diff options
Diffstat (limited to 'drivers/scsi/fd_mcs.c')
| -rw-r--r-- | drivers/scsi/fd_mcs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index 4a358aec2e59..fa652f8aa643 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -1243,6 +1243,7 @@ static int fd_mcs_abort(Scsi_Cmnd * SCpnt) static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) { struct Scsi_Host *shpnt = SCpnt->device->host; + unsigned long flags; #if DEBUG_RESET static int called_once = 0; @@ -1259,6 +1260,8 @@ static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) { called_once = 1; #endif + spin_lock_irqsave(shpnt->host_lock, flags); + outb(1, SCSI_Cntl_port); do_pause(2); outb(0, SCSI_Cntl_port); @@ -1266,6 +1269,8 @@ static int fd_mcs_bus_reset(Scsi_Cmnd * SCpnt) { outb(0, SCSI_Mode_Cntl_port); outb(PARITY_MASK, TMC_Cntl_port); + spin_unlock_irqrestore(shpnt->host_lock, flags); + /* Unless this is the very first call (i.e., SCPnt == NULL), everything is probably hosed at this point. We will, however, try to keep things going by informing the high-level code that we need help. */ |