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mtip32xx: Use plain spinlock for 'cmd_issue_lock' 

'cmd_issue_lock' is for only acquiring a free slot, and it is not used
in interrupt context. So replaced irq version with non-irq version of spinlock.

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Asai Thambi S P 2012-05-29 18:43:16 -07:00 committed by Jens Axboe
parent 6c8ab69818
commit 0a07ab224a
1 changed files with 2 additions and 4 deletions
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6
drivers/block/mtip32xx/mtip32xx.c
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@ -294,18 +294,16 @@ static int hba_reset_nosleep(struct driver_data *dd)
*/
static inline void mtip_issue_ncq_command(struct mtip_port *port, int tag)
{
unsigned long flags = 0;
atomic_set(&port->commands[tag].active, 1);
spin_lock_irqsave(&port->cmd_issue_lock, flags);
spin_lock(&port->cmd_issue_lock);
writel((1 << MTIP_TAG_BIT(tag)),
port->s_active[MTIP_TAG_INDEX(tag)]);
writel((1 << MTIP_TAG_BIT(tag)),
port->cmd_issue[MTIP_TAG_INDEX(tag)]);
spin_unlock_irqrestore(&port->cmd_issue_lock, flags);
spin_unlock(&port->cmd_issue_lock);
/* Set the command's timeout value.*/
port->commands[tag].comp_time = jiffies + msecs_to_jiffies(