diff options
Diffstat (limited to 'drivers/scsi/mesh.c')
| -rw-r--r-- | drivers/scsi/mesh.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index f6da46d672f1..b05737ae5eff 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1715,9 +1715,12 @@ static int mesh_host_reset(struct scsi_cmnd *cmd) struct mesh_state *ms = (struct mesh_state *) cmd->device->host->hostdata; volatile struct mesh_regs __iomem *mr = ms->mesh; volatile struct dbdma_regs __iomem *md = ms->dma; + unsigned long flags; printk(KERN_DEBUG "mesh_host_reset\n"); + spin_lock_irqsave(ms->host->host_lock, flags); + /* Reset the controller & dbdma channel */ out_le32(&md->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* stop dma */ out_8(&mr->exception, 0xff); /* clear all exception bits */ @@ -1739,6 +1742,7 @@ static int mesh_host_reset(struct scsi_cmnd *cmd) /* Complete pending commands */ handle_reset(ms); + spin_unlock_irqrestore(ms->host->host_lock, flags); return SUCCESS; } |