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scsi: drop bus reset for wd33c93-compatible boards

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The bus reset function is just a wrapper calling host reset under the
host lock. So move taking of the host lock into the host reset function
and drop bus reset.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke
2017-08-25 13:57:06 +02:00
committed by Martin K. Petersen
parent 63cd2f7f90
commit ec05e23896
6 changed files with 2 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/scsi/a2091.c
View File

@@ -147,22 +147,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
} }
} }
static int a2091_bus_reset(struct scsi_cmnd *cmd)
{
struct Scsi_Host *instance = cmd->device->host;
/* FIXME perform bus-specific reset */
/* FIXME 2: kill this function, and let midlayer fall back
to the same action, calling wd33c93_host_reset() */
spin_lock_irq(instance->host_lock);
wd33c93_host_reset(cmd);
spin_unlock_irq(instance->host_lock);
return SUCCESS;
}
static struct scsi_host_template a2091_scsi_template = { static struct scsi_host_template a2091_scsi_template = {
.module = THIS_MODULE, .module = THIS_MODULE,
.name = "Commodore A2091/A590 SCSI", .name = "Commodore A2091/A590 SCSI",
@@ -171,7 +155,6 @@ static struct scsi_host_template a2091_scsi_template = {
.proc_name = "A2901", .proc_name = "A2901",
.queuecommand = wd33c93_queuecommand, .queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort, .eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = a2091_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset, .eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE, .can_queue = CAN_QUEUE,
.this_id = 7, .this_id = 7,

17
drivers/scsi/a3000.c
View File

@@ -162,22 +162,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
} }
} }
static int a3000_bus_reset(struct scsi_cmnd *cmd)
{
struct Scsi_Host *instance = cmd->device->host;
/* FIXME perform bus-specific reset */
/* FIXME 2: kill this entire function, which should
cause mid-layer to call wd33c93_host_reset anyway? */
spin_lock_irq(instance->host_lock);
wd33c93_host_reset(cmd);
spin_unlock_irq(instance->host_lock);
return SUCCESS;
}
static struct scsi_host_template amiga_a3000_scsi_template = { static struct scsi_host_template amiga_a3000_scsi_template = {
.module = THIS_MODULE, .module = THIS_MODULE,
.name = "Amiga 3000 built-in SCSI", .name = "Amiga 3000 built-in SCSI",
@@ -186,7 +170,6 @@ static struct scsi_host_template amiga_a3000_scsi_template = {
.proc_name = "A3000", .proc_name = "A3000",
.queuecommand = wd33c93_queuecommand, .queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort, .eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = a3000_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset, .eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE, .can_queue = CAN_QUEUE,
.this_id = 7, .this_id = 7,

18
drivers/scsi/gvp11.c
View File

@@ -171,23 +171,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
} }
} }
static int gvp11_bus_reset(struct scsi_cmnd *cmd)
{
struct Scsi_Host *instance = cmd->device->host;
/* FIXME perform bus-specific reset */
/* FIXME 2: shouldn't we no-op this function (return
FAILED), and fall back to host reset function,
wd33c93_host_reset ? */
spin_lock_irq(instance->host_lock);
wd33c93_host_reset(cmd);
spin_unlock_irq(instance->host_lock);
return SUCCESS;
}
static struct scsi_host_template gvp11_scsi_template = { static struct scsi_host_template gvp11_scsi_template = {
.module = THIS_MODULE, .module = THIS_MODULE,
.name = "GVP Series II SCSI", .name = "GVP Series II SCSI",
@@ -196,7 +179,6 @@ static struct scsi_host_template gvp11_scsi_template = {
.proc_name = "GVP11", .proc_name = "GVP11",
.queuecommand = wd33c93_queuecommand, .queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort, .eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = gvp11_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset, .eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE, .can_queue = CAN_QUEUE,
.this_id = 7, .this_id = 7,

16
drivers/scsi/mvme147.c
View File

@@ -121,21 +121,6 @@ int mvme147_detect(struct scsi_host_template *tpnt)
return 0; return 0;
} }
static int mvme147_bus_reset(struct scsi_cmnd *cmd)
{
/* FIXME perform bus-specific reset */
/* FIXME 2: kill this function, and let midlayer fallback to
the same result, calling wd33c93_host_reset() */
spin_lock_irq(cmd->device->host->host_lock);
wd33c93_host_reset(cmd);
spin_unlock_irq(cmd->device->host->host_lock);
return SUCCESS;
}
static struct scsi_host_template driver_template = { static struct scsi_host_template driver_template = {
.proc_name = "MVME147", .proc_name = "MVME147",
.name = "MVME147 built-in SCSI", .name = "MVME147 built-in SCSI",
@@ -143,7 +128,6 @@ static struct scsi_host_template driver_template = {
.release = mvme147_release, .release = mvme147_release,
.queuecommand = wd33c93_queuecommand, .queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort, .eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = mvme147_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset, .eh_host_reset_handler = wd33c93_host_reset,
.can_queue = CAN_QUEUE, .can_queue = CAN_QUEUE,
.this_id = 7, .this_id = 7,

15
drivers/scsi/sgiwd93.c
View File

@@ -192,20 +192,6 @@ static inline void init_hpc_chain(struct ip22_hostdata *hdata)
hcp->desc.pnext = hdata->dma; hcp->desc.pnext = hdata->dma;
} }
static int sgiwd93_bus_reset(struct scsi_cmnd *cmd)
{
/* FIXME perform bus-specific reset */
/* FIXME 2: kill this function, and let midlayer fallback
to the same result, calling wd33c93_host_reset() */
spin_lock_irq(cmd->device->host->host_lock);
wd33c93_host_reset(cmd);
spin_unlock_irq(cmd->device->host->host_lock);
return SUCCESS;
}
/* /*
* Kludge alert - the SCSI code calls the abort and reset method with int * Kludge alert - the SCSI code calls the abort and reset method with int
* arguments not with pointers. So this is going to blow up beautyfully * arguments not with pointers. So this is going to blow up beautyfully
@@ -217,7 +203,6 @@ static struct scsi_host_template sgiwd93_template = {
.name = "SGI WD93", .name = "SGI WD93",
.queuecommand = wd33c93_queuecommand, .queuecommand = wd33c93_queuecommand,
.eh_abort_handler = wd33c93_abort, .eh_abort_handler = wd33c93_abort,
.eh_bus_reset_handler = sgiwd93_bus_reset,
.eh_host_reset_handler = wd33c93_host_reset, .eh_host_reset_handler = wd33c93_host_reset,
.can_queue = 16, .can_queue = 16,
.this_id = 7, .this_id = 7,

2
drivers/scsi/wd33c93.c
View File

@@ -1578,6 +1578,7 @@ wd33c93_host_reset(struct scsi_cmnd * SCpnt)
int i; int i;
instance = SCpnt->device->host; instance = SCpnt->device->host;
spin_lock_irq(instance->host_lock);
hostdata = (struct WD33C93_hostdata *) instance->hostdata; hostdata = (struct WD33C93_hostdata *) instance->hostdata;
printk("scsi%d: reset. ", instance->host_no); printk("scsi%d: reset. ", instance->host_no);
@@ -1603,6 +1604,7 @@ wd33c93_host_reset(struct scsi_cmnd * SCpnt)
reset_wd33c93(instance); reset_wd33c93(instance);
SCpnt->result = DID_RESET << 16; SCpnt->result = DID_RESET << 16;
enable_irq(instance->irq); enable_irq(instance->irq);
spin_unlock_irq(instance->host_lock);
return SUCCESS; return SUCCESS;
} }