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authorJeff Garzik <jgarzik@pobox.com>2005-05-28 07:56:31 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-17 12:05:10 -0500
commit68b3aa7c9805aee9005a8ca53c5e99177961fbb9 (patch)
tree3f28891df0b3a1ecdfe6a98547d8f3c43b74e905 /drivers/scsi/fd_mcs.c
parent94d0e7b805961c44e4dc486ffc21075084bb7175 (diff)
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[SCSI] allow sleeping in ->eh_bus_reset_handler()
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/fd_mcs.c')
-rw-r--r--drivers/scsi/fd_mcs.c5
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. */