"Buses" is the preferred plural of "bus"

Replace archaic "busses" with modern form "buses."

Intentionally excluded:
* Old/random drivers I didn't recognize
  * Old hardware in general
* Use of "busses" in code as identifiers

No functional change.

http://grammarist.com/spelling/buses-busses/

PR:		216099
Reported by:	bltsrc at mail.ru
Sponsored by:	Dell EMC Isilon

13 files changed, 18 insertions, 18 deletions

diff --git a/sys/dev/bhnd/bhnd.h b/sys/dev/bhnd/bhnd.h
index 0e4e03a42fc8..2532c9d07092 100644
--- a/sys/dev/bhnd/bhnd.h
+++ b/sys/dev/bhnd/bhnd.h
@@ -77,7 +77,7 @@ enum bhnd_device_vars {
  */
 enum {
 	BHND_PROBE_ROOT         = 0,    /**< Nexus or host bridge */
-	BHND_PROBE_BUS		= 1000,	/**< Busses and bridges */
+	BHND_PROBE_BUS		= 1000,	/**< Buses and bridges */
 	BHND_PROBE_CPU		= 2000,	/**< CPU devices */
 	BHND_PROBE_INTERRUPT	= 3000,	/**< Interrupt controllers. */
 	BHND_PROBE_TIMER	= 4000,	/**< Timers and clocks. */
diff --git a/sys/dev/fdt/simplebus.c b/sys/dev/fdt/simplebus.c
index 8d43a7057bcf..f9bea0e6d444 100644
--- a/sys/dev/fdt/simplebus.c
+++ b/sys/dev/fdt/simplebus.c
@@ -125,7 +125,7 @@ simplebus_probe(device_t dev)
 
 	/*
 	 * FDT data puts a "simple-bus" compatible string on many things that
-	 * have children but aren't really busses in our world.  Without a
+	 * have children but aren't really buses in our world.  Without a
 	 * ranges property we will fail to attach, so just fail to probe too.
 	 */
 	if (!(ofw_bus_is_compatible(dev, "simple-bus") &&
diff --git a/sys/dev/isp/isp.c b/sys/dev/isp/isp.c
index e6ee8ca00cf2..b13a152e1a92 100644
--- a/sys/dev/isp/isp.c
+++ b/sys/dev/isp/isp.c
@@ -4396,7 +4396,7 @@ isp_start(XS_T *xs)
 
 	/*
 	 * Now see if we need to synchronize the ISP with respect to anything.
-	 * We do dual duty here (cough) for synchronizing for busses other
+	 * We do dual duty here (cough) for synchronizing for buses other
 	 * than which we got here to send a command to.
 	 */
 	reqp = (ispreq_t *) local;
diff --git a/sys/dev/mmc/mmcreg.h b/sys/dev/mmc/mmcreg.h
index ba4ca93a178a..3f516c96fc31 100644
--- a/sys/dev/mmc/mmcreg.h
+++ b/sys/dev/mmc/mmcreg.h
@@ -55,7 +55,7 @@
 #define	DEV_MMC_MMCREG_H
 
 /*
- * This file contains the register definitions for the mmc and sd busses.
+ * This file contains the register definitions for the mmc and sd buses.
  * They are taken from publicly available sources.
  */
 
diff --git a/sys/dev/mpt/mpt.c b/sys/dev/mpt/mpt.c
index 6d7b12626b84..1d8054f83af8 100644
--- a/sys/dev/mpt/mpt.c
+++ b/sys/dev/mpt/mpt.c
@@ -1544,7 +1544,7 @@ mpt_get_portfacts(struct mpt_softc *mpt, U8 port, MSG_PORT_FACTS_REPLY *freplp)
 
