[PATCH v4 53/78] ncr5380: Use shost_priv helper
From: Finn Thain
Date: Sun Jan 03 2016 - 00:28:28 EST
Make use of the shost_priv() helper. Remove HOSTDATA and SETUP_HOSTDATA
macros because they harm readability.
Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Tested-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
Tested-by: Michael Schmitz <schmitzmic@xxxxxxxxx>
---
drivers/scsi/NCR5380.c | 23 ++++++++++-------------
drivers/scsi/atari_NCR5380.c | 20 +++++++-------------
2 files changed, 17 insertions(+), 26 deletions(-)
Index: linux/drivers/scsi/NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/NCR5380.c 2016-01-03 16:04:14.000000000 +1100
+++ linux/drivers/scsi/NCR5380.c 2016-01-03 16:04:15.000000000 +1100
@@ -464,7 +464,7 @@ static irqreturn_t __init probe_intr(int
static int __init __maybe_unused NCR5380_probe_irq(struct Scsi_Host *instance,
int possible)
{
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned long timeout;
int trying_irqs, i, mask;
@@ -586,9 +586,7 @@ static int __maybe_unused NCR5380_write_
static int __maybe_unused NCR5380_show_info(struct seq_file *m,
struct Scsi_Host *instance)
{
- struct NCR5380_hostdata *hostdata;
-
- hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
seq_printf(m, "Highwater I/O busy spin counts: write %d, read %d\n",
hostdata->spin_max_w, hostdata->spin_max_r);
@@ -614,8 +612,8 @@ static int __maybe_unused NCR5380_show_i
static int NCR5380_init(struct Scsi_Host *instance, int flags)
{
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
int i;
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
unsigned long deadline;
if(in_interrupt())
@@ -728,7 +726,7 @@ static int NCR5380_maybe_reset_bus(struc
static void NCR5380_exit(struct Scsi_Host *instance)
{
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
cancel_work_sync(&hostdata->main_task);
destroy_workqueue(hostdata->work_q);
@@ -1037,7 +1035,7 @@ static irqreturn_t NCR5380_intr(int irq,
static int NCR5380_select(struct Scsi_Host *instance, struct scsi_cmnd *cmd)
{
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned char tmp[3], phase;
unsigned char *data;
int len;
@@ -1511,7 +1509,7 @@ static int NCR5380_transfer_dma(struct S
unsigned char saved_data = 0, overrun = 0, residue;
#endif
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
if ((tmp = (NCR5380_read(STATUS_REG) & PHASE_MASK)) != p) {
*phase = tmp;
@@ -1743,7 +1741,7 @@ static int NCR5380_transfer_dma(struct S
*/
static void NCR5380_information_transfer(struct Scsi_Host *instance) {
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *)instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned char msgout = NOP;
int sink = 0;
int len;
@@ -2090,8 +2088,7 @@ static void NCR5380_information_transfer
*/
static void NCR5380_reselect(struct Scsi_Host *instance) {
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *)
- instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned char target_mask;
unsigned char lun, phase;
int len;
@@ -2214,7 +2211,7 @@ static void NCR5380_reselect(struct Scsi
#ifdef REAL_DMA
static void NCR5380_dma_complete(NCR5380_instance * instance) {
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
int transferred;
/*
@@ -2268,7 +2265,7 @@ static void NCR5380_dma_complete(NCR5380
static int NCR5380_abort(struct scsi_cmnd *cmd)
{
struct Scsi_Host *instance = cmd->device->host;
- struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata;
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
struct scsi_cmnd *tmp, **prev;
unsigned long flags;
Index: linux/drivers/scsi/atari_NCR5380.c
===================================================================
--- linux.orig/drivers/scsi/atari_NCR5380.c 2016-01-03 16:04:14.000000000 +1100
+++ linux/drivers/scsi/atari_NCR5380.c 2016-01-03 16:04:15.000000000 +1100
@@ -196,12 +196,6 @@
* possible) function may be used.
*/
-/* Macros ease life... :-) */
-#define SETUP_HOSTDATA(in) \
- struct NCR5380_hostdata *hostdata = \
- (struct NCR5380_hostdata *)(in)->hostdata
-#define HOSTDATA(in) ((struct NCR5380_hostdata *)(in)->hostdata)
-
#define NEXT(cmd) ((struct scsi_cmnd *)(cmd)->host_scribble)
#define SET_NEXT(cmd,next) ((cmd)->host_scribble = (void *)(next))
#define NEXTADDR(cmd) ((struct scsi_cmnd **)&(cmd)->host_scribble)
@@ -672,8 +666,8 @@ static void prepare_info(struct Scsi_Hos
static int __init NCR5380_init(struct Scsi_Host *instance, int flags)
{
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
int i;
- SETUP_HOSTDATA(instance);
unsigned long deadline;
hostdata->host = instance;
@@ -1038,7 +1032,7 @@ static void NCR5380_main(struct work_str
static void NCR5380_dma_complete(struct Scsi_Host *instance)
{
- SETUP_HOSTDATA(instance);
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
int transferred;
unsigned char **data;
volatile int *count;
@@ -1248,7 +1242,7 @@ static irqreturn_t NCR5380_intr(int irq,
static int NCR5380_select(struct Scsi_Host *instance, struct scsi_cmnd *cmd)
{
- SETUP_HOSTDATA(instance);
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned char tmp[3], phase;
unsigned char *data;
int len;
@@ -1742,7 +1736,7 @@ static int NCR5380_transfer_dma(struct S
unsigned char *phase, int *count,
unsigned char **data)
{
- SETUP_HOSTDATA(instance);
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
register int c = *count;
register unsigned char p = *phase;
@@ -1850,7 +1844,7 @@ static int NCR5380_transfer_dma(struct S
static void NCR5380_information_transfer(struct Scsi_Host *instance)
{
- SETUP_HOSTDATA(instance);
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned char msgout = NOP;
int sink = 0;
int len;
@@ -2314,7 +2308,7 @@ static void NCR5380_information_transfer
static void NCR5380_reselect(struct Scsi_Host *instance)
{
- SETUP_HOSTDATA(instance);
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
unsigned char target_mask;
unsigned char lun;
#ifdef SUPPORT_TAGS
@@ -2521,7 +2515,7 @@ static
int NCR5380_abort(struct scsi_cmnd *cmd)
{
struct Scsi_Host *instance = cmd->device->host;
- SETUP_HOSTDATA(instance);
+ struct NCR5380_hostdata *hostdata = shost_priv(instance);
struct scsi_cmnd *tmp, **prev;
unsigned long flags;
--
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