
+					fprintf(stderr, "warning: old driver; rtsoff not supported.\n");
+			} else error = "--rtsoff requires parameter";
+		} else if (!strcmp(*option, "--dcdon")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.dcdon = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "dcdon not a number";
+				else if (param.dcdon < 0) error = "dcdon < 0";
+				else if (param.dcdon > 0xffff) error = "dcdon too large";
+				if (old && param.dcdon != 0)
+					fprintf(stderr, "warning: old driver; dcdon not supported.\n");
+			} else error = "--dcdon requires parameter";
+		} else if (!strcmp(*option, "--dcdoff")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.dcdoff = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "dcdoff not a number";
+				else if (param.dcdoff < 0) error = "dcdoff < 0";
+				else if (param.dcdoff > 0xffff) error = "dcdoff too large";
+				if (old && param.dcdoff != 0)
+					fprintf(stderr, "warning: old driver; dcdoff not supported.\n");
+			} else error = "--dcdoff requires parameter";
+		} else if (!strcmp(*option, "--slottime")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.slottime = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "slottime not a number";
+				else if (param.slottime < 0) error = "slottime < 0";
+				else if (param.slottime > 0xffff) error = "slottime too large";
+			} else error = "--slottime requires parameter";
+		} else if (!strcmp(*option, "--persist")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.persist = strtol(*option++, &end, 0);
+				if (*end) error = "persist not a number";
+				else if (param.persist < 1) error = "persist < 1";
+				else if (param.persist > 256) error = "persist > 256";
+			} else error = "--persist requires parameter";
+		} else if (!strcmp(*option, "--waittime")) {
+			option++;
+			if (*option != NULL) {
+				set = 1;
+				param.waittime = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
+				if (*end) error = "waittime not a number";
+				else if (param.waittime < 0) error = "waittime < 0";
+				else if (param.waittime > 0xffff) error = "waittime too large";
+			} else error = "--waittime requires parameter";
+		} else if (!strcmp(*option, "--dma")) {
+			option++;
+			if (*option != NULL) {
+				int dma = param.dma;
+				set = 1;
+				param.dma = strtol(*option++, &end, 0);
+				if (*end) error = "DMA channel not a number";
+				else if (secondary && param.dma != -1)
+					error = "SCC port B must have DMA disabled";
+				else if (param.dma < -1 || param.dma == 2 || param.dma > 3)
+					error = "invalid DMA channel";
+				else if (param.pclk_hz != 9830400 && param.dma == 0)
+					error = "only S5SCC/DMA supports DMA channel 0";
+				else if (old && param.dma == 0)
+					error = "old driver; DMA channel 0 not supported";
+				else if (old && param.dma == -1 && dma > 0)
+					error = "old driver; reload module or reboot to disable DMA";
+				else if (old && param.dma == -1 && dma == 0)
+				param.dma = 0;
+			} else error = "--dma requires parameter";
+		} else error = "invalid option";
 	}
-      } else error = "--frequency requires parameter";
-    } else if (!strcmp(*option, "--nrzi")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.nrzi = strtol(*option++, &end, 0);
-	if (*end || param.nrzi < 0 || param.nrzi > 1)
-	  error = "nrzi must be 0 or 1";
-      } else error = "--nrzi requires parameter";
-    } else if (!strcmp(*option, "--clocks")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.clocks = strtol(*option++, &end, 0);
-	if (*end) error = "clock mode not a number";
-	else if ((param.clocks & ~0x7f)) error = "invalid clock mode";
