scsi: g_NCR5380: Use unambiguous terminology for PDMA send and receive

The word "read" may be used to mean "DMA read operation" or "SCSI READ
command", though a READ command implies writing to memory.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/g_NCR5380.c

@@ -48,8 +48,8 @@
 	int pdma_residual
 
 #define NCR5380_dma_xfer_len            generic_NCR5380_dma_xfer_len
-#define NCR5380_dma_recv_setup          generic_NCR5380_pread
-#define NCR5380_dma_send_setup          generic_NCR5380_pwrite
+#define NCR5380_dma_recv_setup          generic_NCR5380_precv
+#define NCR5380_dma_send_setup          generic_NCR5380_psend
 #define NCR5380_dma_residual            generic_NCR5380_dma_residual
 
 #define NCR5380_intr                    generic_NCR5380_intr
@@ -481,7 +481,7 @@ static void generic_NCR5380_release_resources(struct Scsi_Host *instance)
 }
 
 /**
- * generic_NCR5380_pread - pseudo DMA read
+ * generic_NCR5380_precv - pseudo DMA receive
  * @hostdata: scsi host private data
  * @dst: buffer to write into
  * @len: transfer size
@@ -489,7 +489,7 @@ static void generic_NCR5380_release_resources(struct Scsi_Host *instance)
  * Perform a pseudo DMA mode receive from a 53C400 or equivalent device.
  */
 
-static inline int generic_NCR5380_pread(struct NCR5380_hostdata *hostdata,
+static inline int generic_NCR5380_precv(struct NCR5380_hostdata *hostdata,
                                         unsigned char *dst, int len)
 {
 	int blocks = len / 128;
@@ -557,7 +557,7 @@ static inline int generic_NCR5380_pread(struct NCR5380_hostdata *hostdata,
 }
 
 /**
- * generic_NCR5380_pwrite - pseudo DMA write
+ * generic_NCR5380_psend - pseudo DMA send
  * @hostdata: scsi host private data
  * @src: buffer to read from
  * @len: transfer size
@@ -565,7 +565,7 @@ static inline int generic_NCR5380_pread(struct NCR5380_hostdata *hostdata,
  * Perform a pseudo DMA mode send to a 53C400 or equivalent device.
  */
 
-static inline int generic_NCR5380_pwrite(struct NCR5380_hostdata *hostdata,
+static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata,
                                         unsigned char *src, int len)
 {
 	int blocks = len / 128;