[PATCH v2 56/72] ncr5380: Remove redundant volatile qualifiers

Finn Thain
2015-12-06T01:32:22Z

[-- Attachment #1: ncr5380-remove-redundant-volatile-qualifiers --]
[-- Type: text/plain, Size: 2218 bytes --]

The hostdata struct is now protected by a spin lock so the volatile
qualifiers are redundant. Remove them.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>

---
drivers/scsi/NCR5380.h | 12 ++++++------
drivers/scsi/atari_NCR5380.c | 2 +-
2 files changed, 7 insertions(+), 7 deletions(-)

Index: linux/drivers/scsi/NCR5380.h
===================================================================
--- linux.orig/drivers/scsi/NCR5380.h 2015-12-06 12:30:52.000000000 +1100
+++ linux/drivers/scsi/NCR5380.h 2015-12-06 12:30:57.000000000 +1100
@@ -248,14 +248,14 @@ struct NCR5380_hostdata {
NCR5380_implementation_fields; /* implementation specific */
struct Scsi_Host *host; /* Host backpointer */
unsigned char id_mask, id_higher_mask; /* 1 << id, all bits greater */
- volatile unsigned char busy[8]; /* index = target, bit = lun */
+ unsigned char busy[8]; /* index = target, bit = lun */
#if defined(REAL_DMA) || defined(REAL_DMA_POLL)
- volatile int dma_len; /* requested length of DMA */
+ int dma_len; /* requested length of DMA */
#endif
- volatile unsigned char last_message; /* last message OUT */
- volatile struct scsi_cmnd *connected; /* currently connected command */
- volatile struct scsi_cmnd *issue_queue; /* waiting to be issued */
- volatile struct scsi_cmnd *disconnected_queue; /* waiting for reconnect */
+ unsigned char last_message; /* last message OUT */
+ struct scsi_cmnd *connected; /* currently connected cmnd */
+ struct scsi_cmnd *issue_queue; /* waiting to be issued */
+ struct scsi_cmnd *disconnected_queue; /* waiting for reconnect */
spinlock_t lock; /* protects this struct */
int flags;
struct scsi_eh_save ses;
Index: linux/drivers/scsi/atari_NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/atari_NCR5380.c 2015-12-06 12:30:56.000000000 +1100
+++ linux/drivers/scsi/atari_NCR5380.c 2015-12-06 12:30:57.000000000 +1100
@@ -1004,7 +1004,7 @@ static void NCR5380_dma_complete(struct
struct NCR5380_hostdata *hostdata = shost_priv(instance);
int transferred;
unsigned char **data;
- volatile int *count;
+ int *count;
int saved_data = 0, overrun = 0;
unsigned char p;