-      } else error = "--clocks requires parameter";
-    } else if (!strcmp(*option, "--txdelay")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.txdelay = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "txdelay not a number";
-	else if (param.txdelay < 0) error = "txdelay < 0";
-	else if (param.txdelay > 0xffff) error = "txdelay too large";
-      } else error = "--txdelay requires parameter";
-    } else if (!strcmp(*option, "--txpause")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.txpause = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "txpause not a number";
-	else if (param.txpause < 0) error = "txpause < 0";
-	else if (param.txpause > 0xffff) error = "txpause too large";
-	if (old && param.txpause != 0)
-	  fprintf(stderr, "warning: old driver; txpause not supported.\n");
-      } else error = "--txpause requires parameter";
-    } else if (!strcmp(*option, "--txtimeout")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.txtimeout = hz * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "txtimeout not a number";
-	else if (param.txtimeout < 0) error = "txtimeout < 0";
-      } else error = "--txtimeout requires parameter";
-    } else if (!strcmp(*option, "--txtail")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.txtail = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "txtail not a number";
-	else if (param.txtail < 0) error = "txtail < 0";
-	else if (param.txtail > 0xffff) error = "txtail too large";
-      } else error = "--txtail requires parameter";
-    } else if (!strcmp(*option, "--rtsoff")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.rtsoff = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "rtsoff not a number";
-	else if (param.rtsoff < 0) error = "rtsoff < 0";
-	else if (param.rtsoff > 0xffff) error = "rtsoff too large";
-	if (old && param.rtsoff != 0)
-	  fprintf(stderr, "warning: old driver; rtsoff not supported.\n");
-      } else error = "--rtsoff requires parameter";
-    } else if (!strcmp(*option, "--dcdon")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.dcdon = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "dcdon not a number";
-	else if (param.dcdon < 0) error = "dcdon < 0";
-	else if (param.dcdon > 0xffff) error = "dcdon too large";
-	if (old && param.dcdon != 0)
-	  fprintf(stderr, "warning: old driver; dcdon not supported.\n");
-      } else error = "--dcdon requires parameter";
-    } else if (!strcmp(*option, "--dcdoff")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.dcdoff = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "dcdoff not a number";
-	else if (param.dcdoff < 0) error = "dcdoff < 0";
-	else if (param.dcdoff > 0xffff) error = "dcdoff too large";
-	if (old && param.dcdoff != 0)
-	  fprintf(stderr, "warning: old driver; dcdoff not supported.\n");
-      } else error = "--dcdoff requires parameter";
-    } else if (!strcmp(*option, "--slottime")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.slottime = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "slottime not a number";
-	else if (param.slottime < 0) error = "slottime < 0";
-	else if (param.slottime > 0xffff) error = "slottime too large";
-      } else error = "--slottime requires parameter";
-    } else if (!strcmp(*option, "--persist")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.persist = strtol(*option++, &end, 0);
-	if (*end) error = "persist not a number";
-	else if (param.persist < 1) error = "persist < 1";
-	else if (param.persist > 256) error = "persist > 256";
-      } else error = "--persist requires parameter";
-    } else if (!strcmp(*option, "--waittime")) {
