initio.h contains this structure that is passed to the hardware:
typedef struct Scsi_Ctrl_Blk {
struct Scsi_Ctrl_Blk *SCB_NxtScb;
UBYTE SCB_Status; /*4 */
UBYTE SCB_NxtStat; /*5 */
UBYTE SCB_Mode; /*6 */
UBYTE SCB_Msgin; /*7 SCB_Res0 */
...
Which is obviously not 64bit safe. It also doesn't seem to dma map this
structure at all.
Mark the driver as X86_32 only in Kconfig.
Signed-off-by: Andi Kleen <ak@xxxxxxx>
diff -u linux-2.6.22-dma/drivers/scsi/Kconfig-o linux-2.6.22-dma/drivers/scsi/Kconfig
--- linux-2.6.22-dma/drivers/scsi/Kconfig-o 2007-07-11 14:24:21.000000000 +0200
+++ linux-2.6.22-dma/drivers/scsi/Kconfig 2007-07-12 12:49:19.000000000 +0200
@@ -845,7 +845,8 @@
config SCSI_INITIO
tristate "Initio 9100U(W) support"
- depends on PCI && SCSI
+ # driver not 64bit safe and doesn't use pci dma API consistently
+ depends on PCI && SCSI && X86_32
help
This is support for the Initio 91XXU(W) SCSI host adapter. Please
read the SCSI-HOWTO, available from
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