Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 27 insertions, 9 deletions

diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 85f21b54cb7d..d75f7ffbb02e 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -96,14 +96,13 @@ static int	mptspiTaskCtx = -1;
 static int      mptspiInternalCtx = -1; /* Used only for internal commands */
 
 /**
- *      mptspi_setTargetNegoParms  - Update the target negotiation
- *      parameters based on the the Inquiry data, adapter capabilities,
- *      and NVRAM settings
- *
+ *      mptspi_setTargetNegoParms  - Update the target negotiation parameters
  *      @hd: Pointer to a SCSI Host Structure
- *      @vtarget: per target private data
+ *      @target: per target private data
  *      @sdev: SCSI device
  *
+ *      Update the target negotiation parameters based on the the Inquiry
+ *      data, adapter capabilities, and NVRAM settings.
  **/
 static void
 mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
@@ -234,7 +233,7 @@ mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
 /**
  *      mptspi_writeIOCPage4  - write IOC Page 4
  *      @hd: Pointer to a SCSI Host Structure
- *      @channel:
+ *      @channel: channel number
  *      @id: write IOC Page4 for this ID & Bus
  *
  *      Return: -EAGAIN if unable to obtain a Message Frame
@@ -446,7 +445,7 @@ static int mptspi_target_alloc(struct scsi_target *starget)
         return 0;
 }
 
-void
+static void
 mptspi_target_destroy(struct scsi_target *starget)
 {
         if (starget->hostdata)
@@ -677,7 +676,9 @@ static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd,
                 return;
         }
 
+        hd->spi_pending |= (1 << sdev->id);
         spi_dv_device(sdev);
+        hd->spi_pending &= ~(1 << sdev->id);
 
         if (sdev->channel == 1 &&
             mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0)
@@ -1203,11 +1204,27 @@ mptspi_dv_renegotiate_work(struct work_struct *work)
                 container_of(work, struct work_queue_wrapper, work);
         struct _MPT_SCSI_HOST *hd = wqw->hd;
         struct scsi_device *sdev;
+        struct scsi_target *starget;
+        struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
+        u32 nego;
 
         kfree(wqw);
 
-        shost_for_each_device(sdev, hd->ioc->sh)
-                mptspi_dv_device(hd, sdev);
+        if (hd->spi_pending) {
+                shost_for_each_device(sdev, hd->ioc->sh) {
+                        if  (hd->spi_pending & (1 << sdev->id))
+                                continue;
+                        starget = scsi_target(sdev);
+                        nego = mptspi_getRP(starget);
+                        pg1.RequestedParameters = cpu_to_le32(nego);
+                        pg1.Reserved = 0;
+                        pg1.Configuration = 0;
+                        mptspi_write_spi_device_pg1(starget, &pg1);
+                }
+        } else {
+                shost_for_each_device(sdev, hd->ioc->sh)
+                        mptspi_dv_device(hd, sdev);
+        }
 }
 
 static void
@@ -1453,6 +1470,7 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         init_waitqueue_head(&hd->scandv_waitq);
         hd->scandv_wait_done = 0;
         hd->last_queue_full = 0;
+        hd->spi_pending = 0;
 
         /* Some versions of the firmware don't support page 0; without
          * that we can't get the parameters */