[SCSI] allow sleeping in ->eh_bus_reset_handler()
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c
index 4a358ae..fa652f8a 100644
--- a/drivers/scsi/fd_mcs.c
+++ b/drivers/scsi/fd_mcs.c
@@ -1243,6 +1243,7 @@
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 @@
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 @@
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. */