sys/dev: minor spelling fixes.

Most affect comments, very few have user-visible effects.

4 files changed, 13 insertions, 13 deletions

diff --git a/sys/dev/ppbus/lpt.c b/sys/dev/ppbus/lpt.c
index 3a28efd2..ce08ccc 100644
--- a/sys/dev/ppbus/lpt.c
+++ b/sys/dev/ppbus/lpt.c
@@ -113,7 +113,7 @@ struct lpt_data {
 	   prime once */
 	u_char	sc_control;
 	char	sc_flags;
-#define	LP_POS_INIT	0x04	/* if we are a postive init signal */
+#define	LP_POS_INIT	0x04	/* if we are a positive init signal */
 #define	LP_POS_ACK	0x08	/* if we are a positive going ack */
 #define	LP_NO_PRIME	0x10	/* don't prime the printer at all */
 #define	LP_PRIMEOPEN	0x20	/* prime on every open */
diff --git a/sys/dev/ppbus/ppb_1284.c b/sys/dev/ppbus/ppb_1284.c
index e909e8e..31f38ce 100644
--- a/sys/dev/ppbus/ppb_1284.c
+++ b/sys/dev/ppbus/ppb_1284.c
@@ -103,14 +103,14 @@ ppb_1284_get_state(device_t bus)
 /*
  * ppb_1284_set_state()
  *
- * Change IEEE1284 state if no error occured
+ * Change IEEE1284 state if no error occurred
  */
 int
 ppb_1284_set_state(device_t bus, int state)
 {
 	struct ppb_data *ppb = DEVTOSOFTC(bus);
 
-	/* call ppb_1284_reset_error() if you absolutly want to change
+	/* call ppb_1284_reset_error() if you absolutely want to change
 	 * the state from PPB_ERROR to another */
 	mtx_assert(ppb->ppc_lock, MA_OWNED);
 	if ((ppb->state != PPB_ERROR) &&
@@ -191,7 +191,7 @@ ppb_request_mode(int mode, int options)
 /*
  * ppb_peripheral_negociate()
  *
- * Negociate the peripheral side
+ * Negotiate the peripheral side
  */
 int
 ppb_peripheral_negociate(device_t bus, int mode, int options)
@@ -249,7 +249,7 @@ ppb_peripheral_negociate(device_t bus, int mode, int options)
 #ifdef DEBUG_1284
 			printf("A");
 #endif
-			/* negociation succeeds */
+			/* negotiation succeeds */
 		}
 	} else {
 		/* Event 5 - mode not supported */
@@ -648,11 +648,11 @@ ppb_1284_read(device_t bus, int mode, char *buffer,
 /*
  * ppb_1284_negociate()
  *
- * IEEE1284 negociation phase
+ * IEEE1284 negotiation phase
  *
  * Normal nibble mode or request device id mode (see ppb_1284.h)
  *
- * After negociation, nFAULT is low if data is available
+ * After negotiation, nFAULT is low if data is available
  */
 int
 ppb_1284_negociate(device_t bus, int mode, int options)
@@ -677,7 +677,7 @@ ppb_1284_negociate(device_t bus, int mode, int options)
 	/* ensure the host is in compatible mode */
 	ppb_set_mode(bus, PPB_COMPATIBLE);
 
-	/* reset error to catch the actual negociation error */
+	/* reset error to catch the actual negotiation error */
 	ppb_1284_reset_error(bus, PPB_FORWARD_IDLE);
 
 	/* calculate ext. value */
@@ -687,7 +687,7 @@ ppb_1284_negociate(device_t bus, int mode, int options)
 	ppb_wctr(bus, (nINIT | SELECTIN) & ~(STROBE | AUTOFEED));
 	DELAY(1);
 
-	/* enter negociation phase */
+	/* enter negotiation phase */
 	ppb_1284_set_state(bus, PPB_NEGOCIATION);
 
 	/* Event 0 - put the exten. value on the data lines */
@@ -769,7 +769,7 @@ ppb_1284_negociate(device_t bus, int mode, int options)
 		ppb_1284_set_state(bus, PPB_REVERSE_IDLE);
 		break;
 	case PPB_ECP:
-		/* negociation ok, now setup the communication */
+		/* negotiation ok, now setup the communication */
 		ppb_1284_set_state(bus, PPB_SETUP);
 		ppb_wctr(bus, (nINIT | AUTOFEED) & ~(SELECTIN | STROBE));
 
@@ -825,7 +825,7 @@ ppb_1284_terminate(device_t bus)
 #endif
 
 	/* do not reset error here to keep the error that
-	 * may occured before the ppb_1284_terminate() call */
+	 * may occurred before the ppb_1284_terminate() call */
 	ppb_1284_set_state(bus, PPB_TERMINATION);
 
 #ifdef PERIPH_1284
diff --git a/sys/dev/ppbus/vpo.c b/sys/dev/ppbus/vpo.c
index f508275..d9e7cb8 100644
--- a/sys/dev/ppbus/vpo.c
+++ b/sys/dev/ppbus/vpo.c
@@ -221,7 +221,7 @@ vpo_intr(struct vpo_data *vpo, struct ccb_scsiio *csio)
 		return;
 	}
 
-	/* if a timeout occured, no sense */
+	/* if a timeout occurred, no sense */
 	if (vpo->vpo_error) {
 		if (vpo->vpo_error != VP0_ESELECT_TIMEOUT)
 			device_printf(vpo->vpo_dev, "VP0 error/timeout (%d)\n",
diff --git a/sys/dev/ppbus/vpoio.c b/sys/dev/ppbus/vpoio.c
index 62af869..a989e8d1 100644
--- a/sys/dev/ppbus/vpoio.c
+++ b/sys/dev/ppbus/vpoio.c
@@ -382,7 +382,7 @@ vpoio_detect(struct vpoio_data *vpo)
 		/* The interface must be at least PS/2 or NIBBLE capable.
 		 * There is no way to know if the ZIP will work with
 		 * PS/2 mode since PS/2 and SPP both use the same connect
-		 * sequence. One must supress PS/2 with boot flags if
+		 * sequence. One must suppress PS/2 with boot flags if
 		 * PS/2 mode fails (see ppc(4)).
 		 */
 		if (ppb_set_mode(ppbus, PPB_PS2) != -1) {