[PATCH 06/11] mtip32xx: Use plain spinlock for 'cmd_issue_lock'

From: Asai Thambi S P
Date: Tue May 29 2012 - 21:43:14 EST



'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@xxxxxxxxxx>
---
drivers/block/mtip32xx/mtip32xx.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 801e70c..a8a5522 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -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(
--
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/