[SCSI] fusion: unloading the driver - only set asyn narrow for configured devices

This patch inhibits sending spi negotiation parameters
for non-configured devices from the slave_destroy function.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index d6ccd6aa4348..2e1c9ff4b028 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -158,7 +158,7 @@ static int	mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus);
 int             mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
 static int      mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
 static void     mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
-static void     mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget);
+static void     mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
 static int      mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id);
 
 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
@@ -2308,7 +2308,7 @@ mptscsih_slave_destroy(struct scsi_device *sdev)
         vtarget->luns[0] &= ~(1 << vdevice->lun);
         vtarget->num_luns--;
         if (vtarget->num_luns == 0) {
-                mptscsih_negotiate_to_asyn_narrow(hd, vtarget);
+                mptscsih_negotiate_to_asyn_narrow(hd, vdevice);
                 if (hd->ioc->bus_type == SPI) {
                         if (mptscsih_is_phys_disk(hd->ioc, vtarget->target_id)) {
                                 hd->ioc->spi_data.forceDv |= MPT_SCSICFG_RELOAD_IOC_PG3;
@@ -3899,8 +3899,9 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
  *
  */
 static void
-mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
+mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 {
+        VirtTarget              *vtarget = vdevice->vtarget;
         MPT_ADAPTER             *ioc= hd->ioc;
         SCSIDevicePage1_t       *pcfg1Data;
         CONFIGPARMS              cfg;
@@ -3910,7 +3911,8 @@ mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
         int                      requested, configuration, data,i;
         u8                       flags, factor;
 
-        if (ioc->bus_type != SPI)
+        if ((ioc->bus_type != SPI) ||
+                (!vdevice->configured_lun))
                 return;
 
         if (!ioc->spi_data.sdp1length)
@@ -3946,7 +3948,7 @@ mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
                         }
                         mptscsih_setDevicePage1Flags(0, MPT_ASYNC, 0, &requested,
                                 &configuration, flags);
-                        dnegoprintk(("syncronize cache: id=%d width=0 factor=MPT_ASYNC "
+                        dnegoprintk(("nego asyn narrow: id=%d width=0 factor=MPT_ASYNC "
                                 "offset=0 negoFlags=%x request=%x config=%x\n",
                                 id, flags, requested, configuration));
                         pcfg1Data->RequestedParameters = cpu_to_le32(requested);
@@ -3959,7 +3961,7 @@ mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
                 flags = vtarget->negoFlags;
                 mptscsih_setDevicePage1Flags(0, MPT_ASYNC, 0, &requested,
                                 &configuration, flags);
-                dnegoprintk(("syncronize cache: id=%d width=0 factor=MPT_ASYNC "
+                dnegoprintk(("nego asyn narrow: id=%d width=0 factor=MPT_ASYNC "
                         "offset=0 negoFlags=%x request=%x config=%x\n",
                         vtarget->target_id, flags, requested, configuration));
                 pcfg1Data->RequestedParameters = cpu_to_le32(requested);