 /*
  * Send the initialization request. This is where we specify how many
- * SCSI busses and how many devices per bus we wish to emulate.
+ * SCSI buses and how many devices per bus we wish to emulate.
  * This is also the command that specifies the max size of the reply
  * frames from the IOC that we will be allocating.
  */
@@ -1559,7 +1559,7 @@ mpt_send_ioc_init(struct mpt_softc *mpt, uint32_t who)
 	init.WhoInit = who;
 	init.Function = MPI_FUNCTION_IOC_INIT;
 	init.MaxDevices = 0;	/* at least 256 devices per bus */
-	init.MaxBuses = 16;	/* at least 16 busses */
+	init.MaxBuses = 16;	/* at least 16 buses */
 
 	init.MsgVersion = htole16(MPI_VERSION);
 	init.HeaderVersion = htole16(MPI_HEADER_VERSION);
diff --git a/sys/dev/mpt/mpt.h b/sys/dev/mpt/mpt.h
index b611d0637c95..8505a456a3c6 100644
--- a/sys/dev/mpt/mpt.h
+++ b/sys/dev/mpt/mpt.h
@@ -809,7 +809,7 @@ mpt_read(struct mpt_softc *mpt, int offset)
 /*
  * Some operations (e.g. diagnostic register writes while the ARM proccessor
  * is disabled), must be performed using "PCI pio" operations.  On non-PCI
- * busses, these operations likely map to normal register accesses.
+ * buses, these operations likely map to normal register accesses.
  */
 static __inline void
 mpt_pio_write(struct mpt_softc *mpt, size_t offset, uint32_t val)
diff --git a/sys/dev/mpt/mpt_raid.c b/sys/dev/mpt/mpt_raid.c
index ac65e2f39d9d..17042cdf7381 100644
--- a/sys/dev/mpt/mpt_raid.c
+++ b/sys/dev/mpt/mpt_raid.c
@@ -782,7 +782,7 @@ mpt_raid_quiesce_disk(struct mpt_softc *mpt, struct mpt_raid_disk *mpt_disk,
 }
 #endif
 
-/* XXX Ignores that there may be multiple busses/IOCs involved. */
+/* XXX Ignores that there may be multiple buses/IOCs involved. */
 cam_status
 mpt_map_physdisk(struct mpt_softc *mpt, union ccb *ccb, target_id_t *tgt)
 {
@@ -799,7 +799,7 @@ mpt_map_physdisk(struct mpt_softc *mpt, union ccb *ccb, target_id_t *tgt)
 	return (-1);
 }
 
-/* XXX Ignores that there may be multiple busses/IOCs involved. */
+/* XXX Ignores that there may be multiple buses/IOCs involved. */
 int
 mpt_is_raid_member(struct mpt_softc *mpt, target_id_t tgt)
 {
@@ -818,7 +818,7 @@ mpt_is_raid_member(struct mpt_softc *mpt, target_id_t tgt)
 	
 }
 
-/* XXX Ignores that there may be multiple busses/IOCs involved. */
+/* XXX Ignores that there may be multiple buses/IOCs involved. */
 int
 mpt_is_raid_volume(struct mpt_softc *mpt, target_id_t tgt)
 {
diff --git a/sys/dev/pccbb/pccbb_pci.c b/sys/dev/pccbb/pccbb_pci.c
index 7bf653a48b91..bc08c1903175 100644
--- a/sys/dev/pccbb/pccbb_pci.c
+++ b/sys/dev/pccbb/pccbb_pci.c
@@ -351,7 +351,7 @@ cbb_pci_attach(device_t brdev)
 	/*
 	 * This is a gross hack.  We should be scanning the entire pci
 	 * tree, assigning bus numbers in a way such that we (1) can
-	 * reserve 1 extra bus just in case and (2) all sub busses
+	 * reserve 1 extra bus just in case and (2) all sub buses
 	 * are in an appropriate range.
 	 */
 	DEVPRINTF((brdev, "Secondary bus is %d\n", sc->bus.sec));
diff --git a/sys/dev/pci/hostb_pci.c b/sys/dev/pci/hostb_pci.c
index 79664c62ac94..57b8a1ab8eaf 100644
--- a/sys/dev/pci/hostb_pci.c
+++ b/sys/dev/pci/hostb_pci.c
@@ -37,7 +37,7 @@ __FBSDID("$FreeBSD$");
 
