leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[SCSI] advansys: Remove private lock

Browse Source 
The board lock was essentially identical with the host lock.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Matthew Wilcox 2007-10-02 21:55:34 -04:00 committed by James Bottomley
parent b352f92376
commit f092d2290f
1 changed files with 5 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/scsi/advansys.c
View File

@ -2439,7 +2439,6 @@ struct asc_board {
ADVEEP_38C1600_CONFIG adv_38C1600_eep; /* 38C1600 EEPROM config. */
} eep_config;
ulong last_reset; /* Saved last reset time */
spinlock_t lock; /* Board spinlock */
/* /proc/scsi/advansys/[0...] */
char *prtbuf; /* /proc print buffer */
#ifdef ADVANSYS_STATS
@ -9621,7 +9620,7 @@ static int advansys_reset(struct scsi_cmnd *scp)
}
ASC_DBG(1, "after AscInitAsc1000Driver()\n");
spin_lock_irqsave(&boardp->lock, flags);
spin_lock_irqsave(shost->host_lock, flags);
} else {
/*
* If the suggest reset bus flags are set, then reset the bus.
@ -9644,13 +9643,13 @@ static int advansys_reset(struct scsi_cmnd *scp)
ret = FAILED;
break;
}
spin_lock_irqsave(&boardp->lock, flags);
spin_lock_irqsave(shost->host_lock, flags);
AdvISR(adv_dvc);
}
/* Save the time of the most recently completed reset. */
boardp->last_reset = jiffies;
spin_unlock_irqrestore(&boardp->lock, flags);
spin_unlock_irqrestore(shost->host_lock, flags);
ASC_DBG(1, "ret %d\n", ret);
@ -9707,13 +9706,12 @@ advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
*/
static irqreturn_t advansys_interrupt(int irq, void *dev_id)
{
unsigned long flags;
struct Scsi_Host *shost = dev_id;
struct asc_board *boardp = shost_priv(shost);
irqreturn_t result = IRQ_NONE;
ASC_DBG(2, "boardp 0x%p\n", boardp);
spin_lock_irqsave(&boardp->lock, flags);
spin_lock(shost->host_lock);
if (ASC_NARROW_BOARD(boardp)) {
if (AscIsIntPending(shost->io_port)) {
result = IRQ_HANDLED;
@ -9728,7 +9726,7 @@ static irqreturn_t advansys_interrupt(int irq, void *dev_id)
ASC_STATS(shost, interrupt);
}
}
spin_unlock_irqrestore(&boardp->lock, flags);
spin_unlock(shost->host_lock);
ASC_DBG(1, "end\n");
return result;
@ -11203,20 +11201,12 @@ static int
advansys_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
{
struct Scsi_Host *shost = scp->device->host;
struct asc_board *boardp = shost_priv(shost);
unsigned long flags;
int asc_res, result = 0;
ASC_STATS(shost, queuecommand);
scp->scsi_done = done;
/*
* host_lock taken by mid-level prior to call, but need
* to protect against own ISR
*/
spin_lock_irqsave(&boardp->lock, flags);
asc_res = asc_execute_scsi_cmnd(scp);
spin_unlock_irqrestore(&boardp->lock, flags);
switch (asc_res) {
case ASC_NOERROR:
@ -13633,7 +13623,6 @@ static int __devinit advansys_board_found(struct Scsi_Host *shost,
int share_irq, warn_code, ret;
boardp->id = asc_board_count++;
spin_lock_init(&boardp->lock);
pdev = (bus_type == ASC_IS_PCI) ? to_pci_dev(boardp->dev) : NULL;
if (ASC_NARROW_BOARD(boardp)) {