-      option++;
-      if (*option != NULL) {
-	set = 1;
-	param.waittime = TMR_0_HZ * strtod(*option++, &end) / 1000.0;
-	if (*end) error = "waittime not a number";
-	else if (param.waittime < 0) error = "waittime < 0";
-	else if (param.waittime > 0xffff) error = "waittime too large";
-      } else error = "--waittime requires parameter";
-    } else if (!strcmp(*option, "--dma")) {
-      option++;
-      if (*option != NULL) {
-	int dma = param.dma;
-	set = 1;
-	param.dma = strtol(*option++, &end, 0);
-	if (*end) error = "DMA channel not a number";
-	else if (secondary && param.dma != -1)
-	  error = "SCC port B must have DMA disabled";
-	else if (param.dma < -1 || param.dma == 2 || param.dma > 3)
-	  error = "invalid DMA channel";
-	else if (param.pclk_hz != 9830400 && param.dma == 0)
-	  error = "only S5SCC/DMA supports DMA channel 0";
-	else if (old && param.dma == 0)
-	  error = "old driver; DMA channel 0 not supported";
-	else if (old && param.dma == -1 && dma > 0)
-	  error = "old driver; reload module or reboot to disable DMA";
-	else if (old && param.dma == -1 && dma == 0)
-	  param.dma = 0;
-      } else error = "--dma requires parameter";
-    } else error = "invalid option";
-  }
 
-  if (error) {
-    fprintf(stderr, "usage error: %s.\n", error);
-    close(sk);
-    return 1;
-  }
+	if (error) {
+		fprintf(stderr, "usage error: %s.\n", error);
+		close(sk);
+		return 1;
+	}
 
-  if (set) {
-    if (ioctl(sk, SIOCSSCCPARAM, &ifr) < 0) {
-      perror("ioctl");
-      close(sk);
-      return 4;
-    }
-  }
+	if (set) {
+		if (ioctl(sk, SIOCSSCCPARAM, &ifr) < 0) {
+			perror("ioctl");
+			close(sk);
+			return 4;
+		}
+	}
 
-  if (show) {
-    double f;
-    if (param.brg_tc < 0) f = 0.0;
-    else f = ((double) param.pclk_hz) / ( 2 * (param.brg_tc + 2));
-    printf("dmascc_cfg %s \\\n--frequency %.2f --nrzi %d --clocks 0x%02X "
-	   "--txdelay %.2f \\\n--txpause %.2f --txtimeout %.2f "
-	   "--txtail %.2f --rtsoff %.2f \\\n--dcdon %.2f --dcdoff %.2f "
-	   "--slottime %.2f --persist %d \\\n--waittime %.2f --dma %d\n",
-	   argv[1],
-	   f,
-	   param.nrzi,
-	   param.clocks,
-	   param.txdelay * 1000.0 / TMR_0_HZ,
-	   param.txpause * 1000.0 / TMR_0_HZ,
-	   param.txtimeout * 1000.0 / hz,
-	   param.txtail * 1000.0 / TMR_0_HZ,
-	   param.rtsoff * 1000.0 / TMR_0_HZ,
-	   param.dcdon * 1000.0 / TMR_0_HZ,
-	   param.dcdoff * 1000.0 / TMR_0_HZ,
-	   param.slottime * 1000.0 / TMR_0_HZ,
-	   param.persist,
-	   param.waittime * 1000.0 / TMR_0_HZ,
-	   (old && param.dma == 0) ? -1 : param.dma);
-  }
+	if (show) {
+		double f;
+		if (param.brg_tc < 0) f = 0.0;
+		else f = ((double) param.pclk_hz) / ( 2 * (param.brg_tc + 2));
+		printf("dmascc_cfg %s \\\n--frequency %.2f --nrzi %d --clocks 0x%02X "
+		       "--txdelay %.2f \\\n--txpause %.2f --txtimeout %.2f "
+		       "--txtail %.2f --rtsoff %.2f \\\n--dcdon %.2f --dcdoff %.2f "
+		       "--slottime %.2f --persist %d \\\n--waittime %.2f --dma %d\n",
+		       argv[1],
+		       f,
+		       param.nrzi,
+		       param.clocks,
+		       param.txdelay * 1000.0 / TMR_0_HZ,
+		       param.txpause * 1000.0 / TMR_0_HZ,
+		       param.txtimeout * 1000.0 / hz,
+		       param.txtail * 1000.0 / TMR_0_HZ,
+		       param.rtsoff * 1000.0 / TMR_0_HZ,
+		       param.dcdon * 1000.0 / TMR_0_HZ,
+		       param.dcdoff * 1000.0 / TMR_0_HZ,
+		       param.slottime * 1000.0 / TMR_0_HZ,
+		       param.persist,
+		       param.waittime * 1000.0 / TMR_0_HZ,
+		       (old && param.dma == 0) ? -1 : param.dma);
+	}
 
-  close(sk);
-  return 0;
+	close(sk);
+	return 0;
 }