On Mon, 2007-02-12 at 08:14 -0800, Mark Haverkamp wrote:
> This patch fixed my looping DV problem.
As far as I can tell, this is identical to Eric's patch, but is done
using the existing dv_in_progress flag ... can you test it out and see
if it actually works?
Thanks,
James
Index: linux-2.6/drivers/scsi/scsi_transport_spi.c
===================================================================
--- linux-2.6.orig/drivers/scsi/scsi_transport_spi.c 2007-02-11
14:16:51.000000000 -0600
+++ linux-2.6/drivers/scsi/scsi_transport_spi.c 2007-02-12 15:20:59.000000000
-0600
@@ -787,6 +787,7 @@ spi_dv_device_internal(struct scsi_devic
struct scsi_target *starget = sdev->sdev_target;
struct Scsi_Host *shost = sdev->host;
int len = sdev->inquiry_len;
+
/* first set us up for narrow async */
DV_SET(offset, 0);
DV_SET(width, 0);
@@ -917,8 +918,25 @@ spi_dv_device(struct scsi_device *sdev)
if (unlikely(scsi_device_get(sdev)))
return;
- if (unlikely(spi_dv_in_progress(starget)))
+ if (unlikely(spi_dv_in_progress(starget))) {
+ /*
+ * If DV is already pending, just make sure the device
+ * has all the parameters set (in case this is the
+ * result of a reset during the in progress DV)
+ */
+ DV_SET(dt, spi_dt(starget));
+ DV_SET(iu, spi_iu(starget));
+ DV_SET(width, spi_width(starget));
+ DV_SET(offset, spi_offset(starget));
+ DV_SET(period, spi_period(starget));
+ DV_SET(qas, spi_qas(starget));
+ DV_SET(rd_strm, spi_rd_strm(starget));
+ DV_SET(wr_flow, spi_wr_flow(starget));
+ DV_SET(rti, spi_rti(starget));
+ DV_SET(pcomp_en, spi_pcomp_en(starget));
+ scsi_device_put(sdev);
return;
+ }
spi_dv_in_progress(starget) = 1;
buffer = kzalloc(len, GFP_KERNEL);
-
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