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Diffstat (limited to 'drivers/scsi/NCR5380.c')
-rw-r--r--drivers/scsi/NCR5380.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index d9fa9cf2fd8b..184f4eddd0ef 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -129,6 +129,9 @@
#define NCR5380_release_dma_irq(x)
#endif
+static unsigned int disconnect_mask = ~0;
+module_param(disconnect_mask, int, 0444);
+
static int do_abort(struct Scsi_Host *);
static void do_reset(struct Scsi_Host *);
static void bus_reset_cleanup(struct Scsi_Host *);
@@ -945,7 +948,8 @@ static bool NCR5380_select(struct Scsi_Host *instance, struct scsi_cmnd *cmd)
int err;
bool ret = true;
bool can_disconnect = instance->irq != NO_IRQ &&
- cmd->cmnd[0] != REQUEST_SENSE;
+ cmd->cmnd[0] != REQUEST_SENSE &&
+ (disconnect_mask & BIT(scmd_id(cmd)));
NCR5380_dprint(NDEBUG_ARBITRATION, instance);
dsprintk(NDEBUG_ARBITRATION, instance, "starting arbitration, id = %d\n",