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| author | Asai Thambi S P <asamymuthupa@micron.com> | 2012-05-30 03:43:16 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-05-31 08:46:50 +0200 |
| commit | 0a07ab224afc56c497e2f1c48e853dbdf964d549 (patch) | |
| tree | 1bde0fec2ac58848d86fd64d465401d54a0e9323 /drivers/block/mtip32xx | |
| parent | mtip32xx: Set block queue boundary variables (diff) | |
| download | linux-0a07ab224afc56c497e2f1c48e853dbdf964d549.tar.xz linux-0a07ab224afc56c497e2f1c48e853dbdf964d549.zip | |
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>
Diffstat (limited to 'drivers/block/mtip32xx')
| -rw-r--r-- | 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 07cc07febbe1..bfee50d1b319 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( |