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/include/asm-parisc/dma.h b/include/asm-parisc/dma.h
index da2cf37..31ad0f0 100644
--- a/include/asm-parisc/dma.h
+++ b/include/asm-parisc/dma.h
@@ -17,10 +17,10 @@
 
 /*
 ** DMA_CHUNK_SIZE is used by the SCSI mid-layer to break up
-** (or rather not merge) DMA's into managable chunks.
+** (or rather not merge) DMAs into manageable chunks.
 ** On parisc, this is more of the software/tuning constraint
-** rather than the HW. I/O MMU allocation alogorithms can be
-** faster with smaller size is (to some degree).
+** rather than the HW. I/O MMU allocation algorithms can be
+** faster with smaller sizes (to some degree).
 */
 #define DMA_CHUNK_SIZE	(BITS_PER_LONG*PAGE_SIZE)
 
diff --git a/include/asm-parisc/pci.h b/include/asm-parisc/pci.h
index 7b8ad11..7b3be9a 100644
--- a/include/asm-parisc/pci.h
+++ b/include/asm-parisc/pci.h
@@ -149,7 +149,7 @@
 /*
 ** Most PCI devices (eg Tulip, NCR720) also export the same registers
 ** to both MMIO and I/O port space.  Due to poor performance of I/O Port
-** access under HP PCI bus adapters, strongly reccomend use of MMIO
+** access under HP PCI bus adapters, strongly recommend the use of MMIO
 ** address space.
 **
 ** While I'm at it more PA programming notes:
diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h
index 5542dd0..007a8806 100644
--- a/include/asm-parisc/ropes.h
+++ b/include/asm-parisc/ropes.h
@@ -14,7 +14,7 @@
 #endif
 
 /*
-** The number of pdir entries to "free" before issueing
+** The number of pdir entries to "free" before issuing
 ** a read to PCOM register to flush out PCOM writes.
 ** Interacts with allocation granularity (ie 4 or 8 entries
 ** allocated and free'd/purged at a time might make this