Fix misc .c/.h comment typos

Fix various .c/.h typos in comments (no code changes).

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/scsi/aic94xx/aic94xx_reg_def.h b/drivers/scsi/aic94xx/aic94xx_reg_def.h
index b79f45f..a11f4e6 100644
--- a/drivers/scsi/aic94xx/aic94xx_reg_def.h
+++ b/drivers/scsi/aic94xx/aic94xx_reg_def.h
@@ -2000,7 +2000,7 @@
  * The host accesses this scratch in a different manner from the
  * central sequencer. The sequencer has to use CSEQ registers CSCRPAGE
  * and CMnSCRPAGE to access the scratch memory. A flat mapping of the
- * scratch memory is avaliable for software convenience and to prevent
+ * scratch memory is available for software convenience and to prevent
  * corruption while the sequencer is running. This memory is mapped
  * onto addresses 800h - BFFh, total of 400h bytes.
  *
diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c
index de7c04d..e5a0ec3 100644
--- a/drivers/scsi/aic94xx/aic94xx_sds.c
+++ b/drivers/scsi/aic94xx/aic94xx_sds.c
@@ -64,7 +64,7 @@
 
 #define OCM_INIT_DIR_ENTRIES	5
 /***************************************************************************
-*  OCM dircetory default
+*  OCM directory default
 ***************************************************************************/
 static struct asd_ocm_dir OCMDirInit =
 {
@@ -73,7 +73,7 @@
 };
 
 /***************************************************************************
-*  OCM dircetory Entries default
+*  OCM directory Entries default
 ***************************************************************************/
 static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] =
 {
diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index 6cc2bc2..adb8eb4 100644
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -185,7 +185,7 @@
 **	power of 2 cache line size.
 **	Enhanced in linux-2.3.44 to provide a memory pool 
 **	per pcidev to support dynamic dma mapping. (I would 
-**	have preferred a real bus astraction, btw).
+**	have preferred a real bus abstraction, btw).
 **
 **==========================================================
 */
@@ -1438,7 +1438,7 @@
 **	The first four bytes (scr_st[4]) are used inside the script by 
 **	"COPY" commands.
 **	Because source and destination must have the same alignment
-**	in a DWORD, the fields HAVE to be at the choosen offsets.
+**	in a DWORD, the fields HAVE to be at the chosen offsets.
 **		xerr_st		0	(0x34)	scratcha
 **		sync_st		1	(0x05)	sxfer
 **		wide_st		3	(0x03)	scntl3
@@ -1498,7 +1498,7 @@
 **	the DSA (data structure address) register points
 **	to this substructure of the ccb.
 **	This substructure contains the header with
-**	the script-processor-changable data and
+**	the script-processor-changeable data and
 **	data blocks for the indirect move commands.
 **
 **----------------------------------------------------------
@@ -5107,7 +5107,7 @@
 
 /*
 **	This CCB has been skipped by the NCR.
-**	Queue it in the correponding unit queue.
+**	Queue it in the corresponding unit queue.
 */
 static void ncr_ccb_skipped(struct ncb *np, struct ccb *cp)
 {
@@ -5896,8 +5896,8 @@
 **
 **	In normal cases, interrupt conditions occur one at a 
 **	time. The ncr is able to stack in some extra registers 
-**	other interrupts that will occurs after the first one.
-**	But severall interrupts may occur at the same time.
+**	other interrupts that will occur after the first one.
+**	But, several interrupts may occur at the same time.
 **
 **	We probably should only try to deal with the normal 
 **	case, but it seems that multiple interrupts occur in 
@@ -6796,7 +6796,7 @@
 **	The host status field is set to HS_NEGOTIATE to mark this
 **	situation.
 **
-**	If the target doesn't answer this message immidiately
+**	If the target doesn't answer this message immediately
 **	(as required by the standard), the SIR_NEGO_FAIL interrupt
 **	will be raised eventually.
 **	The handler removes the HS_NEGOTIATE status, and sets the
diff --git a/drivers/scsi/ncr53c8xx.h b/drivers/scsi/ncr53c8xx.h
index cb8b770..b39357d 100644
--- a/drivers/scsi/ncr53c8xx.h
+++ b/drivers/scsi/ncr53c8xx.h
@@ -218,7 +218,7 @@
 **	Same as option 1, but also deal with 
 **	misconfigured interrupts.
 **
-**	- Edge triggerred instead of level sensitive.
+**	- Edge triggered instead of level sensitive.
 **	- No interrupt line connected.
 **	- IRQ number misconfigured.
 **	
@@ -549,7 +549,7 @@
 
 /*
 **	Initial setup.
-**	Can be overriden at startup by a command line.
+**	Can be overridden at startup by a command line.
 */
 #define SCSI_NCR_DRIVER_SETUP			\
 {						\
@@ -1093,7 +1093,7 @@
 **-----------------------------------------------------------
 **	On 810A, 860, 825A, 875, 895 and 896 chips the content 
 **	of SFBR register can be used as data (SCR_SFBR_DATA).
-**	The 896 has additionnal IO registers starting at 
+**	The 896 has additional IO registers starting at 
 **	offset 0x80. Bit 7 of register offset is stored in 
 **	bit 7 of the SCRIPTS instruction first DWORD.
 **-----------------------------------------------------------