 /*
  * Provide a device to "eat" the host->pci bridge devices that show up
- * on PCI busses and stop them showing up twice on the probes.  This also
+ * on PCI buses and stop them showing up twice on the probes.  This also
  * stops them showing up as 'none' in pciconf -l.  If the host bridge
  * provides an AGP capability then we create a child agp device for the
  * agp GART driver to attach to.
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index 7087adb42bba..3ea030c29d80 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -3095,7 +3095,7 @@ pci_add_map(device_t bus, device_t dev, int reg, struct resource_list *rl,
 	 * If base is 0, then we have problems if this architecture does
 	 * not allow that.  It is best to ignore such entries for the
 	 * moment.  These will be allocated later if the driver specifically
-	 * requests them.  However, some removable busses look better when
+	 * requests them.  However, some removable buses look better when
 	 * all resources are allocated, so allow '0' to be overriden.
 	 *
 	 * Similarly treat maps whose values is the same as the test value
@@ -4178,7 +4178,7 @@ pci_attach(device_t dev)
 
 	/*
 	 * Since there can be multiple independently numbered PCI
-	 * busses on systems with multiple PCI domains, we can't use
+	 * buses on systems with multiple PCI domains, we can't use
 	 * the unit number to decide which bus we are probing. We ask
 	 * the parent pcib what our domain and bus numbers are.
 	 */
diff --git a/sys/dev/pci/pci_private.h b/sys/dev/pci/pci_private.h
index b0f1481810c7..6c5a1677891e 100644
--- a/sys/dev/pci/pci_private.h
+++ b/sys/dev/pci/pci_private.h
@@ -34,7 +34,7 @@
 
 /*
  * Export definitions of the pci bus so that we can more easily share
- * it with "subclass" busses.
+ * it with "subclass" buses.
  */
 DECLARE_CLASS(pci_driver);
 
diff --git a/sys/dev/pci/pci_subr.c b/sys/dev/pci/pci_subr.c
index f2811176c59f..822911a122c1 100644
--- a/sys/dev/pci/pci_subr.c
+++ b/sys/dev/pci/pci_subr.c
@@ -73,7 +73,7 @@ host_pcib_get_busno(pci_read_config_fn read_config, int bus, int slot, int func,
 		 * For the 450nx chipset, there is a whole bundle of
 		 * things pretending to be host bridges. The MIOC will 
 		 * be seen first and isn't really a pci bridge (the
-		 * actual busses are attached to the PXB's). We need to 
+		 * actual buses are attached to the PXB's). We need to 
 		 * read the registers of the MIOC to figure out the
 		 * bus numbers for the PXB channels.
 		 *
diff --git a/sys/dev/usb/usb_hub.c b/sys/dev/usb/usb_hub.c
index f081432efd80..3f5f5e1cba0f 100644
--- a/sys/dev/usb/usb_hub.c
+++ b/sys/dev/usb/usb_hub.c
@@ -2297,7 +2297,7 @@ usb_needs_explore(struct usb_bus *bus, uint8_t do_probe)
  *	usb_needs_explore_all
  *
  * This function is called whenever a new driver is loaded and will
- * cause that all USB busses are re-explored.
+ * cause that all USB buses are re-explored.
  *------------------------------------------------------------------------*/
 void
 usb_needs_explore_all(void)
@@ -2315,7 +2315,7 @@ usb_needs_explore_all(void)
 		return;
 	}
 	/*
-	 * Explore all USB busses in parallel.
+	 * Explore all USB buses in parallel.
 	 */
 	max = devclass_get_maxunit(dc);
 	while (max >= 0) {